main.lst

使用DAC0832做的程控衰减器

C51 COMPILER V7.50   MAIN                                                                  05/16/2007 22:34:43 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: e:\Keil\C51\BIN\C51.EXE main.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <REG52.H>
   2          #include "LCD1602.H"
   3          #include "ZLG.H"
   4          #include "DAC0832.H"
   5          
   6          unsigned char Key;
   7          unsigned char Amp;
   8          
   9          void Delay(unsigned int t)
  10          {
  11   1              do
  12   1              {
  13   2                      TH0 = 0xDC;
  14   2                      TL0 = 0x00;
  15   2                      TR0 = 1;
  16   2                      while ( !TF0 );
  17   2                      TF0 = 0;
  18   2                      TR0 = 0;
  19   2              } while (--t);
  20   1      }
  21          
  22          void main() {
  23   1              Amp=128;
  24   1              Delay(30); //延时300ms，等待ZLG7289 复位完毕
  25   1              ZLG7289_Init(1); //调用ZLG7289 的初始化函数
  26   1              Delay(100);
  27   1              //键盘测试
  28   1              EA = 0;
  29   1              IT0 = 1; //负边沿触发中断
  30   1              EX0 = 1; //允许外部中断
  31   1              EA = 1;
  32   1              ZLG7289_Reset();
  33   1              Delay(30);
  34   1              LCD_Initial();
  35   1              GotoXY(0,1);
  36   1              Print("Amp:");
  37   1              PrintNum(Amp);
  38   1              DAC2B(Amp,Amp);
  39   1              while (1) {
  40   2              }
  41   1      }
  42          
  43          void INT0_SVC() interrupt 0
  44          {
  45   1              Key = ZLG7289_Key();
  46   1              if (Key==2) Amp--;
  47   1              if (Key==3) Amp++;
  48   1              GotoXY(0,1);
  49   1              Print("Amp:");
  50   1              PrintNum(Amp);
  51   1              DAC2B(Amp,Amp);
  52   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
C51 COMPILER V7.50   MAIN                                                                  05/16/2007 22:34:43 PAGE 2   

   CODE SIZE        =    696    ----
   CONSTANT SIZE    =     24    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3       8
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       2
END OF MODULE INFORMATION.


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