main.c

来自「pic 实例源程序 有需要的兄弟久拿走啊 别客气 哈哈 我会继续努力的」· C语言 代码 · 共 42 行

#include <REG52.H>                /* special function register declarations   */
                                  /* for the intended 8051 derivative         */

#include <stdio.h>                /* prototype declarations for I/O functions */

#ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
#endif                                   /* Stop Exection with Serial Intr.   */
                                         /* is enabled                        */
/*------------------------------------------------
The main C function.  Program execution starts
here after stack initialization.
------------------------------------------------*/

sbit CLR=P0^0;
sbit READY=P0^1;

void delay();

main()
{
    unsigned char indata;
    CLR=0;
    while(1)
    {
        while(READY)
        {
            indata=P1;
            CLR=1;
            delay();
            CLR=0;
        }
    }
}

void delay()
{
    int i=0;
    while(i<100)i++;
}