single repo

pico-ssd1306/examples/falling_dots/main.cpp

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+#include "pico/stdlib.h"
+#include "pico-ssd1306/ssd1306.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);
+
+
+    // variable to count on witch frame we are on
+    uint32_t frame_counter = 0;
+    // Infinite animation loop
+    while (1){
+
+        // Draw pixels spaced 8 px apart, one px lower every frame
+        for (uint8_t pass1 = 0; pass1 < 15; pass1 ++){
+            display.setPixel(pass1 * 8, frame_counter % 63);
+        }
+        // Send buffer to display
+        display.sendBuffer();
+        // Show the frame for 100ms
+        sleep_ms(100);
+        // Clear the buffer
+        display.clear();
+        // Increment frame counter
+        frame_counter ++;
+    }
+}