File content as of revision 11:06f6e82b40a8:

#include "mbed.h"
#include "TCS3472_I2C.h"
#include "Colour.h"

TCS3472_I2C rgb_sensor(p28,p27); //p28 =sda, p27=scl

int rgb_readings[4];
double rMax = 9244;
double gMax = 3194;
double bMax = 3590;

//thresholds are in the RGB format.
/*
Values for black casing
int redLT [3] = {79,23,41};
int redUT [3]= {92,28,49};
int greenLT [3] = {46,81,61};
int greenUT [3]= {60,107,81};
int blueLT [3]= {25,47,47};
int blueUT [3]= {28,52,52};*/
//values for blue backing
int redLT [3] =     {211,0,0};
int redUT [3]=      {400,140,200};
int greenLT [3] =   {141,251,211};
int greenUT [3]=    {210,400,400};
int blueLT [3]=     {0,141,150};
int blueUT [3]=     {140,250,210};

void initColourSensor(){
    rgb_sensor.enablePowerAndRGBC();
    rgb_sensor.setIntegrationTime(100);
}

Colour readColourSensor(){
        rgb_sensor.getAllColors(rgb_readings);
        Colour colour;
        double redd = (rgb_readings[1] /gMax) * 255;
        double greend = (rgb_readings[2] /bMax) * 255;
        double blued = (rgb_readings[0] /rMax) * 255;
        
        int red = redd;
        int green = greend;
        int blue = blued;  
        //colourDataAcquired = true;
        lcd->cls(); // clear display 
        lcd->locate(0,0); 
        lcd->printf("R:%dG:%dB:%d",red,green,blue);
        
        lcd->locate(1,0); 
        /*if(red > 55){
            lcd->printf("RED");
        }
        if(green > 55){
            lcd->printf("GREEN");
        } 
        if(red < 30 && green > 30 && blue > 30){
            lcd->printf("BLUE");
        }*/  
        
        bool redWithinThreshold[3] = {0,0,0};
        bool greenWithinThreshold[3]= {0,0,0};
        bool blueWithinThreshold[3]= {0,0,0};
        //Set red Thresholds
        redWithinThreshold[0] = (red >= redLT[0]) && (red <= redUT[0]);
        greenWithinThreshold[0] = (green >= redLT[1]) && (green <= redUT[1]);
        blueWithinThreshold[0] = (blue >= redLT[2]) && (blue <= redUT[2]);
        //Set green Thresholds
        redWithinThreshold[1] = (red >= greenLT[0]) && (red <= greenUT[0]);
        greenWithinThreshold[1] = (green >= greenLT[1]) && (green <= greenUT[1]);
        blueWithinThreshold[1] = (blue >= greenLT[2]) && (blue <= greenUT[2]);
        //Set blue Thresholds
        redWithinThreshold[2] = (red >= blueLT[0]) && (red <= blueUT[0]);
        greenWithinThreshold[2] = (green >= blueLT[1]) && (green <= blueUT[1]);
        blueWithinThreshold[2] = blue >= blueLT[2] && blue <= blueUT[2];
        
        if(redWithinThreshold[0] && greenWithinThreshold[0] && blueWithinThreshold[0]){
            lcd->printf("RED");
            colour = RED;
            }
        else if(redWithinThreshold[1] && greenWithinThreshold[1] && blueWithinThreshold[1]){
            lcd->printf("GREEN");
            colour = GREEN;
            }
        else if(redWithinThreshold[2] && greenWithinThreshold[2] && blueWithinThreshold[2]){
            lcd->printf("BLUE");
            colour = BLUE;
            }
        else{
            lcd->printf("BIN");
            colour = BIN;
            }    
        return colour;
}

void sendColourSignal(Colour colour){
    switch(colour){
        case RED: 
        
        break;
        case GREEN:
        break;
        case BLUE:
        break;
        case BIN:
        break;
        }
    }