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qmk_firmware

custom branch of QMK firmware git clone https://anongit.hacktivis.me/git/qmk_firmware.git

ws2812_i2c.c (907B)

    

  1. // Copyright 2024 QMK
  2. // SPDX-License-Identifier: GPL-2.0-or-later
  4. #include "ws2812.h"
  5. #include "i2c_master.h"
  7. #ifdef WS2812_RGBW
  8. #    error "RGBW not supported"
  9. #endif
  11. #ifndef WS2812_I2C_ADDRESS
  12. #    define WS2812_I2C_ADDRESS 0xB0
  13. #endif
  15. #ifndef WS2812_I2C_TIMEOUT
  16. #    define WS2812_I2C_TIMEOUT 100
  17. #endif
  19. ws2812_led_t ws2812_leds[WS2812_LED_COUNT];
  21. void ws2812_init(void) {
  22.     i2c_init();
  23. }
  25. void ws2812_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
  26.     ws2812_leds[index].r = red;
  27.     ws2812_leds[index].g = green;
  28.     ws2812_leds[index].b = blue;
  29. }
  31. void ws2812_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
  32.     for (int i = 0; i < WS2812_LED_COUNT; i++) {
  33.         ws2812_set_color(i, red, green, blue);
  34.     }
  35. }
  37. void ws2812_flush(void) {
  38.     i2c_transmit(WS2812_I2C_ADDRESS, (uint8_t *)ws2812_leds, WS2812_LED_COUNT * sizeof(ws2812_led_t), WS2812_I2C_TIMEOUT);
  39. }