single repo

pico-ssd1306/examples/write_mode/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.13)
+
+include(pico_sdk_import.cmake)
+
+project(write_mode)
+
+pico_sdk_init()
+
+add_subdirectory(pico-ssd1306)
+
+add_executable(write_mode
+        main.cpp)
+
+target_link_libraries(write_mode
+        hardware_i2c
+        pico_ssd1306)
+
+
+pico_add_extra_outputs(write_mode)

pico-ssd1306/examples/write_mode/main.cpp

@@ -0,0 +1,65 @@
+#include "pico/stdlib.h"
+#include "pico-ssd1306/ssd1306.h"
+#include "pico-ssd1306/shapeRenderer/ShapeRenderer.h"
+#include "hardware/i2c.h"
+
+#pragma ide diagnostic ignored "EndlessLoop"
+
+// Use the namespace for convenience
+using namespace pico_ssd1306;
+
+int main() {
+    // Init i2c0 controller
+    i2c_init(i2c0, 1000000);
+    // Set up pins 12 and 13
+    gpio_set_function(12, GPIO_FUNC_I2C);
+    gpio_set_function(13, GPIO_FUNC_I2C);
+    gpio_pull_up(12);
+    gpio_pull_up(13);
+
+    // If you don't do anything before initializing a display pi pico is too fast and starts sending
+    // commands before the screen controller had time to set itself up, so we add an artificial delay for
+    // ssd1306 to set itself up
+    sleep_ms(250);
+
+    // Create a new display object at address 0x3D and size of 128x64
+    SSD1306 display = SSD1306(i2c0, 0x3D, Size::W128xH64);
+
+    // Here we rotate the display by 180 degrees, so that it's not upside down from my perspective
+    // If your screen is upside down try setting it to 1 or 0
+    display.setOrientation(0);
+
+    // Fill left half of the screen
+    fillRect(&display, 0, 0, 63,63);
+
+    // Create a variable storing a bitmap image
+    unsigned char image[] = {
+            0b00000001, 0b10000000,
+            0b00000001, 0b10000000,
+            0b00000011, 0b11000000,
+            0b00000010, 0b01000000,
+            0b00000110, 0b11100000,
+            0b00001100, 0b00110000,
+            0b00111001, 0b00011100,
+            0b11101000, 0b01000111,
+            0b11100010, 0b00000111,
+            0b00111000, 0b01011100,
+            0b00001100, 0b10110000,
+            0b00000110, 0b01100000,
+            0b00000011, 0b01000000,
+            0b00000011, 0b11000000,
+            0b00000001, 0b10000000,
+            0b00000001, 0b10000000
+    };
+
+    // To see this example at work play with WriteMode
+    // Add will turn pixels on regardless of their state
+    // Subtract will turn pixels off regardless of their state
+    // Invert will swap state of selected pixels
+    display.addBitmapImage(63-8, 31-8, 16, 16, image, WriteMode::INVERT);
+
+    // Send buffer to the display
+    display.sendBuffer();
+
+
+}

pico-ssd1306/examples/write_mode/readme.md

@@ -0,0 +1,12 @@
+# This examples produces such a result
+
+## Ignore yellow at the bottom (that's just my screen dying from hours of testing and development and some abuse)
+
+### WriteMode::ADD
+![output](output1.jpg)
+
+### WriteMode::SUBTRACT
+![output](output2.jpg)
+
+### WriteMode::INVERT
+![output](output3.jpg)