+

来自「Visual C++串口通信开发入门与编程实践」· 代码 · 共 24 行

int serXopen(bard)
#define DINBUFSIZE 1023 //设置D串口输入缓冲区为1023字节
#define DOUTBUFSIZE 255 //设置D串口输出缓冲区为255字节
int serXgetc()
int xm_serDgetc(int msdelay)
{
  long time;
  int res;
  time = MS_TIMER + msdelay;
  for (;;)
  {
    res = serDgetc();
    if (MS_TIMER >= time)
      break;
    if (res !=  - 1)
      break;
  }
  return res;
}
    int serXgetc()
    int serXputs(*s)
    int serXwrite(s, length)
    void serXclose()