Features/ws2812 matrix driver (#5418)

* WS2812 driver implementation for RGB Matrix

* Added driver configuration docs

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/avr/ws2812.c b/drivers/avr/ws2812.c
index 5bd837ec7..b3ed4fd0b 100644
--- a/drivers/avr/ws2812.c
+++ b/drivers/avr/ws2812.c
@@ -27,6 +27,12 @@
 #include <util/delay.h>
 #include "debug.h"
 
+#if !defined(LED_ARRAY) && defined(RGB_MATRIX_ENABLE)
+// LED color buffer
+LED_TYPE led[DRIVER_LED_TOTAL];
+  #define LED_ARRAY led
+#endif
+
 #ifdef RGBW_BB_TWI
 
 // Port for the I2C
@@ -141,6 +147,25 @@ unsigned char I2C_Write(unsigned char c)
 
 #endif
 
+#ifdef RGB_MATRIX_ENABLE
+// Set an led in the buffer to a color
+void inline ws2812_setled(int i, uint8_t r, uint8_t g, uint8_t b)
+{
+    led[i].r = r;
+    led[i].g = g;
+    led[i].b = b;
+}
+
+void ws2812_setled_all  (uint8_t r, uint8_t g, uint8_t b)
+{
+  for (int i = 0; i < RGBLED_NUM; i++) {
+    led[i].r = r;
+    led[i].g = g;
+    led[i].b = b;
+  }
+}
+#endif
+
 // Setleds for standard RGB
 void inline ws2812_setleds(LED_TYPE *ledarray, uint16_t leds)
 {