Rendy Devara
This is a bitbang library for WS2812. I test it with STM32F411RE (Nucleo 441RE). If you want to use another board, u need to adjust the sum of asm("nop"). In the example program i put some code to measure how many asm("nop") do we need. See more detail about WS2812 timing https://cdn-shop.adafruit.com/datasheets/WS2812.pdf
Dependents: STM32FC_RGB_WS2812
Diff: WS2812.h
- Revision:
- 0:f080cb888db6
- Child:
- 1:8910a1fcbdb0
diff -r 000000000000 -r f080cb888db6 WS2812.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WS2812.h Sat Dec 10 08:18:58 2016 +0000
@@ -0,0 +1,31 @@
+#ifndef WS2812_H
+#define WS2812_H
+#include "mbed.h"
+#include "USBSerial.h"
+
+class WS2812
+{
+ public:
+
+ uint8_t Red;
+ uint8_t Green;
+ uint8_t Blue;
+
+ WS2812(PinName pin, int qty);
+ ~WS2812();
+ void writeColor(uint32_t RGB);
+ void send1Color(uint32_t RGB);
+
+ void sendReset();
+
+ private:
+ int LED_Qty;
+ PinName dataPin;
+ DigitalOut dataOut;
+
+ void writeByte(uint8_t data);
+ void send0();
+ void send1();
+};
+
+#endif
\ No newline at end of file