SAMD51: fix first bit timing

adafruit · May 17, 2019 · 8c7e19e · 8c7e19e
1 parent 0a0b957
commit 8c7e19e
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/Adafruit_NeoPixel.cpp b/Adafruit_NeoPixel.cpp
@@ -1688,6 +1688,7 @@ void Adafruit_NeoPixel::show(void) {
 
   SysTick->LOAD = top;               // Config SysTick for NeoPixel bit freq
   SysTick->VAL  = top;               // Set to start value (counts down)
+  (void)SysTick->VAL;                // Dummy read helps sync up 1st bit
 
   for(;;) {
     *set  = pinMask;                 // Set output high

diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=Adafruit NeoPixel
-version=1.2.2
+version=1.2.3
 author=Adafruit
 maintainer=Adafruit <[email protected]>
 sentence=Arduino library for controlling single-wire-based LED pixels and strip.