File content as of revision 0:b98e768bc655:

#include "TCS3200.h"
#include "mbed.h"
 
 
TCS3200::TCS3200(PinName S0, PinName S1, PinName S2, PinName S3, PinName OUT) : 
mS0(S0), mS1(S1), mS2(S2), mS3(S3), signal(OUT) 
{
    SetMode(SCALE_100);
    signal.rise(this,&TCS3200::HighTrigger);
    signal.fall(this,&TCS3200::LowTrigger);
}
 
long TCS3200::ReadRed() {
    mS2=0;                    
    mS3=0;
    wait(0.1);     //Delay to allow frequency to change for the set color
    return(pulsewidth);
}

long TCS3200::ReadGreen() {
    mS2=1;                    
    mS3=1;
    wait(0.1);     //Delay to allow frequency to change for the set color
    return(pulsewidth);
}

long TCS3200::ReadBlue() {
    mS2=0;                    
    mS3=1;
    wait(0.1);     //Delay to allow frequency to change for the set color
    return(pulsewidth);
}

long TCS3200::ReadClear() {
    mS2=1;                    
    mS3=0;
    wait(0.1);     //Delay to allow frequency to change for the set color
    return(pulsewidth);
}

void TCS3200::SetMode(TCS3200Mode mode) {
    if(mode == POWERDOWN) {         //TCS3200 in power down
        mS0 = 0;                     
        mS1 = 0;
    }
    else if(mode == SCALE_2) {      //Output frequency at 2% scaling
        mS0 = 0;                     
        mS1 = 1;
    }
    else if(mode == SCALE_20) {     //Output frequency at 20% scaling
        mS0 = 1;                     
        mS1 = 0;
    }
    else if(mode == SCALE_100) {    //Output frequency at 100% scaling
        mS0 = 1;                     
        mS1 = 1;
    }
    else {                          //default is POWERDOWN                
        mS0 = 0;                     
        mS1 = 0;
    }
}

void TCS3200::HighTrigger() {
    timer.start();
}

void TCS3200::LowTrigger() {
    timer.stop();
    pulsewidth = timer.read_us();
    timer.reset();
}