dot.bmp

grad.bmp

main.cpp

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

#include "inkplate.hpp"

Inkplate display(DisplayMode::INKPLATE_3BIT);

void main_task(void *)
{
  display.begin();
  display.clearDisplay();

  display.drawImage("/sdcard/grad.bmp", 0, 0, false, false);
  display.display();

  for (;;)
  {
    vTaskDelay(1000000 / portTICK_PERIOD_MS);
  }
}

extern "C"
{
  void app_main()
  {
    xTaskCreatePinnedToCore(main_task, "main_task", 8192, nullptr, 1, nullptr, 1);
  }
}