File content as of revision 0:45610c4af223:

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


AnalogIn heart_rate2(A0);
AnalogIn adc_temp(A3);
AnalogIn adc_sound(A1);
//AnalogOut buzzer(D4);
//AnalogIn Proximity_measure(A2);
void heartrate();
void sound();
void temp();
//void write_to_socket();
//void proximity();

    double h;
    double *h_p = (double*)malloc(20*sizeof(double));
    
 void heartrate(){
      
    h_p = &h;
    while (1){
    h = heart_rate2.read();
    wait(0.1);
        }
}

void temp(){
    //------------------------------------------------------------------------//
        //This section is using the external temperatur sensor "Grove temperatur sensor v1.2
        //float resistance;
        const int B = 4275;
        //const int R0 = 10000;
        //char temp[10];
        
        //reads the voltage from the analog temperatur sensor
        double a = adc_temp.read();
        double R;
        R = 1023.0/a-1.0;
        //R = R0*R;
        double temperature;
        //Calculate the temperature from the voltage
        temperature  = 1.0/(log(R)/B+1/298.15)-173.15;
        //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 ;
        //delay(100);
        
    }
    
    
void sound() {
    float b = adc_sound.read();
        char temp_sound[10];
        float noiselevel;
        noiselevel = b;
        //if the sound sensor is detection any noise a LED is switched on and a message with the current sound level is displayed.
        if (noiselevel != 0) {

            //do something with noiselevel!!
            
        }

        //external_LCD.DisplayStringAt(0, LINE(1), (uint8_t *)"This is just a test", CENTER_MODE);
        wait(0.1);
    }
    
    
    
//void write_to_stocket(){
    
 //   }

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