File content as of revision 11:e9d48f0a6b3e:

#include "mbed.h"
#include "GroveEarbudSensor.h"
#include "GypsyScale.h"
#include "MajorScale.h"
#include "Speaker.h"
#include "MelodyGenerator.h"
#include "Notes.h"
#include "GSRSensor.h"
#include <vector>

#define NBGSRVALUE 20

using namespace std;

InterruptIn earSensorPin(p5);
AnalogIn GSRPin(p15);
//DigitalOut led(LED1);
PwmOut speakerPin(p21);

int main()
{
    GroveEarbudSensor earbud(&earSensorPin);
    Speaker speaker(&speakerPin);
    MelodyGenerator melodyGen;
    GSRSensor GSRSens(&GSRPin);
    
    MajorScale scale1(SOL_4);
    GypsyScale scale2(MI_4);
    
    printf("Initialization.. waiting 14s");
    fflush(stdout);
    wait(4); // Time for GSR measure to stabilize
    
    float sumGSR, sumHR = 0.0;
    float thresholdHR, thresholdGSR = 0.0;
    for(int i = 0 ; i<NBGSRVALUE ; i++){
        sumGSR += GSRSens.getGSRValue();
        sumHR += earbud.getHeartRate();
        wait(0.5);
             
    }
    thresholdGSR = sumGSR/NBGSRVALUE;
    thresholdHR = sumHR/NBGSRVALUE;
    
    vector<Notes>* melo;
    float heartRate, measureGSR;
    while(true) {
        
        heartRate = earbud.getHeartRate();
        measureGSR = GSRSens.getGSRValue();
        printf("\r\nHeartrate : %0.0f (nominal : %0.3f) \r\nGSR       : %0.4f (nominal : %0.4f) \r\n", heartRate, thresholdHR, measureGSR, thresholdGSR); // for debug purpose

        if(heartRate <30) {
            speaker.play(SILENCE);
            heartRate = earbud.getHeartRate();
            wait(1);
        } else {
            if (measureGSR < thresholdGSR){
                melo = melodyGen.getMeasure(scale1);
                printf("\tMajor scale\r\n");
            }
            else {
                melo = melodyGen.getMeasure(scale2);
                printf("\tGypsy scale\r\n");
            }
            
            for(vector<Notes>::iterator it = melo->begin(); it != melo->end(); ++it) {
                speaker.play(*it);
                wait( 0.3 - ((heartRate - thresholdHR) * 0.0015));
            }
        }

        
    }
}