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Add brightness to the LED mode.

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This commit is contained in:
Benoît Allard
2024-09-25 23:20:48 +02:00
parent 7a0b67f3cb
commit 01d1856fcc
7 changed files with 52 additions and 26 deletions
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13
src/led/led_ws2812.c
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@@ -79,8 +79,17 @@ uint32_t pixel[] = {
0xffffff00 // 7: white
};
void led_driver_color(uint8_t color) {
pio_sm_put_blocking(pio0, 0, pixel[color]);
void led_driver_color(uint8_t color, float brightness) {
uint32_t pixel_color = pixel[color];
uint8_t r = (pixel_color >> 16) & 0xFF;
uint8_t g = (pixel_color >> 24) & 0xFF;
uint8_t b = (pixel_color >> 8) & 0xFF;
r = (uint8_t)(r * brightness);
g = (uint8_t)(g * brightness);
b = (uint8_t)(b * brightness);
pio_sm_put_blocking(pio0, 0, (g << 24) | (r << 16) | (b << 8));
}
#endif