File content as of revision 0:fc7fc9c0cd67:

#include "mbed.h"
//ShiftBrite Demo
DigitalOut latch(p15);
DigitalOut enable(p16);
//Cycles through different colors on RGB LED
SPI spi(p11, p12, p13);
//Use SPI hardware to write color values to LED driver chip
void RGB_LED(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);
    latch=1;
    latch=0;
}

int main() {
    int red=0;
    int green=0;
    int blue=0;
    spi.format(16,0);
    spi.frequency(500000);
    enable=0;
    latch=0;
    wait(2);
    for (red = 0; red<50; red = red+10) {
        for (blue = 0; blue<50; blue = blue+10) {
            for (green = 0; green<50; green = green+10)

            {
                RGB_LED( red, green, blue);
                wait(.25);
            }
        }
    }

}