File content as of revision 0:c1654e25cc43:

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

DigitalOut myled(p26);
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(p8);
PinDetect pb2(p9);

float volatile p;

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
        float p = 1.0f;
        pb1.mode(PullUp);
        pb2.mode(PullUp);
        wait(0.1)
        
        if (pb1) {
            if (p > 0) {
                p -= 0.1;
            }
        } else if (pb2) {
            if (p < 1) {
                p += 0.1;
            }
        }
        myled = 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
    
}