Beispiel #1
0
 /// <summary>
 /// HDLC层接收数据
 /// </summary>
 /// <param name="b">字节数据</param>
 private void InputWrite(byte b)
 {
     try
     {
         if (b == HDLC_ESCAPE)
         {
             m_bInputEscaping = true;
         }
         else
         {
             if (m_bInputEscaping == true)
             {
                 // Kous: 注意一下转化时候按思路执行的
                 b = (byte)(b ^ HDLC_ESCAPE_MASK);
                 m_bInputEscaping = false;
             }
             // add byte to input buffer
             m_u8aInputBuf[m_u8InputBufFill] = b;
             m_u8InputBufFill++;
             // iterate through CRC calculator
             m_u16InputCrc = FCS.Fcs16CalcByte(m_u16InputCrc, b);
         }
     }
     catch (Exception ex)
     {
         CommStackLog.RecordErr(enLogLayer.eHdlc, "InputBuf(" + m_u8InputBufFill + ") " + ex.ToString());
     }
 }
Beispiel #2
0
 /// <summary>
 /// HDLC层发送数据
 /// </summary>
 /// <param name="b"></param>
 public void OutputWrite(byte b)
 {
     m_u8aOutputPacketBuf[m_u8OutputPacketFill++] = b;
     m_u16OutputCrc = FCS.Fcs16CalcByte(m_u16OutputCrc, b);
     // write optional escape byte
     if (b == HDLC_FLAG || b == HDLC_ESCAPE)
     {
         m_u8aOutputBuf[m_u8OutputBufFill++] = HDLC_ESCAPE;
         b = (byte)(b ^ HDLC_ESCAPE_MASK);
     }
     // data byte
     m_u8aOutputBuf[m_u8OutputBufFill++] = b;
 }