CoreMatrix Arduino 示例程序编译与烧录

#include <M5Unified.h>

static const uint16_t HEART[16] = {
  0b0000000000000000,
  0b0000011001100000,
  0b0001111111111000,
  0b0011111111111100,
  0b0111111111111110,
  0b0111111111111110,
  0b0111111111111110,
  0b0011111111111100,
  0b0001111111111000,
  0b0000111111110000,
  0b0000011111100000,
  0b0000001111000000,
  0b0000000110000000,
  0b0000000000000000,
  0b0000000000000000,
  0b0000000000000000,
};

static void drawHeart()
{
  M5.Display.startWrite();
  M5.Display.fillScreen(TFT_BLACK);

  for (int y = 0; y < 16; ++y) {
    for (int x = 0; x < 16; ++x) {
      if (HEART[y] & (0x8000u >> x)) {
        M5.Display.drawPixel(x, y, TFT_WHITE);
      }
    }
  }

  M5.Display.endWrite();
  M5.Display.display();
}

void setup()
{
  auto cfg = M5.config();
  cfg.serial_baudrate = 115200;
  M5.begin(cfg);

  M5.Display.setColorDepth(8);
  M5.Display.setRotation(1);
  M5.Display.setBrightness(128);

  Serial.printf("CoreMatrix display: %d x %d\n",
                M5.Display.width(), M5.Display.height());
  drawHeart();
}

void loop()
{
  M5.update();
  delay(100);
}