File content as of revision 0:f043a4a4ec8d:

#include "mbed.h"
#include <I2C.h>

#define LSM6DS0_ADDRESS_WRITE (0xD4) // Configuration Register_write
#define LSM6DS0_ADDRESS_READ (0xD5)

I2C i2c(I2C_SDA,I2C_SCL);
Serial pc(SERIAL_TX, SERIAL_RX);

int main() {

}

int setREG_I2C(char REG_ADDR_DATA[2]){ //argument to pass : address register and data to write in
i2c.start(); //send start bit
if ((i2c.write(LSM6DS0_ADDRESS_WRITE,REG_ADDR_DATA,2,0))!=0){ //ADDR+SUB+DATA+STOP, return 0 if ack
        pc.printf("Error, not ack\n");
        return 0;       
    } else return 1;
}


char readREG_I2C(char REG_ADDR[1]){ //argument to pass : address register to read
char data_read[1];
i2c.start(); //send start bit
if ((i2c.write(LSM6DS0_ADDRESS_WRITE,REG_ADDR,1,1))==0){ //ADDR+SUB, return 0 if ack
    if((i2c.read(LSM6DS0_ADDRESS_READ,data_read,1,0))==0){} //ADDR+data+STOP, return 0 if ack
            else{
            pc.printf("Error, not ack\n");
            }
    } else{
        pc.printf("Error, not ack\n");
        }
    return data_read[0];
}