SPI DMA workaround

Described in jgarff#499
Deadolus · May 17, 2022 · ce4ad55 · ce4ad55
1 parent 9be313f
commit ce4ad55
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/ws2811.c b/ws2811.c
@@ -1200,6 +1200,9 @@ ws2811_return_t  ws2811_render(ws2811_t *ws2811)
                     {
                         uint32_t *wordptr = &((uint32_t *)pxl_raw)[wordpos];   // PWM & PCM
                         volatile uint8_t  *byteptr = &pxl_raw[bytepos];    // SPI
+                        if((bitpos == 7) && (l == 0)) {
+                          break;
+                        }
 
                         if (driver_mode == SPI)
                         {