d051.bmp.txt

Visual C++通信编程实例

if( !GetCommState(m_hCom, &dcb》
        retum FALSE;
dcb.fBinary=TRUE;
dcb.BaudRate= m_nBaud;，，数据传输速率
dcb.ByteSize= m_nDataBits;／，每字节位数
dcb.fParity= TRUE;
switch(m_nParity) //校验设置
case 0:
dcb.Parity=NOPARITY;
 break;
case l:
dcb.Parity=EVENPARITY;
 break;
case 2:
dcb.Parity=ODDPARITY;
 break;
default:;
}
switch(m_nStopBits)，／停止位
{
case 0:
dcb.StopBits=ONESTOPBIT;
 break;
case l:
dcb.StopBits=ONE5STOPBITS;
break;
case 2:
dcb.StopBits=TWOSTOPBITS;
break;
default:;
}
switch(m_nFlowCtrl)  ／／流控制选项设置
{
case0：
    ／，硬件流控制设置
    dcb.fOutxCtsFlow= FALSE;
    dcb.fRtsControl= FALSE;
    ／，XON/XOFF流控制设置
    dcb.flnX=dcb.fOutX= FALSE;
    break;
case l：
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