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          <span lang="en-us"><font size="4" color="#008080">W77E58 双串口通信源代码</font></span></td>
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    <p>注：此源程序只作参考，内有些函数未有原型，借鉴在于其通信方式及其设置。<br>
    CRC检校可另参考其它代码。<br>
    #include &lt;W77E58.h&gt;<br>
    #include &lt;Const.h&gt;<br>
    #include &lt;CRC8.h&gt;<br>
    <br>
    bit fSeri0_Send_Ok;<br>
    bit fSeri1_Send_Ok;<br>
    <br>
    bit fSeri1_Odd;<br>
    <br>
    /**************************************************<br>
    串口0队列<br>
    **************************************************/<br>
    unsigned char xdata xBuf_Send_0[XBUFSERIAL0SEND];<br>
    unsigned char xdata xBuf_Reci_0[XBUFSERIAL0RECI];<br>
    <br>
    unsigned char xdata *Seri0_ReadSendPoint=xBuf_Send_0;<br>
    unsigned char xdata *Seri0_WriteSendPoint=xBuf_Send_0;<br>
    unsigned char data Seri0_SendNum;<br>
    <br>
    unsigned char xdata *Seri0_ReadReciPoint=xBuf_Reci_0;<br>
    unsigned char xdata *Seri0_WriteReciPoint=xBuf_Reci_0;<br>
    unsigned char data Seri0_ReciNum;<br>
    <br>
    /**************************************************<br>
    压入单数据串口0发送队列<br>
    **************************************************/<br>
    void Seri0_PushSend(unsigned char mData)<br>
    {<br>
    *Seri0_WriteSendPoint=mData;<br>
    if(Seri0_WriteSendPoint==(xBuf_Send_0+XBUFSERIAL0SEND-1))<br>
    Seri0_WriteSendPoint=xBuf_Send_0;<br>
    else Seri0_WriteSendPoint++;<br>
    Seri0_SendNum++;<br>
    if(fSeri0_Send_Ok==0){fSeri0_Send_Ok=1;TI=1;}<br>
    }<br>
    <br>
    /**************************************************<br>
    弹出串口0接收队列单数据<br>
    **************************************************/<br>
    unsigned char Seri0_PopReci()<br>
    {<br>
    unsigned char i;<br>
    if(Seri0_ReciNum==0)return 0;<br>
    <br>
    i=*Seri0_ReadReciPoint;<br>
    if(Seri0_ReadReciPoint==(xBuf_Reci_0+XBUFSERIAL0RECI-1))<br>
    Seri0_ReadReciPoint=xBuf_Reci_0;<br>
    else Seri0_ReadReciPoint++;<br>
    Seri0_ReciNum--;<br>
    return i;<br>
    }<br>
    <br>
    /**************************************************<br>
    读出串口0接收队列指定序号数据<br>
    **************************************************/<br>
    unsigned char Seri0_ReadReci(unsigned char mId)<br>
    {<br>
    unsigned char xdata *pTemp;<br>
    pTemp=Seri0_ReadReciPoint+mId;<br>
    <br>
    if(pTemp&lt;(xBuf_Reci_0+XBUFSERIAL0RECI))return(*pTemp);<br>
    else return(*(pTemp-XBUFSERIAL0RECI));<br>
    }<br>
    <br>
    <br>
    /**************************************************<br>
    串口1队列<br>
    **************************************************/<br>
    unsigned char xdata xBuf_Send_1[XBUFSERIAL1SEND];<br>
    unsigned char xdata xBuf_Reci_1[XBUFSERIAL1RECI];<br>
    <br>
    unsigned char xdata *Seri1_ReadSendPoint=xBuf_Send_1;<br>
    unsigned char xdata *Seri1_WriteSendPoint=xBuf_Send_1;<br>
    unsigned int data Seri1_SendNum;<br>
    <br>
    unsigned char xdata *Seri1_ReadReciPoint=xBuf_Reci_1;<br>
    unsigned char xdata *Seri1_WriteReciPoint=xBuf_Reci_1;<br>
    unsigned char data Seri1_ReciNum;<br>
    <br>
    /**************************************************<br>
    压入单数据串口1发送队列<br>
    **************************************************/<br>
    void Seri1_PushSend(unsigned char mData)<br>
    {<br>
    *Seri1_WriteSendPoint=mData;<br>
    if(Seri1_WriteSendPoint==(xBuf_Send_1+XBUFSERIAL1SEND-1)){<br>
    Seri1_WriteSendPoint=xBuf_Send_1;<br>
    }<br>
    else Seri1_WriteSendPoint++;<br>
    Seri1_SendNum++;<br>
    if(fSeri1_Send_Ok==0){fSeri1_Send_Ok=1;TI_1=1;}<br>
    }<br>
    <br>
    /**************************************************<br>
    弹出串口1接收队列单数据<br>
    **************************************************/<br>
    unsigned char Seri1_PopReci()<br>
    {<br>
    unsigned char i;<br>
    i=*Seri1_ReadReciPoint;<br>
    if(Seri1_ReadReciPoint==(xBuf_Reci_1+XBUFSERIAL1RECI-1))<br>
    Seri1_ReadReciPoint=xBuf_Reci_1;<br>
    else Seri1_ReadReciPoint++;<br>
    Seri1_ReciNum--;<br>
    return i;<br>
    }<br>
    <br>
    <br>
    /**************************************************<br>
    CY=0,使用T1;CY=1,使用T2<br>
    入口：Location=0,串口0;否则串口1<br>
    mBps,波特率。参考Const.h中的定义<br>
    mMode,方式。２慰糃onst.h中的定义<br>
    **************************************************/<br>
    void Init_Serial(unsigned char Location,unsigned char mBps,unsigned char 
    mMode)<br>
    {<br>
    if(CY==0){ /*T1*/<br>
    TMOD=(TMOD&amp;0x0f)|0x20; /*自动重装*/<br>
    if(Location){ /*second*/<br>
    ACC=mBps;<br>
    if(ACC7)CKCON|=0x10; /*x3*/<br>
    ACC=mBps;<br>
    if(ACC6)WDCON|=0x80; /*x2*/<br>
    }<br>
    else { <br>
    /*first*/<br>
    ACC=mBps;<br>
    if(ACC7)CKCON|=0x10; /*x3*/<br>
    ACC=mBps;<br>
    if(ACC6)PCON|=0x80; /*x2*/<br>
    }<br>
    mBps&amp;=0x3f;<br>
    TL1=TH1=(~mBps)+1;<br>
    TR1=1;<br>
    }<br>
    else<br>
    { <br>
    /*T2*/<br>
    ACC=mBps;<br>
    if(ACC7)CKCON|=0x20; /*x3*/<br>
    ACC=mBps;<br>
    if(ACC6)mBps&lt;&lt;=1; /*x2*/<br>
    mBps&amp;=0x3f;<br>
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