一种方便调试的打印语句宏定义

/*------------------------------------------------------------------------------
HELLO.C

Copyright 1995-1999 Keil Software, Inc.
------------------------------------------------------------------------------*/

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

#include <stdio.h>                /* prototype declarations for I/O functions */
#include <stdlib.h>
#include <string.h>
#include <ABSACC.H>

#define APP_DBG  //print my dbg-info

#ifdef APP_DBG
#define dprintf(fmt,param...) do{ /
 printf("[%s : %d]/t",__FILE__,__LINE__); /
 printf(fmt,##param); /
 /*fflush(stdout);*/ /
 }while(0)//现在GCC编译器通过,VC、KeilC编译器不能通过
    //怎样能写一个在大多数编译器都能通过的宏
#else
#define dprintf(fmt,param...)
#endif

#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.
------------------------------------------------*/
void main (void) {
 char *p_str="init string";
/*------------------------------------------------
Setup the serial port for 1200 baud at 16MHz.
------------------------------------------------*/
#ifndef MONITOR51
    SCON  = 0x50;          /* SCON: mode 1, 8-bit UART, enable rcvr      */
    TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
    TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
    TR1   = 1;                  /* TR1:  timer 1 run                          */
    TI    = 1;                  /* TI:   set TI to send first char of UART    */
#endif

/*------------------------------------------------
Note that an embedded program never exits (because
there is no operating system to return to).  It
must loop and execute forever.
------------------------------------------------*/

 dprintf("which file : which line/n");

 if(NULL!=p_str)
  dprintf("%s%d/n",p_str,100);   /* Print "Hello World" */

 dprintf("%s:%d,%d/n","Nme",120,56);

  while (1) {
    P1 ^= 0x01;           /* Toggle P1.0 each time we print */

  }
}

 

posted @ 2009-03-20 11:56  秋将暮  阅读(209)  评论(0编辑  收藏  举报