pwm.lst

c8051f020模块.rar

C51 COMPILER V8.02   PWM                                                                   09/05/2009 02:20:47 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE PWM
OBJECT MODULE PLACED IN PWM.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE PWM.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <c8051f020.h>
   2          
   3          #define uint8 unsigned char
   4          #define uint16 unsigned int
   5          
   6          
   7          
   8          void Init_SYSCLK(void)
   9          { 
  10   1        uint8 i;
  11   1        OSCXCN = 0X67;//开始外部22.1184M晶振
  12   1        for(i = 0;i < 128;i++); //等待外部起振
  13   1        while(!(OSCXCN & 0X80));      //查询标志位
  14   1        OSCICN = 0X88;//用外部晶振，并使能始终丢
  15   1      }
  16          
  17          
  18          void Init_PCA(void)
  19          {
  20   1        PCA0MD=0X00;  //09
  21   1        
  22   1        PCA0L=0X00;
  23   1        PCA0H=0X00; 
  24   1        PCA0CPM0=0X46;//CB
  25   1        //PCA0CPL0=0; 
  26   1        //PCA0CPH1=0X80;
  27   1        PCA0CPH0=0Xc8;//4.6k
  28   1         
  29   1       PCA0CPM1=0X46; //4c高速输出模式,46频率输出模式
  30   1       //CCAP3L=0XFF;
  31   1       PCA0CPH1=0Xb8; //5k
  32   1       PCA0CPM2=0X46; //4c高速输出模式,46频率输出模式
  33   1       PCA0CPH2=0Xc0; //4.8k
  34   1       PCA0CPM3=0X46;
  35   1       PCA0CPH3=0Xb1;//5.2k
  36   1       PCA0CPM4=0X46;
  37   1       PCA0CPH4=0Xaa;//5.4K
  38   1      
  39   1        PCA0CN=0X40;
  40   1        //EIE1=0X08;
  41   1      }
  42          
  43          
  44          void Init_PORT(void)
  45          {
  46   1         //XBR0=0X20;
  47   1         XBR0=0X2c;
  48   1         XBR2=0X40;
  49   1         P0MDOUT=0XFF;
  50   1      }
  51          
  52          /*
  53          void PCA_ISR(void) interrupt 9
  54          {
  55            CF=0;
C51 COMPILER V8.02   PWM                                                                   09/05/2009 02:20:47 PAGE 2   

  56            CCF1=1;
  57          
  58          
  59          } */
  60          
  61          
  62          void main(void)
  63          {
  64   1        WDTCN = 0xde;
  65   1        WDTCN = 0xad;//关闭看门狗
  66   1      
  67   1        Init_SYSCLK();
  68   1        Init_PORT();
  69   1        Init_PCA();
  70   1       // EA=1;
  71   1      
  72   1        while(1);
  73   1                                        
  74   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     86    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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