poweroninitial.lst

单片机键值测定程序

C51 COMPILER V7.50   POWERONINITIAL                                                        05/31/2008 10:36:55 PAGE 1   


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

line level    source

   1          
   2          
   3          //打开电源开关后的初始化动作.
   4          
   5          #include <regX52.H>
   6          #include "16311.h"
   7          
   8          extern void _16311_DA_send(char,char);
   9          extern void InitialCpu(void);
  10          extern void InitialCpuIO(void);
  11          extern void Initial_16311(void);
  12          
  13          
  14          void PowerOnInital(void)
  15          {
  16   1         InitialCpu();
  17   1         InitialCpuIO();
  18   1         Initial_16311();
  19   1      }
  20          
  21          
  22          
  23          //MCU内部缓存器初始化
  24          
  25          
  26          void  Initialcpu(void)
  27          {
  28   1        IE=0;   //disable all intereupt
  29   1        PSW=0;  //bank 0
  30   1        IP=0;   //hi priority:int0,count0,time1
  31   1        TMOD=0; //set timer, counter mode 
  32   1        
  33   1        TR0=0;  //stop count0
  34   1        TR1=1;  //star timer1
  35   1        IT0=1;  //set int0:falling eage trigger
  36   1        
  37   1        TL0=0xff;  //counter0=0xffff,count 1 time,execute service route
  38   1        TH0=0xff;
  39   1      //  TL1=CLOCK_40MS & oxff;  //CLOCK_40MS=(65536-40000) for 12MHz
  40   1      //  TH1=CLOCK_40MS >> 8;
  41   1      
  42   1        EX0=0;  //enable int0 interrupt
  43   1        ET1=0;  //enable time1 interrupt
  44   1        ET0=0;  //enable count0 interrupt
  45   1        EA=0;   //enale all interrupt
  46   1      
  47   1      
  48   1      }
  49          
  50          
  51          
  52          void InitialCpuIO(void)
  53          {
  54   1       P0=0xFF;P1=0xFF;
  55   1       P2=0xFF;P3=0xFF;
C51 COMPILER V7.50   POWERONINITIAL                                                        05/31/2008 10:36:55 PAGE 2   

  56   1      }
  57          
  58          
  59          void Initial_16311(void)
  60          {
  61   1       uchar r;
  62   1      _16311_DA_send(0x40,2);//写第二条显示命令(自动地址增加模式）
  63   1      _16311_DA_send(0xC0,3);//写第三条地址命令
  64   1      for(r=1;r<0x30;r++)
  65   1       _16311_DA_send(0x00,3);//初始化内存为0。
  66   1       
  67   1       _16311_ST=1;
  68   1      _16311_DA_send(0x0C,1);  //初始化显示段位DIG=13，SEG=15；
  69   1      _16311_DA_send(0x8F,4);  //初始化显示亮度
  70   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    101    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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