不产生RTC闹钟中断

只看该作者 · 2018-11-29 21:12

最近碰到一个问题,有关RTC闹钟的中断,就是要求每一个小时整点产生一次RTC闹钟中断,前几个小时正常,可后面就不产生RTC中断,各位指点下.

只看该作者 · 2018-11-29 23:28

肯定是处理中断处理的不对了。

只看该作者 · 2018-11-29 23:28

你这样每次中断后，你重新初始化一次这个配置。

只看该作者 · 2018-11-30 08:17

楼上好建议，毕竟中断次数太少，每次中断处理结束后再执行一次初始化还是可以的。防止配置失效。

只看该作者 · 2018-12-3 17:22

本帖最后由 274048251 于 2018-12-3 17:26 编辑

xinpian101 发表于 2018-11-29 23:28
你这样每次中断后，你重新初始化一次这个配置。

给你看下,void NVIC_Configuration(void)
{
      NVIC_InitTypeDef NVIC_InitStructure;
      EXTI_InitTypeDef EXTI_InitStructure;

      /* Set the Vector Table base location at 0x08000000 */
      NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);

      /* 2 bit for pre-emption priority, 2 bits for subpriority */
      NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
      //------RTC闹钟-------------------------------------------------------
      NVIC_InitStructure.NVIC_IRQChannel = RTC_Alarm_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      EXTI_InitStructure.EXTI_Line = EXTI_Line17;
      EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
      EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
      EXTI_InitStructure.EXTI_LineCmd = ENABLE;
      EXTI_Init(&EXTI_InitStructure);

      // 键盘
      NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);
   //蓝牙
      NVIC_InitStructure.NVIC_IRQChannel = BLE_INT_EXTI_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);
      //恢复出厂按键
      NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

#if WATCHDOG_ENABLE
      NVIC_InitStructure.NVIC_IRQChannel = WWDG_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 4;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);
#endif

      //------TIM6-------------------------------------------------------
      NVIC_InitStructure.NVIC_IRQChannel = TIM6_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 5;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      #if LOCK_WITH_FINGERPRINT
      // 指纹
      NVIC_InitStructure.NVIC_IRQChannel = FP_MODULE_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 6;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);
   #endif

      //------TIM4读卡-------------------------------------------------------
      NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 7;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      //------TIM3-------------------------------------------------------
      NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 8;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      // console串口
      NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 9;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 10;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 11;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 12;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);void RTC_Alarm_IRQHandler(void)
{
keylock_t * keylock=Keylock_Msg_Accept();

RFID_ChkCard_Disable();
if (RTC_GetITStatus(RTC_IT_ALRA) != RESET)
{
RTC_ClearITPendingBit(RTC_IT_ALRA);
EXTI_ClearITPendingBit(EXTI_Line17);
//System_Sleep_Disable();
IntWakeupSce.Sys_sync_flag= SYNC_RECYCLE;
}
if (RTC_GetITStatus(RTC_IT_ALRB) != RESET)
{
RTC_ClearITPendingBit(RTC_IT_ALRB);
EXTI_ClearITPendingBit(EXTI_Line17);
if (keylock->lockedflag == TRUE)
{
IntWakeupSce.lockedrelease = TRUE;
}
}
#ifdef CHECK_WAKEUP_MODE
wakeup_mode |= WAKEUP_BY_RTC;
#endif

void RTC_RandomPwUpdate_Alarm(void)
{
RTC_TimeTypeDef  RTC_TimeStruct;
RTC_AlarmTypeDef RTC_AlarmStruct;

APP_TRACE_DBG("%s %d\n", __FUNCTION__, __LINE__);
   RTC_GetTime(RTC_Format_BIN, &RTC_TimeStruct);
RTCTime_AddCalculate(1, CALCULATE_HOUR, &RTC_TimeStruct);

/* Allow access to BKP Domain */
PWR_RTCAccessCmd(ENABLE);
RTC_AlarmCmd(RTC_Alarm_A, DISABLE);
    RTC_AlarmStruct.RTC_AlarmTime.RTC_H12 = RTC_TimeStruct.RTC_H12;
    RTC_AlarmStruct.RTC_AlarmTime.RTC_Hours = RTC_TimeStruct.RTC_Hours;
RTC_AlarmStruct.RTC_AlarmTime.RTC_Minutes = (RTC_TimeStruct.RTC_Minutes + 10) % 60;
RTC_AlarmStruct.RTC_AlarmTime.RTC_Seconds = 0;
RTC_AlarmStruct.RTC_AlarmDateWeekDay = 0x31;
    RTC_AlarmStruct.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;
    RTC_AlarmStruct.RTC_AlarmMask = RTC_AlarmMask_DateWeekDay| RTC_AlarmMask_Hours;
    RTC_SetAlarm(RTC_Format_BIN, RTC_Alarm_A, &RTC_AlarmStruct);
    RTC_WaitForSynchro();
RTC_ClearFlag(RTC_FLAG_ALRAF);
EXTI_ClearITPendingBit(EXTI_Line17);
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
    RTC_AlarmCmd(RTC_Alarm_A, ENABLE);

我这里改成10分钟一次.
本来我要的是1个小时一次中断

1万 · 2018-12-4 13:00

估计是程序哪里跑丢了

1万 · 2018-12-4 13:07

程序跑飞了有可能是数据类型的问题

不产生RTC闹钟中断

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