lcd.lst

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C51 COMPILER V8.01   LCD                                                                   08/10/2008 17:31:47 PAGE 1   


C51 COMPILER V8.01, COMPILATION OF MODULE LCD
OBJECT MODULE PLACED IN Lcd.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Lcd.c LARGE BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<C8051F000.h>
   2          #include<lcd.h>
   3          void mydelay(unsigned int i)      
   4          {
   5   1              unsigned int j;
   6   1              for(j=0;j<i;j++);
   7   1      }
   8          void lcd_senddata(unsigned char da)
   9          {
  10   1              unsigned char i;
  11   1              LCD_CS = 0;
  12   1              LCD_A0 = 1;  //数据通道
  13   1              LCD_SCK = 1;
  14   1              for(i = 0; i < 8; i++)
  15   1              {
  16   2                      da <<= 1;
  17   2                      LCD_DA = CY;
  18   2                      LCD_SCK = 0;
  19   2                      mydelay(20);
  20   2                      LCD_SCK = 1;
  21   2                      mydelay(10);
  22   2              }
  23   1              LCD_CS = 1;
  24   1              mydelay(20);
  25   1      }
  26          void lcd_sendcmd(unsigned char da)
  27          {
  28   1              unsigned char i;
  29   1              LCD_CS = 0;
  30   1              LCD_A0 = 0;  //指令通道
  31   1              LCD_SCK = 1;
  32   1              for(i = 0; i < 8; i++)
  33   1              {
  34   2                      da <<= 1;
  35   2                      LCD_DA = CY;
  36   2                      LCD_SCK = 0;
  37   2                      mydelay(10);
  38   2                      LCD_SCK = 1;
  39   2                      mydelay(10);
  40   2              }
  41   1              LCD_CS = 1;
  42   1              mydelay(20);
  43   1      }
  44          void Lcd_Init(void)
  45          {
  46   1              LCD_RES = 1;
  47   1              mydelay(32767);
  48   1              lcd_sendcmd(0xE2); //internal reset
  49   1              lcd_sendcmd(0xA2); //d0:Set LCD drive voltage bias ratio 0=1/9bias 1=1/7bias
  50   1              lcd_sendcmd(0xC8); //d3:select COM output direction 0=normal 1=reverse
  51   1              lcd_sendcmd(0xA0); //d0:select SEG output direction 0=normal 1=reverse
  52   1              lcd_sendcmd(0xA6); //d0=0display normal;=1reverse
  53   1              lcd_sendcmd(0xf8); //select booster ratio
  54   1              lcd_sendcmd(0x00); //d0\d1=00:4x
  55   1              lcd_sendcmd(0x2C); //d2:1=select internal power supply operating mode
C51 COMPILER V8.01   LCD                                                                   08/10/2008 17:31:47 PAGE 2   

  56   1              lcd_sendcmd(0x2E); //
  57   1              lcd_sendcmd(0x2F);
  58   1              // lcd_sendcmd(0x25); //select internal resistor ratio(RB/RA)mode
  59   1              lcd_sendcmd(0x81); //select the VO output voltage electronic volume register
  60   1              lcd_sendcmd(0x14); //select the VO output voltage electronic volume register
  61   1              lcd_sendcmd(0x0e); //select the VO output voltage electronic volume register
  62   1              lcd_sendcmd(0xAF); //d0:LCD display ON=1/OFF=0
  63   1              lcd_sendcmd(0xE0);
  64   1              lcd_sendcmd(0x40); //Set the display RAM start line address
  65   1      }
  66          void Set_Page_Address(unsigned char dat)
  67          {
  68   1              lcd_sendcmd(0xb0|dat);
  69   1      }
  70          void Set_Colume_Address(unsigned char dat)
  71          {
  72   1              unsigned char tmp;
  73   1              tmp=dat>>4;
  74   1              lcd_sendcmd(0x10|tmp); //送列地址高三位
  75   1              tmp=0x0f&dat;
  76   1              lcd_sendcmd(tmp); //送列地址低四位
  77   1      }
  78          void lcd_clr(void)
  79          {
  80   1      unsigned char i,j;
  81   1      for(i = 0; i < 8; i++)
  82   1      {
  83   2              Set_Page_Address(i);
  84   2              Set_Colume_Address(0);
  85   2              
  86   2              for(j = 0; j < 128; j++)
  87   2              {
  88   3                      lcd_senddata(0x00);
  89   3              
  90   3              }
  91   2      }
  92   1      }
  93          void lcd_drawpot(unsigned char x/*0-127*/, unsigned char y/*0-63*/)
  94          {
  95   1              unsigned char temp;
  96   1              Set_Colume_Address(x);
  97   1              Set_Page_Address(y>>3);
  98   1              y &= 0x07;
  99   1          temp = 1<<y;
 100   1              lcd_senddata(temp);
 101   1      }
 102          //x每写一个字+16，y换行+1
 103          void lcd_drawhanzimo(unsigned char x/*0-127*/,unsigned char y/*0-7*/,unsigned char* ptr)
 104          {
 105   1              unsigned int i;
 106   1              
 107   1              Set_Page_Address(y);
 108   1              Set_Colume_Address(x);
 109   1              for(i = 0; i<16; i ++)
 110   1              lcd_senddata(*(ptr+i));
 111   1              
 112   1              Set_Page_Address(y+1);
 113   1              Set_Colume_Address(x);
 114   1              for(i = 0; i<16; i++)
 115   1              lcd_senddata(*(ptr+i+16));
 116   1      }

C51 COMPILER V8.01   LCD                                                                   08/10/2008 17:31:47 PAGE 3   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    473    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----       9
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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