Arduino Quick Start
2. Devices & Examples
3. M5Unified
4. M5GFX
5. Extensions
Unit
Base
Cap
IoT
Basic/Gray Display
Note:
Basic/Gray uses M5GFX library as the screen driver, refer to the following API & cases to realize simple display, get more API content can refer to M5GFX source code.
Example
cpp
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#include "M5Unified.h" void draw_function(LovyanGFX* gfx) { int x = rand() % gfx->width(); int y = rand() % gfx->height(); int r = (gfx->width() >> 4) + 2; uint16_t c = rand(); gfx->fillRect(x - r, y - r, r * 2, r * 2, c); } void setup() { auto cfg = M5.config(); M5.begin(cfg); int textsize = M5.Display.height() / 60; if (textsize == 0) { textsize = 1; } M5.Display.setTextSize(textsize); M5.Display.clear(TFT_WHITE); } void loop() { int x = rand() % M5.Display.width(); int y = rand() % M5.Display.height(); int r = (M5.Display.width() >> 4) + 2; uint16_t c = rand(); M5.Display.fillCircle(x, y, r, c); draw_function(&M5.Display); delay(1000); } The example program runs as follows: