|
uint8 ModemDialDown(void)<br />{<br /> U1MCR = 0x02;<br /> OSTimeDly(OS_TICKS_PER_SEC / 10);<br /> U1MCR = 0x03;<br /> OSTimeDly(OS_TICKS_PER_SEC / 10);<br /> return ModemState;<br />}<br /><br />设置DTR为0，使MODEM挂机并返回命令状态
|
楼主
