getkey.c

新华龙c8051f020单片机 串口调试示例程序

/*串口1通信底层函数*/
#include <c8051f020.h>                 // SFR declarations

char _getkey ()  {
  char c;

  while ((SCON1&0X1)!=0X1);
  c = SBUF1;
  SCON1&=~0X1;
  return (c);
}