File content as of revision 9:cc559f905411:

#include "mbed.h"                                                                   // Include files and define parameters.
#include "Adafruit_ADS1015.h"
#include <vector>
#include <string>
using namespace std;

I2C i2c(PB_9, PB_8);                                                  // I2C for sensorplate.
Adafruit_ADS1115 piezo_resistive_adc1(&i2c, 0x48);                  // i2c pins, i2c address.
Adafruit_ADS1115 piezo_resistive_adc2(&i2c, 0x49);                  // i2c pins, i2c address.
Adafruit_ADS1115 piezo_electric_adc(&i2c, 0x4B);                    // i2c pins, i2c address.
//I2C for EEEEEEEPROM eeprom_mod(&i2, ?adres?)

Serial usb_serial(SERIAL_TX, SERIAL_RX);                                            // tx, rx

int i2c__frequency = 100000;                                                              // I2C Frequency.
int baud_rate = 115200;                                                             // Baud rate.
const int EEPROM_adr=0x00;//8Bit address for I2C to EEPROM
const int EE_len =1; //Length EEprom vector to be sent
Timer timer;

                                                                 // array to save sensor data

DigitalOut myled(LED1);

//Check whether any sensor values are zero
void checkzero (vector<int>& sendat, int size){ 
    usb_serial.printf("Zero:");
    for(int i=0;i<size;++i){
        if(sendat[i]> -5 & sendat[i] < 5){
            sendat[i]=0;}
                if(sendat[i]!= 0){
                    usb_serial.printf("%d\n", i);}
                else{
                    usb_serial.printf("%d\n", i);}
    }
}
//Writing EEPROM through I2C
void EEPROM_write(char *EEPROM_dat,int len){
    i2c.write(EEPROM_adr,EEPROM_dat,len);
}
//Reading EEPROM through I2C, returns vector
string EEPROM_read(){
    char EEPROM_dat[EE_len];
    i2c.read(EEPROM_adr,EEPROM_dat,EE_len);
    return EEPROM_dat;
}

int main(){
    vector<int> S_data(8);  
    
    i2c.frequency(i2c__frequency);                                    // Set frequency for i2c connection to sensorplate (variable is declared in config part).
    usb_serial.baud(baud_rate);                                                     // Set serial USB connection baud rate (variable is declared in config part).

    usb_serial.printf("MCUs rule the World !\n");

    piezo_resistive_adc1.setGain(GAIN_TWOTHIRDS);                                   // Set ranges of ADC to +/-6.144V (end is marked with #):
    piezo_resistive_adc2.setGain(GAIN_TWOTHIRDS);   

    usb_serial.printf("Gains set.\n");  
    
    timer.start();
    while(1){
        while(timer.read_us() < 2000){}; timer.reset(); //Set readout frequency

        myled = !myled;
        //usb_serial.printf("Piezo electric 0_1 dif %d \n", piezo_electric_adc.readADC_Differential_0_1());            // First PE readout.
//        usb_serial.printf("Piezo electric 2_3 dif %d \n", piezo_electric_adc.readADC_Differential_2_3()); 

        for (uint8_t t=0; t<4; ++t){ //Save sensor data into array
            S_data[t] = (int16_t) piezo_resistive_adc1.readADC_SingleEnded(t);             //Put first 4 PR sensor data into first 4 S_data array
            S_data[t+4]= (int16_t) piezo_resistive_adc2.readADC_SingleEnded(t);             //Put next 4 PR sensor data into first 4 S_data array
        }
        
        checkzero(S_data,S_data.size());                                  //Check whether any sensor values are zero
        for (uint8_t k = 0; k < 4; ++k) {
            usb_serial.printf("R %d Ar %d: %d\n", k, 1, S_data[k]);  // First 4 PR readout.
            usb_serial.printf("R %d Ar %d: %d\n", k, 2, S_data[k+4]);  // Next 4 PR readout.
        }
        
    
    }
}