lcdinit.lst

基于51单片机的游戏

C51 COMPILER V8.02   LCDINIT                                                               03/06/2007 17:42:14 PAGE 1   


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

line level    source

   1          #include "reg51.h"
   2          #include "order.h"
   3          #include "lcdinit.h"
   4          
   5          
   6          /*读状态*/
   7          uchar read_state(){
   8   1              uchar temp;
   9   1              P2 = 0xff;
  10   1              cd = 1;
  11   1              rd = 0;
  12   1              temp = P2;
  13   1              rd = 1;
  14   1              return(temp);
  15   1      }
  16          
  17          /*STA0指令读写状态,STA1数据读写状态 判断函数*/
  18          void lcd_enable(){
  19   1              uchar i;
  20   1              for(i = 10; i > 0; i--)
  21   1                      if((read_state() & 0x03) == 0x03)
  22   1                              break;
  23   1              if(i==0)error0=1;/*若i==0，说明错误*/
  24   1              //else error0=0;
  25   1      }
  26          
  27          /*STA2数据自动读状态 判断函数*/
  28          void atrd_enable(){
  29   1              uchar i;
  30   1              for(i = 10; i > 0; i--)
  31   1                      if((read_state() & 0x04) == 0x04)
  32   1                              break;
  33   1              if(i==0)error1=1;/*若i==0，说明错误*/
  34   1              //else error1=0;
  35   1      }
  36          
  37          /*STA3数据自动写状态 判断函数*/
  38          void atwr_enable(){
  39   1              uchar i;
  40   1              for(i = 10; i > 0; i--)
  41   1                      if((read_state() & 0x08) == 0x08)
  42   1                              break;
  43   1              if(i==0)error2=1;/*若i==0，说明错误*/
  44   1              //else error2=0;
  45   1      }
  46          
  47          /*写无参数函数*/
  48          void write_cmd0(uchar cmd){
  49   1              lcd_enable();
  50   1              cd=1;
  51   1              P2=cmd;
  52   1              wr=0;
  53   1              wr=1;
  54   1      }
  55          
C51 COMPILER V8.02   LCDINIT                                                               03/06/2007 17:42:14 PAGE 2   

  56          /*写单参数函数*/
  57          void write_cmd1(uchar data1, uchar cmd){
  58   1              lcd_enable();
  59   1              cd=0;
  60   1              P2=data1;
  61   1              wr=0;
  62   1              wr=1;
  63   1              lcd_enable();
  64   1              cd=1;
  65   1              P2=cmd;
  66   1              wr=0;
  67   1              wr=1;
  68   1      }
  69          
  70          /*写双参数函数*/
  71          void write_cmd2(uchar data1, uchar data2, uchar cmd){
  72   1              lcd_enable();
  73   1              cd=0;
  74   1              P2=data1;
  75   1              wr=0;
  76   1              wr=1;
  77   1              lcd_enable();
  78   1              cd=0;
  79   1              P2=data2;
  80   1              wr=0;
  81   1              wr=1;   
  82   1              lcd_enable();
  83   1              cd=1;
  84   1              P2=cmd;
  85   1              wr=0;
  86   1              wr=1;   
  87   1      }
  88          
  89          /*写数据函数*/
  90          void write_data(uchar data0){
  91   1              lcd_enable();
  92   1              cd=1;
  93   1              P2=data0;
  94   1              wr=0;
  95   1              wr=1;   
  96   1      }
  97          
  98          /*读数据函数*/
  99          uchar read_data(){
 100   1              char temp;
 101   1              lcd_enable();
 102   1              cd = 0;
 103   1              P2 = 0xff;
 104   1              rd = 0;
 105   1              temp = P2;
 106   1              rd = 1;
 107   1              return(temp);   /*若返回0,可能错误*/
 108   1      }
 109          
 110          /*自动写开始*/
 111          void auto_write(){
 112   1              write_cmd0(AUT_WR);
 113   1      }
 114          
 115          /*自动读开始*/
 116          void auto_read(){
 117   1              write_cmd0(AUT_RD);
C51 COMPILER V8.02   LCDINIT                                                               03/06/2007 17:42:14 PAGE 3   

 118   1      }
 119          
 120          /*自动写结束*/
 121          void atwr_stop(){
 122   1              write_cmd0(AUT_WO);
 123   1      }
 124          
 125          /*自动读结束*/
 126          void atrd_stop(){
 127   1              write_cmd0(AUT_RO);
 128   1      }
 129          
 130          /*数据一次写函数*/
 131          void write_one(uchar data1, char way){
 132   1              atwr_enable();
 133   1              auto_write();
 134   1              write_cmd1(data1,way);
 135   1              atwr_stop();
 136   1      }
 137          
 138          /*数据一次读函数*/
 139          uchar read_one(char way){
 140   1              uchar temp;
 141   1              atrd_enable();
 142   1              auto_read();
 143   1              write_cmd0(way);
 144   1              temp = read_data();
 145   1              atrd_stop();
 146   1              return(temp);
 147   1      }
 148          
 149          /*设置当前显示位置函数x,y从0开始表示单位为字符*/
 150          void set_xy(uchar x, uchar y){
 151   1              int temp;
 152   1              temp = y * LCD_CHAR + x;
 153   1              write_cmd2(temp&0xff,temp/0xff,ADR_POS);                        
 154   1      }
 155          
 156          void set_adr(uchar D1, uchar D2){
 157   1              write_cmd2(D1,D2,ADR_POS);
 158   1      }
 159          
 160          /*设置光标指针 x,y从0开始*/
 161          void set_cur(char x, char y){
 162   1              write_cmd2(x,y,CUR_POS);
 163   1      }
 164          
 165          /*CGRAM偏置地址设置函数*/
 166          void set_cgram(){
 167   1              write_cmd2(0x01,0x00,CGR_POS);//0000,1100,0000,0000 0C00
 168   1      }
 169          
 170          /*液晶初始化函数(文本区首地址D1,文本区首地址D2, 文本区宽度,  图形区首地址D1, 图形区首地址D2, 图形区宽度,  
             - 光标形状,  显示方式,  显示开关)*/
 171          void lcd_init(uchar txtstpd1, uchar txtstpd2, uchar txtwid, uchar grhstpd1, uchar grhstpd2, uchar grhwid, 
             -uchar cur, uchar mod, uchar sw){
 172   1              write_cmd2(txtstpd1,txtstpd2,TXT_STP);                                                          /*文本区首地址*/
 173   1              write_cmd2(txtwid,0x00,TXT_WID);                        /*文本区宽度*/
 174   1              write_cmd2(grhstpd1,grhstpd2,GRH_STP);          /*图形区首地址*/
 175   1              write_cmd2(grhwid,0x00,GRH_WID);                        /*图形区宽度*/
 176   1              write_cmd0(CUR_SHP | cur);                                      /*光标形状*/
 177   1              write_cmd0(mod);                                                        /*显示方式*/
C51 COMPILER V8.02   LCDINIT                                                               03/06/2007 17:42:14 PAGE 4   

 178   1              write_cmd0(DIS_SW | sw);                                        /*显示开关*/
 179   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    321    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       9
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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