lcd_bus.lst

1602液晶驱动程序,有两个

C51 COMPILER V6.12  LCD_BUS                                                                04/15/2008 15:11:20 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE LCD_BUS
OBJECT MODULE PLACED IN .\lcd_bus.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\lcd_bus.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg52.h>
   2          #include <absacc.h>
   3          
   4          #define uchar unsigned char
   5          #define wr_cmd XBYTE[0Xfffc]
   6          #define rd_cmd XBYTE[0Xfffe]
   7          #define wr_dat XBYTE[0xfffd]
   8          
   9          void delay(uchar t)
  10          {
  11   1      	uchar i;
  12   1      	for(;t>0;t--)
  13   1      		for(i=164;i>0;i--);
  14   1      }
  15          
  16          void main()
  17          {
  18   1      	uchar busy;
  19   1      	char i;
  20   1      	delay(10);	//lcd和mcu上电复位
  21   1      	busy=0x80;
  22   1      	while(busy & 0x80)
  23   1      		busy=rd_cmd;	//检测忙标志
  24   1      	busy=0x80;
  25   1      
  26   1      	wr_cmd=0x38;	//功能设置
  27   1      
  28   1      	while(busy & 0x80)
  29   1      		busy=rd_cmd;	//检测忙标志
  30   1      	busy=0x80;
  31   1      
  32   1      	wr_cmd=0x0c;
  33   1      
  34   1      	while(busy & 0x80)
  35   1      		busy=rd_cmd;	//检测忙标志
  36   1      	busy=0x80;
  37   1      
  38   1      	while(1)
  39   1      	{
  40   2      		wr_cmd=0x01;
  41   2      		while(busy & 0x80)
  42   2      			busy=rd_cmd;	//检测忙标志
  43   2      		busy=0x80;
  44   2      		wr_cmd=0x80 | 0x43;
  45   2      		while(busy & 0x80)
  46   2      			busy=rd_cmd;	//检测忙标志
  47   2      		busy=0x80;
  48   2      		for(i=0;i<10;i++)
  49   2      		{
  50   3      			wr_dat=0x30+i;
  51   3      			delay(255);
  52   3      		}
  53   2      		wr_cmd=0x01;
  54   2      		while(busy & 0x80)
  55   2      			busy=rd_cmd;	//检测忙标志
C51 COMPILER V6.12  LCD_BUS                                                                04/15/2008 15:11:20 PAGE 2   

  56   2      		busy=0x80;
  57   2      		wr_cmd=0x80|0x03;
  58   2      		while(busy & 0x80)
  59   2      			busy=rd_cmd;	//检测忙标志
  60   2      		busy=0x80;
  61   2      		for(i=9;i>=0;i--)
  62   2      		{
  63   3      			wr_dat=0x30+i;
  64   3      			delay(255);
  65   3      		}		
  66   2      	}
  67   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    182    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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