V1.23 标签没数据2S之后，MODBUS输出0x1ffff

zhyinch

2020-05-23 6e05e12690b25544bc4d678a9b814a864afe0b8d

 源码/核心板/Src/OnChipDevices/Usart.c

@@ -240,7 +240,7 @@
      else if(cmd_mode==2)
      {
         //modbus鍗忚
      //   delay_ms(10);//绛夊緟鏁版嵁鎺ユ敹瀹屾垚
         delay_ms(10);//绛夊緟鏁版嵁鎺ユ敹瀹屾垚
         DMACnt = EUART_RX_BUF_SIZE - (EUART_RX_DMA_CH->CNDTR);   
      if((overrun_flag==0&&DMACnt>DMA_rxtemp2)||(overrun_flag==1&&DMACnt<DMA_rxtemp&&DMACnt>DMA_rxtemp2))         
      {   while(m_EUART_DMA_RXPtr != DMACnt && MaxDataLen > 0)
@@ -313,6 +313,8 @@
      t4++;
      #ifdef BAUDRATE_19200
      delay_us(500);
      #else
      delay_us(10);
      #endif
//      temp32 = GPIOC->CRH;         //C10澶嶇敤鎺ㄦ尳杈撳嚭
//      temp32 &= ~(0x00000000F<<8);