lcm12864.c.lst

包括ARM开发环境的使用和一些调试用的源程序

C51 COMPILER V7.06   LCM12864_C                                                            06/13/2003 10:55:13 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LCM12864_C
OBJECT MODULE PLACED IN LCM12864.c.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE LCM12864.c.C BROWSE DEBUG OBJECTEXTEND TABS(3)

stmt level    source

   1             #include <reg52.h>
   2             #include <word.h>
   3             #define  uchar unsigned char
   4             #define  uint     unsigned int
   5          
   6               sbit      RSPIN =  P2^3;
   7             sbit     RWPIN =  P2^4;
   8             sbit     EPIN  =  P2^5;
   9             sbit     CS1PIN   =  P2^1;
  10             sbit     CS2PIN   =  P2^0;
  11             sbit     LCMBUSY  =  P0^7;
  12             sfr      LCMDATA  =  0x80;    //P2
  13          
  14          
  15             void     LCMREST(void);
  16          
  17             void     WAITIDLE(bit ChipChoice);
  18             void     LCMWRITECONTROLWORDS(uchar ControlWords,  bit ChipChoice);
  19             void     LCMWRITEDISPDATA(uchar DispData, bit  ChipChoice);
  20          
  21             void  MuchPageDisp(uchar *DataPoint,   uchar StartPage, uchar StartRow,uchar DispLenth,uchar Pagesum);      //多
             -页显示函数
  22          
  23                   uchar Temp0,Temp1,Temp2,Temp3,Temp4,Temp5;
  24                   uchar XPosition,YPosition;    //XPosition: 列方向地址指针  YPosition: 行方向地址指针
  25          
  26             void     LCM12864(uchar LcmDispData,   uchar LcmFirstPage,  uchar CharacterStartRow,      uchar CharacterRowSum,  bi
             -t IfNotRest)
  27             {
  28   1            bit   CsChoice;
  29   1            if(IfNotRest)
  30   1            {
  31   2               LCMREST();
  32   2            }
  33   1      
  34   1      
  35   1               Temp0=0xc0; //(LcmFirstPage*8)|0xc0;            //写起始点控制字
  36   1               LCMWRITECONTROLWORDS(Temp0,0);         //写片1
  37   1               LCMWRITECONTROLWORDS(Temp0,1);         //写片2
  38   1      
  39   1               for(Temp1=0;Temp1<CharacterRowSum;Temp1++)
  40   1               {
  41   2      
  42   2                  if(CharacterStartRow<64)   CsChoice=0;
  43   2                  else              CsChoice=1;
  44   2                  Temp0=CharacterStartRow&0x3f|0x40;        //写列码 定位
  45   2                  LCMWRITECONTROLWORDS(Temp0,CsChoice);
  46   2                  Temp0=LcmFirstPage&0x07|0xb8;       //写页码 定位
  47   2                  LCMWRITECONTROLWORDS(Temp0,CsChoice);
  48   2                  LCMWRITEDISPDATA(LcmDispData, CsChoice);  //写数据
  49   2                  CharacterStartRow++;
  50   2               }
  51   1      
  52   1         }
  53          
C51 COMPILER V7.06   LCM12864_C                                                            06/13/2003 10:55:13 PAGE 2   

  54             void     LCMREST(void)
  55             {
  56   1            Temp0=0x3f;                //写开LCM控制字
  57   1            LCMWRITECONTROLWORDS(Temp0,0);      //写片1
  58   1            LCMWRITECONTROLWORDS(Temp0,1);      //写片2
  59   1         }
  60          
  61             void     LCMWRITECONTROLWORDS(uchar ControlWords,  bit ChipChoice)      //写LCM控制字
  62             {
  63   1            ET0=0;
  64   1            WAITIDLE(ChipChoice);         
  65   1            LCMDATA=ControlWords;               //RS=0 RW=0 CS1=1 E=高脉冲
  66   1            RSPIN=0;
  67   1            RWPIN=0;
  68   1            if(ChipChoice) CS2PIN=1;
  69   1            else        CS1PIN=1;
  70   1            EPIN=1;
  71   1            EPIN=1;
  72   1            CS1PIN=0;
  73   1            CS2PIN=0;
  74   1            EPIN=0;
  75   1          ET0=1;
  76   1         }
  77          
  78             void     LCMWRITEDISPDATA(uchar DispData, bit  ChipChoice)           //写LCM显示数据
  79             {
  80   1            ET0=0;
  81   1            WAITIDLE(ChipChoice);
  82   1            
  83   1            LCMDATA=DispData;
  84   1            RSPIN=1;
  85   1            RWPIN=0;
  86   1            if(ChipChoice) CS2PIN=1;
  87   1            else        CS1PIN=1;
  88   1            EPIN=1;
  89   1            EPIN=1;
  90   1            CS1PIN=0;
  91   1            CS2PIN=0;
  92   1            EPIN=0;
  93   1              ET0=1;
  94   1         }
  95          
  96             void     WAITIDLE(bit ChipChoice)            //空闲检测
  97             {
  98   1            LCMDATA=0xff;
  99   1             RSPIN=0;                           //RS=0 RW=1 CS1/CS2=1 E=高电平
 100   1            RWPIN=1;
 101   1            if(ChipChoice) CS2PIN=1;
 102   1            else        CS1PIN=1;
 103   1            EPIN=1;
 104   1            EPIN=1;                       //=nop;
 105   1            while(LCMBUSY);
 106   1            CS1PIN=0;
 107   1            CS2PIN=0;
 108   1            EPIN=0;
 109   1         }
 110          
 111          
 112             void  MuchPageDisp(uchar *DataPoint,   uchar StartPage, uchar StartRow,uchar DispLenth,uchar Pagesum)    //汉