9-2.lst

C51.rar

C51 COMPILER V7.09   9_2                                                                   05/21/2004 21:16:23 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE 9_2
OBJECT MODULE PLACED IN 9-2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 9-2.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <stdio.h>
   2          #include <ADUC812.H>
   3          void main (void)
   4          {
   5   1      /*设置串口波特率*/
   6   1      SCON  = 0x50;
   7   1      TMOD |= 0x20;
   8   1      TH1   = 0xFA;
   9   1      TR1   = 1;
  10   1      TI    = 1;
  11   1      PCON |= 0x80;
  12   1      
  13   1      /*设置A/D转换12-bit 模式, 范围是0-VDD, DAC0 DAC1 DACCON = 0111 1?01*/
  14   1      DACCON = 0x7B;                        /*每循环 4096次转换DAC0 和DAC1*/
  15   1      
  16   1      while (1)
  17   1           {
  18   2          unsigned int i;
  19   2      /* 满12 bit: 2^12 = 4096*/
  20   2           for (i = 0; i < 4096; i++)   
  21   2          {
  22   3          DACCON &= ~0x04;                      /*清SYNC位*/
  23   3          DAC0H = i >> 8;
  24   3          DAC0L = i & 0xFF;
  25   3          DAC1H = (4095 - i) >> 8;
  26   3          DAC1L = (4095 - i) & 0xFF;
  27   3          DACCON |=  0x04;                      /* 设置SYNC位*/
  28   3          printf ("Output %4.4X to DAC0 (%1.4fV) ", (unsigned) i, (float) i * 5.0 / 4095.0);
  29   3          printf ("Output %4.4X to DAC1 (%1.4fV)\n", (unsigned) 4095-i, (float) (4095-i) * 5.0 / 4095.0);
  30   3          }
  31   2        }
  32   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    186    ----
   CONSTANT SIZE    =     62    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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