国产免费AV|泡泡玛特欧洲总部将设在伦敦|中文天堂网www新版资源在线|一本久道综合在线中文|国精产品一二三产区的使用方法|香蕉鱼在线观看|www.27eee

ELEOK

標(biāo)題: STM32 PVD程序 掉電緊急系統(tǒng)信息轉(zhuǎn)存EEPROM [打印本頁]
作者: coolice    時間: 2021-8-13 18:10
標(biāo)題: STM32 PVD程序 掉電緊急系統(tǒng)信息轉(zhuǎn)存EEPROM
  1. void PVD_IRQHandler(void)
  2. {
  3.   if (EXTI_GetITStatus(EXTI_Line16) != RESET)
  4.   {
  5.     //清理16號中斷線
  6.     EXTI_ClearITPendingBit(EXTI_Line16);
  7.     //警報燈LE0翻轉(zhuǎn)
  8.     LED0 = !LED0;
  9.     AT24CXX_Write(0, (u8*)PVD, sizeof(PVD));  
  10.   }
  11. }


  14. void PVD_Init(void)

  16. {  
  17.         

  19.    NVIC_InitTypeDef NVIC_InitStruct;
  20.    EXTI_InitTypeDef EXTI_InitStructure;

  22.    NVIC_InitStruct.NVIC_IRQChannel = PVD_IRQn;
  23.    NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0;
  24.    NVIC_InitStruct.NVIC_IRQChannelSubPriority = 2;
  25.    NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;


  28.    NVIC_Init(&NVIC_InitStruct);//允許中斷
  29.         
  30.          EXTI_ClearITPendingBit(EXTI_Line16);
  31.     EXTI_InitStructure.EXTI_Line = EXTI_Line16;
  32.     EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  33.     EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;//EXTI_Trigger_Falling   ;//EXTI_Trigger_Rising;
  34.     EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  35.     EXTI_Init(&EXTI_InitStructure);

  37.         
  38.         
  39.           // 以下PVD_Init 一份.  main函數(shù)在 PVD_Init();前一份
  40.     PWR_PVDLevelConfig(PWR_PVDLevel_2V5);
  41.     PWR_PVDCmd(ENABLE);
  42.     RCC_APB1PeriphClockCmd( RCC_APB1Periph_PWR, ENABLE); //_PWR, ENABLE);
  43. }
復(fù)制代碼






歡迎光臨 ELEOK (http://m.afoofa.cn/) Powered by Discuz! X5.0