ex.lst

ADC0809的C程序.通过读Ｐ3.5口的状态来进行数据采集．包括原理图．程序．资料．

C51 COMPILER V7.06   EX                                                                    03/23/2008 16:11:22 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE EX
OBJECT MODULE PLACED IN ex.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ex.c BROWSE INTVECTOR(0X8000) DEBUG OBJECTEXTEND CODE

stmt level    source

   1          #include "reg52.h"
   2          #include "absacc.h"
   3          
   4          #define AD0809 XBYTE[0X7000]
   5          
   6          sbit    P3_5=P3^5;
   7          
   8          unsigned char dat=0xff;
   9          
  10          main()
  11          {
  12   1      unsigned char i;
  13   1              IT0=1;                  //;设置外部中断0为边沿触发
  14   1              EX0=1;                  //中断INT0开放
  15   1              EA=1;                   //总中断允许
  16   1              AD0809=0x00;    //启动AD0809
  17   1              
  18   1              TMOD=1;                 //设置定时器1为16位定时器
  19   1              TH0=0x00;               //赋初值
  20   1              TL0=0x00;
  21   1              ET0     =1;                     //开定时器中断
  22   1              TR0     =1;
  23   1              while(1)
  24   1              {
  25   2                      i=dat;
  26   2                      while(i--);
  27   2                      P3_5=1;
  28   2                      i=dat;
  29   2                      while(i--);
  30   2                      P3_5=0;
  31   2              }
  32   1      }
  33          void EX0_ISR() interrupt 0
  34          {
  35   1              EX0=0;          
  36   1              dat=AD0809;                     //读取A/D转换的结果                     
  37   1              EX0=1;
  38   1      }
  39          void T0_ISR() interrupt 1
  40          {
  41   1              TR0=0;                  //定时器0中断时间，为模数采样频率
  42   1              TH0=0x00;               //赋初值
  43   1              TL0=0;
  44   1              AD0809=0x00;    //启动AD0809
  45   1              TR0=1;
  46   1      }
C51 COMPILER V7.06   EX                                                                    03/23/2008 16:11:22 PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE


             ; FUNCTION main (BEGIN)
                                           ; SOURCE LINE # 10
                                           ; SOURCE LINE # 11
                                           ; SOURCE LINE # 13
0000 D288              SETB    IT0
                                           ; SOURCE LINE # 14
0002 D2A8              SETB    EX0
                                           ; SOURCE LINE # 15
0004 D2AF              SETB    EA
                                           ; SOURCE LINE # 16
0006 907000            MOV     DPTR,#07000H
0009 E4                CLR     A
000A F0                MOVX    @DPTR,A
                                           ; SOURCE LINE # 18
000B 758901            MOV     TMOD,#01H
                                           ; SOURCE LINE # 19
000E F58C              MOV     TH0,A
                                           ; SOURCE LINE # 20
0010 F58A              MOV     TL0,A
                                           ; SOURCE LINE # 21
0012 D2A9              SETB    ET0
                                           ; SOURCE LINE # 22
0014 D28C              SETB    TR0
0016         ?C0001:
                                           ; SOURCE LINE # 23
                                           ; SOURCE LINE # 24
                                           ; SOURCE LINE # 25
;---- Variable 'i' assigned to Register 'R7' ----
0016 AF00        R     MOV     R7,dat
0018         ?C0003:
                                           ; SOURCE LINE # 26
0018 AE07              MOV     R6,AR7
001A 1F                DEC     R7
001B EE                MOV     A,R6
001C 70FA              JNZ     ?C0003
001E         ?C0004:
                                           ; SOURCE LINE # 27
001E D2B5              SETB    P3_5
                                           ; SOURCE LINE # 28
0020 AF00        R     MOV     R7,dat
0022         ?C0005:
                                           ; SOURCE LINE # 29
0022 AE07              MOV     R6,AR7
0024 1F                DEC     R7
0025 EE                MOV     A,R6
0026 70FA              JNZ     ?C0005
0028         ?C0006:
                                           ; SOURCE LINE # 30
0028 C2B5              CLR     P3_5
                                           ; SOURCE LINE # 31
002A 80EA              SJMP    ?C0001
             ; FUNCTION main (END)

             ; FUNCTION EX0_ISR (BEGIN)
0000 C0E0              PUSH    ACC
0002 C083              PUSH    DPH
0004 C082              PUSH    DPL
                                           ; SOURCE LINE # 33
                                           ; SOURCE LINE # 35
C51 COMPILER V7.06   EX                                                                    03/23/2008 16:11:22 PAGE 3   

0006 C2A8              CLR     EX0
                                           ; SOURCE LINE # 36
0008 907000            MOV     DPTR,#07000H
000B E0                MOVX    A,@DPTR
000C F500        R     MOV     dat,A
                                           ; SOURCE LINE # 37
000E D2A8              SETB    EX0
                                           ; SOURCE LINE # 38
0010 D082              POP     DPL
0012 D083              POP     DPH
0014 D0E0              POP     ACC
0016 32                RETI    
             ; FUNCTION EX0_ISR (END)

             ; FUNCTION T0_ISR (BEGIN)
0000 C0E0              PUSH    ACC
0002 C083              PUSH    DPH
0004 C082              PUSH    DPL
                                           ; SOURCE LINE # 39
                                           ; SOURCE LINE # 41
0006 C28C              CLR     TR0
                                           ; SOURCE LINE # 42
0008 758C00            MOV     TH0,#00H
                                           ; SOURCE LINE # 43
000B 758A00            MOV     TL0,#00H
                                           ; SOURCE LINE # 44
000E 907000            MOV     DPTR,#07000H
0011 E4                CLR     A
0012 F0                MOVX    @DPTR,A
                                           ; SOURCE LINE # 45
0013 D28C              SETB    TR0
                                           ; SOURCE LINE # 46
0015 D082              POP     DPL
0017 D083              POP     DPH
0019 D0E0              POP     ACC
001B 32                RETI    
             ; FUNCTION T0_ISR (END)



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     95    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)