Arduino Quick Start
2. Devices & Examples
3. M5Unified
5. Extensions & Examples
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DinMeter Display
DinMeter uses the M5GFX library as its display driver. Refer to the API & example below for simple rendering. For more API details, see the M5GFX source code.
DinMeter uses the M5GFX library as its display driver. Refer to the API & example below for simple rendering. For more API details, see the M5GFX source code.
- Open the example program
displayand upload the code
Example
cpp
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/**
* @file display.ino
* @author SeanKwok (shaoxiang@m5stack.com)
* @brief M5DinMeter Display Test
* @version 0.1
* @date 2024-03-07
*
*
* @Hardwares: M5DinMeter
* @Platform Version: Arduino M5Stack Board Manager v2.1.1
* @Dependent Library:
* M5GFX: https://github.com/m5stack/M5GFX
* M5Unified: https://github.com/m5stack/M5Unified
*/
#include "M5DinMeter.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();
DinMeter.begin(cfg, false);
int textsize = DinMeter.Display.height() / 60;
if (textsize == 0) {
textsize = 1;
}
DinMeter.Display.setTextSize(textsize);
}
void loop() {
int x = rand() % DinMeter.Display.width();
int y = rand() % DinMeter.Display.height();
int r = (DinMeter.Display.width() >> 4) + 2;
uint16_t c = rand();
DinMeter.Display.fillCircle(x, y, r, c);
draw_function(&DinMeter.Display);
}After uploading, you can see the following effect
