File content as of revision 0:1eada136b388:

#include "mbed.h"
#include "m3pi.h"

DigitalOut sensorLED(p8);
I2C colorSensor(p28, p27);
//Serial bt(p13, p14); // tx, rx

const int addr = 0x74;

int main() {

    m3pi m3pi;
    sensorLED = 1;
    char cmd[1];
    
    while(1) {
        char result_low;
        char result_high;
        
        //Red
        cmd[0] = 0x40;
        colorSensor.write(addr,cmd,1);
        colorSensor.read(addr, cmd,1);
        result_low = cmd[0];
        
        cmd[0] = 0x41;
        colorSensor.write(addr,cmd,1);
        colorSensor.read(addr, cmd,1);
        result_high = cmd[0];
        
        int red = (result_high << 8) + result_low;
        
        //Green
        cmd[0] = 0x42;
        colorSensor.write(addr,cmd,1);
        colorSensor.read(addr, cmd,1);
        result_low = cmd[0];
        
        cmd[0] = 0x43;
        colorSensor.write(addr,cmd,1);
        colorSensor.read(addr, cmd,1);
        result_high = cmd[0];
        
        int green = (result_high << 8) + result_low;
        
        //Blue
        cmd[0] = 0x44;
        colorSensor.write(addr,cmd,1);
        colorSensor.read(addr, cmd,1);
        result_low = cmd[0];
        
        cmd[0] = 0x45;
        colorSensor.write(addr,cmd,1);
        colorSensor.read(addr, cmd,1);
        result_high = cmd[0];
        
        int blue = (result_high << 8) + result_low;

        // Print for debugging
        
        //bt.printf("R:%d",red);
        //bt.printf("G:%d",green);
        //bt.printf("B:%d",blue);
        
        m3pi.printf("R:%d",red);
        wait(1.5);
        m3pi.printf("G:%d",green);
        wait(1.5);
        m3pi.printf("B:%d",blue);    
        wait(1.5);    
        
    }
}