/* Start the specified timer and enable update interrupt.  */
void gtimer_start(gtimer_t *obj)
/* Start the specified timer and enable update interrupt.  */
void gtimer_start(gtimer_t *obj)
{
	uint32_t tid = obj->timer_id;
	assert_param(tid < GTIMER_MAX);
	RTIM_INTConfig(TIMx[tid], TIM_IT_Update, ENABLE);
	RTIM_Cmd(TIMx[tid], ENABLE);
}