File content as of revision 1:e54ded4af43a:

#include "mbed.h"
#include "VL53L1X.h"
void resetPin(int pin);

Serial pc(USBTX,USBRX);

bool s1_init = false;
bool s2_init = false;
bool s3_init = false;
bool s4_init = false;

VL53L1X sensor1(D14, D15, D0);
VL53L1X sensor2(D14, D15, D1);
VL53L1X sensor3(D14, D15, D2);
VL53L1X sensor4(D14, D15, D3);

int count = 0;
int main()
{
    sensor1.turnOff();
    sensor2.turnOff();
    sensor3.turnOff();
    sensor4.turnOff();
    if (sensor2.initReading(0x25, 25000))
    {
        s2_init = true;
    } 
    if (sensor1.initReading(0x27, 25000))
    {
        s1_init = true;
    }
    if (sensor3.initReading(0x35, 25000))
    {
        s3_init = true;
    }        
    if (sensor4.initReading(0x37, 50000))
    {
        s4_init = true;
    }    
    while(1)
    {  

        sensor1.startContinuous(50);
        sensor2.startContinuous(50);
        sensor3.startContinuous(50);
        sensor4.startContinuous(50);

      if (s1_init)
        pc.printf("%d", sensor1.read());
      else 
        pc.printf("-1");
    
      pc.printf(",");
      
      if (s2_init)
        pc.printf("%d", sensor2.read());
      else pc.printf("-1");

      pc.printf(",");
      
      if (s3_init)
        pc.printf("%d", sensor3.read());
      else pc.printf("-1");      
      
      pc.printf(",");
      
      if (s4_init)
        pc.printf("%d", sensor4.read());
      else pc.printf("-1");
        
      pc.printf("\r\n");
      sensor1.stopContinuous();
      sensor2.stopContinuous();
      sensor3.stopContinuous();
      sensor4.stopContinuous();
      wait(.02);
    }
}