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abstracting display, touch and sd

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Adolfo Reyna
2026-01-28 20:12:41 -05:00
parent 57426c6e7d
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.gitignore vendored
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@@ -1,2 +1,3 @@
build
!.vscode/*
build*

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# Agent Guide - Building and Compiling
This document provides the correct procedures for building this RP2350 project. Follow these instructions to avoid common pitfalls.
## Build System
This project uses:
- **CMake** for configuration
- **Ninja** as the build system (not Make)
- **Pico SDK 2.2.0** with the VS Code extension
## Initial Setup
The project must be configured with CMake using the **Ninja generator** before building:
```bash
cd /Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1
rm -rf build # Clean start
cmake -B build -G Ninja -DPICO_BOARD=adafruit_feather_rp2350
```
**IMPORTANT:** Always specify `-G Ninja` when running cmake. Without it, CMake generates Makefiles which won't work with the ninja command.
## Building
### Using Ninja Directly
After cmake configuration:
```bash
cd /Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/build
ninja
```
Or from project root:
```bash
cd /Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1
ninja -C build
```
### Using VS Code Task
The project has a "Compile Project" task that runs:
```bash
/Users/adolforeyna/.pico-sdk/ninja/v1.12.1/ninja -C /path/to/build
```
However, this task will fail if `build.ninja` doesn't exist. You must run cmake first.
### Quick Rebuild
If you only changed source files (not CMakeLists.txt):
```bash
cd build
ninja
```
If you changed CMakeLists.txt or added/removed files:
```bash
cd build
cmake -G Ninja ..
ninja
```
## Building for Different Boards
### Single Board
```bash
# Clean and configure for specific board
rm -rf build
cmake -B build -G Ninja -DPICO_BOARD=pico2
cd build && ninja
```
Available boards:
- `adafruit_feather_rp2350` (default)
- `pico2`
- `pico2_w`
### All Boards at Once
Use the provided script:
```bash
./build_all_boards.sh
```
This creates:
- `build_adafruit_feather_rp2350/basic1.uf2` → `basic1_adafruit_feather_rp2350.uf2`
- `build_pico2/basic1.uf2` → `basic1_pico2.uf2`
- `build_pico2_w/basic1.uf2` → `basic1_pico2_w.uf2`
## Verifying Build Success
### Check for Output Files
```bash
ls -lh build/basic1.{uf2,elf,bin}
```
Successful build produces:
- `basic1.uf2` - Flash file for bootloader (≈150KB)
- `basic1.elf` - Executable with debug symbols (≈1.1MB)
- `basic1.bin` - Raw binary (≈74KB)
- `basic1.hex` - Intel HEX format
- `basic1.dis` - Disassembly (≈877KB)
### Check File Timestamp
```bash
stat build/basic1.uf2
```
Verify the modification time is recent.
### Look for Ninja Success Message
Successful build ends with:
```
[90/90] Linking CXX executable basic1.elf
```
Failed build shows:
```
ninja: build stopped: subcommand failed.
```
## Common Issues and Solutions
### Issue: "ninja: error: loading 'build.ninja': No such file or directory"
**Cause:** CMake wasn't run or didn't generate Ninja files
**Solution:**
```bash
cd /Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1
cmake -B build -G Ninja -DPICO_BOARD=adafruit_feather_rp2350
```
### Issue: Build directory has Makefiles instead of build.ninja
**Cause:** CMake was run without `-G Ninja`
**Solution:**
```bash
rm -rf build
cmake -B build -G Ninja -DPICO_BOARD=adafruit_feather_rp2350
```
### Issue: Compilation errors after adding new files
**Cause:** CMakeLists.txt not updated or cmake not re-run
**Solution:**
1. Add new files to `CMakeLists.txt` in the `add_executable()` section
2. Re-run cmake:
```bash
cd build
cmake -G Ninja ..
ninja
```
### Issue: Changes not reflected in build
**Cause:** Stale build cache
**Solution:**
```bash
cd build
ninja clean
ninja
```
Or full rebuild:
```bash
rm -rf build
cmake -B build -G Ninja -DPICO_BOARD=adafruit_feather_rp2350
cd build && ninja
```
## Checking for Errors
### Compilation Errors
Look for errors in ninja output:
```
[12/90] Building CXX object CMakeFiles/basic1.dir/basic1.cpp.o
FAILED: CMakeFiles/basic1.dir/basic1.cpp.o
...
error: 'foo' was not declared in this scope
```
### Viewing Recent Build Output
```bash
cd build
ninja 2>&1 | tail -50 # Last 50 lines
```
### Viewing Full Build Output
```bash
cd build
ninja 2>&1 | tee build.log
```
## Build Output Location
```
build/
├── basic1.uf2 # Main flash file
├── basic1.elf # Executable with symbols
├── basic1.bin # Raw binary
├── basic1.hex # Intel HEX
├── basic1.dis # Disassembly
├── basic1.elf.map # Memory map
├── build.ninja # Ninja build file (must exist!)
├── CMakeCache.txt # CMake configuration
└── compile_commands.json # For IDE integration
```
## Integration with Tools
### VS Code Tasks
The project includes pre-configured tasks in `.vscode/tasks.json`:
- **Compile Project** - Runs ninja in build directory
These tasks expect `build/build.ninja` to exist.
### CMake Extension
If using CMake Tools extension:
1. Select kit: "Pico ARM GCC"
2. Configure with Ninja generator
3. Build target: "basic1"
## Quick Reference Commands
```bash
# Full clean build (default board)
rm -rf build && cmake -B build -G Ninja && ninja -C build
# Full clean build (specific board)
rm -rf build && cmake -B build -G Ninja -DPICO_BOARD=pico2 && ninja -C build
# Incremental build
ninja -C build
# Build all boards
./build_all_boards.sh
# Check build output
ls -lh build/basic1.uf2
# View compile commands
cat build/compile_commands.json | grep -A5 basic1.cpp
```
## Testing Build Success
After building, you can verify the binary contains expected symbols:
```bash
arm-none-eabi-nm build/basic1.elf | grep -i main
arm-none-eabi-size build/basic1.elf
```
## Important Notes
1. **Always use `-G Ninja`** when running cmake
2. **The build directory must be recreated** when switching boards
3. **ninja must be run from the build directory** or with `-C build`
4. **CMake must be re-run** after modifying CMakeLists.txt
5. **The Pico SDK path** is at `~/.pico-sdk/sdk/2.2.0`
6. **The toolchain** is at `~/.pico-sdk/toolchain/14_2_Rel1`
7. **Output files** are always in the `build/` directory (or board-specific build dirs)
## When Making Changes
| Change Type | Required Action |
|-------------|-----------------|
| Source code (.cpp, .c) | `ninja -C build` |
| Header files (.h) | `ninja -C build` |
| CMakeLists.txt | `cd build && cmake -G Ninja .. && ninja` |
| New board | `rm -rf build && cmake -B build -G Ninja -DPICO_BOARD=<board> && ninja -C build` |
| New files | Update CMakeLists.txt, then re-run cmake |
| board_config.h | `ninja -C build` |
## Flashing
After successful build:
1. **Manual:** Hold BOOTSEL, connect USB, copy `build/basic1.uf2` to mounted drive
2. **Script:** `./build_and_flash.sh` (requires openocd or picotool)
3. **VS Code:** Use "Run Project" or "Flash" tasks
## Serial Monitor
View serial output:
```bash
screen /dev/cu.usbmodem101
# Exit: Ctrl-A, then K, then Y
```
Or use VS Code's serial monitor extension.

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@@ -23,7 +23,11 @@ if (EXISTS ${picoVscode})
include(${picoVscode})
endif()
# ====================================================================================
set(PICO_BOARD adafruit_feather_rp2350 CACHE STRING "Board type")
# Default to Feather RP2350, but allow override via -DPICO_BOARD=<board>
if(NOT PICO_BOARD)
set(PICO_BOARD adafruit_feather_rp2350 CACHE STRING "Board type")
endif()
message(STATUS "Building for board: ${PICO_BOARD}")
# Pull in Raspberry Pi Pico SDK (must be before project)
include(pico_sdk_import.cmake)
@@ -37,16 +41,22 @@ pico_sdk_init()
add_executable(basic1
basic1.cpp
st7796.c
ft6336u.c
sd_card.c
low_level_render.cpp
low_level_gui.cpp
lib/st7796/st7796.c
lib/ft6336u/ft6336u.c
lib/sd_card/sd_card.c
display/low_level_render.cpp
display/low_level_gui.cpp
display/low_level_display_factory.cpp
display/low_level_display_st7796.cpp
display/low_level_display_st7789.cpp
display/low_level_display_epaper.cpp
display/low_level_touch_factory.cpp
display/low_level_touch_ft6336u.cpp
diskio_sdcard.c
fatfs_time.c
fatfs/source/ff.c
fatfs/source/ffsystem.c
fatfs/source/ffunicode.c
lib/fatfs/source/ff.c
lib/fatfs/source/ffsystem.c
lib/fatfs/source/ffunicode.c
)
pico_set_program_name(basic1 "basic1")
@@ -62,8 +72,12 @@ target_link_libraries(basic1
# Add the standard include files to the build
target_include_directories(basic1 PRIVATE
${CMAKE_CURRENT_LIST_DIR}
${CMAKE_CURRENT_LIST_DIR}/fatfs/source
${CMAKE_CURRENT_LIST_DIR}
${CMAKE_CURRENT_LIST_DIR}/lib/fatfs/source
${CMAKE_CURRENT_LIST_DIR}/lib/st7796
${CMAKE_CURRENT_LIST_DIR}/lib/ft6336u
${CMAKE_CURRENT_LIST_DIR}/lib/sd_card
${CMAKE_CURRENT_LIST_DIR}/display
)
# Add any user requested libraries
@@ -71,7 +85,7 @@ target_link_libraries(basic1
hardware_spi
hardware_i2c
m
)
)
pico_add_extra_outputs(basic1)

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@@ -0,0 +1,357 @@
# RP2350 TFT Display with Touch and SD Card Demo
A modular embedded application for RP2350 microcontrollers featuring display, touch, and SD card support with hardware abstraction layers.
## Features
- **Display Abstraction Layer** - Support for multiple display types (ST7796, ST7789, E-Paper)
- **Touch Abstraction Layer** - Extensible touch controller support (FT6336U)
- **SD Card with FatFS** - File system support with board-aware initialization
- **Multi-Board Support** - Automatic pin configuration for different RP2350 boards
- **1-bit Rendering** - Memory-efficient monochrome graphics with GUI widgets
- **Board Configuration** - Single configuration file for all hardware settings
## Supported Hardware
### Boards
1. **Adafruit Feather RP2350** (default)
2. **Raspberry Pi Pico 2**
3. **Raspberry Pi Pico 2 W**
### Displays
- ST7796 (480x320 TFT LCD) - Fully implemented
- ST7789 - Ready for driver implementation
- E-Paper - Ready for driver implementation
### Touch Controllers
- FT6336U (I2C capacitive touch) - Fully implemented
- Extensible for additional controllers
### Storage
- SD Card via SPI with FatFS file system
## Quick Start
### Building for Default Board (Feather RP2350)
```bash
mkdir -p build
cd build
cmake -G Ninja ..
ninja
```
### Building for Specific Board
```bash
cmake -G Ninja -DPICO_BOARD=pico2 ..
ninja
```
Available boards: `adafruit_feather_rp2350`, `pico2`, `pico2_w`
### Building for All Boards
```bash
./build_all_boards.sh
```
Generates:
- `basic1_adafruit_feather_rp2350.uf2`
- `basic1_pico2.uf2`
- `basic1_pico2_w.uf2`
### Flashing
1. Hold BOOTSEL button while connecting USB
2. Copy the `.uf2` file to the mounted drive
3. Device will automatically reboot and run
Or use the flash script:
```bash
./build_and_flash.sh
```
## Project Structure
```
basic1/
├── basic1.cpp # Main application
├── board_config.h # Board-specific pin configuration
├── CMakeLists.txt # Build configuration
├── build_all_boards.sh # Multi-board build script
├── build_and_flash.sh # Build and flash helper
│
├── display/ # Display and GUI abstraction
│ ├── low_level_display.h # Display interface
│ ├── low_level_display_*.cpp # Display implementations
│ ├── low_level_touch.h # Touch interface
│ ├── low_level_touch_*.cpp # Touch implementations
│ ├── low_level_render.h/cpp # 1-bit rendering engine
│ └── low_level_gui.h/cpp # GUI widgets
│
├── lib/ # Hardware drivers
│ ├── ft6336u/ # FT6336U touch driver
│ ├── st7796/ # ST7796 display driver
│ ├── sd_card/ # SD card driver with FatFS test
│ └── fatfs/ # FatFS filesystem
│
├── fonts/ # Bitmap font definitions
└── fatfs_time.c # FatFS timestamp (uses compile time)
```
## Configuration
### Board Configuration (`board_config.h`)
All hardware settings are defined per board:
```c
// Display configuration
#define DISPLAY_WIDTH 480
#define DISPLAY_HEIGHT 320
#define DISPLAY_TYPE_SELECTED 0 // DISPLAY_TYPE_ST7796
// Touch configuration
#define TOUCH_TYPE_SELECTED 0 // TOUCH_TYPE_FT6336U
#define TOUCH_SWAP_XY true
#define TOUCH_INVERT_X true
#define TOUCH_INVERT_Y false
// SPI pins for display
#define DISPLAY_SPI_PORT spi1
#define DISPLAY_SCK_PIN 18
#define DISPLAY_MOSI_PIN 19
#define DISPLAY_MISO_PIN 20
#define DISPLAY_CS_PIN 17
// ... more pins
```
### Changing Display Type
Modify `DISPLAY_TYPE_SELECTED` in `board_config.h`:
- `0` = ST7796 (480x320 TFT)
- `1` = ST7789
- `2` = E-Paper
### Changing Touch Type
Modify `TOUCH_TYPE_SELECTED` in `board_config.h`:
- `0` = FT6336U
- `1` = None (disable touch)
### Touch Coordinate Transformation
Adjust orientation in `board_config.h`:
```c
#define TOUCH_SWAP_XY true // Swap X/Y coordinates
#define TOUCH_INVERT_X true // Invert X axis
#define TOUCH_INVERT_Y false // Invert Y axis
```
## Architecture
### Display Abstraction Layer
Provides a unified interface for different display types:
```cpp
class LowLevelDisplay {
public:
virtual bool init() = 0;
virtual void clear(bool white = true) = 0;
virtual void draw_buffer(const uint8_t* bit_buffer) = 0;
virtual void refresh() = 0;
// ... more methods
static LowLevelDisplay* create(DisplayType type, int width, int height);
};
```
Usage:
```cpp
LowLevelDisplay* display = LowLevelDisplay::create(
(DisplayType)DISPLAY_TYPE_SELECTED, V_WIDTH, V_HEIGHT);
display->init();
display->draw_buffer(buffer);
display->refresh();
```
### Touch Abstraction Layer
Unified interface for touch controllers:
```cpp
class LowLevelTouch {
public:
virtual bool init() = 0;
virtual bool read_touch(TouchData* data) = 0;
virtual bool is_touched() = 0;
// ... more methods
static LowLevelTouch* create(TouchType type, int width, int height,
bool swap_xy, bool invert_x, bool invert_y);
};
```
Usage:
```cpp
LowLevelTouch* touch = LowLevelTouch::create(
(TouchType)TOUCH_TYPE_SELECTED, V_WIDTH, V_HEIGHT,
TOUCH_SWAP_XY, TOUCH_INVERT_X, TOUCH_INVERT_Y);
TouchData touch_data;
if (touch->read_touch(&touch_data)) {
int x = touch_data.points[0].x;
int y = touch_data.points[0].y;
// Handle touch
}
```
### SD Card Abstraction
Board-aware initialization:
```cpp
// Initialize with board configuration
if (sd_card_init_with_board_config()) {
// Test FatFS functionality
sd_card_test_fatfs();
}
```
The test function:
- Mounts FatFS
- Lists directory contents
- Creates and reads test file
- Safely unmounts filesystem
## Pin Configurations
### Adafruit Feather RP2350
- **Display (SPI1):** SCK=18, MOSI=19, MISO=20, CS=17, DC=16, RST=15, BL=14
- **Touch (I2C0):** SDA=4, SCL=5, INT=6, RST=7
- **SD Card (SPI1):** CS=10 (shares SPI with display)
### Raspberry Pi Pico 2 / Pico 2 W
- **Display (SPI0):** SCK=2, MOSI=3, MISO=4, CS=5, DC=6, RST=7, BL=8
- **Touch (I2C0):** SDA=12, SCL=13, INT=14, RST=15
- **SD Card (SPI1):** CS=17
## Adding New Hardware
### Adding a New Display Driver
1. Create implementation files:
```cpp
display/low_level_display_mydriver.h
display/low_level_display_mydriver.cpp
```
2. Implement the `LowLevelDisplay` interface
3. Add to factory in `low_level_display_factory.cpp`:
```cpp
case DISPLAY_TYPE_MYDRIVER:
display = new LowLevelDisplayMyDriver(width, height);
break;
```
4. Update `CMakeLists.txt` to include new files
### Adding a New Touch Controller
1. Create implementation files:
```cpp
display/low_level_touch_mydriver.h
display/low_level_touch_mydriver.cpp
```
2. Implement the `LowLevelTouch` interface
3. Add to factory in `low_level_touch_factory.cpp`
4. Update `CMakeLists.txt`
### Adding a New Board
Edit `board_config.h`:
```c
#elif defined(PICO_BOARD_MY_CUSTOM_BOARD)
#define BOARD_NAME "My Custom Board"
// Display configuration
#define DISPLAY_WIDTH 480
#define DISPLAY_HEIGHT 320
#define DISPLAY_TYPE_SELECTED 0
// Touch configuration
#define TOUCH_TYPE_SELECTED 0
// ... define all pins
#endif
```
## Memory Usage
- **1-bit framebuffer:** 480×320÷8 = 19.2 KB
- **Display conversion:** Automatic 1-bit → RGB565/monochrome
- **Stack/heap:** Minimal, uses static buffers where possible
## Known Issues & Troubleshooting
### Touch Not Working
- **I2C Communication Failure:** Check wiring, pull-up resistors, I2C address
- **Wrong Coordinates:** Adjust `TOUCH_SWAP_XY`, `TOUCH_INVERT_X/Y` settings
### SD Card Not Detected
- **CMD0 Returns 0x00:** Check card insertion, CS pin, SPI wiring
- **Mount Fails:** Ensure card is formatted as FAT/FAT32
### Display Shows Nothing
- Check SPI wiring and CS/DC/RST pins
- Verify backlight is connected and enabled
- Check voltage levels (3.3V logic)
## Features by Component
### Display Features
- 1-bit monochrome rendering
- RGB565 color support (ST7796)
- Drawing primitives (lines, rectangles, circles)
- GUI widgets (windows, gauges, status bars)
- Multiple font support
### Touch Features
- Multi-touch support (up to 2 points)
- Coordinate transformation
- Touch debouncing
- Event types (press, lift, contact)
### SD Card Features
- SPI mode support
- FatFS integration
- Directory listing
- File read/write
- Automatic timestamps from compile time
## License
Copyright (c) 2021 Arm Limited and Contributors. All rights reserved.
SPDX-License-Identifier: Apache-2.0
## Dependencies
- Raspberry Pi Pico SDK 2.2.0+
- FatFS (included)
- TinyUSB (via SDK)
- Hardware drivers (included in `lib/`)
## Contributing
When adding new features:
1. Follow the abstraction layer pattern
2. Update `board_config.h` for hardware settings
3. Keep application code hardware-agnostic
4. Test on multiple boards if possible
5. Update this README

312
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@@ -8,17 +8,15 @@
#include "pico/stdlib.h"
#include "pico/binary_info.h"
#include "st7796.h"
#include "ft6336u.h"
#include "board_config.h" // Board-specific pin configuration
#include "sd_card.h"
#include "hardware/spi.h"
#include "hardware/i2c.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "low_level_render.h"
#include "low_level_gui.h"
#include "ff.h" // FatFS
#include "display/low_level_render.h"
#include "display/low_level_gui.h"
#include "display/low_level_display.h"
#include "display/low_level_touch.h"
// Binary info for RP2350 - ensures proper boot image structure
@@ -26,69 +24,9 @@ bi_decl(bi_program_description("4.0\" TFT ST7796 with Touch and SD Card Demo"));
bi_decl(bi_program_version_string("0.1"));
bi_decl(bi_program_build_date_string(__DATE__));
const int V_WIDTH = 480;
const int V_HEIGHT = 320;
// Feather RP2350 with 4.0" TFT (480x320) ST7796 configuration
const struct st7796_config lcd_config = {
.spi = spi1,
.gpio_din = 11, // MOSI (D11)
.gpio_clk = 10, // SCK (D10)
.gpio_cs = 7, // CS (D13)
.gpio_dc = 4, // DC (D4)
.gpio_rst = 9, // RST (D9)
.gpio_bl = 6, // Backlight (D6)
};
// Touch screen configuration (adjust pins based on your wiring)
// Feather RP2350 I2C pin options:
// - I2C0: SDA can be GPIO0,4,8,12,16,20,24,28 / SCL can be GPIO1,5,9,13,17,21,25,29
// - I2C1: SDA can be GPIO2,6,10,14,18,22,26 / SCL can be GPIO3,7,11,15,19,23,27
// Note: GPIO2/3 are the Feather's default I2C pins (STEMMA QT connector)
// Using I2C1 to match GPIO2/3 pins
//
// Coordinate transformation options - adjust based on your screen orientation:
// Try different combinations if touch doesn't align:
// swap_xy=false, invert_x=false, invert_y=false (default)
// swap_xy=true, invert_x=false, invert_y=false (90° rotation)
// swap_xy=false, invert_x=true, invert_y=true (180° rotation)
// swap_xy=true, invert_x=true, invert_y=true (270° rotation)
const ft6336u_config_t touch_config = {
.i2c = i2c1, // Changed to i2c1 to match GPIO2/3
.gpio_sda = 2, // SDA (Feather I2C default, valid for I2C1)
.gpio_scl = 3, // SCL (Feather I2C default, valid for I2C1)
.gpio_rst = 28, // Touch RST (can use any free GPIO)
.gpio_int = 25, // Touch INT (can use any free GPIO)
.screen_width = V_WIDTH,
.screen_height = V_HEIGHT,
.swap_xy = true, // Try this first for landscape mode
.invert_x = true, // Adjust if X is backwards
.invert_y = false // Adjust if Y is backwards
};
// SD Card configuration (shares SPI with display)
const sd_card_config_t sd_config = {
.spi = spi1, // Same SPI as display
.gpio_cs = 5, // SD CS (adjust to your setup)
.gpio_miso = 24, // MISO (adjust to your setup)
.gpio_mosi = 11, // Same as display MOSI
.gpio_sck = 10 // Same as display SCK
};
const int lcd_width = V_WIDTH;
const int lcd_height = V_HEIGHT;
// RGB565 color definitions
#define COLOR_BLACK 0x0000
#define COLOR_WHITE 0xFFFF
#define COLOR_RED 0xF800
#define COLOR_GREEN 0x07E0
#define COLOR_BLUE 0x001F
#define COLOR_YELLOW 0xFFE0
#define COLOR_CYAN 0x07FF
#define COLOR_MAGENTA 0xF81F
#define COLOR_ORANGE 0xFC00
#define COLOR_PURPLE 0x8010
// Screen dimensions and configuration from board_config.h
const int V_WIDTH = DISPLAY_WIDTH;
const int V_HEIGHT = DISPLAY_HEIGHT;
// Touch indicator settings
#define TOUCH_RADIUS 10
@@ -96,162 +34,20 @@ const int lcd_height = V_HEIGHT;
uint8_t bit_buffer[V_WIDTH * V_HEIGHT / 8];
/**
* @brief Convert 1-bit buffer to RGB565 and refresh the screen
* @brief Refresh the screen with the 1-bit buffer
*
* Efficiently updates the entire display by:
* 1. Converting the 1-bit buffer to RGB565 format
* 2. Sending the entire frame in one bulk write operation
* Displays work directly with 1-bit monochrome buffers.
* The display driver internally converts to its native format (RGB565, etc.)
*
* @param buffer Pointer to 1-bit framebuffer (width*height/8 bytes)
* @param display Pointer to display abstraction layer
*/
void refresh_screen(const uint8_t *buffer) {
// Allocate RGB565 buffer (2 bytes per pixel)
uint16_t *rgb_buffer = (uint16_t *)malloc(V_WIDTH * V_HEIGHT * sizeof(uint16_t));
if (!rgb_buffer) {
printf("Error: Failed to allocate RGB buffer for screen refresh\n");
return;
}
// Convert bit buffer to RGB565
for (int y = 0; y < V_HEIGHT; y++) {
for (int x = 0; x < V_WIDTH; x++) {
int byte_index = (y * V_WIDTH + x) / 8;
int bit_index = 7 - (x % 8);
bool pixel_on = (buffer[byte_index] >> bit_index) & 0x01;
rgb_buffer[y * V_WIDTH + x] = pixel_on ? COLOR_WHITE : COLOR_BLACK;
}
}
// Draw entire buffer at once - MUCH faster than pixel-by-pixel!
st7796_set_cursor(0, 0);
st7796_write(rgb_buffer, V_WIDTH * V_HEIGHT);
free(rgb_buffer);
void refresh_screen(const uint8_t *buffer, LowLevelDisplay* display) {
display->draw_buffer(buffer);
display->refresh();
}
/**
* @brief Test SD card and FatFS functionality
*
* Initializes SD card, mounts FatFS, performs read/write tests,
* and safely unmounts the filesystem.
*/
void test_sd_card_and_fatfs(void) {
// Initialize SD card
bool sd_ok = sd_card_init(&sd_config);
if (!sd_ok) {
printf("SD Card initialization failed or no card present\n");
return;
}
sd_card_info_t sd_info;
sd_card_get_info(&sd_info);
printf("SD Card initialized: Type=%d\n", sd_info.type);
// Try to read first block
uint8_t buffer[512];
if (sd_card_read_block(0, buffer)) {
printf("Read block 0: ");
for (int i = 0; i < 16; i++) {
printf("%02X ", buffer[i]);
}
printf("\n");
}
// Test FatFS filesystem
printf("\n=== FatFS Test ===\n");
FATFS fs;
FRESULT res = f_mount(&fs, "0:", 1); // Mount drive 0
if (res != FR_OK) {
printf("✗ FatFS mount failed (error: %d)\n", res);
printf(" Make sure SD card is formatted as FAT/FAT32\n");
printf("==================\n\n");
return;
}
printf("✓ FatFS mounted successfully\n");
// Get volume information
DWORD fre_clust, fre_sect, tot_sect;
FATFS *fs_ptr;
res = f_getfree("0:", &fre_clust, &fs_ptr);
if (res == FR_OK) {
tot_sect = (fs_ptr->n_fatent - 2) * fs_ptr->csize;
fre_sect = fre_clust * fs_ptr->csize;
printf(" Total: %lu KB, Free: %lu KB\n",
tot_sect / 2, fre_sect / 2);
}
// List root directory
printf("\nRoot directory contents:\n");
DIR dir;
FILINFO fno;
res = f_opendir(&dir, "/");
if (res == FR_OK) {
int file_count = 0;
while (1) {
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0) break;
printf(" %s %s (%lu bytes)\n",
(fno.fattrib & AM_DIR) ? "[DIR]" : "[FILE]",
fno.fname, fno.fsize);
file_count++;
if (file_count >= 10) {
printf(" ... (showing first 10 entries)\n");
break;
}
}
f_closedir(&dir);
if (file_count == 0) {
printf(" (empty)\n");
}
}
// Test file write
printf("\nTesting file write...\n");
FIL fil;
res = f_open(&fil, "test.txt", FA_CREATE_ALWAYS | FA_WRITE);
if (res == FR_OK) {
const char *test_str = "Hello from RP2350 with FatFS!\n";
UINT bytes_written;
res = f_write(&fil, test_str, strlen(test_str), &bytes_written);
f_close(&fil);
if (res == FR_OK) {
printf("✓ Wrote %u bytes to test.txt\n", bytes_written);
// Read it back
res = f_open(&fil, "test.txt", FA_READ);
if (res == FR_OK) {
char read_buffer[64];
UINT bytes_read;
res = f_read(&fil, read_buffer, sizeof(read_buffer)-1, &bytes_read);
f_close(&fil);
if (res == FR_OK) {
read_buffer[bytes_read] = '\0';
printf("✓ Read back: %s", read_buffer);
}
}
}
} else {
printf("✗ Failed to create test.txt (error: %d)\n", res);
}
// Safely unmount filesystem
printf("\nUnmounting filesystem...\n");
res = f_unmount("0:");
if (res == FR_OK) {
printf("✓ Filesystem unmounted successfully\n");
} else {
printf("✗ Unmount failed (error: %d)\n", res);
}
printf("==================\n\n");
}
int main()
@@ -261,11 +57,27 @@ int main()
stdio_init_all();
sleep_ms(5000); // Wait for USB connection (if present)
printf("\n=== %s Demo ===\n", BOARD_NAME);
// Create display abstraction using factory method
// The factory handles all board-specific configuration internally
LowLevelDisplay* display = LowLevelDisplay::create((DisplayType)DISPLAY_TYPE_SELECTED, V_WIDTH, V_HEIGHT);
if (!display) {
printf("Failed to create display!\n");
return -1;
}
printf("Initializing 4.0\" TFT with Touch and SD Card...\n");
// Initialize the LCD
st7796_init(&lcd_config, lcd_width, lcd_height);
st7796_fill(COLOR_BLACK);
// Initialize the display
if (!display->init()) {
printf("Display initialization failed!\n");
delete display;
return -1;
}
display->clear(false); // Clear to black
LowLevelRenderer renderer(bit_buffer, V_WIDTH, V_HEIGHT);
renderer.set_font(&font_5x5_obj);
@@ -276,31 +88,32 @@ int main()
gui.draw_circular_gauge(w1, 10, 100 - 10, 200, "SYSTEM EFF.", 68);
// Refresh the screen with the rendered GUI
refresh_screen(bit_buffer);
refresh_screen(bit_buffer, display);
// Initialize touch screen
bool touch_ok = ft6336u_init(&touch_config);
if (touch_ok) {
uint8_t chip_id = ft6336u_get_chip_id();
uint8_t fw_ver = ft6336u_get_firmware_version();
printf("Touch initialized: Chip ID=0x%02X, FW Ver=0x%02X\n", chip_id, fw_ver);
// Initialize touch screen using abstraction
LowLevelTouch* touch = LowLevelTouch::create((TouchType)TOUCH_TYPE_SELECTED, V_WIDTH, V_HEIGHT,
TOUCH_SWAP_XY, TOUCH_INVERT_X, TOUCH_INVERT_Y);
if (touch) {
printf("Touch initialized successfully\n");
// Run I2C communication test
printf("\nRunning I2C reliability test...\n");
ft6336u_test_i2c();
// Run communication test if available
printf("\nRunning touch reliability test...\n");
touch->test_communication();
printf("\n");
} else {
printf("Touch initialization failed!\n");
printf("Touch initialization failed or not configured\n");
}
// Test SD card and FatFS
test_sd_card_and_fatfs();
if (sd_card_init_with_board_config()) {
sd_card_test_fatfs();
} else {
printf("SD Card initialization failed or no card present\n");
}
// Main loop - handle touch events
int last_x = -1, last_y = -1;
uint16_t current_color = COLOR_CYAN;
int color_index = 0;
uint16_t colors[] = {COLOR_CYAN, COLOR_YELLOW, COLOR_MAGENTA, COLOR_GREEN, COLOR_RED};
// Touch debouncing
uint32_t last_touch_time = 0;
@@ -320,13 +133,13 @@ int main()
continue;
}
bool is_touched = touch_ok && ft6336u_is_touched();
bool is_touched = touch && touch->is_touched();
// Only process touch if state changed or still touching
if (is_touched) {
ft6336u_touch_data_t touch_data;
TouchData touch_data;
if (ft6336u_read_touch(&touch_data)) {
if (touch->read_touch(&touch_data)) {
touch_success_count++;
if (touch_data.touch_count > 0) {
@@ -340,18 +153,16 @@ int main()
touch_success_count, touch_fail_count);
//}
// Check if touch is in title area to change color
// Check if touch is in title area to clear screen
if (y < 30) {
if (!was_touched) { // Only on new touch
color_index = (color_index + 1) % 5;
current_color = colors[color_index];
// Clear drawing area
st7796_fill_rect(11, 130, lcd_width - 11, lcd_height - 11, COLOR_BLACK);
printf("Color changed to index %d\n", color_index);
// Clear drawing area in bit buffer
renderer.draw_filled_rectangle(11, 130, V_WIDTH - 11 - 11, V_HEIGHT - 11 - 130, false, 1);
refresh_screen(bit_buffer, display);
printf("Drawing area cleared\n");
}
}
// Draw in touch area
// Draw in touch area (white line)
else if (y > 100) {
// Draw line from last position (for smooth drawing)
@@ -360,7 +171,8 @@ int main()
int dy = abs(y - last_y);
// Only draw line if movement is reasonable (filter noise)
if (dx < 50 && dy < 50) {
st7796_draw_line(last_x, last_y, x, y, current_color);
renderer.draw_line(last_x, last_y, x, y, true);
refresh_screen(bit_buffer, display);
}
}

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126
board_config.h Normal file
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@@ -0,0 +1,126 @@
#ifndef BOARD_CONFIG_H
#define BOARD_CONFIG_H
#include "pico/stdlib.h"
// Forward declare display and touch types (actual enums in respective headers)
// Display options: DISPLAY_TYPE_ST7796, DISPLAY_TYPE_ST7789, DISPLAY_TYPE_EPAPER
// Touch options: TOUCH_TYPE_FT6336U, TOUCH_TYPE_NONE
// Board-specific pin definitions and configurations
#if defined(PICO_BOARD_ADAFRUIT_FEATHER_RP2350)
// Adafruit Feather RP2350 pinout
#define BOARD_NAME "Adafruit Feather RP2350"
// Display configuration
#define DISPLAY_WIDTH 480
#define DISPLAY_HEIGHT 320
#define DISPLAY_TYPE_SELECTED 0 // DISPLAY_TYPE_ST7796
// Touch configuration
#define TOUCH_TYPE_SELECTED 0 // TOUCH_TYPE_FT6336U
#define TOUCH_SWAP_XY true
#define TOUCH_INVERT_X true
#define TOUCH_INVERT_Y false
// SPI pins for display
#define DISPLAY_SPI_PORT spi1
#define DISPLAY_SCK_PIN 18
#define DISPLAY_MOSI_PIN 19
#define DISPLAY_MISO_PIN 20
#define DISPLAY_CS_PIN 17
#define DISPLAY_DC_PIN 16
#define DISPLAY_RST_PIN 15
#define DISPLAY_BL_PIN 14
#define DISPLAY_BUSY_PIN 13 // For e-paper displays
// I2C pins for touch
#define TOUCH_I2C_PORT i2c0
#define TOUCH_SDA_PIN 4
#define TOUCH_SCL_PIN 5
#define TOUCH_INT_PIN 6
#define TOUCH_RST_PIN 7
// SD card pins (shared SPI with display)
#define SD_SPI_PORT spi1
#define SD_CS_PIN 10
#elif defined(PICO_BOARD) && (PICO_BOARD == pico2 || PICO_BOARD == pico2_w)
// Raspberry Pi Pico 2 / Pico 2 W pinout
#define BOARD_NAME "Raspberry Pi Pico 2"
// Display configuration
#define DISPLAY_WIDTH 480
#define DISPLAY_HEIGHT 320
#define DISPLAY_TYPE_SELECTED 0 // DISPLAY_TYPE_ST7796
// Touch configuration
#define TOUCH_TYPE_SELECTED 0 // TOUCH_TYPE_FT6336U
#define TOUCH_SWAP_XY true
#define TOUCH_INVERT_X true
#define TOUCH_INVERT_Y false
// SPI pins for display (using SPI0)
#define DISPLAY_SPI_PORT spi0
#define DISPLAY_SCK_PIN 2 // GP2
#define DISPLAY_MOSI_PIN 3 // GP3
#define DISPLAY_MISO_PIN 4 // GP4
#define DISPLAY_CS_PIN 5 // GP5
#define DISPLAY_DC_PIN 6 // GP6
#define DISPLAY_RST_PIN 7 // GP7
#define DISPLAY_BL_PIN 8 // GP8
#define DISPLAY_BUSY_PIN 9 // GP9 - For e-paper displays
// I2C pins for touch (using I2C0)
#define TOUCH_I2C_PORT i2c0
#define TOUCH_SDA_PIN 12 // GP12
#define TOUCH_SCL_PIN 13 // GP13
#define TOUCH_INT_PIN 14 // GP14
#define TOUCH_RST_PIN 15 // GP15
// SD card pins (separate SPI1)
#define SD_SPI_PORT spi1
#define SD_CS_PIN 17 // GP17
#else
#warning "Unknown board! Using default Pico 2 pinout"
#define BOARD_NAME "Unknown Board (Pico 2 defaults)"
// Display configuration
#define DISPLAY_WIDTH 480
#define DISPLAY_HEIGHT 320
#define DISPLAY_TYPE_SELECTED 0 // DISPLAY_TYPE_ST7796
// Touch configuration
#define TOUCH_TYPE_SELECTED 0 // TOUCH_TYPE_FT6336U
#define TOUCH_SWAP_XY true
#define TOUCH_INVERT_X true
#define TOUCH_INVERT_Y false
// Default to Pico 2 pinout
#define DISPLAY_SPI_PORT spi0
#define DISPLAY_SCK_PIN 2
#define DISPLAY_MOSI_PIN 3
#define DISPLAY_MISO_PIN 4
#define DISPLAY_CS_PIN 5
#define DISPLAY_DC_PIN 6
#define DISPLAY_RST_PIN 7
#define DISPLAY_BL_PIN 8
#define DISPLAY_BUSY_PIN 9 // For e-paper displays
#define TOUCH_I2C_PORT i2c0
#define TOUCH_SDA_PIN 12
#define TOUCH_SCL_PIN 13
#define TOUCH_INT_PIN 14
#define TOUCH_RST_PIN 15
#define SD_SPI_PORT spi1
#define SD_CS_PIN 17
#endif
// Common configuration
#define SPI_BAUDRATE (32 * 1000 * 1000) // 32 MHz for display
#define I2C_BAUDRATE (400 * 1000) // 400 kHz for touch
#endif // BOARD_CONFIG_H

4
diskio_sdcard.c
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@@ -2,8 +2,8 @@
/* Low level disk I/O module for FatFs with SD card support */
/*-----------------------------------------------------------------------*/
#include "fatfs/source/ff.h"
#include "fatfs/source/diskio.h"
#include "ff.h"
#include "diskio.h"
#include "sd_card.h"
#include <string.h>

42
display/low_level_display.h Normal file
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@@ -0,0 +1,42 @@
#ifndef LOW_LEVEL_DISPLAY_H
#define LOW_LEVEL_DISPLAY_H
#include <stdint.h>
#include <stdbool.h>
// Display type enumeration
typedef enum {
DISPLAY_TYPE_ST7796,
DISPLAY_TYPE_ST7789,
DISPLAY_TYPE_EPAPER
} DisplayType;
// Abstract display interface
class LowLevelDisplay {
public:
virtual ~LowLevelDisplay() {}
// Core display operations - all work with 1-bit monochrome buffers
virtual bool init() = 0;
virtual void clear(bool white = true) = 0; // Clear to white or black
virtual void draw_pixel(int x, int y, bool white) = 0;
virtual void draw_buffer(const uint8_t* bit_buffer) = 0; // 1-bit buffer (width*height/8 bytes)
virtual void refresh() = 0; // Update display (converts 1-bit to native format)
// Display properties
virtual int get_width() const = 0;
virtual int get_height() const = 0;
virtual DisplayType get_type() const = 0;
virtual bool is_color() const = 0;
// Optional: Backlight control (if supported)
virtual void set_backlight(bool on) { (void)on; }
// Optional: Orientation control (not commonly needed for bitmap displays)
virtual void set_rotation(uint8_t rotation) { (void)rotation; }
// Factory method - creates display based on type, using board_config.h for pins
static LowLevelDisplay* create(DisplayType type, int width, int height);
};
#endif // LOW_LEVEL_DISPLAY_H

97
display/low_level_display_epaper.cpp Normal file
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@@ -0,0 +1,97 @@
#include "low_level_display_epaper.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// Note: This is a placeholder implementation
// You'll need to add the actual e-paper driver code to lib/epaper/
LowLevelDisplayEPaper::LowLevelDisplayEPaper(const epaper_config* cfg, int w, int h)
: config(cfg), width(w), height(h), initialized(false), framebuffer(nullptr), dirty(false) {
// Allocate framebuffer (1 bit per pixel for monochrome e-paper)
int buffer_size = (width * height + 7) / 8; // Round up to nearest byte
framebuffer = (uint8_t*)malloc(buffer_size);
if (framebuffer) {
memset(framebuffer, 0xFF, buffer_size); // White
}
}
LowLevelDisplayEPaper::~LowLevelDisplayEPaper() {
if (framebuffer) {
free(framebuffer);
}
}
bool LowLevelDisplayEPaper::init() {
if (initialized) {
return true;
}
if (!framebuffer) {
printf("Failed to allocate framebuffer for e-paper display\n");
return false;
}
// TODO: Implement e-paper initialization
// epaper_init(config, width, height);
printf("E-paper display initialized: %dx%d (stub)\n", width, height);
initialized = true;
return false; // Return false until actual driver is implemented
}
void LowLevelDisplayEPaper::clear(bool white) {
if (!framebuffer) return;
int buffer_size = (width * height + 7) / 8;
memset(framebuffer, white ? 0xFF : 0x00, buffer_size);
dirty = true;
}
void LowLevelDisplayEPaper::draw_pixel(int x, int y, bool white) {
if (!framebuffer || x < 0 || x >= width || y < 0 || y >= height) {
return;
}
int byte_index = (y * width + x) / 8;
int bit_index = 7 - ((y * width + x) % 8);
if (white) {
framebuffer[byte_index] |= (1 << bit_index);
} else {
framebuffer[byte_index] &= ~(1 << bit_index);
}
dirty = true;
}
void LowLevelDisplayEPaper::draw_buffer(const uint8_t* bit_buffer) {
if (!bit_buffer || !framebuffer) return;
// Direct copy of 1-bit buffer
int buffer_size = (width * height + 7) / 8;
memcpy(framebuffer, bit_buffer, buffer_size);
dirty = true;
}
void LowLevelDisplayEPaper::refresh() {
if (!dirty || !framebuffer) {
return;
}
// TODO: Implement actual e-paper refresh
// epaper_update(framebuffer);
printf("E-paper refresh (stub)\n");
dirty = false;
}
void LowLevelDisplayEPaper::clear_display() {
clear(true); // Fill with white
refresh();
}
void LowLevelDisplayEPaper::sleep() {
// TODO: Implement e-paper sleep mode
// epaper_sleep();
}

48
display/low_level_display_epaper.h Normal file
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@@ -0,0 +1,48 @@
#ifndef LOW_LEVEL_DISPLAY_EPAPER_H
#define LOW_LEVEL_DISPLAY_EPAPER_H
#include "low_level_display.h"
// E-paper display configuration structure
struct epaper_config {
void* spi; // SPI instance
int gpio_din; // MOSI pin
int gpio_clk; // Clock pin
int gpio_cs; // Chip select pin
int gpio_dc; // Data/Command pin
int gpio_rst; // Reset pin
int gpio_busy; // Busy pin
};
class LowLevelDisplayEPaper : public LowLevelDisplay {
private:
const epaper_config* config;
int width;
int height;
bool initialized;
uint8_t* framebuffer; // E-paper needs a framebuffer
bool dirty; // Track if display needs refresh
public:
LowLevelDisplayEPaper(const epaper_config* cfg, int w, int h);
~LowLevelDisplayEPaper() override;
// Core display operations - native 1-bit monochrome
bool init() override;
void clear(bool white = true) override;
void draw_pixel(int x, int y, bool white) override;
void draw_buffer(const uint8_t* bit_buffer) override;
void refresh() override; // Actually update the e-paper display
// Display properties
int get_width() const override { return width; }
int get_height() const override { return height; }
DisplayType get_type() const override { return DISPLAY_TYPE_EPAPER; }
bool is_color() const override { return false; } // Most e-paper is monochrome
// E-paper specific
void clear_display();
void sleep(); // Put display in low power mode
};
#endif // LOW_LEVEL_DISPLAY_EPAPER_H

62
display/low_level_display_factory.cpp Normal file
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@@ -0,0 +1,62 @@
#include "low_level_display.h"
#include "board_config.h"
#include <stdio.h>
// Include display implementations based on what's available
#include "low_level_display_st7796.h"
#include "low_level_display_st7789.h"
#include "low_level_display_epaper.h"
// Factory method - creates display with board-specific configuration
LowLevelDisplay* LowLevelDisplay::create(DisplayType type, int width, int height) {
switch (type) {
case DISPLAY_TYPE_ST7796: {
// Create ST7796 configuration from board_config.h
static const st7796_config lcd_config = {
.spi = DISPLAY_SPI_PORT,
.gpio_din = DISPLAY_MOSI_PIN,
.gpio_clk = DISPLAY_SCK_PIN,
.gpio_cs = DISPLAY_CS_PIN,
.gpio_dc = DISPLAY_DC_PIN,
.gpio_rst = DISPLAY_RST_PIN,
.gpio_bl = DISPLAY_BL_PIN,
};
printf("Creating ST7796 display (%dx%d)\n", width, height);
return new LowLevelDisplayST7796(&lcd_config, width, height);
}
case DISPLAY_TYPE_ST7789: {
// Create ST7789 configuration from board_config.h
static const st7789_config st7789_cfg = {
.spi = DISPLAY_SPI_PORT,
.gpio_din = DISPLAY_MOSI_PIN,
.gpio_clk = DISPLAY_SCK_PIN,
.gpio_cs = DISPLAY_CS_PIN,
.gpio_dc = DISPLAY_DC_PIN,
.gpio_rst = DISPLAY_RST_PIN,
.gpio_bl = DISPLAY_BL_PIN,
};
printf("Creating ST7789 display (%dx%d) - STUB (driver not implemented)\n", width, height);
return new LowLevelDisplayST7789(&st7789_cfg, width, height);
}
case DISPLAY_TYPE_EPAPER: {
// Create E-Paper configuration from board_config.h
static const epaper_config epaper_cfg = {
.spi = DISPLAY_SPI_PORT,
.gpio_din = DISPLAY_MOSI_PIN,
.gpio_clk = DISPLAY_SCK_PIN,
.gpio_cs = DISPLAY_CS_PIN,
.gpio_dc = DISPLAY_DC_PIN,
.gpio_rst = DISPLAY_RST_PIN,
.gpio_busy = DISPLAY_BUSY_PIN,
};
printf("Creating E-Paper display (%dx%d) - STUB (driver not implemented)\n", width, height);
return new LowLevelDisplayEPaper(&epaper_cfg, width, height);
}
default:
printf("Error: Unknown display type %d\n", type);
return nullptr;
}
}

54
display/low_level_display_st7789.cpp Normal file
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@@ -0,0 +1,54 @@
#include "low_level_display_st7789.h"
#include <stdio.h>
// Note: This is a placeholder implementation
// You'll need to add the actual ST7789 driver code to lib/st7789/
LowLevelDisplayST7789::LowLevelDisplayST7789(const st7789_config* cfg, int w, int h)
: config(cfg), width(w), height(h), initialized(false) {
}
LowLevelDisplayST7789::~LowLevelDisplayST7789() {
// Cleanup if needed
}
bool LowLevelDisplayST7789::init() {
if (initialized) {
return true;
}
// TODO: Implement ST7789 initialization
// st7789_init(config, width, height);
printf("ST7789 display initialized: %dx%d (stub)\n", width, height);
initialized = true;
return false; // Return false until actual driver is implemented
}
void LowLevelDisplayST7789::clear(bool white) {
// TODO: Implement
(void)white;
}
void LowLevelDisplayST7789::draw_pixel(int x, int y, bool white) {
// TODO: Implement
(void)x; (void)y; (void)white;
}
void LowLevelDisplayST7789::draw_buffer(const uint8_t* bit_buffer) {
// TODO: Implement - convert 1-bit to RGB565 and write
(void)bit_buffer;
}
void LowLevelDisplayST7789::refresh() {
// ST7789 updates immediately
}
void LowLevelDisplayST7789::set_backlight(bool on) {
// TODO: Implement
(void)on;
}
void LowLevelDisplayST7789::set_rotation(uint8_t rotation) {
// TODO: Implement
(void)rotation;
}

48
display/low_level_display_st7789.h Normal file
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@@ -0,0 +1,48 @@
#ifndef LOW_LEVEL_DISPLAY_ST7789_H
#define LOW_LEVEL_DISPLAY_ST7789_H
#include "low_level_display.h"
// ST7789 configuration structure (similar to ST7796)
struct st7789_config {
void* spi; // SPI instance
int gpio_din; // MOSI pin
int gpio_clk; // Clock pin
int gpio_cs; // Chip select pin
int gpio_dc; // Data/Command pin
int gpio_rst; // Reset pin
int gpio_bl; // Backlight pin
};
class LowLevelDisplayST7789 : public LowLevelDisplay {
private:
const st7789_config* config;
int width;
int height;
bool initialized;
public:
LowLevelDisplayST7789(const st7789_config* cfg, int w, int h);
~LowLevelDisplayST7789() override;
// Core display operations - converts 1-bit to RGB565 internally
bool init() override;
void clear(bool white = true) override;
void draw_pixel(int x, int y, bool white) override;
void draw_buffer(const uint8_t* bit_buffer) override;
void refresh() override;
// Display properties
int get_width() const override { return width; }
int get_height() const override { return height; }
DisplayType get_type() const override { return DISPLAY_TYPE_ST7789; }
bool is_color() const override { return true; }
// Backlight control
void set_backlight(bool on) override;
// Orientation control
void set_rotation(uint8_t rotation) override;
};
#endif // LOW_LEVEL_DISPLAY_ST7789_H

77
display/low_level_display_st7796.cpp Normal file
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@@ -0,0 +1,77 @@
#include "low_level_display_st7796.h"
#include <stdio.h>
#include <stdlib.h>
// RGB565 color definitions
#define COLOR_BLACK 0x0000
#define COLOR_WHITE 0xFFFF
LowLevelDisplayST7796::LowLevelDisplayST7796(const st7796_config* cfg, int w, int h)
: config(cfg), width(w), height(h), initialized(false) {
}
LowLevelDisplayST7796::~LowLevelDisplayST7796() {
// Cleanup if needed
}
bool LowLevelDisplayST7796::init() {
if (initialized) {
return true;
}
st7796_init(config, width, height);
initialized = true;
printf("ST7796 display initialized: %dx%d\n", width, height);
return true;
}
void LowLevelDisplayST7796::clear(bool white) {
st7796_fill(white ? COLOR_WHITE : COLOR_BLACK);
}
void LowLevelDisplayST7796::draw_pixel(int x, int y, bool white) {
st7796_draw_pixel(x, y, white ? COLOR_WHITE : COLOR_BLACK);
}
void LowLevelDisplayST7796::draw_buffer(const uint8_t* bit_buffer) {
if (!bit_buffer) return;
// Allocate RGB565 buffer for entire screen
uint16_t *rgb_buffer = (uint16_t *)malloc(width * height * sizeof(uint16_t));
if (!rgb_buffer) {
printf("Error: Failed to allocate RGB buffer\n");
return;
}
// Convert 1-bit buffer to RGB565
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int byte_index = (y * width + x) / 8;
int bit_index = 7 - (x % 8);
bool pixel_white = (bit_buffer[byte_index] >> bit_index) & 0x01;
rgb_buffer[y * width + x] = pixel_white ? COLOR_WHITE : COLOR_BLACK;
}
}
// Draw entire buffer at once
st7796_set_cursor(0, 0);
st7796_write(rgb_buffer, width * height);
free(rgb_buffer);
}
void LowLevelDisplayST7796::refresh() {
// ST7796 updates immediately, no refresh needed
}
void LowLevelDisplayST7796::set_backlight(bool on) {
// ST7796 driver doesn't have backlight control yet
// TODO: Add GPIO control for backlight pin
(void)on;
}
void LowLevelDisplayST7796::set_rotation(uint8_t rotation) {
// ST7796 driver doesn't have rotation control yet
// TODO: Add MADCTL register manipulation for rotation
(void)rotation;
}

38
display/low_level_display_st7796.h Normal file
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#ifndef LOW_LEVEL_DISPLAY_ST7796_H
#define LOW_LEVEL_DISPLAY_ST7796_H
#include "low_level_display.h"
#include "st7796.h"
class LowLevelDisplayST7796 : public LowLevelDisplay {
private:
const st7796_config* config;
int width;
int height;
bool initialized;
public:
LowLevelDisplayST7796(const st7796_config* cfg, int w, int h);
~LowLevelDisplayST7796() override;
// Core display operations - converts 1-bit to RGB565 internally
bool init() override;
void clear(bool white = true) override;
void draw_pixel(int x, int y, bool white) override;
void draw_buffer(const uint8_t* bit_buffer) override;
void refresh() override;
// Display properties
int get_width() const override { return width; }
int get_height() const override { return height; }
DisplayType get_type() const override { return DISPLAY_TYPE_ST7796; }
bool is_color() const override { return true; }
// Backlight control
void set_backlight(bool on) override;
// Orientation control
void set_rotation(uint8_t rotation) override;
};
#endif // LOW_LEVEL_DISPLAY_ST7796_H

0
low_level_gui.cpp → display/low_level_gui.cpp
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0
low_level_gui.h → display/low_level_gui.h
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0
low_level_render.cpp → display/low_level_render.cpp
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0
low_level_render.h → display/low_level_render.h
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83
display/low_level_touch.h Normal file
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#ifndef LOW_LEVEL_TOUCH_H
#define LOW_LEVEL_TOUCH_H
#include <cstdint>
#include <stdbool.h>
using std::int16_t;
using std::uint8_t;
using std::uint32_t;
// Touch driver type enumeration
typedef enum {
TOUCH_TYPE_FT6336U,
TOUCH_TYPE_NONE // For boards without touch
} TouchType;
// Maximum touch points (most capacitive touch controllers support 1-5 points)
#define TOUCH_MAX_POINTS 2
// Touch event types
typedef enum {
TOUCH_EVENT_PRESS_DOWN = 0,
TOUCH_EVENT_LIFT_UP = 1,
TOUCH_EVENT_CONTACT = 2,
TOUCH_EVENT_NO_EVENT = 3
} TouchEvent;
// Touch point structure
typedef struct {
int16_t x;
int16_t y;
uint8_t event;
uint8_t id;
uint8_t pressure; // Touch pressure/area/weight
} TouchPoint;
// Touch data structure
typedef struct {
uint8_t touch_count;
TouchPoint points[TOUCH_MAX_POINTS];
uint8_t gesture;
} TouchData;
// Abstract touch interface
class LowLevelTouch {
public:
virtual ~LowLevelTouch() {}
// Core touch operations
virtual bool init() = 0;
virtual bool read_touch(TouchData* data) = 0;
virtual bool is_touched() = 0;
// Touch properties
virtual int get_screen_width() const = 0;
virtual int get_screen_height() const = 0;
virtual TouchType get_type() const = 0;
virtual uint8_t get_max_touch_points() const = 0;
// Optional: Device information
virtual uint8_t get_chip_id() { return 0xFF; }
virtual uint8_t get_firmware_version() { return 0xFF; }
// Optional: Coordinate transformation (handled internally by driver)
virtual void set_coordinate_transform(bool swap_xy, bool invert_x, bool invert_y) {
(void)swap_xy; (void)invert_x; (void)invert_y;
}
// Optional: Interrupt callback
virtual void set_interrupt_callback(void (*callback)(unsigned int gpio, uint32_t events)) {
(void)callback;
}
// Optional: Test/diagnostic
virtual bool test_communication() { return false; }
// Factory method - creates touch controller based on type and screen dimensions
// Uses board_config.h for pin definitions and optional transform parameters
static LowLevelTouch* create(TouchType type, int screen_width, int screen_height,
bool swap_xy = false, bool invert_x = false, bool invert_y = false);
};
#endif // LOW_LEVEL_TOUCH_H

31
display/low_level_touch_factory.cpp Normal file
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#include "low_level_touch.h"
#include "low_level_touch_ft6336u.h"
#include <cstdio>
LowLevelTouch* LowLevelTouch::create(TouchType type, int screen_width, int screen_height,
bool swap_xy, bool invert_x, bool invert_y) {
LowLevelTouch* touch = nullptr;
switch (type) {
case TOUCH_TYPE_FT6336U:
printf("Creating FT6336U touch controller...\n");
touch = new LowLevelTouchFT6336U(screen_width, screen_height, swap_xy, invert_x, invert_y);
break;
case TOUCH_TYPE_NONE:
printf("No touch controller configured\n");
return nullptr;
default:
printf("Unknown touch type: %d\n", type);
return nullptr;
}
if (touch && !touch->init()) {
printf("Failed to initialize touch controller\n");
delete touch;
return nullptr;
}
return touch;
}

107
display/low_level_touch_ft6336u.cpp Normal file
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#include "low_level_touch_ft6336u.h"
#include "board_config.h"
#include <cstdio>
LowLevelTouchFT6336U::LowLevelTouchFT6336U(int width, int height, bool swap_xy,
bool invert_x, bool invert_y)
: screen_width(width)
, screen_height(height)
, swap_xy(swap_xy)
, invert_x(invert_x)
, invert_y(invert_y)
, initialized(false)
{
}
LowLevelTouchFT6336U::~LowLevelTouchFT6336U() {
// Cleanup if needed
}
bool LowLevelTouchFT6336U::init() {
if (initialized) {
return true;
}
// Build configuration from board_config.h
ft6336u_config_t config = {
.i2c = TOUCH_I2C_PORT,
.gpio_sda = TOUCH_SDA_PIN,
.gpio_scl = TOUCH_SCL_PIN,
.gpio_rst = TOUCH_RST_PIN,
.gpio_int = TOUCH_INT_PIN,
.screen_width = (uint16_t)screen_width,
.screen_height = (uint16_t)screen_height,
.swap_xy = swap_xy,
.invert_x = invert_x,
.invert_y = invert_y
};
initialized = ft6336u_init(&config);
if (initialized) {
printf("Touch FT6336U initialized: Chip ID=0x%02X, FW Ver=0x%02X\n",
get_chip_id(), get_firmware_version());
} else {
printf("Touch FT6336U initialization failed!\n");
}
return initialized;
}
bool LowLevelTouchFT6336U::read_touch(TouchData* data) {
if (!initialized || !data) {
return false;
}
ft6336u_touch_data_t ft_data;
if (!ft6336u_read_touch(&ft_data)) {
return false;
}
// Convert from FT6336U format to our abstract format
data->touch_count = ft_data.touch_count;
data->gesture = ft_data.gesture;
for (int i = 0; i < ft_data.touch_count && i < TOUCH_MAX_POINTS; i++) {
data->points[i].x = ft_data.points[i].x;
data->points[i].y = ft_data.points[i].y;
data->points[i].event = ft_data.points[i].event;
data->points[i].id = ft_data.points[i].id;
data->points[i].pressure = ft_data.points[i].weight;
}
return true;
}
bool LowLevelTouchFT6336U::is_touched() {
if (!initialized) {
return false;
}
return ft6336u_is_touched();
}
uint8_t LowLevelTouchFT6336U::get_chip_id() {
return ft6336u_get_chip_id();
}
uint8_t LowLevelTouchFT6336U::get_firmware_version() {
return ft6336u_get_firmware_version();
}
void LowLevelTouchFT6336U::set_coordinate_transform(bool swap_xy, bool invert_x, bool invert_y) {
this->swap_xy = swap_xy;
this->invert_x = invert_x;
this->invert_y = invert_y;
// Note: This only updates internal state. To apply to the driver,
// you would need to reinitialize with the new settings.
printf("Touch coordinate transform updated (requires re-init to apply)\n");
}
void LowLevelTouchFT6336U::set_interrupt_callback(void (*callback)(unsigned int gpio, uint32_t events)) {
ft6336u_set_interrupt_callback(callback);
}
bool LowLevelTouchFT6336U::test_communication() {
return ft6336u_test_i2c();
}

47
display/low_level_touch_ft6336u.h Normal file
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#ifndef LOW_LEVEL_TOUCH_FT6336U_H
#define LOW_LEVEL_TOUCH_FT6336U_H
#include "low_level_touch.h"
#include "../lib/ft6336u/ft6336u.h"
// FT6336U Touch Driver Implementation
class LowLevelTouchFT6336U : public LowLevelTouch {
private:
int screen_width;
int screen_height;
bool swap_xy;
bool invert_x;
bool invert_y;
bool initialized;
public:
LowLevelTouchFT6336U(int width, int height, bool swap_xy = false,
bool invert_x = false, bool invert_y = false);
virtual ~LowLevelTouchFT6336U();
// Core operations
bool init() override;
bool read_touch(TouchData* data) override;
bool is_touched() override;
// Touch properties
int get_screen_width() const override { return screen_width; }
int get_screen_height() const override { return screen_height; }
TouchType get_type() const override { return TOUCH_TYPE_FT6336U; }
uint8_t get_max_touch_points() const override { return 2; }
// Device information
uint8_t get_chip_id() override;
uint8_t get_firmware_version() override;
// Coordinate transformation
void set_coordinate_transform(bool swap_xy, bool invert_x, bool invert_y) override;
// Interrupt callback
void set_interrupt_callback(void (*callback)(unsigned int gpio, uint32_t events)) override;
// Test/diagnostic
bool test_communication() override;
};
#endif // LOW_LEVEL_TOUCH_FT6336U_H

42
fatfs_time.c
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@@ -4,19 +4,45 @@
#include "ff.h"
#include "pico/stdlib.h"
#include <string.h>
// Parse compilation date/time macros
static int get_month_from_string(const char* month_str) {
const char* months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
for (int i = 0; i < 12; i++) {
if (strncmp(month_str, months[i], 3) == 0) {
return i + 1;
}
}
return 1; // Default to January
}
/* Get current time */
DWORD get_fattime (void)
{
// Return a fixed timestamp (2024-01-01 00:00:00)
// In a real application, you would get this from an RTC
// Use compilation date/time from __DATE__ and __TIME__ macros
// __DATE__ format: "Jan 28 2026"
// __TIME__ format: "HH:MM:SS"
// Format: bit31:25=Year(0-127 +1980), bit24:21=Month(1-12), bit20:16=Day(1-31)
// bit15:11=Hour(0-23), bit10:5=Minute(0-59), bit4:0=Second/2(0-29)
return ((DWORD)(2024 - 1980) << 25) // Year: 2024
| ((DWORD)1 << 21) // Month: January
| ((DWORD)1 << 16) // Day: 1
| ((DWORD)0 << 11) // Hour: 0
| ((DWORD)0 << 5) // Minute: 0
| ((DWORD)0 >> 1); // Second: 0
// Parse __DATE__ (e.g., "Jan 28 2026")
char month_str[4] = {__DATE__[0], __DATE__[1], __DATE__[2], 0};
int day = (__DATE__[4] == ' ' ? 0 : (__DATE__[4] - '0') * 10) + (__DATE__[5] - '0');
int year = ((__DATE__[7] - '0') * 1000) + ((__DATE__[8] - '0') * 100) +
((__DATE__[9] - '0') * 10) + (__DATE__[10] - '0');
int month = get_month_from_string(month_str);
// Parse __TIME__ (e.g., "12:34:56")
int hour = ((__TIME__[0] - '0') * 10) + (__TIME__[1] - '0');
int minute = ((__TIME__[3] - '0') * 10) + (__TIME__[4] - '0');
int second = ((__TIME__[6] - '0') * 10) + (__TIME__[7] - '0');
return ((DWORD)(year - 1980) << 25)
| ((DWORD)month << 21)
| ((DWORD)day << 16)
| ((DWORD)hour << 11)
| ((DWORD)minute << 5)
| ((DWORD)(second / 2));
}

1
lib/Pico_ePaper_Code/.gitignore vendored Normal file
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@@ -0,0 +1 @@
build/

674
lib/Pico_ePaper_Code/LICENSE Normal file
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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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The licenses for most software and other practical works are designed
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When we speak of free software, we are referring to freedom, not
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To protect your rights, we need to prevent others from denying you
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# Pico_ePaper_Code
## waveshare electronics
![waveshare_logo.png](waveshare_logo.png)
## 中文：
微雪电子 Pico-ePaper 系列驱动代码，支持C和Python
更多资料请在官网搜索相关产品：
> https://www.waveshare.net or https://www.waveshare.net/wiki
***
## English:
Waveshrae Pico-ePaper series drivers code, Support C and Python.
For more information, please search on the official website:
> https://www.waveshare.com or https://www.waveshare.com/wiki/Main_Page

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2021-02-04：新创建，添加2.13 & 2.9程序
2021-03-17：新添加2.13-B、2.13-C、2.9-B、2.9-C程序
2021-05-12：新添加2.66程序，解决python程序自启动乱码的问题
2021-05-14：新添加2.66-B、2.13-D、2.9-D程序
2021-05-27：新添加5.83、5.83-B、7.5、7.5-B程序
2021-06-01：新添加3.7程序
2021-06-15：新添加2.7程序
2021-07-13：新添加4.2、4.2-B、5.65程序
2021-11-01：添加新程序2.13inch V3 e-Paper例程。
2022-08-22：添加新程序2.13Binch V4 e-Paper例程。
2023-03-16：添加新程序2.7inch V2 e-Paper例程。
2023-08-12：添加新程序2.13inch V4 e-Paper例程。
2023-08-31：更新 2.9inch V2 e-Paper 的例程，添加四灰度显示
2023-09-13：添加新程序4.2inch V2 e-Paper例程。
2024-04-22：添加新程序2.9inch e-Paper (B) V4 例程。
2024-04-22：更新4.2inch e-Paper (B) V2 例程。

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2021-02-04: newly built, add 2.13 & 2.9 programs.
2021-03-17: add 2.13-B & 2.13-C & 2.9-B & 2.9-C programs.
2021-05-12: add 2.66 program, Solve the Python program to start the problem of garbled code
2021-05-14: add 2.66-B & 2.13-D & 2.9-D programs.
2021-05-27：add 5.83 & 5.83-B & 7.5 & 7.5-B programs.
2021-06-01：add 3.7 programs.
2021-06-15：add 2.7 programs.
2021-07-13：add 4.2 & 4.2-B & 5.65 programs.
2021-11-01: Added new program 2.13inch V3 e-Paper routine.
2022-08-22: Added new program 2.13Binch V4 e-Paper routine.
2023-03-16: Added new program 2.7inch V2 e-Paper routine.
2023-08-12: Added new program 2.13inch V4 e-Paper routine.
2023-08-31: Update the routines of the 2.9inch V2 e-Paper to add a four-grayscale display
2023-09-13: Added new program 4.2inch V2 e-Paper routine.
2024-04-22: Added new program 2.9inch e-Paper (B) V4 routine added.
2024-04-22: Update 4.2inch e-Paper (B) V2 routine.

30
lib/Pico_ePaper_Code/c/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.12)
include(pico_sdk_import.cmake)
project(Pico_ePaper_Code)
pico_sdk_init()
# add a compilation subdirectory
add_subdirectory(lib/Config)
add_subdirectory(lib/e-Paper)
add_subdirectory(lib/Fonts)
add_subdirectory(lib/GUI)
add_subdirectory(examples)
# add a header directory
include_directories(examples)
include_directories(./lib/Config)
include_directories(./lib/GUI)
# generate an executable file
add_executable(epd
main.c
)
# enable usb output, disable uart output
pico_enable_stdio_usb(epd 1)
pico_enable_stdio_uart(epd 0)
# create map/bin/hex/uf2 file etc.
pico_add_extra_outputs(epd)
target_link_libraries(epd examples ePaper GUI Fonts Config pico_stdlib hardware_spi)

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/*****************************************************************************
* | File : Readme_CN.txt
* | Author : Waveshare team
* | Function : Help with use
* | Info :
*----------------
* | This version: V1.0
* | Date : 2021-02-04
* | Info : 在这里提供一个中文版本的使用文档，以便你的快速使用
******************************************************************************/
这个文件是帮助您使用本例程。
由于我们的墨水屏越来越多，不便于我们的维护，因此把所有的墨水屏程序做成一个工程。
在这里简略的描述本工程的使用：
1.基本信息：
本例程使用相对应的模块搭配Pico进行了验证，你可以在工程的examples\中查看对应的测试例程;
2.管脚连接：
管脚连接你可以在\lib\Config目录下查看DEV_Config.c/h中查看，这里也再重述一次：
EPD => Pico
VCC -> VSYS
GND -> GND
DIN -> 11
CLK -> 10
CS -> 9
DC -> 8
RST -> 12
BUSY -> 13
3.基本使用：
由于本工程是一个综合工程，对于使用而言，你可能需要阅读以下内容：
你可以在main.c中的12行到22行看到已经进行了注释的9个函数，
请注意你购买的是哪一款的墨水屏。
栗子1：
如果你购买的 Pico-ePaper-2.13，那么你应该把对应的18(或19，取决于您屏幕的版本)行代码的注释去掉，即：
// EPD_2in13_V2_test();
修改成：
EPD_2in13_V2_test();
栗子2：
如果你购买的 Pico-ePaper-2.9-B，那么你应该把对应的21行代码的注释去掉，即：
// EPD_2in13b_V3_test();
修改成：
EPD_2in13b_V3_test();
注意：对于屏幕的版本请注意你的屏幕背面是否贴有V2/V3等标识。
然后你需要执行：
创建build目录：打开终端，在 Pico_ePaper_Code/c 目录下输入：
mkdir build
进入build目录，在终端输入：
cd build
执行cmake，自动生成Makefile文件，在终端输入：
cmake ..
执行make，生成可执行文件，在终端输入：
make -j4
4.目录结构（选读）：
如果你经常使用我们的产品，对我们的程序目录结构会十分熟悉，关于具体的函数的我们有一份
函数的API手册，你可以在我们的WIKI上下载或像售后客服索取，这里简单介绍一次：
\lib\Config\:此目录为硬件接口层文件，在DEV_Config.c(.h)可以看到很多定义，包括：
数据类型;
GPIO;
读写GPIO;
延时：注意：此延时函数并未使用示波器测量具体数值,因此会不准;
模块初始化与退出的处理：
void DEV_Module_Init(void);
void DEV_Module_Exit(void);
注意：1.这里是处理使用墨水屏前与使用完之后一些GPIO的处理。
2.对于PCB带有Rev2.1的，DEV_Module_Exit()之后整个模块会进入低功耗，经过测试这个功耗基本为0;
\lib\GUI\:此目录为一些基本的图像处理函数，在GUI_Paint.c(.h)中：
常用图像处理：创建图形、翻转图形、镜像图形、设置像素点、清屏等;
常用画图处理：画点、线、框、圆、中文字符、英文字符、数字等;
常用时间显示：提供一个常用的显示时间函数;
常用显示图片：提供一个显示位图的函数;
\lib\Fonts\:为一些常用的字体：
Ascii:
font8: 5*8
font12: 7*12
font16: 11*16
font20: 14*20
font24: 17*24
中文：
font12CN: 16*21
font24CN: 32*41
\lib\e-paper\:此目录下为墨水屏驱动函数;
examples\:此目录下为墨水屏的测试程序，你可在其中看到具体的使用方法;

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/*****************************************************************************
* | File : Readme_EN.txt
* | Author : Waveshare team
* | Function : Help with use
* | Info :
*----------------
* | This version: V1.0
* | Date : 2021-02-04
* | Info : Here is an English version of the documentation for your quick use.
******************************************************************************/
This file is to help you use this routine.
Since our ink screens are getting more and more, it is not convenient for our maintenance, so all the ink screen programs are made into one project.
A brief description of the use of this project is here:
1. Basic information:
This routine is verified using the corresponding module with the PICO.
You can see the corresponding test routine in the examples\ of the project.
2. Pin connection:
Pin connection You can look at dev_config.c/h in \lib\Config. Again, here:
EPD => Pico
VCC -> VSYS
GND -> GND
DIN -> 11
CLK -> 10
CS -> 9
DC -> 8
RST -> 12
BUSY -> 13
3. Basic use:
As this project is a comprehensive project, for use, you may need to read the following:
You can see the nine functions that have been commented in main.c on lines 12 through 22,
Please pay attention to which type of ink screen you buy.
eg.1：
If you purchased pico-epaper 2.13,
then you should uncomment the corresponding 18(or 19, depending on the version of your screen) lines of code, i.e. :
// EPD_2in13_V2_test();
change to：
EPD_2in13_V2_test();
eg.2：
If you bought pico-epaper 2.9-b,
then you should uncomment the corresponding 21 lines of code, i.e. :
// EPD_2in13b_V3_test();
change to：
EPD_2in13b_V3_test();
Note: For the version of the screen, please pay attention to whether the back of your screen is labeled with V2/V3 etc.
Then you need to implement:
Create the build directory: Open the terminal and type in the Pico_ePaper_Code/c directory:
mkdir build
Go to the build directory and type:
cd build
Execute cmake to automatically generate the Makefile file and type:
cmake ..
To create an executable file, type:
make -j4
4. Directory structure (selection):
If you use our products frequently, we will be very familiar with our program directory structure. We have a copy of the specific function.
The API manual for the function, you can download it on our WIKI or request it as an after-sales customer service. Here is a brief introduction:
Config\: This directory is a hardware interface layer file. You can see many definitions in DEV_Config.c(.h), including:
type of data;
GPIO;
Read and write GPIO;
Delay: Note: This delay function does not use an oscilloscope to measure specific values.
Module Init and exit processing:
void DEV_Module_Init(void);
void DEV_Module_Exit(void);
Note: 1. Here is the processing of some GPIOs before and after using the ink screen.
2. For the PCB with Rev2.1, the entire module will enter low power consumption after DEV_Module_Exit(). After testing, the power consumption is basically 0;
\lib\GUI\: This directory is some basic image processing functions, in GUI_Paint.c(.h):
Common image processing: creating graphics, flipping graphics, mirroring graphics, setting pixels, clearing screens, etc.
Common drawing processing: drawing points, lines, boxes, circles, Chinese characters, English characters, numbers, etc.;
Common time display: Provide a common display time function;
Commonly used display pictures: provide a function to display bitmaps;
\lib\Fonts\: for some commonly used fonts:
Ascii:
Font8: 5*8
Font12: 7*12
Font16: 11*16
Font20: 14*20
Font24: 17*24
Chinese:
font12CN: 16*21
font24CN: 32*41
\lib\e-paper\: This screen is the ink screen driver function;
examples\: This is the test program for the ink screen. You can see the specific usage method in it.

11
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# Find all source files in a single current directory
# Save the name to DIR_examples_SRCS
aux_source_directory(. DIR_examples_SRCS)
include_directories(../lib/Config)
include_directories(../lib/GUI)
include_directories(../lib/e-Paper)
# Generate the link library
add_library(examples ${DIR_examples_SRCS})
target_link_libraries(examples PUBLIC Config)

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/*****************************************************************************
* | File : EPD_2IN13_V2_test.c
* | Author : Waveshare team
* | Function : 2.13inch e-paper(V2) test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-13
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in13_V2.h"
int EPD_2in13_V2_test(void)
{
printf("EPD_2IN13_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN13_V2_Init(EPD_2IN13_V2_FULL);
EPD_2IN13_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1)) * EPD_2IN13_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN13_V2_WIDTH, EPD_2IN13_V2_HEIGHT, 270, WHITE);
Paint_SelectImage(BlackImage);
Paint_SetMirroring(MIRROR_HORIZONTAL); //
Paint_Clear(WHITE);
#if 1 //show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in13);
EPD_2IN13_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
printf("Drawing\r\n");
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
Paint_DrawPoint(5, 10, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(5, 25, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(5, 40, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(5, 55, BLACK, DOT_PIXEL_4X4, DOT_STYLE_DFT);
Paint_DrawLine(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 10, 20, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(85, 10, 135, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(45, 15, 45, 55, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(25, 35, 70, 35, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawCircle(45, 35, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(110, 35, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(140, 15, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawNum(140, 40, 123456789, &Font16, BLACK, WHITE);
Paint_DrawString_CN(140, 60, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(5, 65, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2IN13_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
printf("Drawing\r\n");
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
Paint_DrawLine(1, 1, 250,1, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(250, 1, 250,122, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(250, 122,1, 122, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(1, 122,1, 1, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(3, 3, 248,3, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(248, 3, 248,120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(248, 120,3, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(3, 120,3, 3, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(5, 5, 246,5, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(246, 5, 246,118, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(246, 118,5, 118, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(5, 118,5, 5, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(7, 7, 244,7, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(244, 7, 244,116, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(244, 116,7, 116, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(7, 116,7, 7, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(9, 9, 242,9, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(242, 9, 242,114, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(242, 114,9, 114, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(9, 114,9, 9, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawString_EN(60, 25, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(60, 55, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2IN13_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 //Partial refresh, example shows time
printf("Partial refresh\r\n");
EPD_2IN13_V2_Init(EPD_2IN13_V2_FULL);
EPD_2IN13_V2_DisplayPartBaseImage(BlackImage);
EPD_2IN13_V2_Init(EPD_2IN13_V2_PART);
Paint_SelectImage(BlackImage);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 20;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(140, 90, 140 + Font20.Width * 7, 90 + Font20.Height, WHITE);
Paint_DrawTime(140, 90, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_2IN13_V2_DisplayPart(BlackImage);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
printf("Clear...\r\n");
EPD_2IN13_V2_Init(EPD_2IN13_V2_FULL);
EPD_2IN13_V2_Clear();
DEV_Delay_ms(2000);//Analog clock 1s
printf("Goto Sleep...\r\n");
EPD_2IN13_V2_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

149
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/*****************************************************************************
* | File : EPD_2in13_V3_test.c
* | Author : Waveshare team
* | Function : 2.13inch e-paper V3 test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-12-22
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in13_V3.h"
int EPD_2in13_V3_test(void)
{
printf("EPD_2in13_V3_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2in13_V3_Init();
EPD_2in13_V3_Clear();
//Create a new image cache
UBYTE *BlackImage;
UWORD Imagesize = ((EPD_2in13_V3_WIDTH % 8 == 0)? (EPD_2in13_V3_WIDTH / 8 ): (EPD_2in13_V3_WIDTH / 8 + 1)) * EPD_2in13_V3_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2in13_V3_WIDTH, EPD_2in13_V3_HEIGHT, 90, WHITE);
Paint_Clear(WHITE);
#if 1 //show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in13_2);
EPD_2in13_V3_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
Paint_NewImage(BlackImage, EPD_2in13_V3_WIDTH, EPD_2in13_V3_HEIGHT, 90, WHITE);
printf("Drawing\r\n");
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
Paint_DrawPoint(5, 10, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(5, 25, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(5, 40, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(5, 55, BLACK, DOT_PIXEL_4X4, DOT_STYLE_DFT);
Paint_DrawLine(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 10, 20, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(85, 10, 135, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(45, 15, 45, 55, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(25, 35, 70, 35, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawCircle(45, 35, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(110, 35, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(140, 15, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawNum(140, 40, 123456789, &Font16, BLACK, WHITE);
Paint_DrawString_CN(140, 60, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(5, 65, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2in13_V3_Display_Base(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 //Partial refresh, example shows time
Paint_NewImage(BlackImage, EPD_2in13_V3_WIDTH, EPD_2in13_V3_HEIGHT, 90, WHITE);
printf("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(150, 80, 150 + Font20.Width * 7, 80 + Font20.Height, WHITE);
Paint_DrawTime(150, 80, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_2in13_V3_Display_Partial(BlackImage);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
printf("Clear...\r\n");
EPD_2in13_V3_Init();
EPD_2in13_V3_Clear();
printf("Goto Sleep...\r\n");
EPD_2in13_V3_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

152
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/*****************************************************************************
* | File : EPD_2in13_V4_test.c
* | Author : Waveshare team
* | Function : 2.13inch e-paper V4 test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2023-08-12
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in13_V4.h"
int EPD_2in13_V4_test(void)
{
Debug("EPD_2in13_V4_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
Debug("e-Paper Init and Clear...\r\n");
EPD_2in13_V4_Init();
EPD_2in13_V4_Clear();
//Create a new image cache
UBYTE *BlackImage;
UWORD Imagesize = ((EPD_2in13_V4_WIDTH % 8 == 0)? (EPD_2in13_V4_WIDTH / 8 ): (EPD_2in13_V4_WIDTH / 8 + 1)) * EPD_2in13_V4_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
Debug("Failed to apply for black memory...\r\n");
return -1;
}
Debug("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2in13_V4_WIDTH, EPD_2in13_V4_HEIGHT, 90, WHITE);
Paint_Clear(WHITE);
#if 1 //show image for array
Debug("show image for array\r\n");
EPD_2in13_V4_Init_Fast();
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in13_2);
EPD_2in13_V4_Display_Fast(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
Paint_NewImage(BlackImage, EPD_2in13_V4_WIDTH, EPD_2in13_V4_HEIGHT, 90, WHITE);
Debug("Drawing\r\n");
//1.Select Image
EPD_2in13_V4_Init();
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
Paint_DrawPoint(5, 10, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(5, 25, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(5, 40, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(5, 55, BLACK, DOT_PIXEL_4X4, DOT_STYLE_DFT);
Paint_DrawLine(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 10, 20, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(85, 10, 135, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(45, 15, 45, 55, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(25, 35, 70, 35, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawCircle(45, 35, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(110, 35, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(140, 15, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawNum(140, 40, 123456789, &Font16, BLACK, WHITE);
Paint_DrawString_CN(140, 60, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(5, 65, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2in13_V4_Display_Base(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 //Partial refresh, example shows time
Paint_NewImage(BlackImage, EPD_2in13_V4_WIDTH, EPD_2in13_V4_HEIGHT, 90, WHITE);
Debug("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(150, 80, 150 + Font20.Width * 7, 80 + Font20.Height, WHITE);
Paint_DrawTime(150, 80, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_2in13_V4_Display_Partial(BlackImage);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
Debug("Clear...\r\n");
EPD_2in13_V4_Init();
EPD_2in13_V4_Clear();
Debug("Goto Sleep...\r\n");
EPD_2in13_V4_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
Debug("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2in13b_V3_test.c
* | Author : Waveshare team
* | Function : 2.13inch B V3 e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-04-13
* | Info :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in13b_V3.h"
int EPD_2in13b_V3_test(void)
{
printf("EPD_2IN13B_V3_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN13B_V3_Init();
EPD_2IN13B_V3_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_2IN13B_V3_WIDTH % 8 == 0)? (EPD_2IN13B_V3_WIDTH / 8 ): (EPD_2IN13B_V3_WIDTH / 8 + 1)) * EPD_2IN13B_V3_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN13B_V3_WIDTH, EPD_2IN13B_V3_HEIGHT, 270, WHITE);
Paint_NewImage(RYImage, EPD_2IN13B_V3_WIDTH, EPD_2IN13B_V3_HEIGHT, 270, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
// EPD_2IN13B_V3_Display(gImage_2in13b_b, gImage_2in13b_r);
EPD_2IN13B_V3_Display(gImage_2in13c_b, gImage_2in13c_y);
DEV_Delay_ms(2000);
#endif
#if 0 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
printf("Draw black image\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(5, 70, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(5, 80, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 50, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(50, 70, 20, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(60, 70, 90, 100, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(125, 85, 15, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawString_CN(5, 15, "<22><><EFBFBD><EFBFBD>abc", &Font12CN, WHITE, BLACK);
//2.Draw red image
printf("Draw red image\r\n");
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawPoint(5, 90, RED, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(5, 100, RED, DOT_PIXEL_4X4, DOT_STYLE_DFT);
Paint_DrawLine(125, 70, 125, 100, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(110, 85, 140, 85, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawRectangle(20, 70, 50, 100, RED, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(165, 85, 15, RED, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(5, 0, "waveshare Electronics", &Font12, BLACK, WHITE);
Paint_DrawNum(5, 50, 987654321, &Font16, WHITE, RED);
printf("EPD_Display\r\n");
EPD_2IN13B_V3_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_2IN13B_V3_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN13B_V3_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2in13b_V4_test.c
* | Author : Waveshare team
* | Function : 2.13inch B V4 e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2022-08-20
* | Info :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in13b_V4.h"
#include "time.h"
int EPD_2in13b_V4_test(void)
{
printf("EPD_2IN13B_V4_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN13B_V4_Init();
EPD_2IN13B_V4_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_2IN13B_V4_WIDTH % 8 == 0)? (EPD_2IN13B_V4_WIDTH / 8 ): (EPD_2IN13B_V4_WIDTH / 8 + 1)) * EPD_2IN13B_V4_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN13B_V4_WIDTH, EPD_2IN13B_V4_HEIGHT, 90, WHITE);
Paint_NewImage(RYImage, EPD_2IN13B_V4_WIDTH, EPD_2IN13B_V4_HEIGHT, 90, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_2IN13B_V4_Display(gImage_2in13b_V4b, gImage_2in13b_V4r);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
printf("Draw black image\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(5, 70, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(5, 80, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 50, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(50, 70, 20, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(60, 70, 90, 100, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(125, 85, 15, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawString_CN(5, 15, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, WHITE, BLACK);
//2.Draw red image
printf("Draw red image\r\n");
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawPoint(5, 90, RED, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(5, 100, RED, DOT_PIXEL_4X4, DOT_STYLE_DFT);
Paint_DrawLine(125, 70, 125, 100, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(110, 85, 140, 85, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawRectangle(20, 70, 50, 100, RED, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(165, 85, 15, RED, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(5, 0, "waveshare Electronics", &Font12, BLACK, WHITE);
Paint_DrawNum(5, 50, 987654321, &Font16, WHITE, RED);
printf("EPD_Display\r\n");
EPD_2IN13B_V4_Display(BlackImage, RYImage);
DEV_Delay_ms(5000);
#endif
printf("Clear...\r\n");
EPD_2IN13B_V4_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN13B_V4_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

122
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/*****************************************************************************
* | File : EPD_2in13bc_test.c
* | Author : Waveshare team
* | Function : 2.13inch B&C e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-13
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in13bc.h"
int EPD_2in13bc_test(void)
{
printf("EPD_2IN13BC_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN13BC_Init();
EPD_2IN13BC_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_2IN13BC_WIDTH % 8 == 0)? (EPD_2IN13BC_WIDTH / 8 ): (EPD_2IN13BC_WIDTH / 8 + 1)) * EPD_2IN13BC_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN13BC_WIDTH, EPD_2IN13BC_HEIGHT, 270, WHITE);
Paint_NewImage(RYImage, EPD_2IN13BC_WIDTH, EPD_2IN13BC_HEIGHT, 270, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
// EPD_2IN13BC_Display(gImage_2in13b_b, gImage_2in13b_r);
EPD_2IN13BC_Display(gImage_2in13c_b, gImage_2in13c_y);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
printf("Draw black image\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(5, 70, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(5, 80, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 50, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(50, 70, 20, 100, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(60, 70, 90, 100, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(125, 85, 15, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawString_CN(5, 15, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, WHITE, BLACK);
//2.Draw red image
printf("Draw red image\r\n");
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawPoint(5, 90, RED, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(5, 100, RED, DOT_PIXEL_4X4, DOT_STYLE_DFT);
Paint_DrawLine(125, 70, 125, 100, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(110, 85, 140, 85, RED, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawRectangle(20, 70, 50, 100, RED, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(165, 85, 15, RED, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(5, 0, "waveshare Electronics", &Font12, BLACK, WHITE);
Paint_DrawNum(5, 50, 987654321, &Font16, WHITE, RED);
printf("EPD_Display\r\n");
EPD_2IN13BC_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_2IN13BC_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN13BC_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

147
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/*****************************************************************************
* | File : EPD_2in13d_test.c
* | Author : Waveshare team
* | Function : 2.9inch e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-13
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in13d.h"
int EPD_2in13d_test(void)
{
printf("EPD_2IN13D_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN13D_Init();
EPD_2IN13D_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_2IN13D_WIDTH % 8 == 0)? (EPD_2IN13D_WIDTH / 8 ): (EPD_2IN13D_WIDTH / 8 + 1)) * EPD_2IN13D_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN13D_WIDTH, EPD_2IN13D_HEIGHT, 270, WHITE);
#if 1 //show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in13d);
EPD_2IN13D_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
printf("Drawing\r\n");
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
Paint_DrawString_EN(5, 5, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawNum(5, 25, 123456789, &Font16, BLACK, WHITE);
Paint_DrawString_CN(5, 35,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(5, 60,"΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2IN13D_Display(BlackImage);
DEV_Delay_ms(1000);
Paint_Clear(WHITE);
Paint_DrawPoint(5, 10, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(5, 25, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(5, 40, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(5, 55, BLACK, DOT_PIXEL_4X4, DOT_STYLE_DFT);
Paint_DrawLine(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 10, 20, 60, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(170, 15, 170, 55, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(150, 35, 190, 35, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawRectangle(20, 10, 70, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(85, 10, 130, 60, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(170, 35, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(170, 80, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
EPD_2IN13D_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 0 //Partial refresh, example shows time
printf("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(15, 65, 15 + Font20.Width * 7, 65 + Font20.Height, WHITE);
Paint_DrawTime(15, 65, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_2IN13D_DisplayPart(BlackImage);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
printf("Clear...\r\n");
EPD_2IN13D_Init();
EPD_2IN13D_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN13D_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2IN66_test.c
* | Author : Waveshare team
* | Function : 2.66inch e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-07-29
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in66.h"
int EPD_2in66_test(void)
{
printf("EPD_2IN66_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN66_Init();
EPD_2IN66_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1)) * EPD_2IN66_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN66_WIDTH, EPD_2IN66_HEIGHT, 270, WHITE);
#if 1 //show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in66);
EPD_2IN66_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2IN66_Display(BlackImage);
DEV_Delay_ms(4000);
#endif
#if 1 //partial refresh, show time
printf("EPD_2IN66_DisplayPart\r\n");
EPD_2IN66_Init_Partial();
Paint_SelectImage(BlackImage);
PAINT_TIME sPaint_time; //time struct
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UWORD num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(180, 100, 296, 152, WHITE);
Paint_DrawTime(180, 110, &sPaint_time, &Font20, WHITE, BLACK);
//num = num - 1;
if(num == 0) {
break;
}
printf("Part refresh...\r\n");
EPD_2IN66_Display(BlackImage);
DEV_Delay_ms(500);
}
EPD_2IN66_Clear();
#endif
printf("Clear...\r\n");
EPD_2IN66_Init();
EPD_2IN66_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN66_Sleep();
free(BlackImage);
BlackImage = NULL;
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2IN66b_test.c
* | Author : Waveshare team
* | Function : 2.66inch e-paper b test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-12-02
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in66b.h"
int EPD_2in66b_test(void)
{
printf("EPD_2IN66B_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN66B_Init();
EPD_2IN66B_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage, *RedImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_2IN66B_WIDTH % 8 == 0)? (EPD_2IN66B_WIDTH / 8 ): (EPD_2IN66B_WIDTH / 8 + 1)) * EPD_2IN66B_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RedImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN66B_WIDTH, EPD_2IN66B_HEIGHT, 270, WHITE);
Paint_Clear(WHITE);
Paint_NewImage(RedImage, EPD_2IN66B_WIDTH, EPD_2IN66B_HEIGHT, 270, WHITE);
Paint_Clear(WHITE);
#if 1 //show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in66bb);
Paint_SelectImage(RedImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in66br);
EPD_2IN66B_Display(BlackImage, RedImage);
DEV_Delay_ms(3000);
#endif
#if 1 // Drawing on the image
printf("Drawing\r\n");
//1.Draw black image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RedImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
EPD_2IN66B_Display(BlackImage, RedImage);
DEV_Delay_ms(3000);
#endif
printf("Clear...\r\n");
EPD_2IN66B_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN66B_Sleep();
free(BlackImage);
BlackImage = NULL;
free(RedImage);
RedImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2in7_V2.c
* | Author : Waveshare team
* | Function : 2.7inch V2 e-paper
* | Info :
*----------------
* | This version: V1.0
* | Date : 2022-08-18
* | Info :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in7_V2.h"
int EPD_2in7_V2_test(void)
{
printf("EPD_2IN7_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN7_V2_Init();
EPD_2IN7_V2_Clear();
//Create a new image cache
UBYTE *BlackImage;
UWORD Imagesize = ((EPD_2IN7_V2_WIDTH % 8 == 0)? (EPD_2IN7_V2_WIDTH / 8 ): (EPD_2IN7_V2_WIDTH / 8 + 1)) * EPD_2IN7_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN7_V2_WIDTH, EPD_2IN7_V2_HEIGHT, 90, WHITE);
Paint_Clear(WHITE);
#if 1 // show bmp
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in7);
EPD_2IN7_V2_Display(BlackImage);
DEV_Delay_ms(500);
#endif
#if 1 // Drawing on the image
Paint_NewImage(BlackImage, EPD_2IN7_V2_WIDTH, EPD_2IN7_V2_HEIGHT, 90, WHITE);
printf("Drawing\r\n");
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2IN7_V2_Display_Base(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 // Fast Drawing on the image
// Fast refresh
printf("This is followed by a quick refresh demo\r\n");
printf("First, clear the screen\r\n");
EPD_2IN7_V2_Init();
EPD_2IN7_V2_Clear();
printf("e-Paper Init Fast\r\n");
EPD_2IN7_V2_Init_Fast();
Paint_NewImage(BlackImage, EPD_2IN7_V2_WIDTH, EPD_2IN7_V2_HEIGHT, 90, WHITE);
printf("Drawing\r\n");
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
printf("show window BMP-----------------\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in7);
EPD_2IN7_V2_Display_Fast(BlackImage);
DEV_Delay_ms(500);
// 2.Drawing on the image
Paint_Clear(WHITE);
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2IN7_V2_Display_Fast(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 //Partial refresh, example shows time
// If you didn't use the EPD_2IN7_V2_Display_Base() function to refresh the image before,
// use the EPD_2IN7_V2_Display_Base_color() function to refresh the background color,
// otherwise the background color will be garbled
EPD_2IN7_V2_Init();
// EPD_2IN7_V2_Display_Base_color(WHITE);
Paint_NewImage(BlackImage, 50, 120, 90, WHITE);
printf("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
Paint_SetScale(2);
Paint_Clear(WHITE);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 15;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_Clear(WHITE);
Paint_DrawRectangle(1, 1, 120, 50, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawTime(10, 15, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
printf("Part refresh...\r\n");
EPD_2IN7_V2_Display_Partial(BlackImage, 60, 134, 110, 254); // Xstart must be a multiple of 8
DEV_Delay_ms(500);
}
#endif
#if 1 // show image for array
free(BlackImage);
printf("show Gray------------------------\r\n");
Imagesize = ((EPD_2IN7_V2_WIDTH % 4 == 0)? (EPD_2IN7_V2_WIDTH / 4 ): (EPD_2IN7_V2_WIDTH / 4 + 1)) * EPD_2IN7_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
EPD_2IN7_V2_Init_4GRAY();
printf("4 grayscale display\r\n");
Paint_NewImage(BlackImage, EPD_2IN7_V2_WIDTH, EPD_2IN7_V2_HEIGHT, 90, WHITE);
Paint_SetScale(4);
Paint_Clear(0xff);
Paint_DrawPoint(10, 80, GRAY4, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, GRAY4, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, GRAY4, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, GRAY2, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, GRAY4, GRAY1);
Paint_DrawString_EN(10, 20, "hello world", &Font12, GRAY3, GRAY1);
Paint_DrawNum(10, 33, 123456789, &Font12, GRAY4, GRAY2);
Paint_DrawNum(10, 50, 987654321, &Font16, GRAY1, GRAY4);
Paint_DrawString_CN(150, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY4, GRAY1);
Paint_DrawString_CN(150, 20,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY3, GRAY2);
Paint_DrawString_CN(150, 40,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY2, GRAY3);
Paint_DrawString_CN(150, 60,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY1, GRAY4);
Paint_DrawString_CN(10, 130, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY1, GRAY4);
EPD_2IN7_V2_4GrayDisplay(BlackImage);
DEV_Delay_ms(3000);
Paint_NewImage(BlackImage, EPD_2IN7_V2_WIDTH, EPD_2IN7_V2_HEIGHT, 0, WHITE);
Paint_SetScale(4);
Paint_Clear(WHITE);
EPD_2IN7_V2_4GrayDisplay(gImage_2in7_4Gray);
DEV_Delay_ms(3000);
#endif
#if 1
EPD_2IN7_V2_Init();
EPD_2IN7_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN7_V2_Sleep();
int key=0;
gpio_set_dir(KEY0, GPIO_IN);
gpio_pull_up(KEY0);//Need to pull up
gpio_set_dir(KEY1, GPIO_IN);
gpio_pull_up(KEY1);//Need to pull up
gpio_set_dir(KEY2, GPIO_IN);
gpio_pull_up(KEY2);//Need to pull up
while(1)
{
if(DEV_Digital_Read(KEY0 ) == 0 && key==0)
{
key=1;
EPD_2IN7_V2_Init();
Paint_DrawBitMap(gImage_2in7);
EPD_2IN7_V2_Display(BlackImage);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY1 ) == 0 && key==0)
{
key=1;
EPD_2IN7_V2_Init_4GRAY();
EPD_2IN7_V2_4GrayDisplay(gImage_2in7_4Gray);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY2 ) == 0 && key==0)
{
key=1;
EPD_2IN7_V2_Init_4GRAY();
EPD_2IN7_V2_4GrayDisplay(gImage_2in7_4Gray_1);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY0 ) == 1&&DEV_Digital_Read(KEY1 ) == 1&&DEV_Digital_Read(KEY2 ) == 1 && key == 1 )
{
key=0;
EPD_2IN7_V2_Init();
EPD_2IN7_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN7_V2_Sleep();
}
}
#endif
printf("Clear...\r\n");
EPD_2IN7_V2_Init();
EPD_2IN7_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN7_V2_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2IN7_test.c
* | Author : Waveshare team
* | Function : 2.9inch e-paper V2 test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2021-06-03
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in7.h"
int EPD_2in7_test(void)
{
printf("EPD_2IN7_test Demo\r\n");
DEV_Module_Init();
printf("e-Paper Init and Clear...\r\n");
EPD_2IN7_Init();
EPD_2IN7_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_2IN7_WIDTH % 8 == 0)? (EPD_2IN7_WIDTH / 8 ): (EPD_2IN7_WIDTH / 8 + 1)) * EPD_2IN7_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN7_WIDTH, EPD_2IN7_HEIGHT, 270, WHITE);
#if 0 // show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in7);
EPD_2IN7_Display(BlackImage);
DEV_Delay_ms(500);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
printf("EPD_Display\r\n");
EPD_2IN7_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
free(BlackImage);
#if 1 // show image for array
printf("show Gray------------------------\r\n");
Imagesize = ((EPD_2IN7_WIDTH % 4 == 0)? (EPD_2IN7_WIDTH / 4 ): (EPD_2IN7_WIDTH / 4 + 1)) * EPD_2IN7_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("4 grayscale display\r\n");
EPD_2IN7_Init_4Gray();
Paint_NewImage(BlackImage, EPD_2IN7_WIDTH, EPD_2IN7_HEIGHT, 270, WHITE);
Paint_SetScale(4);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, GRAY4, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, GRAY4, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, GRAY4, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, GRAY2, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, GRAY4, GRAY1);
Paint_DrawString_EN(10, 20, "hello world", &Font12, GRAY3, GRAY1);
Paint_DrawNum(10, 33, 123456789, &Font12, GRAY4, GRAY2);
Paint_DrawNum(10, 50, 987654321, &Font16, GRAY1, GRAY4);
Paint_DrawString_CN(150, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY4, GRAY1);
Paint_DrawString_CN(150, 20,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY3, GRAY2);
Paint_DrawString_CN(150, 40,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY2, GRAY3);
Paint_DrawString_CN(150, 60,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY1, GRAY4);
Paint_DrawString_CN(10, 130, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY1, GRAY4);
EPD_2IN7_4GrayDisplay(BlackImage);
DEV_Delay_ms(3000);
/*
EPD_2IN7_4GrayDisplay(gImage_2in7_4Gray);
DEV_Delay_ms(3000);*/
#endif
#if 1
EPD_2IN7_Init();
EPD_2IN7_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN7_Sleep();
int key=0;
gpio_set_dir(KEY0, GPIO_IN);
gpio_pull_up(KEY0);//Need to pull up
gpio_set_dir(KEY1, GPIO_IN);
gpio_pull_up(KEY1);//Need to pull up
gpio_set_dir(KEY2, GPIO_IN);
gpio_pull_up(KEY2);//Need to pull up
while(1)
{
if(DEV_Digital_Read(KEY0 ) == 0 && key==0)
{
key=1;
EPD_2IN7_Init();
Paint_DrawBitMap(gImage_2in7);
EPD_2IN7_Display(BlackImage);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY1 ) == 0 && key==0)
{
key=1;
EPD_2IN7_Init_4Gray();
EPD_2IN7_4GrayDisplay(gImage_2in7_4Gray);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY2 ) == 0 && key==0)
{
key=1;
EPD_2IN7_Init_4Gray();
EPD_2IN7_4GrayDisplay(gImage_2in7_4Gray_1);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY0 ) == 1&&DEV_Digital_Read(KEY1 ) == 1&&DEV_Digital_Read(KEY2 ) == 1 && key == 1 )
{
key=0;
EPD_2IN7_Init();
EPD_2IN7_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN7_Sleep();
}
}
#endif
EPD_2IN7_Init();
printf("Clear...\r\n");
EPD_2IN7_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN7_Sleep();
free(BlackImage);
BlackImage = NULL;
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2IN9_V2_test.c
* | Author : Waveshare team
* | Function : 2.9inch e-paper V2 test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-10-20
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in9_V2.h"
int EPD_2in9_V2_test(void)
{
printf("EPD_2IN9_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN9_V2_Init();
EPD_2IN9_V2_Clear();
//Create a new image cache
UBYTE *BlackImage;
// Additional `*2` on the end to account for four-colour images
UWORD Imagesize = ((EPD_2IN9_V2_WIDTH % 8 == 0)? (EPD_2IN9_V2_WIDTH / 8 ): (EPD_2IN9_V2_WIDTH / 8 + 1)) * EPD_2IN9_V2_HEIGHT * 2;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN9_V2_WIDTH, EPD_2IN9_V2_HEIGHT, 90, WHITE);
Paint_SetScale(2); // b&w
Paint_Clear(WHITE);
#if 1 //show image for array
Paint_NewImage(BlackImage, EPD_2IN9_V2_WIDTH, EPD_2IN9_V2_HEIGHT, 90, WHITE);
Paint_SetScale(2); // b&w
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in9);
EPD_2IN9_V2_Display(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 // Drawing on the image
Paint_NewImage(BlackImage, EPD_2IN9_V2_WIDTH, EPD_2IN9_V2_HEIGHT, 90, WHITE);
Paint_SetScale(2); // b&w
printf("Drawing\r\n");
//1.Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
EPD_2IN9_V2_Display_Base(BlackImage);
DEV_Delay_ms(3000);
#endif
#if 1 //Partial refresh, example shows time
Paint_NewImage(BlackImage, EPD_2IN9_V2_WIDTH, EPD_2IN9_V2_HEIGHT, 90, WHITE);
printf("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(150, 80, 150 + Font20.Width * 7, 80 + Font20.Height, WHITE);
Paint_DrawTime(150, 80, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_2IN9_V2_Display_Partial(BlackImage);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
#if 1 //show 4colour image for array
free(BlackImage);
printf("show Gray------------------------\r\n");
Imagesize = ((EPD_2IN9_V2_WIDTH % 4 == 0)? (EPD_2IN9_V2_WIDTH / 4 ): (EPD_2IN9_V2_WIDTH / 4 + 1)) * EPD_2IN9_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
EPD_2IN9_V2_Gray4_Init();
printf("4 grayscale display\r\n");
Paint_NewImage(BlackImage, EPD_2IN9_V2_WIDTH, EPD_2IN9_V2_HEIGHT, 90, WHITE);
Paint_SetScale(4);
Paint_Clear(0xff);
Paint_DrawPoint(10, 80, GRAY4, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, GRAY4, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, GRAY4, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, GRAY2, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, GRAY4, GRAY1);
Paint_DrawString_EN(10, 20, "hello world", &Font12, GRAY3, GRAY1);
Paint_DrawNum(10, 33, 123456789, &Font12, GRAY4, GRAY2);
Paint_DrawNum(10, 50, 987654321, &Font16, GRAY1, GRAY4);
Paint_DrawString_CN(150, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY4, GRAY1);
Paint_DrawString_CN(150, 20,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY3, GRAY2);
Paint_DrawString_CN(150, 40,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY2, GRAY3);
Paint_DrawString_CN(150, 60,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY1, GRAY4);
Paint_DrawString_CN(150, 80, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY1, GRAY4);
EPD_2IN9_V2_4GrayDisplay(BlackImage);
DEV_Delay_ms(3000);
Paint_NewImage(BlackImage, EPD_2IN9_V2_WIDTH, EPD_2IN9_V2_HEIGHT, 0, WHITE);
Paint_SetScale(4);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in9_4gray);
EPD_2IN9_V2_4GrayDisplay(BlackImage);
DEV_Delay_ms(3000);
#endif
printf("Clear...\r\n");
EPD_2IN9_V2_Init();
EPD_2IN9_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN9_V2_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

121
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/*****************************************************************************
* | File : EPD_2in9b_V3_test.c
* | Author : Waveshare team
* | Function : 2.9inch B V3 e-paper test demo
* | Info :
*----------------
* | This version: V1.1
* | Date : 2020-12-03
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in9b_V3.h"
int EPD_2in9b_V3_test(void)
{
printf("EPD_2IN9B_V3_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN9B_V3_Init();
EPD_2IN9B_V3_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_2IN9B_V3_WIDTH % 8 == 0)? (EPD_2IN9B_V3_WIDTH / 8 ): (EPD_2IN9B_V3_WIDTH / 8 + 1)) * EPD_2IN9B_V3_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN9B_V3_WIDTH, EPD_2IN9B_V3_HEIGHT, 270, WHITE);
Paint_NewImage(RYImage, EPD_2IN9B_V3_WIDTH, EPD_2IN9B_V3_HEIGHT, 270, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_2IN9B_V3_Display(gImage_2in9bc_b, gImage_2in9bc_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_2IN9B_V3_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_2IN9B_V3_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN9B_V3_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2in9b_V4_test.c
* | Author : Waveshare team
* | Function : 2.9inch B V4 e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2023-12-18
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in9b_V4.h"
int EPD_2in9b_V4_test(void)
{
printf("EPD_2IN9B_V4_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN9B_V4_Init();
EPD_2IN9B_V4_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_2IN9B_V4_WIDTH % 8 == 0)? (EPD_2IN9B_V4_WIDTH / 8 ): (EPD_2IN9B_V4_WIDTH / 8 + 1)) * EPD_2IN9B_V4_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN9B_V4_WIDTH, EPD_2IN9B_V4_HEIGHT, 270, WHITE);
Paint_NewImage(RYImage, EPD_2IN9B_V4_WIDTH, EPD_2IN9B_V4_HEIGHT, 270, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
EPD_2IN9B_V4_Init_Fast();
printf("show image for array\r\n");
EPD_2IN9B_V4_Display_Fast(gImage_2in9bc_b, gImage_2in9bc_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
EPD_2IN9B_V4_Init();
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
// Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
// Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_2IN9B_V4_Display_Base(BlackImage, RYImage);
// EPD_2IN9B_V4_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
#if 1 //Partial refresh, example shows time
// If you didn't use the EPD_2IN9B_V4_Display_Base() function to refresh the image before,
// use the EPD_2IN9B_V4_Display_Base_color() function to refresh the background color,
// otherwise the background color will be garbled
// EPD_2IN9B_V4_Init();
// EPD_2IN9B_V4_Display_Base(BlackImage, RYImage);
// EPD_2IN9B_V4_Display_Base_color(WHITE);
Paint_NewImage(BlackImage, 50, 120, 270, WHITE);
printf("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
Paint_SetScale(2);
Paint_Clear(WHITE);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 15;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_Clear(WHITE);
Paint_DrawRectangle(1, 1, 120, 50, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawTime(10, 15, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
printf("Part refresh...\r\n");
EPD_2IN9B_V4_Display_Partial(BlackImage, 70, 35, 120, 155); // Xstart must be a multiple of 8
DEV_Delay_ms(500);
}
#endif
printf("Clear...\r\n");
EPD_2IN9B_V4_Init();
EPD_2IN9B_V4_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN9B_V4_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2in9bc_test.c
* | Author : Waveshare team
* | Function : 2.9inch B&C e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-12
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in9bc.h"
int EPD_2in9bc_test(void)
{
printf("EPD_2IN9BC_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN9BC_Init();
EPD_2IN9BC_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_2IN9BC_WIDTH % 8 == 0)? (EPD_2IN9BC_WIDTH / 8 ): (EPD_2IN9BC_WIDTH / 8 + 1)) * EPD_2IN9BC_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN9BC_WIDTH, EPD_2IN9BC_HEIGHT, 270, WHITE);
Paint_NewImage(RYImage, EPD_2IN9BC_WIDTH, EPD_2IN9BC_HEIGHT, 270, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_2IN9BC_Display(gImage_2in9bc_b, gImage_2in9bc_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_2IN9BC_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_2IN9BC_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN9BC_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_2in9d_test.c
* | Author : Waveshare team
* | Function : 2.9inch e-paper d test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-13
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_2in9d.h"
int EPD_2in9d_test(void)
{
printf("EPD_2IN9D_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_2IN9D_Init();
EPD_2IN9D_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_2IN9D_WIDTH % 8 == 0)? (EPD_2IN9D_WIDTH / 8 ): (EPD_2IN9D_WIDTH / 8 + 1)) * EPD_2IN9D_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_2IN9D_WIDTH, EPD_2IN9D_HEIGHT, 270, WHITE);
#if 1 //show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_2in9);
EPD_2IN9D_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
printf("EPD_Display\r\n");
EPD_2IN9D_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 //Partial refresh, example shows time
printf("Partial refresh\r\n");
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 20;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(150, 80, 150 + Font20.Width * 7, 80 + Font20.Height, WHITE);
Paint_DrawTime(150, 80, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_2IN9D_DisplayPart(BlackImage);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
printf("Clear...\r\n");
// EPD_2IN9D_Init();
EPD_2IN9D_Clear();
printf("Goto Sleep...\r\n");
EPD_2IN9D_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_3IN7_test.c
* | Author : Waveshare team
* | Function : 3.7inch e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-07-16
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_3in7.h"
int EPD_3in7_test(void)
{
printf("EPD_3IN7_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_3IN7_4Gray_Init();
EPD_3IN7_4Gray_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_3IN7_WIDTH % 4 == 0)? (EPD_3IN7_WIDTH / 4 ): (EPD_3IN7_WIDTH / 4 + 1)) * EPD_3IN7_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_3IN7_WIDTH, EPD_3IN7_HEIGHT, 90, WHITE);
Paint_SetScale(4);
Paint_Clear(WHITE);
#if 1 // Drawing on the image, partial display
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_SetScale(4);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_EN(10, 150, "GRAY1 with black background", &Font24, BLACK, GRAY1);
Paint_DrawString_EN(10, 175, "GRAY2 with white background", &Font24, WHITE, GRAY2);
Paint_DrawString_EN(10, 200, "GRAY3 with white background", &Font24, WHITE, GRAY3);
Paint_DrawString_EN(10, 225, "GRAY4 with white background", &Font24, WHITE, GRAY4);
printf("EPD_Display\r\n");
EPD_3IN7_4Gray_Display(BlackImage);
DEV_Delay_ms(4000);
#endif
#if 1 // partial update, just 1 Gray mode
Paint_NewImage(BlackImage, 50, 120, 90, WHITE);
EPD_3IN7_1Gray_Init(); //init 1 Gray mode
EPD_3IN7_1Gray_Clear();
Paint_SelectImage(BlackImage);
Paint_SetScale(2);
Paint_Clear(WHITE);
printf("show time, partial update, just 1 Gary mode\r\n");
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 15;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_Clear(WHITE);
Paint_DrawRectangle(1, 1, 120, 50, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawTime(10, 15, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
printf("Part refresh...\r\n");
EPD_3IN7_1Gray_Display_Part(BlackImage, 210, 340, 260, 460); // Xstart must be a multiple of 8
DEV_Delay_ms(500);
}
#endif
EPD_3IN7_4Gray_Init();
printf("Clear...\r\n");
EPD_3IN7_4Gray_Clear();
// Sleep & close 5V
printf("Goto Sleep...\r\n");
EPD_3IN7_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_4in2_V2_test.c
* | Author : Waveshare team
* | Function : 4.2inch e-paper V2 test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2023-09-12
* | Info :
* -----------------------------------------------------------------------------
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_4in2_V2.h"
#include <string.h>
int EPD_4in2_V2_test(void)
{
printf("EPD_4IN2_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_4IN2_V2_Init();
EPD_4IN2_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_4IN2_V2_WIDTH % 8 == 0)? (EPD_4IN2_V2_WIDTH / 8 ): (EPD_4IN2_V2_WIDTH / 8 + 1)) * EPD_4IN2_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_4IN2_V2_WIDTH, EPD_4IN2_V2_HEIGHT, 0, WHITE);
#if 1 // show bmp
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_4in2);
EPD_4IN2_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 0 // show image for array
EPD_4IN2_V2_Init_Fast(Seconds_1S);
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_4in2);
EPD_4IN2_V2_Display_Fast(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
EPD_4IN2_V2_Init();
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0, " ???abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "??????", &Font24CN, WHITE, BLACK);
printf("EPD_Display\r\n");
// EPD_4IN2_V2_Display(BlackImage);
EPD_4IN2_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1
printf("Partial refresh\r\n");
Paint_NewImage(BlackImage, 120, 50, 0, WHITE);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_Clear(WHITE);
Paint_DrawRectangle(1, 1, 120, 50, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawTime(10, 15, &sPaint_time, &Font20, WHITE, BLACK);
EPD_4IN2_V2_PartialDisplay(BlackImage, 200, 80, 320, 130);
DEV_Delay_ms(500);//Analog clock 1s
num = num - 1;
if(num == 0) {
break;
}
}
#endif
#if 1
// EPD_4IN2_V2_Init();
// EPD_4IN2_V2_Clear();
EPD_4IN2_V2_Init_4Gray();
printf("show Gray------------------------\r\n");
free(BlackImage);
BlackImage = NULL;
Imagesize = ((EPD_4IN2_V2_WIDTH % 8 == 0)? (EPD_4IN2_V2_WIDTH / 4 ): (EPD_4IN2_V2_WIDTH / 4 + 1)) * EPD_4IN2_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
Paint_NewImage(BlackImage, EPD_4IN2_V2_WIDTH, EPD_4IN2_V2_HEIGHT, 0, WHITE);
Paint_SetScale(4);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(140, 0, "???abc", &Font12CN, GRAY1, GRAY4);
Paint_DrawString_CN(140, 40, "???abc", &Font12CN, GRAY2, GRAY3);
Paint_DrawString_CN(140, 80, "???abc", &Font12CN, GRAY3, GRAY2);
Paint_DrawString_CN(140, 120, "???abc", &Font12CN, GRAY4, GRAY1);
Paint_DrawString_CN(220, 0, "??????", &Font24CN, GRAY1, GRAY4);
Paint_DrawString_CN(220, 40, "??????", &Font24CN, GRAY2, GRAY3);
Paint_DrawString_CN(220, 80, "??????", &Font24CN, GRAY3, GRAY2);
Paint_DrawString_CN(220, 120, "??????", &Font24CN, GRAY4, GRAY1);
EPD_4IN2_V2_Display_4Gray(BlackImage);
DEV_Delay_ms(2000);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_4in2_4Gray1);
EPD_4IN2_V2_Display_4Gray(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 0
free(BlackImage);
BlackImage = NULL;
Imagesize = ((EPD_4IN2_V2_WIDTH % 8 == 0)? (EPD_4IN2_V2_WIDTH / 4 ): (EPD_4IN2_V2_WIDTH / 4 + 1)) * EPD_4IN2_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
Paint_NewImage(BlackImage, EPD_4IN2_V2_WIDTH, EPD_4IN2_V2_HEIGHT, 0, WHITE);
Paint_SetScale(4);
Paint_Clear(WHITE);
int key=0;
gpio_set_dir(KEY0, GPIO_IN);
gpio_pull_up(KEY0);//Need to pull up
gpio_set_dir(KEY1, GPIO_IN);
gpio_pull_up(KEY1);//Need to pull up
while(1)
{
if(DEV_Digital_Read(KEY0 ) == 0 && key==0)
{
key=1;
EPD_4IN2_V2_Init();
Paint_DrawBitMap(gImage_4in2);
EPD_4IN2_V2_Display(BlackImage);
DEV_Delay_ms(2000);
}
if(DEV_Digital_Read(KEY1 ) == 0 && key==0)
{
key=1;
EPD_4IN2_V2_Init_4Gray();
Paint_DrawBitMap(gImage_4in2_4Gray1);
EPD_4IN2_V2_Display_4Gray(BlackImage);
DEV_Delay_ms(2000);
}
if(DEV_Digital_Read(KEY0 ) == 1 && DEV_Digital_Read(KEY1 ) == 1 && key == 1 )
{
key=0;
EPD_4IN2_V2_Init();
EPD_4IN2_V2_Clear();
}
}
#endif
EPD_4IN2_V2_Init();
EPD_4IN2_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_4IN2_V2_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_4in2_test.c
* | Author : Waveshare team
* | Function : 4.2inch e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-13
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_4in2.h"
#include <string.h>
int EPD_4in2_test(void)
{
printf("EPD_4IN2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_4IN2_Init_Fast();
EPD_4IN2_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_4IN2_WIDTH % 8 == 0)? (EPD_4IN2_WIDTH / 8 ): (EPD_4IN2_WIDTH / 8 + 1)) * EPD_4IN2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_4IN2_WIDTH, EPD_4IN2_HEIGHT, 0, WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_4in2);
EPD_4IN2_Display(BlackImage);
DEV_Delay_ms(500);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0, "<EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
printf("EPD_Display\r\n");
EPD_4IN2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 0
printf("Support for partial refresh, but the refresh effect is not good, but it is not recommended\r\n");
printf("Partial refresh\r\n");
EPD_4IN2_Init_Partial();
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 20;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(150, 80, 150 + Font20.Width * 7, 80 + Font20.Height, WHITE);
Paint_DrawTime(150, 80, &sPaint_time, &Font20, WHITE, BLACK);
EPD_4IN2_PartialDisplay(150, 80, 150 + Font20.Width * 7, 80 + Font20.Height, BlackImage);
DEV_Delay_ms(500);//Analog clock 1s
num = num - 1;
if(num == 0) {
break;
}
}
#endif
EPD_4IN2_Init_4Gray();
printf("show Gray------------------------\r\n");
free(BlackImage);
BlackImage = NULL;
Imagesize = ((EPD_4IN2_WIDTH % 8 == 0)? (EPD_4IN2_WIDTH / 4 ): (EPD_4IN2_WIDTH / 4 + 1)) * EPD_4IN2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
Paint_NewImage(BlackImage, EPD_4IN2_WIDTH, EPD_4IN2_HEIGHT, 0, WHITE);
Paint_SetScale(4);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(140, 0, "<EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY1, GRAY4);
Paint_DrawString_CN(140, 40, "<EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY2, GRAY3);
Paint_DrawString_CN(140, 80, "<EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY3, GRAY2);
Paint_DrawString_CN(140, 120, "<EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY4, GRAY1);
Paint_DrawString_CN(220, 0, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY1, GRAY4);
Paint_DrawString_CN(220, 40, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY2, GRAY3);
Paint_DrawString_CN(220, 80, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY3, GRAY2);
Paint_DrawString_CN(220, 120, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY4, GRAY1);
EPD_4IN2_4GrayDisplay(BlackImage);
DEV_Delay_ms(500);
EPD_4IN2_Clear();
#if 0
int key=0;
gpio_set_dir(KEY0, GPIO_IN);
gpio_pull_up(KEY0);//Need to pull up
gpio_set_dir(KEY1, GPIO_IN);
gpio_pull_up(KEY1);//Need to pull up
while(1)
{
if(DEV_Digital_Read(KEY0 ) == 0 && key==0)
{
key=1;
EPD_4IN2_Init();
Paint_DrawBitMap(gImage_4in2);
EPD_4IN2_Display(BlackImage);
DEV_Delay_ms(2000);
}
if(DEV_Digital_Read(KEY1 ) == 0 && key==0)
{
key=1;
EPD_4IN2_Init_4Gray();
EPD_4IN2_4GrayDisplay(gImage_4in2_4Gray);
DEV_Delay_ms(2000);
}
if(DEV_Digital_Read(KEY0 ) == 1 && DEV_Digital_Read(KEY1 ) == 1 && key == 1 )
{
key=0;
EPD_4IN2_Clear();
}
}
#endif
EPD_4IN2_Init_Fast();
EPD_4IN2_Clear();
printf("Goto Sleep...\r\n");
EPD_4IN2_Sleep();
free(BlackImage);
BlackImage = NULL;
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_4in2b_V2_test.c
* | Author : Waveshare team
* | Function : 4.2inch B V2 e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-11-25
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_4in2b_V2.h"
int EPD_4in2b_V2_test(void)
{
printf("EPD_4IN2B_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_4IN2B_V2_Init();
EPD_4IN2B_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_4IN2B_V2_WIDTH % 8 == 0)? (EPD_4IN2B_V2_WIDTH / 8 ): (EPD_4IN2B_V2_WIDTH / 8 + 1)) * EPD_4IN2B_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_4IN2B_V2_WIDTH, EPD_4IN2B_V2_HEIGHT, 180, WHITE);
Paint_NewImage(RYImage, EPD_4IN2B_V2_WIDTH, EPD_4IN2B_V2_HEIGHT, 180, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_4IN2B_V2_Display(gImage_4in2bc_b, gImage_4in2bc_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
printf("Draw black image\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
printf("Draw red image\r\n");
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_4IN2B_V2_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
EPD_4IN2B_V2_Clear();
#endif
#if 1
int key=0;
gpio_set_dir(KEY0, GPIO_IN);
gpio_pull_up(KEY0);//Need to pull up
gpio_set_dir(KEY1, GPIO_IN);
gpio_pull_up(KEY1);//Need to pull up
while(1)
{
if(DEV_Digital_Read(KEY0 ) == 0 && key==0)
{
key=1;
printf("show image for array\r\n");
EPD_4IN2B_V2_Display(gImage_4in2bc_b, gImage_4in2bc_ry);
DEV_Delay_ms(2000);
}
if(DEV_Digital_Read(KEY1 ) == 0 && key==0)
{
key=1;
//1.Draw black image
printf("Draw black image\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
printf("Draw red image\r\n");
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_4IN2B_V2_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
}
if(DEV_Digital_Read(KEY0 ) == 1 && DEV_Digital_Read(KEY1 ) == 1 && key == 1 )
{
key=0;
EPD_4IN2B_V2_Clear();
}
}
#endif
printf("Clear...\r\n");
EPD_4IN2B_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_4IN2B_V2_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

122
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/*****************************************************************************
* | File : EPD_4in2b_V2_test.c
* | Author : Waveshare team
* | Function : 4.2inch B V2 e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-04-23
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_4in2b_V2_old.h"
int EPD_4in2b_V2_test_old(void)
{
printf("EPD_4IN2B_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_4IN2B_V2_Init_1();
EPD_4IN2B_V2_Clear_1();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage; // Red or Yellow
UWORD Imagesize = ((EPD_4IN2B_V2_WIDTH % 8 == 0)? (EPD_4IN2B_V2_WIDTH / 8 ): (EPD_4IN2B_V2_WIDTH / 8 + 1)) * EPD_4IN2B_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_4IN2B_V2_WIDTH, EPD_4IN2B_V2_HEIGHT, 180, WHITE);
Paint_NewImage(RYImage, EPD_4IN2B_V2_WIDTH, EPD_4IN2B_V2_HEIGHT, 180, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_4IN2B_V2_Display_1(gImage_4in2bc_b, gImage_4in2bc_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
printf("Draw black image\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
printf("Draw red image\r\n");
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_4IN2B_V2_Display_1(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_4IN2B_V2_Clear_1();
printf("Goto Sleep...\r\n");
EPD_4IN2B_V2_Sleep_1();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

195
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/*****************************************************************************
* | File : EPD_2IN9_V2_test.c
* | Author : Waveshare team
* | Function : 2.9inch e-paper V2 test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2021-06-03
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_5in65f.h"
#include "EPD_Test.h"
int EPD_5in65f_test(void)
{
printf("EPD_5in65F_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_5IN65F_Init();
EPD_5IN65F_Clear(EPD_5IN65F_WHITE);
DEV_Delay_ms(100);
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UDOUBLE Imagesize = ((EPD_5IN65F_WIDTH % 2 == 0)? (EPD_5IN65F_WIDTH / 2 ): (EPD_5IN65F_WIDTH / 2 + 1)) * EPD_5IN65F_HEIGHT;
Imagesize = Imagesize/4;
printf("Not enough memory, only part of the window is displayed\r\n");
printf("Imagesize %d\r\n",Imagesize);
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
Paint_NewImage(BlackImage, EPD_5IN65F_WIDTH/2, EPD_5IN65F_HEIGHT/2, 0, EPD_5IN65F_WHITE);
Paint_SetScale(7);
#if 0
printf("show image for array\r\n");
EPD_5IN65F_Display(flagimage);
DEV_Delay_ms(4000);
#endif
#if 0
EPD_5IN65F_Display(gImage_5in65f);
//EPD_5IN65F_Display_part(gImage_5in65f, 204, 153, 192, 143);
DEV_Delay_ms(5000);
#endif
#if 1
Paint_Clear(EPD_5IN65F_GREEN);
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(10, 120, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_BLACK, WHITE);
Paint_DrawString_CN(10, 140, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_GREEN, WHITE);
Paint_DrawString_CN(10, 160, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_BLUE, WHITE);
Paint_DrawString_CN(10, 180, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_RED, WHITE);
Paint_DrawString_CN(10, 200, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_ORANGE, WHITE);
Paint_DrawString_CN(150, 0, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, WHITE, BLACK);
Paint_DrawString_CN(150, 40, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_GREEN, BLACK);
Paint_DrawString_CN(150, 80, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_BLUE, BLACK);
Paint_DrawString_CN(150, 120, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_RED, BLACK);
Paint_DrawString_CN(150, 160, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_YELLOW, BLACK);
EPD_5IN65F_Display_part(BlackImage, 0, 0, 300, 224);
DEV_Delay_ms(2000);
EPD_5IN65F_Clear(EPD_5IN65F_WHITE);
#endif
#if 1
int key=0;
gpio_set_dir(KEY0, GPIO_IN);
gpio_pull_up(KEY0);//Need to pull up
gpio_set_dir(KEY1, GPIO_IN);
gpio_pull_up(KEY1);//Need to pull up
gpio_set_dir(KEY2, GPIO_IN);
gpio_pull_up(KEY2);//Need to pull up
while(1)
{
if(DEV_Digital_Read(KEY0 ) == 0 && key==0)
{
key=1;
EPD_5IN65F_Display(flagimage);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY1 ) == 0 && key==0)
{
key=1;
EPD_5IN65F_Display(gImage_5in65f);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY2 ) == 0 && key==0)
{
key=1;
Paint_Clear(EPD_5IN65F_GREEN);
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(10, 120, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_BLACK, WHITE);
Paint_DrawString_CN(10, 140, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_GREEN, WHITE);
Paint_DrawString_CN(10, 160, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_BLUE, WHITE);
Paint_DrawString_CN(10, 180, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_RED, WHITE);
Paint_DrawString_CN(10, 200, "<EFBFBD>A<EFBFBD>nabc", &Font12CN, EPD_5IN65F_ORANGE, WHITE);
Paint_DrawString_CN(150, 0, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, WHITE, BLACK);
Paint_DrawString_CN(150, 40, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_GREEN, BLACK);
Paint_DrawString_CN(150, 80, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_BLUE, BLACK);
Paint_DrawString_CN(150, 120, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_RED, BLACK);
Paint_DrawString_CN(150, 160, "<EFBFBD>L<EFBFBD><EFBFBD>?<3F>l", &Font24CN, EPD_5IN65F_YELLOW, BLACK);
EPD_5IN65F_Display_part(BlackImage, 0, 0, 300, 224);
DEV_Delay_ms(3000);
}
if(DEV_Digital_Read(KEY0 ) == 1&&DEV_Digital_Read(KEY1 ) == 1&&DEV_Digital_Read(KEY2 ) == 1 && key == 1 )
{
key=0;
EPD_5IN65F_Clear(EPD_5IN65F_WHITE);
}
}
#endif
printf("e-Paper Clear...\r\n");
EPD_5IN65F_Clear(EPD_5IN65F_WHITE);
DEV_Delay_ms(1000);
EPD_5IN65F_Sleep();
free(BlackImage);
BlackImage = NULL;
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

110
lib/Pico_ePaper_Code/c/examples/EPD_5in83_V2_test.c Normal file
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/*****************************************************************************
* | File : EPD_5in83_V2_test.c
* | Author : Waveshare team
* | Function : 5.83inch e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-11-23
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_5in83_V2.h"
int EPD_5in83_V2_test(void)
{
printf("EPD_5IN83_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_5in83_V2_Init();
EPD_5in83_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_5in83_V2_WIDTH % 8 == 0)? (EPD_5in83_V2_WIDTH / 8 ): (EPD_5in83_V2_WIDTH / 8 + 1)) * EPD_5in83_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_5in83_V2_WIDTH, EPD_5in83_V2_HEIGHT, 180, WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_5in83_V2);
EPD_5in83_V2_Display(BlackImage);
DEV_Delay_ms(500);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
printf("EPD_Display\r\n");
EPD_5in83_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_5in83_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_5in83_V2_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_5in83b_V2_test.c
* | Author : Waveshare team
* | Function : 5.83inch B V2 e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-07-04
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_5in83b_V2.h"
int EPD_5in83b_V2_test(void)
{
printf("EPD_5in83b_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_5IN83B_V2_Init();
EPD_5IN83B_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage;
UWORD Imagesize = ((EPD_5IN83B_V2_WIDTH % 8 == 0)? (EPD_5IN83B_V2_WIDTH / 8 ): (EPD_5IN83B_V2_WIDTH / 8 + 1)) * EPD_5IN83B_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_5IN83B_V2_WIDTH, EPD_5IN83B_V2_HEIGHT, 0, WHITE);
Paint_NewImage(RYImage, EPD_5IN83B_V2_WIDTH, EPD_5IN83B_V2_HEIGHT, 0, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_5IN83B_V2_Display(gImage_5in83b_V2_b, gImage_5in83b_V2_r);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_5IN83B_V2_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_5IN83B_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_5IN83B_V2_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_7in5_V2_test.c
* | Author : Waveshare team
* | Function : 7.5inch e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-13
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_7in5_V2.h"
int EPD_7in5_V2_test(void)
{
printf("EPD_7IN5_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_7IN5_V2_Init();
EPD_7IN5_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UDOUBLE Imagesize = ((EPD_7IN5_V2_WIDTH % 8 == 0)? (EPD_7IN5_V2_WIDTH / 8 ): (EPD_7IN5_V2_WIDTH / 8 + 1)) * EPD_7IN5_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_7IN5_V2_WIDTH, EPD_7IN5_V2_HEIGHT, 0, WHITE);
#if 1 // show image for array
EPD_7IN5_V2_Init_Fast();
printf("show image for array\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawBitMap(gImage_7in5_V2);
EPD_7IN5_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
//1.Select Image
EPD_7IN5_V2_Init();
printf("SelectImage:BlackImage\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0, " <20><><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
printf("EPD_Display\r\n");
EPD_7IN5_V2_Display(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 //Partial refresh, example shows time
EPD_7IN5_V2_Init_Part();
Paint_NewImage(BlackImage, Font20.Width * 7, Font20.Height, 0, WHITE);
Debug("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(0, 0, Font20.Width * 7, Font20.Height, WHITE);
Paint_DrawTime(0, 0, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_7IN5_V2_Display_Part(BlackImage, 150, 80, 150 + Font20.Width * 7, 80 + Font20.Height);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
/*
The feature will only be available on screens sold after 24/10/23
*/
#if 1 // show image for array
free(BlackImage);
printf("show Gray------------------------\r\n");
Imagesize = ((EPD_7IN5_V2_WIDTH % 4 == 0)? (EPD_7IN5_V2_WIDTH / 4 ): (EPD_7IN5_V2_WIDTH / 4 + 1)) * EPD_7IN5_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
while (1);
}
EPD_7IN5_V2_Init_4Gray();
printf("4 grayscale display\r\n");
Paint_NewImage(BlackImage, EPD_7IN5_V2_WIDTH, EPD_7IN5_V2_HEIGHT, 0, WHITE);
Paint_SetScale(4);
Paint_Clear(0xff);
Paint_DrawPoint(10, 80, GRAY4, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, GRAY4, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, GRAY4, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, GRAY4, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, GRAY2, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, GRAY4, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, GRAY4, GRAY1);
Paint_DrawString_EN(10, 20, "hello world", &Font12, GRAY3, GRAY1);
Paint_DrawNum(10, 33, 123456789, &Font12, GRAY4, GRAY2);
Paint_DrawNum(10, 50, 987654321, &Font16, GRAY1, GRAY4);
Paint_DrawString_CN(150, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY4, GRAY1);
Paint_DrawString_CN(150, 20,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY3, GRAY2);
Paint_DrawString_CN(150, 40,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY2, GRAY3);
Paint_DrawString_CN(150, 60,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, GRAY1, GRAY4);
Paint_DrawString_CN(10, 130, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, GRAY1, GRAY4);
EPD_7IN5_V2_Display_4Gray(BlackImage);
DEV_Delay_ms(3000);
#endif
printf("Clear...\r\n");
EPD_7IN5_V2_Init();
EPD_7IN5_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_7IN5_V2_Sleep();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

149
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/*****************************************************************************
* | File : EPD_7in5_V2_test.c
* | Author : Waveshare team
* | Function : 7.5inch e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2023-12-18
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_7in5_V2_old.h"
int EPD_7in5_V2_test_old(void)
{
printf("EPD_7IN5_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_7IN5_V2_Init_old();
EPD_7IN5_V2_Clear_old();
DEV_Delay_ms(500);
//Create a new image cache
UBYTE *BlackImage;
/* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
UWORD Imagesize = ((EPD_7IN5_V2_WIDTH % 8 == 0)? (EPD_7IN5_V2_WIDTH / 8 ): (EPD_7IN5_V2_WIDTH / 8 + 1)) * EPD_7IN5_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
printf("Paint_NewImage\r\n");
Paint_NewImage(BlackImage, EPD_7IN5_V2_WIDTH, EPD_7IN5_V2_HEIGHT, 0, WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_7IN5_V2_Init_Fast_old();
EPD_7IN5_V2_Display_old(gImage_7in5_V2);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
//1.Select Image
printf("SelectImage:BlackImage\r\n");
EPD_7IN5_V2_Init_old();
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
// 2.Drawing on the image
printf("Drawing:BlackImage\r\n");
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawCircle(45, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(105, 95, 20, WHITE, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
Paint_DrawString_CN(130, 0, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
printf("EPD_Display\r\n");
EPD_7IN5_V2_Display_old(BlackImage);
DEV_Delay_ms(2000);
#endif
#if 1 //Partial refresh, example shows time
EPD_7IN5_V2_Init_Partial_old();
Paint_NewImage(BlackImage, Font20.Width * 7, Font20.Height, 0, WHITE);
printf("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(0, 0, Font20.Width * 7, Font20.Height, WHITE);
Paint_DrawTime(0, 0, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_7IN5_V2_Display_Partial_old(BlackImage, 150, 80, 150 + Font20.Width * 7, 80 + Font20.Height);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
printf("Clear...\r\n");
EPD_7IN5_V2_Init_old();
EPD_7IN5_V2_Clear_old();
printf("Goto Sleep...\r\n");
EPD_7IN5_V2_Sleep_old();
free(BlackImage);
BlackImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

163
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/*****************************************************************************
* | File : EPD_7in5b_V2_test.c
* | Author : Waveshare team
* | Function : 7.5inch B e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-11-30
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_7in5b_V2.h"
int EPD_7in5b_V2_test(void)
{
printf("EPD_7IN5B_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_7IN5B_V2_Init();
EPD_7IN5B_V2_Clear();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage;
UWORD Imagesize = ((EPD_7IN5B_V2_WIDTH % 8 == 0)? (EPD_7IN5B_V2_WIDTH / 8 ): (EPD_7IN5B_V2_WIDTH / 8 + 1)) * EPD_7IN5B_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_7IN5B_V2_WIDTH, EPD_7IN5B_V2_HEIGHT , 0, WHITE);
Paint_NewImage(RYImage, EPD_7IN5B_V2_WIDTH, EPD_7IN5B_V2_HEIGHT , 0, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_7IN5B_V2_Display(gImage_7in5_V2_b, gImage_7in5_V2_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "微雪电子", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"你好Abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_7IN5B_V2_Display(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
#if 1 //Partial refresh, example shows time
EPD_7IN5B_V2_Init_Part();
EPD_7IN5B_V2_Display_Base_color(WHITE);
Paint_NewImage(BlackImage, Font20.Width * 7, Font20.Height, 0, WHITE);
Debug("Partial refresh\r\n");
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
PAINT_TIME sPaint_time;
sPaint_time.Hour = 12;
sPaint_time.Min = 34;
sPaint_time.Sec = 56;
UBYTE num = 10;
for (;;) {
sPaint_time.Sec = sPaint_time.Sec + 1;
if (sPaint_time.Sec == 60) {
sPaint_time.Min = sPaint_time.Min + 1;
sPaint_time.Sec = 0;
if (sPaint_time.Min == 60) {
sPaint_time.Hour = sPaint_time.Hour + 1;
sPaint_time.Min = 0;
if (sPaint_time.Hour == 24) {
sPaint_time.Hour = 0;
sPaint_time.Min = 0;
sPaint_time.Sec = 0;
}
}
}
Paint_ClearWindows(0, 0, Font20.Width * 7, Font20.Height, WHITE);
Paint_DrawTime(0, 0, &sPaint_time, &Font20, WHITE, BLACK);
num = num - 1;
if(num == 0) {
break;
}
EPD_7IN5B_V2_Display_Partial(BlackImage, 10, 130, 10 + Font20.Width * 7, 130 + Font20.Height);
DEV_Delay_ms(500);//Analog clock 1s
}
#endif
printf("Clear...\r\n");
EPD_7IN5B_V2_Init();
EPD_7IN5B_V2_Clear();
printf("Goto Sleep...\r\n");
EPD_7IN5B_V2_Sleep();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_7in5b_V2_test.c
* | Author : Waveshare team
* | Function : 5.83inch B&C e-paper test demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-11-30
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#include "EPD_Test.h"
#include "EPD_7in5b_V2_old.h"
int EPD_7in5b_V2_test_old(void)
{
printf("EPD_7IN5B_V2_test Demo\r\n");
if(DEV_Module_Init()!=0){
return -1;
}
printf("e-Paper Init and Clear...\r\n");
EPD_7IN5B_V2_Init_old();
EPD_7IN5B_V2_Clear_old();
DEV_Delay_ms(500);
//Create a new image cache named IMAGE_BW and fill it with white
UBYTE *BlackImage, *RYImage;
UWORD Imagesize = ((EPD_7IN5B_V2_WIDTH % 8 == 0)? (EPD_7IN5B_V2_WIDTH / 8 ): (EPD_7IN5B_V2_WIDTH / 8 + 1)) * EPD_7IN5B_V2_HEIGHT;
if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for black memory...\r\n");
return -1;
}
if((RYImage = (UBYTE *)malloc(Imagesize)) == NULL) {
printf("Failed to apply for red memory...\r\n");
return -1;
}
printf("NewImage:BlackImage and RYImage\r\n");
Paint_NewImage(BlackImage, EPD_7IN5B_V2_WIDTH, EPD_7IN5B_V2_HEIGHT , 0, WHITE);
Paint_NewImage(RYImage, EPD_7IN5B_V2_WIDTH, EPD_7IN5B_V2_HEIGHT , 0, WHITE);
//Select Image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
#if 1 // show image for array
printf("show image for array\r\n");
EPD_7IN5B_V2_Display_old(gImage_7in5_V2_b, gImage_7in5_V2_ry);
DEV_Delay_ms(2000);
#endif
#if 1 // Drawing on the image
/*Horizontal screen*/
//1.Draw black image
Paint_SelectImage(BlackImage);
Paint_Clear(WHITE);
Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
Paint_DrawLine(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawLine(70, 70, 20, 120, BLACK, DOT_PIXEL_1X1, LINE_STYLE_SOLID);
Paint_DrawRectangle(20, 70, 70, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawRectangle(80, 70, 130, 120, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);
Paint_DrawString_CN(130, 20, "΢ѩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>", &Font24CN, WHITE, BLACK);
Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
//2.Draw red image
Paint_SelectImage(RYImage);
Paint_Clear(WHITE);
Paint_DrawCircle(160, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
Paint_DrawCircle(210, 95, 20, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
Paint_DrawLine(85, 95, 125, 95, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawLine(105, 75, 105, 115, BLACK, DOT_PIXEL_1X1, LINE_STYLE_DOTTED);
Paint_DrawString_CN(130, 0,"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>abc", &Font12CN, BLACK, WHITE);
Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
printf("EPD_Display\r\n");
EPD_7IN5B_V2_Display_old(BlackImage, RYImage);
DEV_Delay_ms(2000);
#endif
printf("Clear...\r\n");
EPD_7IN5B_V2_Clear_old();
printf("Goto Sleep...\r\n");
EPD_7IN5B_V2_Sleep_old();
free(BlackImage);
free(RYImage);
BlackImage = NULL;
RYImage = NULL;
DEV_Delay_ms(2000);//important, at least 2s
// close 5V
printf("close 5V, Module enters 0 power consumption ...\r\n");
DEV_Module_Exit();
return 0;
}

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/*****************************************************************************
* | File : EPD_Test.h
* | Author : Waveshare team
* | Function : e-Paper test Demo
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-11
* | Info :
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#ifndef _EPD_TEST_H_
#define _EPD_TEST_H_
#include "DEV_Config.h"
#include "GUI_Paint.h"
#include "ImageData.h"
#include "Debug.h"
#include <stdlib.h> // malloc() free()
int EPD_2in9_V2_test(void);
int EPD_2in9bc_test(void);
int EPD_2in9b_V3_test(void);
int EPD_2in9b_V4_test(void);
int EPD_2in9d_test(void);
int EPD_2in13_V2_test(void);
int EPD_2in13_V3_test(void);
int EPD_2in13_V4_test(void);
int EPD_2in13bc_test(void);
int EPD_2in13b_V3_test(void);
int EPD_2in13b_V4_test(void);
int EPD_2in13d_test(void);
int EPD_2in66_test(void);
int EPD_2in66b_test(void);
int EPD_2in7_test(void);
int EPD_2in7_V2_test(void);
int EPD_3in7_test(void);
int EPD_4in2_test(void);
int EPD_4in2_V2_test(void);
int EPD_4in2b_V2_test(void);
int EPD_4in2b_V2_test_old(void);
int EPD_5in65f_test(void);
int EPD_5in83_V2_test(void);
int EPD_5in83b_V2_test(void);
int EPD_7in5_V2_test(void);
int EPD_7in5_V2_test_old(void);
int EPD_7in5b_V2_test(void);
int EPD_7in5b_V2_test_old(void);
#endif

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/*****************************************************************************
* | File : ImageData.h
* | Author : Waveshare team
* | Function :
*----------------
* | This version: V1.0
* | Date : 2018-10-23
* | Info :
*
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documnetation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
******************************************************************************/
#ifndef _IMAGEDATA_H_
#define _IMAGEDATA_H_
extern const unsigned char flagimage[];
extern const unsigned char gImage_2in13_2[];
extern const unsigned char gImage_2in9[];
extern const unsigned char gImage_2in9_4gray[];
extern const unsigned char gImage_2in9bc_b[];
extern const unsigned char gImage_2in9bc_ry[];
extern const unsigned char gImage_2in13[];
extern const unsigned char gImage_2in13b_V4b[];
extern const unsigned char gImage_2in13b_V4r[];
extern const unsigned char gImage_2in13b_b[];
extern const unsigned char gImage_2in13b_r[];
extern const unsigned char gImage_2in13c_b[];
extern const unsigned char gImage_2in13c_y[];
extern const unsigned char gImage_2in13d[];
extern const unsigned char gImage_2in66[];
extern const unsigned char gImage_2in66br[];
extern const unsigned char gImage_2in66bb[];
extern const unsigned char gImage_2in7[];
extern const unsigned char gImage_2in7b_Black[5808];
extern const unsigned char gImage_2in7b_Red[5808];
extern const unsigned char gImage_2in7b_Black_V2[5808];
extern const unsigned char gImage_2in7b_Red_V2[5808];
extern const unsigned char gImage_2in7_4Gray[];
extern const unsigned char gImage_2in7_4Gray_1[];
extern const unsigned char gImage_4in2[];
extern const unsigned char gImage_4in2_4Gray[];
extern const unsigned char gImage_4in2_4Gray1[];
extern const unsigned char gImage_4in2bc_b[];
extern const unsigned char gImage_4in2bc_ry[];
extern const unsigned char gImage_5in65f[];
extern const unsigned char gImage_5in83_V2[];
extern const unsigned char gImage_5in83b_V2_b[];
extern const unsigned char gImage_5in83b_V2_r[];
extern const unsigned char gImage_7in5_V2[];
extern const unsigned char gImage_7in5_V2_b[];
extern const unsigned char gImage_7in5_V2_ry[];
#endif
/* FILE END */

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English:
This directory holds our pre-compiled sample programs.
You can use them for evaluation if you have trouble setting up your environment.
中文：
本目录存放的是我们预先编译好的示例程序。如果您在环境搭建时遇到了麻烦，可以使用它们进行评估。

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