求助，我的程序RTCALARM报警中断为啥进不去

发表于 2013-3-30 11:31

谢谢了，求高手指点，周一领导要要，感觉都设置了不知道哪里出的问题，

发表于 2013-3-30 11:35

int main()
{
#ifdef DEBUG
debug();
#endif
u32 tmp=0;

Configuration();
deletef("cmd.dat");
creatf("cmd.dat",0,0);
//RTC_Configuration();
RTC_ITConfig(RTC_IT_SEC, ENABLE);                                                       //使能中断
RTC_WaitForLastTask();
RTC_ITConfig(RTC_IT_ALR,ENABLE);
RTC_WaitForLastTask();
tmp=RTC_GetCounter();
RTC_WaitForLastTask();
RTC_SetAlarm(tmp + 60);             //60S 后RTC报警唤醒
RTC_WaitForLastTask();
while(1)
{
   RCC_ClearFlag();
   if(count>4000)
   {
         writef("cmd.dat",GPS,count);             //写入SD卡SRAM的数据
   GPIO_SetBits(GPIOB, GPIO_Pin_12);                         //给GPS供电打开
         Delay1(1500);
   count=0;
   }
   else
   {
         GPIO_SetBits(GPIOB, GPIO_Pin_12);                         //给GPS供电打开
         Delay1(1500);
   }
   USART_ITConfig(USART3,USART_IT_RXNE  , ENABLE);
   GPSdataformat();               //用串口收到GPS数据，并且写入 SRAM

   if (dingwei==0)
   {

   //PWR_EnterSTOPMode(PWR_Regulator_LowPower,PWR_STOPEntry_WFE) ; //系统进入STOP模式
   //Configuration();

   }
    }
}

发表于 2013-3-30 11:36

我吧进入STOP模式关了，因为报警没好用，

发表于 2013-3-30 11:39

void Configuration(void)
{
RCC_Configuration();    //时钟初始化
NVIC_Configuration();    //中断初始化
GPIO_Configuration();    //I/O口初始化
USART3_Configuration();    //串口3初始化
power_on1();    // SPI初始化
    SysTick_SetReload(9000);    //重装系统街拍
SysTick_ITConfig(ENABLE);    //使能体统中断
RTC_SetAlarm_EXTI() ;    //RTC闹钟报警设置
RTC_ITConfig(RTC_IT_ALR, ENABLE);
RTC_WaitForLastTask();

RTC_Config() ;               //RTC设置
Delay1(2000);
}

void RCC_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON);
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus == SUCCESS)
{
      FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);          /* Enable Prefetch Buffer */
      FLASH_SetLatency(FLASH_Latency_2);            /* Flash 2 wait state */
      RCC_HCLKConfig(RCC_SYSCLK_Div1);             /* HCLK = SYSCLK */
      RCC_PCLK2Config(RCC_HCLK_Div1);       /* PCLK2 = HCLK */
      RCC_PCLK1Config(RCC_HCLK_Div2);       /* PCLK1 = HCLK/2 */
      RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);       /* PLLCLK = 8MHz * 9 = 72 MHz */
      RCC_PLLCmd(ENABLE); /* Enable PLL */
      while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)       /* Wait till PLL is ready */
      {
      }
      RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); /* Select PLL as system clock source */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
                             RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE);
      while(RCC_GetSYSCLKSource() != 0x08)                      /* Wait till PLL is used as system clock source */
      {
      }
}
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
}

void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = RTC_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);

}

void RTC_SetAlarm_EXTI(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
EXTI_ClearITPendingBit(EXTI_Line17);
EXTI_InitStructure.EXTI_Line = EXTI_Line17;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_Init(&EXTI_InitStructure);

RTC_NVIC_Config();
}

void RTC_NVIC_Config(void)

{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQChannel;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void RTC_Config(void)
{
   RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
      //后备域解锁
   PWR_BackupAccessCmd(ENABLE);
//我们在BKP的后备寄存器1中，存了一个特殊字符0xA5A5
//第一次上电或后备电源掉电后，该寄存器数据丢失，
//表明RTC数据丢失，需要重新配置
if (BKP_ReadBackupRegister(BKP_DR1) != 0xA5A5)
{
      //重新配置RTC
      RTC_Configuration();
      //配置完成后，向后备寄存器中写特殊字符0xA5A5
      BKP_WriteBackupRegister(BKP_DR1, 0xA5A5);
settime=1;
}
else
{
      //若后备寄存器没有掉电，则无需重新配置RTC
      //这里我们可以利用RCC_GetFlagStatus()函数查看本次复位类型
      if (RCC_GetFlagStatus(RCC_FLAG_PORRST) != RESET)
      {
         //这是上电复位
      }
      else if (RCC_GetFlagStatus(RCC_FLAG_PINRST) != RESET)
      {
         //这是外部RST管脚复位
      }
      //清除RCC中复位标志
      RCC_ClearFlag();

      //虽然RTC模块不需要重新配置，且掉电后依靠后备电池依然运行
      //但是每次上电后，还是要使能RTCCLK???????
      //RCC_RTCCLKCmd(ENABLE);
      //等待RTC时钟与APB1时钟同步
      //RTC_WaitForSynchro();

      //使能秒中断
      //RTC_ITConfig(RTC_IT_SEC, ENABLE);
      //等待操作完成
// RTC_ITConfig(RTC_IT_SEC, ENABLE);

      RTC_WaitForLastTask();

}

#ifdef RTCClockOutput_Enable
/* Enable PWR and BKP clocks */

/* Disable the Tamper Pin */
BKP_TamperPinCmd(DISABLE);

/* Enable RTC Clock Output on Tamper Pin */
BKP_RTCOutputConfig(BKP_RTCOutputSource_CalibClock);
#endif

return;
}

发表于 2013-3-30 11:40

void RTCAlarm_IRQHandler(void)

{
  if(RTC_GetITStatus(RTC_IT_ALR) != RESET)
  {

EXTI_ClearITPendingBit(EXTI_Line17);

/* Check if the Wake-Up flag is set */
if(PWR_GetFlagStatus(PWR_FLAG_WU) != RESET)
{
   /* Clear Wake Up flag */
   PWR_ClearFlag(PWR_FLAG_WU);
}

/* Clear the RTC Second interrupt */
RTC_ClearITPendingBit(RTC_IT_ALR);

/* Enable time update */
TimeDisplay = 1;

/* Wait until last write operation on RTC registers has finished */
RTC_WaitForLastTask();
/* Reset RTC Counter when Time is 23:59:59 */
if(RTC_GetCounter() == 0x00015180)
{
   RTC_SetCounter(0x0);
   /* Wait until last write operation on RTC registers has finished */
   RTC_WaitForLastTask();
}
  }

}

求助，我的程序RTCALARM报警中断为啥进不去

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