single repo

pico-ssd1306/examples/flag/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.13)
+
+include(pico_sdk_import.cmake)
+
+project(flag)
+
+pico_sdk_init()
+
+add_subdirectory(pico-ssd1306)
+
+add_executable(flag
+        main.cpp)
+
+target_link_libraries(flag
+        hardware_i2c
+        pico_ssd1306)
+
+
+pico_add_extra_outputs(flag)

pico-ssd1306/examples/flag/main.cpp

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+#include "pico/stdlib.h"
+#include "pico-ssd1306/ssd1306.h"
+#include "pico-ssd1306/shapeRenderer/ShapeRenderer.h"
+#include "hardware/i2c.h"
+
+// 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);
+
+    // Draw an outline
+    drawRect(&display, 0, 0, 127, 63);
+
+    // Draw 2 rectangles
+    fillRect(&display, 0, 0, 63, 31);
+    fillRect(&display, 64, 32, 127, 63);
+
+    // Draw a line across the screen
+    drawLine(&display, 127, 0, 0, 63);
+
+
+    // Send buffer to the display
+    display.sendBuffer();
+
+}

pico-ssd1306/examples/flag/readme.md

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+# 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)
+
+![output](output1.jpg)