Updated implementation as per feedback in PR #4421.

mattytrentini · mattytrentini · commit c2fdbe1ed2c4 · 2019-01-22T22:05:07.000+11:00
diff --git a/ports/esp32/espneopixel.c b/ports/esp32/espneopixel.c
@@ -22,7 +22,7 @@ void IRAM_ATTR esp_neopixel_write(uint8_t pin, uint8_t *pixels, uint32_t numByte
 
     uint32_t fcpu = ets_get_cpu_frequency() * 1000000;
 
-    if (timing == 0) {
+    if (timing == 1) {
         // 800 KHz
         time0 = (fcpu * 0.35) / 1000000; // 0.35us
         time1 = (fcpu * 0.8) / 1000000; // 0.8us
diff --git a/ports/esp32/modules/neopixel.py b/ports/esp32/modules/neopixel.py
@@ -7,7 +7,7 @@
 class NeoPixel:
     ORDER = (1, 0, 2, 3)
     
-    def __init__(self, pin, n, bpp=3, timing=0):
+    def __init__(self, pin, n, bpp=3, timing=1):
         self.pin = pin
         self.n = n
         self.bpp = bpp
