zhiliu.lst

51单片机用c语言实例 包括ad

C51 COMPILER V7.09   ZHILIU                                                                08/02/2005 08:54:50 PAGE 1   


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

line level    source

   1          /*************************************************************/
   2          /*    文件名: Zhiliu.c                                       */
   3          /*    功能描述: 模拟PWM驱动直流电机                          */
   4          /*************************************************************/
   5          
   6          #include <reg51.h>
   7          
   8          #define T_value     (unsigned char)0x80         // T周期值
   9          #define T1_value    (unsigned char)0x20         // T周期中高电平周期T1值
  10          #define TH0_value   (unsigned char)0xFE         // 定时器T0计数值（高）
  11          #define TL0_value   (unsigned char)0x00         // 定时器T0计数值（低）
  12          
  13          sbit DRV = P1^7;
  14          unsigned char T_Count;                  // 延时次数
  15          
  16          void init_tim0()                                // 定时器0初始化，定时基数
  17          {
  18   1              TMOD = 0x01;
  19   1              TH0 = TH0_value;
  20   1              TL0 = TL0_value;
  21   1              TR0 = 1;
  22   1              ET0 = 1;
  23   1              EA = 1;
  24   1      }
  25          
  26          void int_tim0() interrupt 1
  27          {
  28   1              TH0 = TH0_value;
  29   1              TL0 = TL0_value;
  30   1              T_Count--;
  31   1      }
  32          
  33          void main()
  34          {
  35   1              unsigned char Tx;
  36   1              DRV = 0;
  37   1              init_tim0();
  38   1              T_Count = T1_value;
  39   1              Tx = T1_value;
  40   1              while(1)
  41   1              {
  42   2                      if(T_Count == 0)
  43   2                      {
  44   3                              DRV = ~DRV;
  45   3                              Tx = T_value - Tx;
  46   3                              T_Count = Tx;
  47   3                      }
  48   2              }
  49   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     50    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V7.09   ZHILIU                                                                08/02/2005 08:54:50 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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