Question
STM32L4r5vit rtc wakeup from stopmode2 and unable to re enter stopmode2
Hi i am able to enter stop mode but after returning stop mode again i am unable enter stop mode
HAL_RTCEx_DeactivateWakeUpTimer(&hrtc);
HAL_RTCEx_SetWakeUpTimer_IT(&hrtc, 0x3FFF, RTC_WAKEUPCLOCK_RTCCLK_DIV16);
HAL_SuspendTick();
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
if(__HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET){
/* Clear standby flag */
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
}
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WUF2);
__HAL_PWR_CLEAR_FLAG(PWR_EXTI_LINE_PVD);
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WUFI);
HAL_ResumeTick();