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標題: 適用于STC15F104W單片機模擬串口接收數(shù)據(jù)對比函數(shù) [打印本頁]

作者: 80088a 時間: 2021-5-25 03:02
標題: 適用于STC15F104W單片機模擬串口接收數(shù)據(jù)對比函數(shù)
typedef unsigned char BYTE;
BYTE RX_Buffer[32]={"                               "};

void RECEIVE_DATA(void) interrupt 4 using 1       //′串口中斷
{
      unsigned char i = 0;

      if(RI == 1)
      {
            temp = SBUF;

            if(num < 32)
            {

               RX_Buffer[num] = temp;
               num++;
            }
            else
            {
                     num = 0;
            }

            if(temp == '\n'){
                     RX_Buffer[num] = temp;
                     num = 0;
                     flagReceive = 1;             //óDêy¾Y½óêÕ
            }



            RI = 0;
      }

}

對比函數(shù)
void isReceiveOKOrTimeout()
{
      unsigned int count = 0;
      while(count++ < 30000)       //接收到OK或者超時退出
      {
            if(flagReceive){
                     flagReceive = 0;
                     if(
                              RX_Buffer[0] == 'O'
                              && RX_Buffer[1] == 'K'
                              && RX_Buffer[2] == '\r'
                              && RX_Buffer[3] == '\n'
                     )
                     {
                              break;
                     }
            }
      }
}

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