i2c_read_byte
i2c_read_byte(bktr,&data_1, 0);
i2c_read_byte(bktr,&data_2, 1);
i2c_read_byte(bktr,&(remote->data[0]), 0);
i2c_read_byte(bktr,&(remote->data[1]), 0);
i2c_read_byte(bktr,&(remote->data[2]), 0);
static int i2c_read_byte(bktr_ptr_t bktr, unsigned char *data, int last);