ze chen / Shiftbrite

Shiftbrite class

Shiftbrite.cpp

Committer:
zchen311
Date:
2013-02-13
Revision:
0:8322a6c71e18

File content as of revision 0:8322a6c71e18:

#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;
    
    }