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qmk_firmware

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

ws2812_custom.c (1137B)

    

  1. #include "ws2812.h"
  2. #include "i2c_master.h"
  4. #ifdef WS2812_RGBW
  5. #    error "RGBW not supported"
  6. #endif
  8. #ifndef WS2812_I2C_ADDRESS
  9. #    define WS2812_I2C_ADDRESS 0xB0
  10. #endif
  12. #ifndef WS2812_I2C_ADDRESS_RIGHT
  13. #    define WS2812_I2C_ADDRESS_RIGHT 0xB8
  14. #endif
  16. #ifndef WS2812_I2C_TIMEOUT
  17. #    define WS2812_I2C_TIMEOUT 100
  18. #endif
  20. ws2812_led_t ws2812_leds[WS2812_LED_COUNT];
  22. void ws2812_init(void) {
  23.     i2c_init();
  24. }
  26. void ws2812_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
  27.     ws2812_leds[index].r = red;
  28.     ws2812_leds[index].g = green;
  29.     ws2812_leds[index].b = blue;
  30. }
  32. void ws2812_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
  33.     for (int i = 0; i < WS2812_LED_COUNT; i++) {
  34.         ws2812_set_color(i, red, green, blue);
  35.     }
  36. }
  38. void ws2812_flush(void) {
  39.     i2c_transmit(WS2812_I2C_ADDRESS, (uint8_t *)ws2812_leds, sizeof(ws2812_led_t) * (WS2812_LED_COUNT >> 1), WS2812_I2C_TIMEOUT);
  40.     i2c_transmit(WS2812_I2C_ADDRESS_RIGHT, (uint8_t *)ws2812_leds + (sizeof(ws2812_led_t) * (WS2812_LED_COUNT >> 1)), sizeof(ws2812_led_t) * (WS2812_LED_COUNT - (WS2812_LED_COUNT >> 1)), WS2812_I2C_TIMEOUT);
  41. }