command.c

来自「mifarea卡程序mifarea卡程序mifarea卡程序」· C语言 代码 · 共 69 行

/****************************************
 * command.c                            *
 * Designe by 刘俐训                    *
 * check and excute command from host   *
 * last update: 04-07-2007              *
 ****************************************/

void command(void)
{
    unsigned char i;
    unsigned int len;           // 通讯报文长度
    unsigned char buf[316];     // 通讯、操作用临时数据缓冲
    unsigned int rsplen;

    if((len = CommRead(buf, sizeof(buf)-1)) > 0)
    {
        switch(buf[0])  // buf[0]: cmd target
        {
            case IC_M1:
                M1Command(buf+1, len-1);
                break;
                
            case IC_SAM1:
            case IC_SAM2:
            case IC_SAM3:
            case IC_USER:
                TcCommand(buf, len);
                break;
            
            case SYSTEM:
                SysCommand(buf+1, len-1);
                
            default:
        }
    }
}

void Connect(unsigned int time)
{
    unsigned int starttime;
    unsigned char ch;
    int i;
    unsigned char tar;
    bit freading = 0;
    
    starttime = GetTickCount();
    
    while(GetTickCount() - starttime < time)
    {
        // check serial port
        if(ComIBufBytesTell() > 0)
        {
            // restart timer
            starttime = GetTickCount();
            
            // read
            ComRead(&ch, 1);
            
            // if ch is a command, do it
            
            // else write ch to tar
        }
        
        if(freading && // ch = read from tar > 0)
        {
            
        }
    }
}