ze chen / Shiftbrite

Shiftbrite class

Diff: Shiftbrite.cpp

Revision:
0:8322a6c71e18
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Shiftbrite.cpp	Wed Feb 13 05:52:25 2013 +0000
@@ -0,0 +1,30 @@
+#include "mbed.h"
+#include "Shiftbrite.h"
+
+
+
+
+Shiftbrite::Shiftbrite(PinName pin_e, PinName pin_l, PinName pin_do,PinName pin_di, PinName pin_clk): _pin_e(pin_e), _pin_l(pin_l), _spi(pin_do, pin_di, pin_clk)
+{
+   SPI _spi(pin_do, pin_di, pin_clk);
+   _pin_l=0;
+   _pin_e=0;
+    _spi.format(16,0);
+    _spi.frequency(500000);
+}
+
+
+void Shiftbrite::RGB(int red, int green, int blue){
+
+    unsigned int low_color=0;
+    unsigned int high_color=0;
+    high_color=(blue<<4)|((red&0x3C0)>>6);
+    low_color=(((red&0x3F)<<10)|(green));
+    _spi.write(high_color);
+    _spi.write(low_color);
+    _pin_l=1;
+    _pin_l=0;
+    
+    }
+    
+    
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