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秋葉原ロボット部Advent Calendar 2023

Day 18

1.69inchの液晶Displayをxiaoで動かしてみる

Last updated at Posted at 2023-12-17

image.png

1.69inchの液晶Displayです。
xiaoとSPIで接続して動かしてみます。

今回はAdafruitのGFXライブラリではなく以下のArduino_GFXライブラリをインストールしました。
※Adafruitのライブラリではうまく動作しませんでした...

HelloWorldのサンプルプログラムのコメントにある通りにxiaoを配線します。

* Seeeduino XIAO dev board    : CS:  3, DC:  2, RST:  1, BL:  0, SCK:  8, MOSI: 10, MISO:  9

プログラム中の以下の箇所を液晶Displayの解像度に合わせます。

Arduino_GFX *gfx = new Arduino_ST7789(
  bus, 7 /* RST */, 0 /* rotation */, true /* IPS */,
  240 /* width */, 280 /* height */,
  0 /* col offset 1 */, 20 /* row offset 1 */,
  0 /* col offset 2 */, 20 /* row offset 2 */);

プログラムを書き込むとちゃんと画面が映りました。

image.png

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