Ned Konz / Mbed 2 deprecated Multi_WS2811_test

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   Multi_WS2811 mbed MMA8451Q

Fork of WS2811 by Heroic Robotics

Diff: WS2811.h

Revision:
30:52e9205a8059
Parent:
23:33df42ff2541
diff -r a76075c853ee -r 52e9205a8059 WS2811.h
--- a/WS2811.h	Fri Jan 03 19:17:24 2014 +0000
+++ b/WS2811.h	Sat Jan 04 00:32:16 2014 +0000
@@ -22,6 +22,7 @@
 #define MAX_LEDS_PER_STRIP 60
 
 extern "C" void DMA0_IRQHandler();
+extern "C" void TPM0_IRQHandler();
 
 class WS2811 : public LedStrip
 {
@@ -33,7 +34,6 @@
     virtual void blank();
 
     static void startDMA();
-    static bool is_dma_done();
 
 private:
     uint32_t pinMask;
@@ -44,7 +44,8 @@
 
     static bool initialized;
     static uint32_t enabledPins;
-    static Timer guardtime;
+    static volatile bool dma_done;
+    static void wait_for_dma_done() { while (!dma_done) __WFI(); }
 
     static void writeByte(uint8_t byte, uint32_t mask, uint32_t *dest);
 
@@ -55,7 +56,7 @@
         static void tpm_init();
         static void dma_data_init();
         
-    friend void DMA0_IRQHandler();
+    friend void TPM0_IRQHandler();
 };
 
 #endif