C51 COMPILER V7.06   LCD                                                                   09/12/2005 12:55:40 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LCD
OBJECT MODULE PLACED IN lcd.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE lcd.c BROWSE DEBUG OBJECTEXTEND TABS(2)

stmt level    source

   1          #include "reg52.h"
   2          
   3          #define  uchar  unsigned char
   4          #define  uint   unsigned int
   5          
   6          extern char getbyte(void);        //從接收緩沖區(qū)取一個(gè)byte,如不想等待則在調(diào)用前檢測(cè)inbufsign是否為1。
   7          extern putbyte(char c);         //放入一個(gè)字節(jié)到發(fā)送緩沖區(qū)
   8          extern putstring(uchar  *puts);     //發(fā)送一個(gè)定義在程序存儲(chǔ)區(qū)的字符串到串口
   9          extern putbytes(uchar *outplace,uint j);//放一串?dāng)?shù)據(jù)到發(fā)送緩沖區(qū),需要定義發(fā)送的字節(jié)數(shù)
  10          extern puthex(uchar c);         //發(fā)送一個(gè)字節(jié)的hex碼，分成兩個(gè)字節(jié)發(fā)。
  11          extern  bit   inbufsign;        //串口接收到數(shù)據(jù)標(biāo)志
  12          #define CR putstring("\r\n")      //發(fā)送一個(gè)回車換行
  13          extern void serial_init (void);       //串口初始化
  14          
  15          void delay(uchar dtime)
  16          {
  17   1        uint n;
  18   1        uchar i;
  19   1        for(i=0;i<dtime;i++)
  20   1        for(n=0;n<2100;n++);
  21   1      }
  22          
  23          //清屏
  24          void lcd_cls(void)
  25          {
  26   1        delay(4);
  27   1        putbyte(0x1b);
  28   1        putbyte(0x32);
  29   1      }
  30          // 設(shè)置光標(biāo)位置(橫向位置（0－19） 行位置（0－4）)
  31          
  32          //顯示字符串
  33          void lcd_string(uchar attr,uchar *string) 
  34          {
  35   1        delay(5);
  36   1        putbyte(0x1b);
  37   1        putbyte(0x37);
  38   1        putbyte(attr);  
  39   1        putstring(string);
  40   1        putbyte(0x00);
  41   1      }
  42          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     82    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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