File content as of revision 3:d84f4a501915:

#include "mbed.h"
#include "RGBLed.h"
#include "PinDetect.h"

DigitalOut myled(p26);
DigitalOut builtinLED(LED1);
DigitalIn pb(p22);
//DigitalIn pb2(p21);

// p10 is most significant bit
//BusIn ledSelect(p8, p9, p10);
//
//PinName redPin = p11;
//PinName greenPin = p12;
//PinName bluePin = p13;
//
PinDetect pb1(p21);
PinDetect pb2(p22);

float volatile p = 1.0f;

void pb1_hit_callback() {
    if (p > 0) {
        p -= 0.1;
    }
}

void pb2_hit_callback() {
    if (p < 0) {
        p += 0.1;
    }
}

int main() {
    while(1) {
        // Part 1
//        myled = !pb;
        
        // Part 2
        pb1.mode(PullUp);
        pb2.mode(PullUp);
        wait(0.1);
        
        builtinLED = p;
        
        // Part 3
//        RGBLed myRBGLed = RGBLed(redPin, greenPin, bluePin);
//        float redVal = 0.0f;
//        float greenVal = 0.0f;
//        float blueVal = 0.0f;
//        
//        pb1.mode(PullUp)
//        pb2.mode(PullUp)
//        wait(0.1)
//        
//        // Possibly try attach_asserted
//        pb1.attach_deasserted(&pb1_hit_callback);
//        pb2.attach_deasserted(&pb2_hit_callback);
//        pb1.setSampleFrequency();
//        pb2.setSampleFrequency();
//        
//        if (ledSelect & 0x1) {
//            redVal = 1.0 * p;
//        }
//        if (ledSelect & 0x2) {
//            greenVal = 1.0 * p;
//        }
//        if (ledselect & 0x4) {
//            blueVal = 1.0 * p;
//        }
//    }

    // Part 4
    }
}