if(_device_status == STATUS_OK) {
printf("OK : %02x %02x %02x %02x %02x %02x %02x %02x\n",
buf[0],buf[1],buf[2], buf[3], buf[4], buf[5],buf[6],buf[7]);
if(_device_status == STATUS_OK) {
printf("OK : %02x %02x %02x %02x %02x %02x %02x %02x\n",
buf[0],buf[1],buf[2], buf[3], buf[4], buf[5],buf[6],buf[7]);