Fix NeoPixel/WS2812B timing. (#47)

- Change frequency from 500kHz to 800kHz to match datasheet. - Updating high & low timings to match make:code. Tested on a variety of WS2812B strips as well as SK6812 RGB and RGBW strips. Signed-off-by: Jim Mussared <[email protected]>
lancaster-university · Jun 12, 2023 · 84b1aee · 84b1aee
1 parent 76dbf90
commit 84b1aee
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/inc/WS2812B.h b/inc/WS2812B.h
@@ -32,9 +32,9 @@ DEALINGS IN THE SOFTWARE.
 
 #define WS2812B_BUFFER_SIZE         256
 #define WS2812B_PAD                 (0x8000)
-#define WS2812B_LOW                 (0x8000 | 6)
-#define WS2812B_HIGH                (0x8000 | 10)
-#define WS2812B_PWM_FREQ            500000
+#define WS2812B_LOW                 (0x8000 | 5) // 320ns
+#define WS2812B_HIGH                (0x8000 | 12) // 760ns
+#define WS2812B_PWM_FREQ            800000
 #define WS2812B_ZERO_PADDING        50
 
 /**
@@ -128,4 +128,4 @@ namespace codal
         void _play(const void *data, int length, bool mode);
     };
 }
-#endif
+#endif