File content as of revision 0:57855aafa907:

#include "mbed.h"
#include "Sensor.h"

// Set up serial to pc
Serial pc(SERIAL_TX, SERIAL_RX); 

// Set up I²C on the STM32 NUCLEO-401RE 
#define addr1   (0x29) 
#define addr2   (0x2A)  
#define addr3   (0x2B)
#define addr4   (0x2C)

//Macro for addresses
// I²C address of VL6180 shifted by 1 bit                        
//(0x29 << 1) so the R/W command can be added
#define ADDR1   (addr1<<1)
#define ADDR2   (addr2<<1)
#define ADDR3   (addr3<<1)
#define ADDR4   (addr4<<1)

int main() {
    int range1; 
    int range2=0;
    int range3=0;
    int range4=0; 
    
    // Create and init sensor 1
    Sensor sensor1(ADDR1, I2C_SDA, I2C_SCL, PC_9);
    
    /*
    Sensor sensor2(ADDR2, I2C_SDA, I2C_SCL, PC_11);
    Sensor sensor3(ADDR3, I2C_SDA, I2C_SCL, PD_2);
    Sensor sensor4(ADDR4, I2C_SDA, I2C_SCL, PG_3);
    */
 
    /*
    SHDN_1 = 0;
    SHDN_3 = 0;
    SHDN_2 = 0;
    SHDN_4 = 0;
    wait_ms(0.5);
 
    SHDN_1 = 0;
    SHDN_2 = 1;
    SHDN_3 = 0;
    SHDN_4 = 0;
    */
    

    /*
    // load settings onto VL6180X sensors    
    VL6180_Init(ADDR1);
    // change default address of sensor 2
    WriteByte(0x212, addr2, ADDR1);
    
    SHDN_3 = 1;
    VL6180_Init(ADDR1);
    // change default address of sensor 3
    WriteByte(0x212, addr3, ADDR1);
    
    SHDN_4 = 1;
    VL6180_Init(ADDR1);
    // change default address of sensor 4
    WriteByte(0x212, addr4, ADDR1);
    
    SHDN_1 = 1;
    VL6180_Init(ADDR1);  
    */  
  
    while (1)
    {            
        range1 = sensor1.read();

        /*
        range2 = sensor2.read();
        range3 = sensor3.read();
        range4 = sensor4.read();         
        */

        pc.printf("Range one = %d | range two = %d | range three = %d | range four = %d\r\n",range1, range2, range3, range4);       
        wait_ms(100); 
    } 
}