From 503c7e3d7b3eeea11dd803efcab0616596738296 Mon Sep 17 00:00:00 2001
From: Makuna <Makuna@hotmail.com>
Date: Thu, 28 May 2015 11:22:05 -0700
Subject: [PATCH] FirstPixelBitCleanup

The first bit on some esp8266 will get elongated, this change has shown
to cause this to be fixed.
---
 NeoPixelBus.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/NeoPixelBus.cpp b/NeoPixelBus.cpp
index 7871e47..13c01b2 100644
--- a/NeoPixelBus.cpp
+++ b/NeoPixelBus.cpp
@@ -90,6 +90,9 @@ static inline void send_pixels_800(uint8_t* pixels, uint8_t* end, uint8_t pin)
     uint8_t subpix;  
     uint32_t cyclesStart;
 
+    // this set low will help cleanup the first bit
+    GPIO_REG_WRITE(GPIO_OUT_W1TC_ADDRESS, pinRegister);
+
     cyclesStart = ESP.getCycleCount() + CYCLES_800;
     while (pixels < end)
     {
@@ -140,6 +143,9 @@ static inline void send_pixels_400(uint8_t* pixels, uint8_t* end, uint8_t pin)
     uint8_t subpix;
     uint32_t cyclesStart;
 
+    // this set low will help cleanup the first bit
+    GPIO_REG_WRITE(GPIO_OUT_W1TC_ADDRESS, pinRegister);
+
     cyclesStart = ESP.getCycleCount() + CYCLES_400;
     while (pixels < end)
     {