不知道是不是配置不对 请大神帮忙看看 用的是
STM32l151c8t6 就是进不去中断 到了制定的闹钟时间 没有进中断 求帮忙瞄一瞄是什么地方没配置好
void RTC_conig(void)
{
sta
tic NVIC_InitTypeDef NVIC_InitStructure;
static EXTI_InitTypeDef EXTI_InitStructure;
static RTC_InitTypeDef RTC_InitStructure;
static RTC_TimeTypeDef RTC_TimeStructure;
static RTC_DateTypeDef RTC_DateStruct;
static RTC_AlarmTypeDef RTC_AlarmStruct;
static uint32_t AsynchPrediv = 0, SynchPrediv = 0;
uint8_t ret;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
/*!< Allow access to RTC */
PWR_RTCAccessCmd(ENABLE);
/*!< 使能外部低速时钟 */
RCC_LSEConfig(RCC_LSE_ON);
/*!< 等待外部低速时钟就绪 */
while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{}
/*!< 配置RTC时钟来源 */
RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
/*!< 使能RTC时钟 */
RCC_RTCCLKCmd(ENABLE);
/*!< Wait for RTC APB registers synchronisation */
RTC_WaitForSynchro();
//配置日历
/* 配置RTC数据寄存器以及时钟分频 */
SynchPrediv = 255;
AsynchPrediv = 127;//分频为1Hz
RTC_InitStructure.RTC_AsynchPrediv = AsynchPrediv;
RTC_InitStructure.RTC_SynchPrediv = SynchPrediv;
RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;//24小时制
/* 检查RTC初始化 */
if (RTC_Init( RTC_InitStructure) == ERROR)
{
printf("nr /!\***** RTC Prescaler Config failed ********/!\ nr");
}
// while(!ret)
// {
// ret = RTC_EnterInitMode();
// }
RTC_TimeStructure.RTC_H12 = RTC_HourFormat_24;//RTC_H12_PM;
RTC_TimeStructure.RTC_Hours = 9;
RTC_TimeStructure.RTC_Minutes = 59;
RTC_TimeStructure.RTC_Seconds = 1;
RTC_SetTime(RTC_Format_BIN, RTC_TimeStructure);
RTC_DateStruct.RTC_Date=4;
RTC_DateStruct.RTC_Month=6;
RTC_DateStruct.RTC_WeekDay=1;
RTC_DateStruct.RTC_Year=18;
RTC_SetDate( RTC_Format_BIN, RTC_DateStruct );
//配置自动定时功能
/* 中断配置 *******************************************************/
EXTI_ClearITPendingBit(EXTI_Line17);
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);
/*使能 RTC Wakeup Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = RTC_Alarm_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init( NVIC_InitStructure);
//先关闭 RTC_AlarmCmd(RTC_Alarm_A,DISABLE); 才能使用RTC_SetAlarm
ret = RTC_AlarmCmd(RTC_Alarm_A,DISABLE);
printf("ret = %drn",ret);
RTC_AlarmStruct.RTC_AlarmTime.RTC_H12=RTC_HourFormat_24;
RTC_AlarmStruct.RTC_AlarmTime.RTC_Hours=9;
RTC_AlarmStruct.RTC_AlarmTime.RTC_Minutes=59;
RTC_AlarmStruct.RTC_AlarmTime.RTC_Seconds=20;
// RTC_AlarmStruct.RTC_AlarmDateWeekDay=
// RTC_AlarmStruct.RTC_AlarmDateWeekDaySel=
RTC_AlarmStruct.RTC_AlarmMask=RTC_AlarmMask_Seconds | RTC_AlarmMask_Minutes | RTC_AlarmMask_Hours;
RTC_SetAlarm(RTC_Format_BIN,RTC_Alarm_A, RTC_AlarmStruct);
RTC_ClearFlag(RTC_FLAG_ALRAF);
ret = RTC_AlarmCmd(RTC_Alarm_A,ENABLE);
printf("ret2 = %drn",ret);
/* RTC 唤醒中端配置: Clock Source: RTCDiv_16, Wakeup Time Base: 4s */
// RTC_WakeUpClockConfig(RTC_WakeUpClock_RTCCLK_Div16);
// RTC_SetWakeUpCounter(0x1FFF);//0x1FFF = 8191; 4s = (8191+1)*(1/(32768/16))
/* 使能 the Wakeup Interrupt */
// RTC_ITConfig(RTC_IT_ALRA, ENABLE);
RTC_ITConfig(RTC_IT_ALRA, ENABLE);
}
==================中断处理函数========================
void RTC_Alarm_IRQHandler( void )
{
if( RTC_GetITStatus( RTC_IT_ALRA ) != RESET )
{
RtcRecoverMcuStatus( );
printf("====RTC_Alarm_IRQHandler======rn");
TimerIrqHandler( );
RTC_ClearITPendingBit( RTC_IT_ALRA );
EXTI_ClearITPendingBit( EXTI_Line17 );
}
}
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