怪事了，同一个C文件，为何编译出来的HEX文件不同？

ID:290381 · 发表于 2018-3-11 14:16

首先我看了教学视频后，估计打算不看源程序就自己编写一下先

#include <reg52.h>
void main()
{
P0 = ~0x3f;
while(1);
}

复制代码

结果LED 不亮。

对比一下光盘里的源程序，觉得功能实现上没多大区别啊。

然后copy源程序来编译，就得出下面两种结果。

/**************************************************************************************
*                            静态数码管显示实验                                                                                                 *
实现现象：下载程序后数码管静态显示0。
注意事项：
***************************************************************************************/

#include "reg52.h"                      //此文件中定义了单片机的一些特殊功能寄存器

typedef unsigned int u16;       //对数据类型进行声明定义
typedef unsigned char u8;

u8 code smgduan[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
                                    0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//显示0~F的值

/*******************************************************************************
* 函数名    : main
* 函数功能                : 主函数
* 输入    : 无
* 输出          : 无
*******************************************************************************/
void main()
{
      P0=~smgduan[0];
      while(1);
}

HEX 文件1：把源程序copy到我的工程文件里编译，LED不亮。

:01000F0022CE

:03000000020003F8

:0C000300787FE4F6D8FD75810702000F3D

:00000001FF

复制代码
HEX 文件2：打开光盘的工程文件编译。LED 亮。这是光盘里源程序编译出来的HEX文件

:100003003F065B4F666D7D077F6F777C395E797145

:0100130000EC

:0A002000900003E493F4F58080FEE5

:03000000020014E7

:0C001400787FE4F6D8FD7581070200201B

:00000001FF

复制代码

这是何故？

ID:290381 · 发表于 2018-3-11 15:00

另附上两个M51文件。
HEX 1 的M51文件

BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 01:12:24 PAGE 1
BL51 BANKED LINKER/LOCATER V6.22.2.0, INVOKED BY:
C:\KEIL51\C51\BIN\BL51.EXE main.obj TO template
MEMORY MODEL: SMALL
INPUT MODULES INCLUDED:
main.obj (MAIN)
C:\KEIL51\C51\LIB\C51S.LIB (?C_STARTUP)
LINK MAP OF MODULE: template (MAIN)
TYPE BASE LENGTH RELOCATION SEGMENT NAME
-----------------------------------------------------
* * * * * * * D A T A M E M O R Y * * * * * * *
REG 0000H 0008H ABSOLUTE "REG BANK 0"
IDATA 0008H 0001H UNIT ?STACK
* * * * * * * C O D E M E M O R Y * * * * * * *
CODE 0000H 0003H ABSOLUTE
CODE 0003H 000CH UNIT ?C_C51STARTUP
CODE 000FH 0001H UNIT ?PR?MAIN?MAIN
OVERLAY MAP OF MODULE: template (MAIN)
SEGMENT
+--> CALLED SEGMENT
---------------------
?C_C51STARTUP
+--> ?PR?MAIN?MAIN
SYMBOL TABLE OF MODULE: template (MAIN)
VALUE TYPE NAME
----------------------------------
------- MODULE MAIN
C:0000H SYMBOL _ICE_DUMMY_
D:0090H PUBLIC P1
D:00B0H PUBLIC P3
D:00A8H PUBLIC IE
D:00B8H PUBLIC IP
C:000FH PUBLIC main
D:0098H PUBLIC SCON
D:0088H PUBLIC TCON
D:00C8H PUBLIC T2CON
D:00D0H PUBLIC PSW
------- PROC MAIN
C:000FH LINE# 3
BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 01:12:24 PAGE 2
C:000FH LINE# 4
C:000FH LINE# 6
------- ENDPROC MAIN
------- ENDMOD MAIN
Program Size: data=9.0 xdata=0 code=16
LINK/LOCATE RUN COMPLETE. 0 WARNING(S), 0 ERROR(S)

复制代码

HEX2 的M51文件

BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 14:48:52 PAGE 1
BL51 BANKED LINKER/LOCATER V6.22.2.0, INVOKED BY:
C:\KEIL51\C51\BIN\BL51.EXE main.obj TO template
MEMORY MODEL: SMALL
INPUT MODULES INCLUDED:
main.obj (MAIN)
C:\KEIL51\C51\LIB\C51S.LIB (?C_STARTUP)
LINK MAP OF MODULE: template (MAIN)
TYPE BASE LENGTH RELOCATION SEGMENT NAME
-----------------------------------------------------
* * * * * * * D A T A M E M O R Y * * * * * * *
REG 0000H 0008H ABSOLUTE "REG BANK 0"
IDATA 0008H 0001H UNIT ?STACK
* * * * * * * C O D E M E M O R Y * * * * * * *
CODE 0000H 0003H ABSOLUTE
CODE 0003H 0011H UNIT ?CO?MAIN
CODE 0014H 000CH UNIT ?C_C51STARTUP
CODE 0020H 000AH UNIT ?PR?MAIN?MAIN
OVERLAY MAP OF MODULE: template (MAIN)
SEGMENT
+--> CALLED SEGMENT
---------------------
?C_C51STARTUP
+--> ?PR?MAIN?MAIN
?PR?MAIN?MAIN
+--> ?CO?MAIN
SYMBOL TABLE OF MODULE: template (MAIN)
VALUE TYPE NAME
----------------------------------
------- MODULE MAIN
C:0000H SYMBOL _ICE_DUMMY_
D:0080H PUBLIC P0
D:0090H PUBLIC P1
D:00B0H PUBLIC P3
D:00A8H PUBLIC IE
D:00B8H PUBLIC IP
C:0020H PUBLIC main
D:0098H PUBLIC SCON
BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 14:48:52 PAGE 2
D:0088H PUBLIC TCON
D:00C8H PUBLIC T2CON
C:0003H PUBLIC smgduan
D:00D0H PUBLIC PSW
------- PROC MAIN
C:0020H LINE# 23
C:0020H LINE# 24
C:0020H LINE# 25
C:0028H LINE# 26
------- ENDPROC MAIN
------- ENDMOD MAIN
Program Size: data=9.0 xdata=0 code=42
LINK/LOCATE RUN COMPLETE. 0 WARNING(S), 0 ERROR(S)

复制代码

抓狂了。

ID:290381 · 发表于 2018-3-11 15:02

HEX1 的M51 文件

BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 01:12:24 PAGE 1
BL51 BANKED LINKER/LOCATER V6.22.2.0, INVOKED BY:
C:\KEIL51\C51\BIN\BL51.EXE main.obj TO template
MEMORY MODEL: SMALL
INPUT MODULES INCLUDED:
main.obj (MAIN)
C:\KEIL51\C51\LIB\C51S.LIB (?C_STARTUP)
LINK MAP OF MODULE: template (MAIN)
TYPE BASE LENGTH RELOCATION SEGMENT NAME
-----------------------------------------------------
* * * * * * * D A T A M E M O R Y * * * * * * *
REG 0000H 0008H ABSOLUTE "REG BANK 0"
IDATA 0008H 0001H UNIT ?STACK
* * * * * * * C O D E M E M O R Y * * * * * * *
CODE 0000H 0003H ABSOLUTE
CODE 0003H 000CH UNIT ?C_C51STARTUP
CODE 000FH 0001H UNIT ?PR?MAIN?MAIN
OVERLAY MAP OF MODULE: template (MAIN)
SEGMENT
+--> CALLED SEGMENT
---------------------
?C_C51STARTUP
+--> ?PR?MAIN?MAIN
SYMBOL TABLE OF MODULE: template (MAIN)
VALUE TYPE NAME
----------------------------------
------- MODULE MAIN
C:0000H SYMBOL _ICE_DUMMY_
D:0090H PUBLIC P1
D:00B0H PUBLIC P3
D:00A8H PUBLIC IE
D:00B8H PUBLIC IP
C:000FH PUBLIC main
D:0098H PUBLIC SCON
D:0088H PUBLIC TCON
D:00C8H PUBLIC T2CON
D:00D0H PUBLIC PSW
------- PROC MAIN
C:000FH LINE# 3
BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 01:12:24 PAGE 2
C:000FH LINE# 4
C:000FH LINE# 6
------- ENDPROC MAIN
------- ENDMOD MAIN
Program Size: data=9.0 xdata=0 code=16
LINK/LOCATE RUN COMPLETE. 0 WARNING(S), 0 ERROR(S)

复制代码

HEX2 的M51文件

BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 14:48:52 PAGE 1
BL51 BANKED LINKER/LOCATER V6.22.2.0, INVOKED BY:
C:\KEIL51\C51\BIN\BL51.EXE main.obj TO template
MEMORY MODEL: SMALL
INPUT MODULES INCLUDED:
main.obj (MAIN)
C:\KEIL51\C51\LIB\C51S.LIB (?C_STARTUP)
LINK MAP OF MODULE: template (MAIN)
TYPE BASE LENGTH RELOCATION SEGMENT NAME
-----------------------------------------------------
* * * * * * * D A T A M E M O R Y * * * * * * *
REG 0000H 0008H ABSOLUTE "REG BANK 0"
IDATA 0008H 0001H UNIT ?STACK
* * * * * * * C O D E M E M O R Y * * * * * * *
CODE 0000H 0003H ABSOLUTE
CODE 0003H 0011H UNIT ?CO?MAIN
CODE 0014H 000CH UNIT ?C_C51STARTUP
CODE 0020H 000AH UNIT ?PR?MAIN?MAIN
OVERLAY MAP OF MODULE: template (MAIN)
SEGMENT
+--> CALLED SEGMENT
---------------------
?C_C51STARTUP
+--> ?PR?MAIN?MAIN
?PR?MAIN?MAIN
+--> ?CO?MAIN
SYMBOL TABLE OF MODULE: template (MAIN)
VALUE TYPE NAME
----------------------------------
------- MODULE MAIN
C:0000H SYMBOL _ICE_DUMMY_
D:0080H PUBLIC P0
D:0090H PUBLIC P1
D:00B0H PUBLIC P3
D:00A8H PUBLIC IE
D:00B8H PUBLIC IP
C:0020H PUBLIC main
D:0098H PUBLIC SCON
BL51 BANKED LINKER/LOCATER V6.22.2.0 03/11/2018 14:48:52 PAGE 2
D:0088H PUBLIC TCON
D:00C8H PUBLIC T2CON
C:0003H PUBLIC smgduan
D:00D0H PUBLIC PSW
------- PROC MAIN
C:0020H LINE# 23
C:0020H LINE# 24
C:0020H LINE# 25
C:0028H LINE# 26
------- ENDPROC MAIN
------- ENDMOD MAIN
Program Size: data=9.0 xdata=0 code=42
LINK/LOCATE RUN COMPLETE. 0 WARNING(S), 0 ERROR(S)

复制代码

ID:130231 · 发表于 2018-3-11 15:17

你确定编译时芯片有没有选对？

ID:290381 · 发表于 2018-3-11 15:45

搞定了，原来是选了不同的芯片，所以出现不同的编译结果。

ID:290381 · 发表于 2018-3-11 18:51

zqy181818 发表于 2018-3-11 15:17
你确定编译时芯片有没有选对？

谢谢。

我发现其实我芯片是选对的。在KEIL 4 设置的芯片是amtel 的at89c51，编译出来的程序能把led点亮
后来我再装了KEIL 5的最新版本，但这个版本没有amtel 的at89c51可选，只好选了microchip的at89c51，结果编译出来的结果就不能点亮LED了。

另我用的是普中科技的8600 V2.2 开发板。
奇怪

帐号		自动登录	找回密码
密码			立即注册