hello.lst

关键字：LCD液晶显示屏 串行 并行 ST7920 RT12864

C51 COMPILER V7.06   HELLO                                                                 05/31/2007 00:58:08 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE HELLO
OBJECT MODULE PLACED IN HELLO.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE HELLO.C LARGE

stmt level    source

   1          /*------------------------------------------------------------------------------
   2          HELLO.C
   3          
   4          Copyright 1995-1999 Keil Software, Inc.
   5          ------------------------------------------------------------------------------*/
   6          
   7          #include <REG52.H>                /* special function register declarations   */
   8                                            /* for the intended 8051 derivative         */
   9          
  10          #include <stdio.h>                /* prototype declarations for I/O functions */
  11          
  12          
  13          #ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
              char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
              #endif                                   /* Stop Exection with Serial Intr.   */
  16                                                   /* is enabled                        */
  17          
  18          
  19          /*------------------------------------------------
  20          The main C function.  Program execution starts
  21          here after stack initialization.
  22          ------------------------------------------------*/
  23          //#define FREQ_OS       24000000L 
  24          #define FREQ_OS       18432000L 
  25          #define RATE      9600L
  26          #define BIT_SMODE 1
  27          
  28          #if BIT_SMODE
  29          #define BAUD_CHAR (256 - (unsigned char)( (2L*FREQ_OS)/(32L*12L*RATE) ) )
  30          #else   
              #define BAUD_CHAR (256 - (unsigned char)( FREQ_OS/(32L*12L*RATE) ) )
              #endif
  33          
  34          #define baud9600 (256-13)       //24M/SMODE=1
  35          
  36          #if 0
              
              
              void init_serial(void)
              {
                  SCON  = 0x50;                       /* SCON: mode 1, 8-bit UART, enable rcvr      */
                  TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
              //    TH1   = baud9600;
                  TH1   = BAUD_CHAR ;         /* TH1:  reload value for 1200 baud @ 16MHz   */
                  TR1   = 1;                  /* TR1:  timer 1 run                          */
                  TI    = 1;                  /* TI:   set TI to send first char of UART    */
                      RI=0;
              #if BIT_SMODE
                  PCON  |=0x80;
              #else 
                  PCON  &=0x7f;
              #endif
              }
              
              void putc(char x)
C51 COMPILER V7.06   HELLO                                                                 05/31/2007 00:58:08 PAGE 2   

              {
                  while(!TI); 
                      TI=0;
                      SBUF=x; 
              }
              
              char getc(void)
              {
                  while(!RI); 
                      RI=0;
                      return(SBUF);   
              }
              
              void wputs(char s[])
              {
                unsigned char i;
                for(i=0;s[i];i++)
                      {
                    while(!TI); 
                        TI=0;
                        SBUF=s[i];    
                  }
              }
              
              
              unsigned char wgets(char s[])
              {
                 unsigned char i;
                 for(i=0;i<20;i++)
                 {
                    while(!RI); 
                        RI=0;
                        if(SBUF==0x0d) break;
                        s[i]=SBUF;
                        putc(SBUF);
                 }
                s[i]=0;
                return(i);    
              }
              
              void LCD_GRP(unsigned char const *string_num);
              void  LCD_INIT(void);
              void  LCD_CLS(void);
              int mainxx (void);
              char GetAdc(char s[]);
              void mainxxxx (void) {
                int i,j;
                char c;
                idata char s[20];
              
                unsigned char const *string_num="1234567890";
                init_serial();
                //LCD_INIT();
                //LCD_CLS();
                //LCD_GRP(string_num);
                wputs("hello mcs51");
                mainxx();
                while (1) 
                 {
                 // P1^0= 0x01;                   /* Toggle P1.0 each time we print */  
                  //for(i=0;i<1000;i++) 
                      //for(j=0;j<100;j++);
C51 COMPILER V7.06   HELLO                                                                 05/31/2007 00:58:08 PAGE 3   

                      c=wgets(s);
                      if(c>0)
                   wputs("...");
                      c=getc();
                 putc(c);     
                }
              }
              
              
              
              #endif
 129          
 130          
 131          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =   ----    ----
   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)