File content as of revision 1:1f4543ea364d:

#include "mbed.h"
#include "rtos.h"
#include "sMotor.h"


AnalogIn heart_rate2(A0);
AnalogIn adc_temp(A3);
AnalogIn adc_sound(A1);
//AnalogIn hymid(A2);
DigitalOut myled2(D4);
DigitalOut buzzer(D3);

//AnalogIn Proximity_measure(A2);
void heartrate();
void sound();
void temp();
void smotor();

void smotor(){
 
    sMotor motor(D8, D9, D10, D11);   
    int step_speed = 1000 ; // set default motor speed
    int numstep = 1024 ;
    motor.step(numstep/1,0,step_speed);
}

    double h;
    double *h_p = (double*)malloc(1*sizeof(double));
    int heart_rate = 0;
    int *beats_per_min = (int*)malloc(1*sizeof(int));
    
    //Heartrate monitor
 void heartrate(){
    int number_of_beats = 0;
    float j = 0.0;  
    h_p = &h;
    beats_per_min = &heart_rate;
    while (1){
    
    buzzer = 0;
    
    h = heart_rate2.read();    
    if(h>=1.0){
        number_of_beats = number_of_beats + 1;
        myled2 = 1;
        buzzer = 1;
        j = j + 0.3;
        wait(0.3);
        } 
    else {
        myled2 = 0;
        j = j +  0.05;
        wait(0.05);    
        }
        //Every 10 sec calculate the heartrate
    if(j > 10) {
        heart_rate = number_of_beats * 6;
        j = 0.0;
        number_of_beats = 0;
        }
    else {
            
        }
            
        
        
    }
}
    double t;
    double *t_p = (double*)malloc(1*sizeof(double));

void temp(){
    
    t_p = &t;
    //------------------------------------------------------------------------//
        //This section is using the external temperatur sensor "Grove temperatur sensor v1.2
        //float resistance;
        const int B = 4275;
        const int R0 = 100000;
        //char temp[10];
        double R;
        double temp_combined;
        double a; 
        a = adc_temp.read();
        R = 1023.0/a-1.0;
        R = R0*R;
        t = (a - 0.5)*100;
        //t  = 1.0/(log(R/R0)/B+1/298.15)-273.15;
        //reads the voltage from the analog temperatur sensor
        for( int i = 1; i <= 5; i = i + 1 ) {
            a = adc_temp.read();
            temp_combined = temp_combined + a;
            if(i == 5) {
                temp_combined = temp_combined / 5;
                R = 1023.0/temp_combined-1.0;     
                t  = 1.0/(log(R)/B+1/298.15)-173.15;
                temp_combined = 0;
                i = 1;
                
                wait(1);
            } else {
                wait(1);
                }
        }
        
        
        
        //R = R0*R;
        
        //Calculate the temperature from the voltage
        
        //temperature = ((a*1000)-500)/10;
        //sprintf(temp, "%f", a);
        //resistance=(float)(1023-a)*10000/a; //get the resistance of the sensor;
        //temperature=1/(log(resistance/10000)/B+1/298.15)-273.15;//convert to temperature via datasheet&nbsp;;
        //delay(100);
        
    }
    
    
void sound() {
    float b = adc_sound.read();
        char temp_sound[10];
        float noiselevel;
        noiselevel = b;
        
        if (noiselevel != 0) {

            //do something with noiselevel!!
            
        }
        wait(0.1);
    }

/*void proximity(){
    double prox_read;
    while(1){
        
        prox_read = Proximity_measure.read();
        
        
        wait(0.5);
        
        buzzer.write(0);
        wait(3);
        }
    
    }*/