STM32开机上位机通讯，2分钟后停止通讯

ID:699437 · 发表于 2020-2-28 10:33

      HAL_TIM_Base_Start_IT(&htim2); //打开定时器
  AlarmASet();
  HAL_RTCEx_SetWakeUpTimer_IT(&hrtc, 59, RTC_WAKEUPCLOCK_CK_SPRE_16BITS);

  if( (RCC->CSR & 0x20000000) == 0 ) //软件(Bit28)或上电(Bit27)复位 RCC_FLAG_IWDGRST(Bit29)
  {
      HAL_UART_Receive_IT(&huart1,RxHost,7);    //允许上位机通讯
      while(TimSec < 120)    //2分钟定时
      {
               if(TimTmp != TimSec)
               {
                        TimTmp = TimSec;
                        GetValue();
            FlotoBCD(Value);
            LcdComm(0x58);
            Display();
               }

         if(Rx1Flag == 2)    //收到上位机数据
         {
                  Rx1Flag = 0;
                  TimSec = 0;
                  HostReve();
         }
         else if( (Rx1Flag == 1) && (TimSec > 1) )
         {
                  HAL_UART_AbortReceive_IT(&huart1);
                  __HAL_UART_ENABLE_IT(&huart1,UART_IT_RXNE);
                  HAL_UART_Receive_IT(&huart1,RxHost,7);
                  Rx1Flag = 0;
         }
      }

      NumId = 0;
      AdNum = 0;
      Bake = 0;
      SendData();
      if(ComErr)
               HAL_Delay(6000);
      else
      {
               TimTmp = SamNum;
               SamNum = 1;
               for(i=0; i<3; i++)
               {
                        AdNum = 0;
                        while(Timing == 0);
                        Timing = 0;
                        RtcTime(0,0);
                        GetValue();
                        FlotoBCD(Value);
                        WrData();
                        AdNum = 1;
                        SendData();
                        if(ComErr)
                        {
                                 HAL_Delay(6000);
                                 break;
                        }
               }
               SamNum = TimTmp;
               AdNum = 0;
      }
  }

ID:276663 · 发表于 2020-2-28 15:25

不知道你要干啥啊

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