main.lst

温度控制系统——毕业设计

C51 COMPILER V7.06   MAIN                                                                  12/30/2010 18:33:59 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include "reg52.h"
   2          #include "ds18b20.h"
   3          #include "max7219.h"
   4          #include "delay.h"
   5          #include "keyboard.h"
   6          
   7          extern unsigned char key;
   8          sbit RL=P2^2;
   9          sbit BU=P2^0;
  10          sbit D1=P0^5;
  11          sbit D2=P0^6;
  12          sbit D3=P0^7;
  13          
  14          main()
  15          {
  16   1              unsigned char htem=30,ltem=20,tem;              //设定的高温，低温，当前温度
  17   1              unsigned char x,g,s;                                    //小数，个位，十位
  18   1              unsigned char key_fleg=0;                               //1为高温设定，2为低温设定
  19   1              unsigned int key_count=0;                               //进入设定模式的次数
  20   1              unsigned int bel_time=0;
  21   1              ini_7219();
  22   1              delay_ms(1);
  23   1              ini_7219();
  24   1              delay_ms(5);
  25   1              ini_7219();
  26   1              ini_7219();
  27   1              ini_18b20();
  28   1              ini_key();
  29   1              while(1)
  30   1              {
  31   2                      
  32   2                      if((key==0||key==3||key==4)&&(!key_fleg))                                               //温度测量，显示，控制部分                                                    
  33   2                      {
  34   3                              tem=read_tempuature();
  35   3                              if(tem&1)x=5;
  36   3                              else x=0;
  37   3                              tem=tem>>1;
  38   3                              s=tem%100/10;
  39   3                              g=tem%10;
  40   3                              write_7219_data(1,12,0);
  41   3                              write_7219_data(2,s,0);
  42   3                              write_7219_data(3,g,1);
  43   3                              write_7219_data(4,x,0);
  44   3                              if(tem>=htem)                           //如果高温,就不加热
  45   3                              {
  46   4                                      RL=1;
  47   4                                      if(bel_time<30)BU=0;
  48   4                                      else BU=1;
  49   4                                      D1=1;
  50   4                                      D2=0;
  51   4                                      D3=1;
  52   4                                      bel_time++;
  53   4                              }
  54   3                              if(tem<ltem)                            //如果低温，就加热