发表于:2003-05-08 10:19:00
1楼
串口初始化函数
void initcom(int COM_ADDR)
{
outp(COM_ADDR+3,0x80);/*set 8250 DLAB=1*/
outp(COM_ADDR,0x0c); /*9600 bps*/
outp(COM_ADDR+1,0x00);
outp(COM_ADDR+3,0x03);/*8 data bits,1 stop bits,no parity*/
outp(COM_ADDR+4,0x0b); /* OUT2,RTS,DTR ON */
}