clock-1620.lst

液晶1602的驱动程序。 用的是勤正达的FM1602A--3。 MCU用51

C51 COMPILER V6.12  CLOCK_1620                                                             11/25/2008 15:53:04 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE CLOCK_1620
OBJECT MODULE PLACED IN .\clock-1620.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE .\clock-1620.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include"reg51.h"
   2          #define uchar unsigned char
   3          #define uint  unsigned int
   4          
   5          
   6          sbit rs=P3^0;
   7          sbit rw=P3^1;
   8          sbit e=P3^2;
   9          sbit ds=P1;
  10          sbit button=P2^0;
  11          sbit bf=P1^7;
  12          
  13          uint ms=0;
  14          uint second=0;
  15          uint min=0;
  16          uint hr=0;
  17          
  18          
  19          
  20          uchar code tab[]={"***FM1602A--3***"};
  21          uchar code tab1[]={0x0f,0x09,0x0f,0x09,0x0f,0x09,0x0b,0x11,
  22          0x1F,0x11,0x11,0x11,0x1F,0x11,0x11,0x1F};         //   月日
  23          uchar code number[]={"0123456789"};
  24          
  25          uchar code inti0[]={"11 25   00:00:00"};
  26          
  27          
  28          
  29          void nop(){}
  30          
  31          void delay(uint q)               //延时
  32          {uchar n;
  33   1      while(q--)
  34   1      {for(n=0;n<24;n++){;;}}
  35   1      }
  36          
  37          
  38          
  39          void check()                       //    判忙
  40          {rs=0;
  41   1      rw=1;
  42   1      e=0;
  43   1      P1=0xff;
  44   1      e=1;
  45   1      nop();
  46   1      nop();
  47   1      while(P&0x80){};
  48   1      delay(10);
  49   1      }
  50          
  51          void sendc(uchar com)            //  发命令字
  52          {check();
  53   1       
  54   1       
  55   1       rs=0;
C51 COMPILER V6.12  CLOCK_1620                                                             11/25/2008 15:53:04 PAGE 2   

  56   1       rw=0;
  57   1       e=1;
  58   1       P1=com;
  59   1       
  60   1       nop();
  61   1       e=0;
  62   1       nop();
  63   1       }
  64          
  65          void sendd(uchar word)            // 发显示字
  66          {check();
  67   1       
  68   1       
  69   1       rs=1;
  70   1       rw=0;
  71   1       e=1;
  72   1      P1=word;
  73   1      nop();
  74   1      e=0;
  75   1       nop();
  76   1       }
  77          
  78          void inti()                        // 初始化
  79          {uchar d;
  80   1      sendc(0x01);
  81   1       sendc(0x38);
  82   1       sendc(0x0c);
  83   1       sendc(0x06);
  84   1       delay(10);
  85   1      
  86   1       sendc(0x80);
  87   1      for(d=0;d<16;d++)
  88   1      {sendd(*(inti0+d));};
  89   1      sendc(0x82);
  90   1      sendd(0x00);
  91   1      sendc(0x85);
  92   1      sendd(0x01);
  93   1       sendc(0xc0);
  94   1      for(d=0;d<16;d++)
  95   1      {sendd(*(tab+d));};
  96   1      }
  97          
  98          void cpuinti()
  99          {
 100   1      TMOD=0x01;
 101   1      TH0=0x3c;
 102   1      TL0=0xb0;
 103   1      TR0=1;
 104   1      EA=1;
 105   1      ET0=1;
 106   1       }
 107          
 108          
 109          
 110          void keyboard()
 111          {}
 112          
 113          
 114          void displayhr()         //////显示小时
 115          {uchar ho,ht;
 116   1      if(hr>9)
 117   1      {
C51 COMPILER V6.12  CLOCK_1620                                                             11/25/2008 15:53:04 PAGE 3   

 118   2      ht=hr/10;
 119   2      ho=hr%10;}
 120   1      else{ht=0;ho=hr;};
 121   1      
 122   1      sendc(0x88);
 123   1      sendd(*(number+ht));
 124   1      sendc(0x89);
 125   1      sendd(*(number+ho));
 126   1      while(hr==24)
 127   1      {hr=0;
 128   2      //day++;
 129   2      //displayhr();
 130   2      };
 131   1      }
 132          
 133          
 134          
 135          void displaymin()   ///////////显示 分
 136          {uchar mo,mt;
 137   1      if(min>9)
 138   1      {
 139   2      mt=min/10;
 140   2      mo=min%10;}
 141   1      else{mt=0;mo=min;};
 142   1      
 143   1      sendc(0x8b);
 144   1      sendd(*(number+mt));
 145   1      sendc(0x8c);
 146   1      sendd(*(number+mo));
 147   1      while(min==60)
 148   1      {min=0;
 149   2      hr++;
 150   2      displayhr();};
 151   1      }
 152          
 153          
 154          
 155          void displaysec()   /////////////显示 秒
 156          {uchar o,t;
 157   1      if(second>9)
 158   1      {
 159   2      t=second/10;
 160   2      o=second%10;}
 161   1      else{t=0;o=second;};
 162   1      
 163   1      sendc(0x8e);
 164   1      sendd(*(number+t));
 165   1      sendc(0x8f);
 166   1      sendd(*(number+o));
 167   1      while(second==60)
 168   1      {second=0;
 169   2      min++;
 170   2      displaymin();};
 171   1      }
 172           
 173           
 174          
 175          
 176          void timer() interrupt 1            ///////////中断入口
 177          {
 178   1      ms++;
 179   1      
C51 COMPILER V6.12  CLOCK_1620                                                             11/25/2008 15:53:04 PAGE 4   

 180   1      displaysec();
 181   1      while(ms==14){TH0=0x3c;TL0=0xb0;
 182   2      ms=0;
 183   2      second++;}
 184   1      }
 185          
 186          
 187          void setcgram()
 188          {uchar x; 
 189   1       sendc(0x40);
 190   1       for(x=0;x<16;x++)
 191   1       {sendd(*(tab1+x));}
 192   1      }
 193          
 194          
 195          
 196          
 197          
 198          
 199          void main()
 200          {setcgram();
 201   1       inti(); 
 202   1      cpuinti();
 203   1       
 204   1       while(1){};
 205   1       
 206   1       }
 207          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    584    ----
   CONSTANT SIZE    =     61    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8       5
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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