first Commit

51/液晶显示/Listings/STARTUP.lst

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+A51 MACRO ASSEMBLER  STARTUP                                                              04/27/2023 08:31:55 PAGE     1
+
+
+MACRO ASSEMBLER A51 V8.2.7.0
+OBJECT MODULE PLACED IN .\Objects\STARTUP.obj
+ASSEMBLER INVOKED BY: C:\Soft\Keil_v5\C51\BIN\A51.EXE STARTUP.A51 SET(SMALL) DEBUG PRINT(.\Listings\STARTUP.lst) OBJECT(
+                      .\Objects\STARTUP.obj) EP
+
+LOC  OBJ            LINE     SOURCE
+
+                       1     $nomod51 
+                       2     ;------------------------------------------------------------------------------
+                       3     ;  This file is part of the C51 Compiler package
+                       4     ;  Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc.
+                       5     ;  Version 8.01
+                       6     ;
+                       7     ;  *** <<< Use Configuration Wizard in Context Menu >>> ***
+                       8     ;------------------------------------------------------------------------------
+                       9     ;  STARTUP.A51:  This code is executed after processor reset.
+                      10     ;
+                      11     ;  To translate this file use A51 with the following invocation:
+                      12     ;
+                      13     ;     A51 STARTUP.A51
+                      14     ;
+                      15     ;  To link the modified STARTUP.OBJ file to your application use the following
+                      16     ;  Lx51 invocation:
+                      17     ;
+                      18     ;     Lx51 your object file list, STARTUP.OBJ  controls
+                      19     ;
+                      20     ;------------------------------------------------------------------------------
+                      21     ;
+                      22     ;  User-defined <h> Power-On Initialization of Memory
+                      23     ;
+                      24     ;  With the following EQU statements the initialization of memory
+                      25     ;  at processor reset can be defined:
+                      26     ;
+                      27     ; <o> IDATALEN: IDATA memory size <0x0-0x100>
+                      28     ;     <i> Note: The absolute start-address of IDATA memory is always 0
+                      29     ;     <i>       The IDATA space overlaps physically the DATA and BIT areas.
+  0080                30     IDATALEN        EQU     80H
+                      31     ;
+                      32     ; <o> XDATASTART: XDATA memory start address <0x0-0xFFFF> 
+                      33     ;     <i> The absolute start address of XDATA memory
+  0000                34     XDATASTART      EQU     0     
+                      35     ;
+                      36     ; <o> XDATALEN: XDATA memory size <0x0-0xFFFF> 
+                      37     ;     <i> The length of XDATA memory in bytes.
+  0000                38     XDATALEN        EQU     0      
+                      39     ;
+                      40     ; <o> PDATASTART: PDATA memory start address <0x0-0xFFFF> 
+                      41     ;     <i> The absolute start address of PDATA memory
+  0000                42     PDATASTART      EQU     0H
+                      43     ;
+                      44     ; <o> PDATALEN: PDATA memory size <0x0-0xFF> 
+                      45     ;     <i> The length of PDATA memory in bytes.
+  0000                46     PDATALEN        EQU     0H
+                      47     ;
+                      48     ;</h>
+                      49     ;------------------------------------------------------------------------------
+                      50     ;
+                      51     ;<h> Reentrant Stack Initialization
+                      52     ;
+                      53     ;  The following EQU statements define the stack pointer for reentrant
+                      54     ;  functions and initialized it:
+                      55     ;
+                      56     ; <h> Stack Space for reentrant functions in the SMALL model.
+                      57     ;  <q> IBPSTACK: Enable SMALL model reentrant stack
+A51 MACRO ASSEMBLER  STARTUP                                                              04/27/2023 08:31:55 PAGE     2
+
+                      58     ;     <i> Stack space for reentrant functions in the SMALL model.
+  0000                59     IBPSTACK        EQU     0       ; set to 1 if small reentrant is used.
+                      60     ;  <o> IBPSTACKTOP: End address of SMALL model stack <0x0-0xFF>
+                      61     ;     <i> Set the top of the stack to the highest location.
+  0100                62     IBPSTACKTOP     EQU     0xFF +1     ; default 0FFH+1  
+                      63     ; </h>
+                      64     ;
+                      65     ; <h> Stack Space for reentrant functions in the LARGE model.      
+                      66     ;  <q> XBPSTACK: Enable LARGE model reentrant stack
+                      67     ;     <i> Stack space for reentrant functions in the LARGE model.
+  0000                68     XBPSTACK        EQU     0       ; set to 1 if large reentrant is used.
+                      69     ;  <o> XBPSTACKTOP: End address of LARGE model stack <0x0-0xFFFF>
+                      70     ;     <i> Set the top of the stack to the highest location.
+  0000                71     XBPSTACKTOP     EQU     0xFFFF +1   ; default 0FFFFH+1 
+                      72     ; </h>
+                      73     ;
+                      74     ; <h> Stack Space for reentrant functions in the COMPACT model.    
+                      75     ;  <q> PBPSTACK: Enable COMPACT model reentrant stack
+                      76     ;     <i> Stack space for reentrant functions in the COMPACT model.
+  0000                77     PBPSTACK        EQU     0       ; set to 1 if compact reentrant is used.
+                      78     ;
+                      79     ;   <o> PBPSTACKTOP: End address of COMPACT model stack <0x0-0xFFFF>
+                      80     ;     <i> Set the top of the stack to the highest location.
+  0100                81     PBPSTACKTOP     EQU     0xFF +1     ; default 0FFH+1  
+                      82     ; </h>
+                      83     ;</h>
+                      84     ;------------------------------------------------------------------------------
+                      85     ;
+                      86     ;  Memory Page for Using the Compact Model with 64 KByte xdata RAM
+                      87     ;  <e>Compact Model Page Definition
+                      88     ;
+                      89     ;  <i>Define the XDATA page used for PDATA variables. 
+                      90     ;  <i>PPAGE must conform with the PPAGE set in the linker invocation.
+                      91     ;
+                      92     ; Enable pdata memory page initalization
+  0000                93     PPAGEENABLE     EQU     0       ; set to 1 if pdata object are used.
+                      94     ;
+                      95     ; <o> PPAGE number <0x0-0xFF> 
+                      96     ; <i> uppermost 256-byte address of the page used for PDATA variables.
+  0000                97     PPAGE           EQU     0
+                      98     ;
+                      99     ; <o> SFR address which supplies uppermost address byte <0x0-0xFF> 
+                     100     ; <i> most 8051 variants use P2 as uppermost address byte
+  00A0               101     PPAGE_SFR       DATA    0A0H
+                     102     ;
+                     103     ; </e>
+                     104     ;------------------------------------------------------------------------------
+                     105     
+                     106     ; Standard SFR Symbols 
+  00E0               107     ACC     DATA    0E0H
+  00F0               108     B       DATA    0F0H
+  0081               109     SP      DATA    81H
+  0082               110     DPL     DATA    82H
+  0083               111     DPH     DATA    83H
+                     112     
+                     113                     NAME    ?C_STARTUP
+                     114     
+                     115     
+                     116     ?C_C51STARTUP   SEGMENT   CODE
+                     117     ?STACK          SEGMENT   IDATA
+                     118     
+----                 119                     RSEG    ?STACK
+0000                 120                     DS      1
+                     121     
+                     122                     EXTRN CODE (?C_START)
+                     123                     PUBLIC  ?C_STARTUP
+A51 MACRO ASSEMBLER  STARTUP                                                              04/27/2023 08:31:55 PAGE     3
+
+                     124     
+----                 125                     CSEG    AT      0
+0000 020000   F      126     ?C_STARTUP:     LJMP    STARTUP1
+                     127     
+----                 128                     RSEG    ?C_C51STARTUP
+                     129     
+0000                 130     STARTUP1:
+                     131     
+                     132     IF IDATALEN <> 0
+0000 787F            133                     MOV     R0,#IDATALEN - 1
+0002 E4              134                     CLR     A
+0003 F6              135     IDATALOOP:      MOV     @R0,A
+0004 D8FD            136                     DJNZ    R0,IDATALOOP
+                     137     ENDIF
+                     138     
+                     139     IF XDATALEN <> 0
+                                             MOV     DPTR,#XDATASTART
+                                             MOV     R7,#LOW (XDATALEN)
+                               IF (LOW (XDATALEN)) <> 0
+                                             MOV     R6,#(HIGH (XDATALEN)) +1
+                               ELSE
+                                             MOV     R6,#HIGH (XDATALEN)
+                               ENDIF
+                                             CLR     A
+                             XDATALOOP:      MOVX    @DPTR,A
+                                             INC     DPTR
+                                             DJNZ    R7,XDATALOOP
+                                             DJNZ    R6,XDATALOOP
+                             ENDIF
+                     153     
+                     154     IF PPAGEENABLE <> 0
+                                             MOV     PPAGE_SFR,#PPAGE
+                             ENDIF
+                     157     
+                     158     IF PDATALEN <> 0
+                                             MOV     R0,#LOW (PDATASTART)
+                                             MOV     R7,#LOW (PDATALEN)
+                                             CLR     A
+                             PDATALOOP:      MOVX    @R0,A
+                                             INC     R0
+                                             DJNZ    R7,PDATALOOP
+                             ENDIF
+                     166     
+                     167     IF IBPSTACK <> 0
+                             EXTRN DATA (?C_IBP)
+                             
+                                             MOV     ?C_IBP,#LOW IBPSTACKTOP
+                             ENDIF
+                     172     
+                     173     IF XBPSTACK <> 0
+                             EXTRN DATA (?C_XBP)
+                             
+                                             MOV     ?C_XBP,#HIGH XBPSTACKTOP
+                                             MOV     ?C_XBP+1,#LOW XBPSTACKTOP
+                             ENDIF
+                     179     
+                     180     IF PBPSTACK <> 0
+                             EXTRN DATA (?C_PBP)
+                                             MOV     ?C_PBP,#LOW PBPSTACKTOP
+                             ENDIF
+                     184     
+0006 758100   F      185                     MOV     SP,#?STACK-1
+                     186     
+                     187     ; This code is required if you use L51_BANK.A51 with Banking Mode 4
+                     188     ;<h> Code Banking
+                     189     ; <q> Select Bank 0 for L51_BANK.A51 Mode 4
+A51 MACRO ASSEMBLER  STARTUP                                                              04/27/2023 08:31:55 PAGE     4
+
+                     190     
+                             
+                             
+                                             
+                             
+                     195     ;</h>
+0009 020000   F      196                     LJMP    ?C_START
+                     197     
+                     198                     END
+A51 MACRO ASSEMBLER  STARTUP                                                              04/27/2023 08:31:55 PAGE     5
+
+SYMBOL TABLE LISTING
+------ ----- -------
+
+
+N A M E             T Y P E  V A L U E   ATTRIBUTES
+
+?C_C51STARTUP. . .  C SEG    000CH       REL=UNIT
+?C_START . . . . .  C ADDR   -----       EXT
+?C_STARTUP . . . .  C ADDR   0000H   A   
+?STACK . . . . . .  I SEG    0001H       REL=UNIT
+ACC. . . . . . . .  D ADDR   00E0H   A   
+B. . . . . . . . .  D ADDR   00F0H   A   
+DPH. . . . . . . .  D ADDR   0083H   A   
+DPL. . . . . . . .  D ADDR   0082H   A   
+IBPSTACK . . . . .  N NUMB   0000H   A   
+IBPSTACKTOP. . . .  N NUMB   0100H   A   
+IDATALEN . . . . .  N NUMB   0080H   A   
+IDATALOOP. . . . .  C ADDR   0003H   R   SEG=?C_C51STARTUP
+PBPSTACK . . . . .  N NUMB   0000H   A   
+PBPSTACKTOP. . . .  N NUMB   0100H   A   
+PDATALEN . . . . .  N NUMB   0000H   A   
+PDATASTART . . . .  N NUMB   0000H   A   
+PPAGE. . . . . . .  N NUMB   0000H   A   
+PPAGEENABLE. . . .  N NUMB   0000H   A   
+PPAGE_SFR. . . . .  D ADDR   00A0H   A   
+SP . . . . . . . .  D ADDR   0081H   A   
+STARTUP1 . . . . .  C ADDR   0000H   R   SEG=?C_C51STARTUP
+XBPSTACK . . . . .  N NUMB   0000H   A   
+XBPSTACKTOP. . . .  N NUMB   0000H   A   
+XDATALEN . . . . .  N NUMB   0000H   A   
+XDATASTART . . . .  N NUMB   0000H   A   
+
+
+REGISTER BANK(S) USED: 0 
+
+
+ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)

51/液晶显示/Listings/液晶.lst

@@ -0,0 +1,144 @@
+C51 COMPILER V9.60.7.0   ____                                                              04/27/2023 08:31:55 PAGE 1   
+
+
+C51 COMPILER V9.60.7.0, COMPILATION OF MODULE ____
+OBJECT MODULE PLACED IN .\Objects\Òº¾§.obj
+COMPILER INVOKED BY: C:\Soft\Keil_v5\C51\BIN\C51.EXE Òº¾§.c OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND PRINT(.\Listings
+                    -\Òº¾§.lst) TABS(2) OBJECT(.\Objects\Òº¾§.obj)
+
+line level    source
+
+   1          #include<reg51.h>
+   2          #include<intrins.h>
+   3          sbit RS=P3^0;
+   4          sbit RW=P3^1;                    
+   5          sbit E= P3^2;                    
+   6          void lcd_w_cmd(unsigned char com);
+   7          void lcd_w_dat(unsigned char dat);  
+   8          unsigned char lcd_r_start();      
+   9          void lcd_init();              
+  10          void delay100us(unsigned char t);    
+  11          void delay5us(unsigned char n);    
+  12          void main()              
+  13          {
+  14   1      unsigned char Disp[]="Hello Everyone";
+  15   1      unsigned char i;
+  16   1      P1=0xff;                          
+  17   1      lcd_init();                      
+  18   1      delay100us(255);
+  19   1      lcd_w_cmd(0x82);                  
+  20   1      delay100us(255);
+  21   1      for(i=0;i<14;i++)                  
+  22   1      {                  
+  23   2      lcd_w_dat(Disp[i]);
+  24   2      delay100us(200);
+  25   2      }
+  26   1      while(1);                      
+  27   1      }
+  28          
+  29          void delay100us(unsigned char t)    
+  30          {
+  31   1      unsigned char j,i;
+  32   1      for(i=0;i<t;i++)
+  33   1      for(j=0;j<10;j++);
+  34   1      }
+  35          
+  36          void delay5us(unsigned char n)
+  37          {   do
+  38   1      {
+  39   2      _nop_();
+  40   2      _nop_();
+  41   2      _nop_();
+  42   2      n--;
+  43   2      }
+  44   1      while(n);
+  45   1      }
+  46          
+  47          void lcd_init()          
+  48          {
+  49   1      lcd_w_cmd(0x3c);
+  50   1      lcd_w_cmd(0x0c);  
+  51   1      lcd_w_cmd(0x01);              
+  52   1      lcd_w_cmd(0x06);            
+  53   1      lcd_w_cmd(0x80);              
+  54   1      }
+C51 COMPILER V9.60.7.0   ____                                                              04/27/2023 08:31:55 PAGE 2   
+
+  55          
+  56          unsigned char lcd_r_start()        
+  57          {
+  58   1      unsigned char s;
+  59   1      RW=1;              
+  60   1      delay5us(1);
+  61   1      RS=0;
+  62   1      delay5us(1);
+  63   1      E=1;            
+  64   1      delay5us(1);
+  65   1      s=P1;            
+  66   1      delay5us(1);
+  67   1      E=0;
+  68   1      delay5us(1);
+  69   1      RW=0;
+  70   1      delay5us(1);
+  71   1      return(s);        
+  72   1      }
+  73          
+  74          void lcd_w_cmd(unsigned char com)  
+  75          {
+  76   1      unsigned char i;
+  77   1      do{                    
+  78   2      i=lcd_r_start();    
+  79   2      i=i&0x80;                
+  80   2      delay100us(2);
+  81   2      }while(i!=0);            
+  82   1      RW=0;
+  83   1      delay5us(1);
+  84   1      RS=0;            
+  85   1      delay5us(1);
+  86   1      E=1;            
+  87   1      delay5us(1);
+  88   1      P1=com;          
+  89   1      delay5us(1);
+  90   1      E=0;
+  91   1      delay5us(1);
+  92   1      RW=1;
+  93   1      delay100us(255);
+  94   1      }
+  95          
+  96          void lcd_w_dat(unsigned char dat)  
+  97          {
+  98   1      unsigned char i;
+  99   1      do{                  
+ 100   2      i=lcd_r_start();    
+ 101   2      i=i&0x80;                  
+ 102   2      delay100us(2);          
+ 103   2      }while(i!=0);                
+ 104   1      RW=0;
+ 105   1      delay5us(1);
+ 106   1      RS=1;            
+ 107   1      delay5us(1);
+ 108   1      E=1;          
+ 109   1      delay5us(1);
+ 110   1      P1=dat;          
+ 111   1      delay5us(1);
+ 112   1      E=0;
+ 113   1      delay5us(1);
+ 114   1      RW=1;
+ 115   1      delay100us(255);
+ 116   1      }
+C51 COMPILER V9.60.7.0   ____                                                              04/27/2023 08:31:55 PAGE 3   
+
+
+
+MODULE INFORMATION:   STATIC OVERLAYABLE
+   CODE SIZE        =    238    ----
+   CONSTANT SIZE    =     15    ----
+   XDATA SIZE       =   ----    ----
+   PDATA SIZE       =   ----    ----
+   DATA SIZE        =   ----      16
+   IDATA SIZE       =   ----    ----
+   BIT SIZE         =   ----    ----
+END OF MODULE INFORMATION.
+
+
+C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)

51/液晶显示/Listings/液晶显示.m51

@@ -0,0 +1,283 @@
+BL51 BANKED LINKER/LOCATER V6.22.4.0                                                    04/27/2023  08:31:55  PAGE 1
+
+
+BL51 BANKED LINKER/LOCATER V6.22.4.0, INVOKED BY:
+C:\SOFT\KEIL_V5\C51\BIN\BL51.EXE .\Objects\STARTUP.obj, .\Objects\Òº¾§.obj TO .\Objects\Òº¾§ÏÔʾ PRINT (.\Listings\Òº¾§Ï
+>> Ôʾ.m51) RAMSIZE (256)
+
+
+MEMORY MODEL: SMALL
+
+
+INPUT MODULES INCLUDED:
+  .\Objects\STARTUP.obj (?C_STARTUP)
+  .\Objects\Òº¾§.obj (____)
+  C:\SOFT\KEIL_V5\C51\LIB\C51S.LIB (?C?COPY)
+
+
+LINK MAP OF MODULE:  .\Objects\Òº¾§ÏÔʾ (?C_STARTUP)
+
+
+            TYPE    BASE      LENGTH    RELOCATION   SEGMENT NAME
+            -----------------------------------------------------
+
+            * * * * * * *   D A T A   M E M O R Y   * * * * * * *
+            REG     0000H     0008H     ABSOLUTE     "REG BANK 0"
+            DATA    0008H     0010H     UNIT         _DATA_GROUP_
+            IDATA   0018H     0001H     UNIT         ?STACK
+
+            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
+            CODE    0000H     0003H     ABSOLUTE     
+            CODE    0003H     00F6H     UNIT         ?C?LIB_CODE
+            CODE    00F9H     0045H     UNIT         ?PR?MAIN?____
+            CODE    013EH     0024H     UNIT         ?PR?LCD_R_START?____
+            CODE    0162H     001DH     UNIT         ?PR?_DELAY5US?____
+            CODE    017FH     001BH     UNIT         ?PR?_DELAY100US?____
+            CODE    019AH     001AH     UNIT         ?PR?_LCD_W_CMD?____
+            CODE    01B4H     001AH     UNIT         ?PR?_LCD_W_DAT?____
+            CODE    01CEH     0019H     UNIT         ?PR?LCD_INIT?____
+            CODE    01E7H     000FH     UNIT         ?CO?____
+            CODE    01F6H     000CH     UNIT         ?C_C51STARTUP
+
+
+
+OVERLAY MAP OF MODULE:   .\Objects\Òº¾§ÏÔʾ (?C_STARTUP)
+
+
+SEGMENT                          DATA_GROUP 
+  +--> CALLED SEGMENT          START    LENGTH
+----------------------------------------------
+?C_C51STARTUP                  -----    -----
+  +--> ?PR?MAIN?____
+
+?PR?MAIN?____                  0008H    0010H
+  +--> ?CO?____
+  +--> ?PR?LCD_INIT?____
+  +--> ?PR?_DELAY100US?____
+  +--> ?PR?_LCD_W_CMD?____
+  +--> ?PR?_LCD_W_DAT?____
+
+?PR?LCD_INIT?____              -----    -----
+  +--> ?PR?_LCD_W_CMD?____
+BL51 BANKED LINKER/LOCATER V6.22.4.0                                                  04/27/2023  08:31:55  PAGE 2
+
+
+
+?PR?_LCD_W_CMD?____            -----    -----
+  +--> ?PR?_DELAY100US?____
+  +--> ?PR?_DELAY5US?____
+
+?PR?_DELAY100US?____           -----    -----
+  +--> ?PR?LCD_R_START?____
+
+?PR?LCD_R_START?____           -----    -----
+  +--> ?PR?_DELAY5US?____
+
+?PR?_LCD_W_DAT?____            -----    -----
+  +--> ?PR?_DELAY100US?____
+  +--> ?PR?_DELAY5US?____
+
+
+
+SYMBOL TABLE OF MODULE:  .\Objects\Òº¾§ÏÔʾ (?C_STARTUP)
+
+  VALUE           TYPE          NAME
+  ----------------------------------
+
+  -------         MODULE        ?C_STARTUP
+  C:01F6H         SEGMENT       ?C_C51STARTUP
+  I:0018H         SEGMENT       ?STACK
+  C:0000H         PUBLIC        ?C_STARTUP
+  D:00E0H         SYMBOL        ACC
+  D:00F0H         SYMBOL        B
+  D:0083H         SYMBOL        DPH
+  D:0082H         SYMBOL        DPL
+  N:0000H         SYMBOL        IBPSTACK
+  N:0100H         SYMBOL        IBPSTACKTOP
+  N:0080H         SYMBOL        IDATALEN
+  C:01F9H         SYMBOL        IDATALOOP
+  N:0000H         SYMBOL        PBPSTACK
+  N:0100H         SYMBOL        PBPSTACKTOP
+  N:0000H         SYMBOL        PDATALEN
+  N:0000H         SYMBOL        PDATASTART
+  N:0000H         SYMBOL        PPAGE
+  N:0000H         SYMBOL        PPAGEENABLE
+  D:00A0H         SYMBOL        PPAGE_SFR
+  D:0081H         SYMBOL        SP
+  C:01F6H         SYMBOL        STARTUP1
+  N:0000H         SYMBOL        XBPSTACK
+  N:0000H         SYMBOL        XBPSTACKTOP
+  N:0000H         SYMBOL        XDATALEN
+  N:0000H         SYMBOL        XDATASTART
+  C:0000H         LINE#         126
+  C:01F6H         LINE#         133
+  C:01F8H         LINE#         134
+  C:01F9H         LINE#         135
+  C:01FAH         LINE#         136
+  C:01FCH         LINE#         185
+  C:01FFH         LINE#         196
+  -------         ENDMOD        ?C_STARTUP
+
+  -------         MODULE        ____
+BL51 BANKED LINKER/LOCATER V6.22.4.0                                                  04/27/2023  08:31:55  PAGE 3
+
+
+  C:0000H         SYMBOL        _ICE_DUMMY_
+  D:0090H         PUBLIC        P1
+  D:00B0H         PUBLIC        P3
+  C:0189H         PUBLIC        _delay100us
+  C:013EH         PUBLIC        lcd_r_start
+  C:019AH         PUBLIC        _lcd_w_cmd
+  B:00B0H.0       PUBLIC        RS
+  C:00F9H         PUBLIC        main
+  C:01B4H         PUBLIC        _lcd_w_dat
+  B:00B0H.1       PUBLIC        RW
+  C:0179H         PUBLIC        _delay5us
+  C:01E7H         SYMBOL        _?ix1000
+  B:00B0H.2       PUBLIC        E
+  C:01CEH         PUBLIC        lcd_init
+  -------         PROC          MAIN
+  -------         DO            
+  D:0008H         SYMBOL        Disp
+  D:0017H         SYMBOL        i
+  -------         ENDDO         
+  C:00F9H         LINE#         12
+  C:00F9H         LINE#         13
+  C:00F9H         LINE#         14
+  C:010CH         LINE#         16
+  C:010FH         LINE#         17
+  C:0112H         LINE#         18
+  C:0117H         LINE#         19
+  C:011CH         LINE#         20
+  C:0121H         LINE#         21
+  C:0124H         LINE#         22
+  C:0124H         LINE#         23
+  C:012EH         LINE#         24
+  C:0133H         LINE#         25
+  C:013CH         LINE#         26
+  -------         ENDPROC       MAIN
+  -------         PROC          L?0030
+  -------         ENDPROC       L?0030
+  -------         PROC          _DELAY100US
+  D:0007H         SYMBOL        t
+  -------         DO            
+  D:0005H         SYMBOL        j
+  D:0006H         SYMBOL        i
+  -------         ENDDO         
+  C:0189H         LINE#         29
+  C:0189H         LINE#         30
+  C:0189H         LINE#         32
+  C:0190H         LINE#         33
+  C:0199H         LINE#         34
+  -------         ENDPROC       _DELAY100US
+  C:0170H         SYMBOL        L?0029
+  -------         PROC          L?0028
+  -------         ENDPROC       L?0028
+  C:0170H         SYMBOL        L?0029
+  -------         PROC          _DELAY5US
+  D:0007H         SYMBOL        n
+  C:0179H         LINE#         36
+  C:0179H         LINE#         37
+  C:0179H         LINE#         38
+BL51 BANKED LINKER/LOCATER V6.22.4.0                                                  04/27/2023  08:31:55  PAGE 4
+
+
+  C:0179H         LINE#         39
+  C:017AH         LINE#         40
+  C:017BH         LINE#         41
+  C:017CH         LINE#         42
+  C:017EH         LINE#         43
+  C:017EH         LINE#         44
+  C:017EH         LINE#         45
+  -------         ENDPROC       _DELAY5US
+  -------         PROC          LCD_INIT
+  C:01CEH         LINE#         47
+  C:01CEH         LINE#         48
+  C:01CEH         LINE#         49
+  C:01D3H         LINE#         50
+  C:01D8H         LINE#         51
+  C:01DDH         LINE#         52
+  C:01E2H         LINE#         53
+  -------         ENDPROC       LCD_INIT
+  -------         PROC          LCD_R_START
+  -------         DO            
+  D:0006H         SYMBOL        s
+  -------         ENDDO         
+  C:013EH         LINE#         56
+  C:013EH         LINE#         57
+  C:013EH         LINE#         59
+  C:0140H         LINE#         60
+  C:0145H         LINE#         61
+  C:0147H         LINE#         62
+  C:014CH         LINE#         63
+  C:014EH         LINE#         64
+  C:0153H         LINE#         65
+  C:0155H         LINE#         66
+  C:0155H         LINE#         67
+  C:0155H         LINE#         68
+  C:0158H         LINE#         69
+  C:015AH         LINE#         70
+  C:015FH         LINE#         71
+  C:0161H         LINE#         72
+  -------         ENDPROC       LCD_R_START
+  -------         PROC          _LCD_W_CMD
+  D:0004H         SYMBOL        com
+  -------         DO            
+  D:0003H         SYMBOL        i
+  -------         ENDDO         
+  C:019AH         LINE#         74
+  C:019CH         LINE#         75
+  C:019CH         LINE#         77
+  C:019CH         LINE#         78
+  C:019CH         LINE#         79
+  C:019CH         LINE#         80
+  C:019FH         LINE#         81
+  C:01A2H         LINE#         82
+  C:01A4H         LINE#         83
+  C:01A8H         LINE#         84
+  C:01AAH         LINE#         85
+  C:01AAH         LINE#         86
+  C:01AAH         LINE#         87
+  C:01AAH         LINE#         88
+BL51 BANKED LINKER/LOCATER V6.22.4.0                                                  04/27/2023  08:31:55  PAGE 5
+
+
+  C:01AAH         LINE#         89
+  C:01AAH         LINE#         90
+  C:01AAH         LINE#         91
+  C:01ADH         LINE#         92
+  C:01AFH         LINE#         93
+  -------         ENDPROC       _LCD_W_CMD
+  -------         PROC          _LCD_W_DAT
+  D:0004H         SYMBOL        dat
+  -------         DO            
+  D:0003H         SYMBOL        i
+  -------         ENDDO         
+  C:01B4H         LINE#         96
+  C:01B6H         LINE#         97
+  C:01B6H         LINE#         99
+  C:01B6H         LINE#         100
+  C:01B6H         LINE#         101
+  C:01B6H         LINE#         102
+  C:01B9H         LINE#         103
+  C:01BCH         LINE#         104
+  C:01BEH         LINE#         105
+  C:01C2H         LINE#         106
+  C:01C4H         LINE#         107
+  C:01C4H         LINE#         108
+  C:01C4H         LINE#         109
+  C:01C4H         LINE#         110
+  C:01C4H         LINE#         111
+  C:01C4H         LINE#         112
+  C:01C4H         LINE#         113
+  C:01C7H         LINE#         114
+  C:01C9H         LINE#         115
+  -------         ENDPROC       _LCD_W_DAT
+  -------         ENDMOD        ____
+
+  -------         MODULE        ?C?COPY
+  C:00D3H         PUBLIC        ?C?COPY
+  -------         ENDMOD        ?C?COPY
+
+Program Size: data=25.0 xdata=0 code=514
+LINK/LOCATE RUN COMPLETE.  0 WARNING(S),  0 ERROR(S)

51/液晶显示/Objects/液晶显示.build_log.htm

@@ -0,0 +1,35 @@
+<html>
+<body>
+<pre>
+<h1>µVision Build Log</h1>
+<h2>Tool Versions:</h2>
+IDE-Version: ¦ÌVision V5.25.2.0
+Copyright (C) 2018 ARM Ltd and ARM Germany GmbH. All rights reserved.
+License Information: GDKM XXXY, Guangdong Vocational College Of Science and Trade, LIC=58E4T-R9YM9-1CBJA-1XAHB-1YVSM-NDV9N
+ 
+Tool Versions:
+Toolchain:       PK51 Prof. Developers Kit  Version: 9.60.7.0
+Toolchain Path:  C:\Soft\Keil_v5\C51\BIN
+C Compiler:      C51.exe V9.60.7.0
+Assembler:       A51.exe V8.2.7.0
+Linker/Locator:  BL51.exe V6.22.4.0
+Library Manager: LIB51.exe V4.30.1.0
+Hex Converter:   OH51.exe V2.7.0.0
+CPU DLL:         S8051.DLL V3.125.1.0
+Dialog DLL:      DP51.DLL V2.69.0.0 
+<h2>Project:</h2>
+D:\Òº¾§ÏÔʾ\Òº¾§ÏÔʾ.uvproj
+Project File Date:  04/11/2023
+
+<h2>Output:</h2>
+Rebuild target 'Target 1'
+assembling STARTUP.A51...
+compiling Òº¾§.c...
+linking...
+Program Size: data=25.0 xdata=0 code=514
+creating hex file from ".\Objects\Òº¾§ÏÔʾ"...
+".\Objects\Òº¾§ÏÔʾ" - 0 Error(s), 0 Warning(s).
+Build Time Elapsed:  00:00:01
+</pre>
+</body>
+</html>

51/液晶显示/Objects/液晶显示.hex

@@ -0,0 +1,43 @@
+:030000000201F604
+:0C01F600787FE4F6D8FD7581170200F94F
+:0F01E70048656C6C6F2045766572796F6E6500A8
+:1000F90078087C007D007BFF7A0179E77E007F0F1D
+:100109001200D37590FF1201CE7FFF1201897F8201
+:1001190012019A7FFF120189E4F51774082517F86F
+:10012900E6FF1201B47FC81201890517E517C394C8
+:050139000E40E880FE0D
+:0A017F0012013EAB075303807F021C
+:10018900E4FEEEC39F5009E4FD0DBD0AFC0E80F2AA
+:010199002243
+:100162007F01120179D2B27F011201798C907F0155
+:07017200120179C2B27F0106
+:06017900000000DFFB2284
+:1001CE007F3C12019A7F0C12019A7F0112019A7FD5
+:0901DE000612019A7F8002019AC9
+:10013E00D2B17F01120179C2B07F01120179D2B220
+:10014E007F01120179AE90120170C2B17F011201CE
+:03015E0079AF0670
+:01016100227B
+:02019A00AC07B0
+:10019C0012017FEB70FAC2B11F120179C2B01201C9
+:0801AC0062D2B17FFF0201895C
+:0201B400AC0796
+:1001B60012017FEB70FAC2B11F120179D2B012019F
+:0801C60062D2B17FFF02018942
+:10000300E709F608DFFA8046E709F208DFFA803EDF
+:1000130088828C83E709F0A3DFFA8032E309F608CC
+:10002300DFFA8078E309F208DFFA807088828C8334
+:10003300E309F0A3DFFA806489828A83E0A3F608E8
+:10004300DFFA805889828A83E0A3F208DFFA804CC2
+:1000530080D280FA80C680D4806980F28033801099
+:1000630080A680EA809A80A880DA80E280CA803302
+:1000730089828A83ECFAE493A3C8C582C8CCC5837A
+:10008300CCF0A3C8C582C8CCC583CCDFE9DEE7804A
+:100093000D89828A83E493A3F608DFF9ECFAA9F0C9
+:1000A300EDFB2289828A83ECFAE0A3C8C582C8CC1F
+:1000B300C583CCF0A3C8C582C8CCC583CCDFEADE38
+:1000C300E880DB89828A83E493A3F208DFF980CC9A
+:1000D30088F0EF60010E4E60C388F0ED2402B40493
+:1000E3000050B9F582EB2402B4040050AF2323453A
+:0600F3008223900053730C
+:00000001FF

51/液晶显示/Objects/液晶显示.lnp

@@ -0,0 +1,4 @@
+".\Objects\STARTUP.obj",
+".\Objects\Òº¾§.obj" 
+TO ".\Objects\Òº¾§ÏÔʾ" 
+PRINT(".\Listings\Òº¾§ÏÔʾ.m51") RAMSIZE(256) 

51/液晶显示/STARTUP.A51

@@ -0,0 +1,198 @@
+$NOMOD51
+;------------------------------------------------------------------------------
+;  This file is part of the C51 Compiler package
+;  Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc.
+;  Version 8.01
+;
+;  *** <<< Use Configuration Wizard in Context Menu >>> ***
+;------------------------------------------------------------------------------
+;  STARTUP.A51:  This code is executed after processor reset.
+;
+;  To translate this file use A51 with the following invocation:
+;
+;     A51 STARTUP.A51
+;
+;  To link the modified STARTUP.OBJ file to your application use the following
+;  Lx51 invocation:
+;
+;     Lx51 your object file list, STARTUP.OBJ  controls
+;
+;------------------------------------------------------------------------------
+;
+;  User-defined <h> Power-On Initialization of Memory
+;
+;  With the following EQU statements the initialization of memory
+;  at processor reset can be defined:
+;
+; <o> IDATALEN: IDATA memory size <0x0-0x100>
+;     <i> Note: The absolute start-address of IDATA memory is always 0
+;     <i>       The IDATA space overlaps physically the DATA and BIT areas.
+IDATALEN        EQU     80H
+;
+; <o> XDATASTART: XDATA memory start address <0x0-0xFFFF> 
+;     <i> The absolute start address of XDATA memory
+XDATASTART      EQU     0     
+;
+; <o> XDATALEN: XDATA memory size <0x0-0xFFFF> 
+;     <i> The length of XDATA memory in bytes.
+XDATALEN        EQU     0      
+;
+; <o> PDATASTART: PDATA memory start address <0x0-0xFFFF> 
+;     <i> The absolute start address of PDATA memory
+PDATASTART      EQU     0H
+;
+; <o> PDATALEN: PDATA memory size <0x0-0xFF> 
+;     <i> The length of PDATA memory in bytes.
+PDATALEN        EQU     0H
+;
+;</h>
+;------------------------------------------------------------------------------
+;
+;<h> Reentrant Stack Initialization
+;
+;  The following EQU statements define the stack pointer for reentrant
+;  functions and initialized it:
+;
+; <h> Stack Space for reentrant functions in the SMALL model.
+;  <q> IBPSTACK: Enable SMALL model reentrant stack
+;     <i> Stack space for reentrant functions in the SMALL model.
+IBPSTACK        EQU     0       ; set to 1 if small reentrant is used.
+;  <o> IBPSTACKTOP: End address of SMALL model stack <0x0-0xFF>
+;     <i> Set the top of the stack to the highest location.
+IBPSTACKTOP     EQU     0xFF +1     ; default 0FFH+1  
+; </h>
+;
+; <h> Stack Space for reentrant functions in the LARGE model.      
+;  <q> XBPSTACK: Enable LARGE model reentrant stack
+;     <i> Stack space for reentrant functions in the LARGE model.
+XBPSTACK        EQU     0       ; set to 1 if large reentrant is used.
+;  <o> XBPSTACKTOP: End address of LARGE model stack <0x0-0xFFFF>
+;     <i> Set the top of the stack to the highest location.
+XBPSTACKTOP     EQU     0xFFFF +1   ; default 0FFFFH+1 
+; </h>
+;
+; <h> Stack Space for reentrant functions in the COMPACT model.    
+;  <q> PBPSTACK: Enable COMPACT model reentrant stack
+;     <i> Stack space for reentrant functions in the COMPACT model.
+PBPSTACK        EQU     0       ; set to 1 if compact reentrant is used.
+;
+;   <o> PBPSTACKTOP: End address of COMPACT model stack <0x0-0xFFFF>
+;     <i> Set the top of the stack to the highest location.
+PBPSTACKTOP     EQU     0xFF +1     ; default 0FFH+1  
+; </h>
+;</h>
+;------------------------------------------------------------------------------
+;
+;  Memory Page for Using the Compact Model with 64 KByte xdata RAM
+;  <e>Compact Model Page Definition
+;
+;  <i>Define the XDATA page used for PDATA variables. 
+;  <i>PPAGE must conform with the PPAGE set in the linker invocation.
+;
+; Enable pdata memory page initalization
+PPAGEENABLE     EQU     0       ; set to 1 if pdata object are used.
+;
+; <o> PPAGE number <0x0-0xFF> 
+; <i> uppermost 256-byte address of the page used for PDATA variables.
+PPAGE           EQU     0
+;
+; <o> SFR address which supplies uppermost address byte <0x0-0xFF> 
+; <i> most 8051 variants use P2 as uppermost address byte
+PPAGE_SFR       DATA    0A0H
+;
+; </e>
+;------------------------------------------------------------------------------
+
+; Standard SFR Symbols 
+ACC     DATA    0E0H
+B       DATA    0F0H
+SP      DATA    81H
+DPL     DATA    82H
+DPH     DATA    83H
+
+                NAME    ?C_STARTUP
+
+
+?C_C51STARTUP   SEGMENT   CODE
+?STACK          SEGMENT   IDATA
+
+                RSEG    ?STACK
+                DS      1
+
+                EXTRN CODE (?C_START)
+                PUBLIC  ?C_STARTUP
+
+                CSEG    AT      0
+?C_STARTUP:     LJMP    STARTUP1
+
+                RSEG    ?C_C51STARTUP
+
+STARTUP1:
+
+IF IDATALEN <> 0
+                MOV     R0,#IDATALEN - 1
+                CLR     A
+IDATALOOP:      MOV     @R0,A
+                DJNZ    R0,IDATALOOP
+ENDIF
+
+IF XDATALEN <> 0
+                MOV     DPTR,#XDATASTART
+                MOV     R7,#LOW (XDATALEN)
+  IF (LOW (XDATALEN)) <> 0
+                MOV     R6,#(HIGH (XDATALEN)) +1
+  ELSE
+                MOV     R6,#HIGH (XDATALEN)
+  ENDIF
+                CLR     A
+XDATALOOP:      MOVX    @DPTR,A
+                INC     DPTR
+                DJNZ    R7,XDATALOOP
+                DJNZ    R6,XDATALOOP
+ENDIF
+
+IF PPAGEENABLE <> 0
+                MOV     PPAGE_SFR,#PPAGE
+ENDIF
+
+IF PDATALEN <> 0
+                MOV     R0,#LOW (PDATASTART)
+                MOV     R7,#LOW (PDATALEN)
+                CLR     A
+PDATALOOP:      MOVX    @R0,A
+                INC     R0
+                DJNZ    R7,PDATALOOP
+ENDIF
+
+IF IBPSTACK <> 0
+EXTRN DATA (?C_IBP)
+
+                MOV     ?C_IBP,#LOW IBPSTACKTOP
+ENDIF
+
+IF XBPSTACK <> 0
+EXTRN DATA (?C_XBP)
+
+                MOV     ?C_XBP,#HIGH XBPSTACKTOP
+                MOV     ?C_XBP+1,#LOW XBPSTACKTOP
+ENDIF
+
+IF PBPSTACK <> 0
+EXTRN DATA (?C_PBP)
+                MOV     ?C_PBP,#LOW PBPSTACKTOP
+ENDIF
+
+                MOV     SP,#?STACK-1
+
+; This code is required if you use L51_BANK.A51 with Banking Mode 4
+;<h> Code Banking
+; <q> Select Bank 0 for L51_BANK.A51 Mode 4
+#if 0   
+;     <i> Initialize bank mechanism to code bank 0 when using L51_BANK.A51 with Banking Mode 4.
+EXTRN CODE (?B_SWITCH0)
+                CALL    ?B_SWITCH0      ; init bank mechanism to code bank 0
+#endif
+;</h>
+                LJMP    ?C_START
+
+                END

51/液晶显示/广告牌电路设计.pdsprj.DESKTOP-GJRI7TD.GDKM.workspace

@@ -0,0 +1,106 @@
+<?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+<WORKSPACE>
+ <FRAME activewindow="0">
+  <PLACEMENT>2c0000000200000003000000ffffffffffffffffffffffffffffffff460000008a0000007006000080040000</PLACEMENT>
+  <WINDOW type="default" module="ISIS">
+   <editor metric="0" gridmajor="2540000" mode="00000000" zoom="0" scale="126" flipped="0" gridminor="254000" gridmode="32" snapidx="2" snap="254000" xcursor="0" orgmode="0" snaprange="127000">
+    <world y1="-8890000" x1="-12700000" y2="8890000" x2="12700000"/>
+    <centre x="0" y="0"/>
+    <origin x="0" y="0"/>
+   </editor>
+  </WINDOW>
+  <WINDOW type="device" module="LIBMAN"/>
+ </FRAME>
+ <MODULE name="ARES">
+  <editor metric="0" gridmajor="0" mode="00000000" zoom="10" scale="10" flipped="0" gridminor="0" gridmode="32" snapidx="3" snap="0" xcursor="0" orgmode="0" snaprange="0">
+   <world y1="-12700000" x1="-15240000" y2="12700000" x2="15240000"/>
+   <centre x="0" y="0"/>
+   <origin x="0" y="0"/>
+  </editor>
+ </MODULE>
+ <MODULE name="ISIS">
+  <editor metric="0" gridmajor="2540000" mode="00000000" zoom="0" scale="126" flipped="0" gridminor="254000" gridmode="32" snapidx="2" snap="254000" xcursor="0" orgmode="0" snaprange="127000">
+   <world y1="-8890000" x1="-12700000" y2="8890000" x2="12700000"/>
+   <centre x="0" y="0"/>
+   <origin x="0" y="0"/>
+  </editor>
+ </MODULE>
+ <MODULE name="VSMDEBUG">
+  <PWI>
+   <POPUP w="800" x="38" flags="00000002" y="129" h="200" pid="0" iid="-1">
+    <PROPERTIES>
+     <ITEM name="Message Column Width">-22</ITEM>
+     <ITEM name="ShowGrid">No</ITEM>
+     <ITEM name="Source Column Width">100</ITEM>
+     <ITEM name="Time Column Width">120</ITEM>
+     <ITEM name="Version">100</ITEM>
+    </PROPERTIES>
+   </POPUP>
+   <POPUP w="350" x="58" flags="00000032" y="149" h="200" pid="1" iid="-1">
+    <PROPERTIES>
+     <ITEM name="Address Column Width">100</ITEM>
+     <ITEM name="AutoResize">No</ITEM>
+     <ITEM name="Gridlines">Yes</ITEM>
+     <ITEM name="Name Column Width">100</ITEM>
+     <ITEM name="Previous Value Column Width">100</ITEM>
+     <ITEM name="ShowAddresses">Yes</ITEM>
+     <ITEM name="ShowPreviousValues">Yes</ITEM>
+     <ITEM name="ShowTypes">Yes</ITEM>
+     <ITEM name="ShowWatchPoint">Yes</ITEM>
+     <ITEM name="TriggerMode">0</ITEM>
+     <ITEM name="Type Column Width">100</ITEM>
+     <ITEM name="Value Column Width">100</ITEM>
+     <ITEM name="Version">100</ITEM>
+     <ITEM name="Watch Expression Column Width">100</ITEM>
+     <ITEM name="nItems">0</ITEM>
+    </PROPERTIES>
+   </POPUP>
+   <POPUP w="24" x="78" flags="00000008" y="169" h="17" pid="1" iid="1">
+    <PROPERTIES/>
+   </POPUP>
+   <POPUP w="8" x="98" flags="0000000a" y="189" h="16" pid="3" iid="1">
+    <PROPERTIES>
+     <ITEM name="DataType">2</ITEM>
+     <ITEM name="DispChars">Yes</ITEM>
+     <ITEM name="DispFormat">2</ITEM>
+     <ITEM name="ShowChanges">Yes</ITEM>
+     <ITEM name="ShowToolTips">Yes</ITEM>
+     <ITEM name="TopLineAddress">00000000</ITEM>
+    </PROPERTIES>
+   </POPUP>
+   <POPUP w="8" x="118" flags="0000000a" y="209" h="16" pid="2" iid="1">
+    <PROPERTIES>
+     <ITEM name="DataType">2</ITEM>
+     <ITEM name="DispChars">Yes</ITEM>
+     <ITEM name="DispFormat">2</ITEM>
+     <ITEM name="ShowChanges">Yes</ITEM>
+     <ITEM name="ShowToolTips">Yes</ITEM>
+     <ITEM name="TopLineAddress">00000080</ITEM>
+    </PROPERTIES>
+   </POPUP>
+   <POPUP w="600" x="38" flags="0000000b" y="129" h="400" pid="1000" iid="1">
+    <PROPERTIES/>
+   </POPUP>
+   <POPUP w="300" x="58" flags="0000000b" y="149" h="300" pid="1001" iid="1">
+    <PROPERTIES>
+     <ITEM name="Address Column Width">100</ITEM>
+     <ITEM name="AutoResize">No</ITEM>
+     <ITEM name="Gridlines">Yes</ITEM>
+     <ITEM name="Name Column Width">100</ITEM>
+     <ITEM name="Previous Value Column Width">100</ITEM>
+     <ITEM name="ShowAddresses">Yes</ITEM>
+     <ITEM name="ShowGlobals">Yes</ITEM>
+     <ITEM name="ShowPreviousValues">Yes</ITEM>
+     <ITEM name="ShowTypes">Yes</ITEM>
+     <ITEM name="ShowWatchPoint">No</ITEM>
+     <ITEM name="TriggerMode">0</ITEM>
+     <ITEM name="Type Column Width">100</ITEM>
+     <ITEM name="Value Column Width">100</ITEM>
+     <ITEM name="Version">100</ITEM>
+     <ITEM name="Watch Expression Column Width">0</ITEM>
+     <ITEM name="nItems">0</ITEM>
+    </PROPERTIES>
+   </POPUP>
+  </PWI>
+ </MODULE>
+</WORKSPACE>

51/液晶显示/液晶.c

@@ -0,0 +1,116 @@
+#include<reg51.h>
+#include<intrins.h>
+sbit RS=P3^0;
+sbit RW=P3^1;                    
+sbit E= P3^2;                    
+void lcd_w_cmd(unsigned char com);
+void lcd_w_dat(unsigned char dat);  
+unsigned char lcd_r_start();      
+void lcd_init();              
+void delay100us(unsigned char t);    
+void delay5us(unsigned char n);    
+void main()              
+{
+unsigned char Disp[]="Hello Everyone";
+unsigned char i;
+P1=0xff;                          
+lcd_init();                      
+delay100us(255);
+lcd_w_cmd(0x82);                  
+delay100us(255);
+for(i=0;i<14;i++)                  
+{                  
+lcd_w_dat(Disp[i]);
+delay100us(200);
+}
+while(1);                      
+}
+
+void delay100us(unsigned char t)    
+{
+unsigned char j,i;
+for(i=0;i<t;i++)
+for(j=0;j<10;j++);
+}
+
+void delay5us(unsigned char n)
+{   do
+{
+_nop_();
+_nop_();
+_nop_();
+n--;
+}
+while(n);
+}
+
+void lcd_init()          
+{
+lcd_w_cmd(0x3c);
+lcd_w_cmd(0x0c);	
+lcd_w_cmd(0x01);              
+lcd_w_cmd(0x06);            
+lcd_w_cmd(0x80);              
+}
+
+unsigned char lcd_r_start()        
+{
+unsigned char s;
+RW=1;              
+delay5us(1);
+RS=0;
+delay5us(1);
+E=1;            
+delay5us(1);
+s=P1;            
+delay5us(1);
+E=0;
+delay5us(1);
+RW=0;
+delay5us(1);
+return(s);        
+}
+
+void lcd_w_cmd(unsigned char com)  
+{
+unsigned char i;
+do{                    
+i=lcd_r_start();    
+i=i&0x80;                
+delay100us(2);
+}while(i!=0);            
+RW=0;
+delay5us(1);
+RS=0;            
+delay5us(1);
+E=1;            
+delay5us(1);
+P1=com;          
+delay5us(1);
+E=0;
+delay5us(1);
+RW=1;
+delay100us(255);
+}
+
+void lcd_w_dat(unsigned char dat)  
+{
+unsigned char i;
+do{                  
+i=lcd_r_start();    
+i=i&0x80;                  
+delay100us(2);          
+}while(i!=0);                
+RW=0;
+delay5us(1);
+RS=1;            
+delay5us(1);
+E=1;          
+delay5us(1);
+P1=dat;          
+delay5us(1);
+E=0;
+delay5us(1);
+RW=1;
+delay100us(255);
+}

51/液晶显示/液晶显示.uvopt

@@ -0,0 +1,165 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_opt.xsd">
+
+  <SchemaVersion>1.0</SchemaVersion>
+
+  <Header>### uVision Project, (C) Keil Software</Header>
+
+  <Extensions>
+    <cExt>*.c</cExt>
+    <aExt>*.s*; *.src; *.a*</aExt>
+    <oExt>*.obj; *.o</oExt>
+    <lExt>*.lib</lExt>
+    <tExt>*.txt; *.h; *.inc; *.md</tExt>
+    <pExt>*.plm</pExt>
+    <CppX>*.cpp; *.cc; *.cxx</CppX>
+    <nMigrate>0</nMigrate>
+  </Extensions>
+
+  <DaveTm>
+    <dwLowDateTime>0</dwLowDateTime>
+    <dwHighDateTime>0</dwHighDateTime>
+  </DaveTm>
+
+  <Target>
+    <TargetName>Target 1</TargetName>
+    <ToolsetNumber>0x0</ToolsetNumber>
+    <ToolsetName>MCS-51</ToolsetName>
+    <TargetOption>
+      <CLK51>45000000</CLK51>
+      <OPTTT>
+        <gFlags>1</gFlags>
+        <BeepAtEnd>1</BeepAtEnd>
+        <RunSim>1</RunSim>
+        <RunTarget>0</RunTarget>
+        <RunAbUc>0</RunAbUc>
+      </OPTTT>
+      <OPTHX>
+        <HexSelection>0</HexSelection>
+        <FlashByte>65535</FlashByte>
+        <HexRangeLowAddress>0</HexRangeLowAddress>
+        <HexRangeHighAddress>0</HexRangeHighAddress>
+        <HexOffset>0</HexOffset>
+      </OPTHX>
+      <OPTLEX>
+        <PageWidth>120</PageWidth>
+        <PageLength>65</PageLength>
+        <TabStop>8</TabStop>
+        <ListingPath>.\Listings\</ListingPath>
+      </OPTLEX>
+      <ListingPage>
+        <CreateCListing>1</CreateCListing>
+        <CreateAListing>1</CreateAListing>
+        <CreateLListing>1</CreateLListing>
+        <CreateIListing>0</CreateIListing>
+        <AsmCond>1</AsmCond>
+        <AsmSymb>1</AsmSymb>
+        <AsmXref>0</AsmXref>
+        <CCond>1</CCond>
+        <CCode>0</CCode>
+        <CListInc>0</CListInc>
+        <CSymb>0</CSymb>
+        <LinkerCodeListing>0</LinkerCodeListing>
+      </ListingPage>
+      <OPTXL>
+        <LMap>1</LMap>
+        <LComments>1</LComments>
+        <LGenerateSymbols>1</LGenerateSymbols>
+        <LLibSym>1</LLibSym>
+        <LLines>1</LLines>
+        <LLocSym>1</LLocSym>
+        <LPubSym>1</LPubSym>
+        <LXref>0</LXref>
+        <LExpSel>0</LExpSel>
+      </OPTXL>
+      <OPTFL>
+        <tvExp>1</tvExp>
+        <tvExpOptDlg>0</tvExpOptDlg>
+        <IsCurrentTarget>1</IsCurrentTarget>
+      </OPTFL>
+      <CpuCode>255</CpuCode>
+      <DebugOpt>
+        <uSim>1</uSim>
+        <uTrg>0</uTrg>
+        <sLdApp>1</sLdApp>
+        <sGomain>1</sGomain>
+        <sRbreak>1</sRbreak>
+        <sRwatch>1</sRwatch>
+        <sRmem>1</sRmem>
+        <sRfunc>1</sRfunc>
+        <sRbox>1</sRbox>
+        <tLdApp>1</tLdApp>
+        <tGomain>0</tGomain>
+        <tRbreak>1</tRbreak>
+        <tRwatch>1</tRwatch>
+        <tRmem>1</tRmem>
+        <tRfunc>0</tRfunc>
+        <tRbox>1</tRbox>
+        <tRtrace>1</tRtrace>
+        <sRSysVw>1</sRSysVw>
+        <tRSysVw>1</tRSysVw>
+        <sRunDeb>0</sRunDeb>
+        <sLrtime>0</sLrtime>
+        <bEvRecOn>1</bEvRecOn>
+        <bSchkAxf>0</bSchkAxf>
+        <bTchkAxf>0</bTchkAxf>
+        <nTsel>-1</nTsel>
+        <sDll></sDll>
+        <sDllPa></sDllPa>
+        <sDlgDll></sDlgDll>
+        <sDlgPa></sDlgPa>
+        <sIfile></sIfile>
+        <tDll></tDll>
+        <tDllPa></tDllPa>
+        <tDlgDll></tDlgDll>
+        <tDlgPa></tDlgPa>
+        <tIfile></tIfile>
+        <pMon></pMon>
+      </DebugOpt>
+      <Breakpoint/>
+      <Tracepoint>
+        <THDelay>0</THDelay>
+      </Tracepoint>
+      <DebugFlag>
+        <trace>0</trace>
+        <periodic>1</periodic>
+        <aLwin>0</aLwin>
+        <aCover>0</aCover>
+        <aSer1>0</aSer1>
+        <aSer2>0</aSer2>
+        <aPa>0</aPa>
+        <viewmode>0</viewmode>
+        <vrSel>0</vrSel>
+        <aSym>0</aSym>
+        <aTbox>0</aTbox>
+        <AscS1>0</AscS1>
+        <AscS2>0</AscS2>
+        <AscS3>0</AscS3>
+        <aSer3>0</aSer3>
+        <eProf>0</eProf>
+        <aLa>0</aLa>
+        <aPa1>0</aPa1>
+        <AscS4>0</AscS4>
+        <aSer4>0</aSer4>
+        <StkLoc>0</StkLoc>
+        <TrcWin>0</TrcWin>
+        <newCpu>0</newCpu>
+        <uProt>0</uProt>
+      </DebugFlag>
+      <LintExecutable></LintExecutable>
+      <LintConfigFile></LintConfigFile>
+      <bLintAuto>0</bLintAuto>
+      <bAutoGenD>0</bAutoGenD>
+      <LntExFlags>0</LntExFlags>
+      <pMisraName></pMisraName>
+      <pszMrule></pszMrule>
+      <pSingCmds></pSingCmds>
+      <pMultCmds></pMultCmds>
+      <pMisraNamep></pMisraNamep>
+      <pszMrulep></pszMrulep>
+      <pSingCmdsp></pSingCmdsp>
+      <pMultCmdsp></pMultCmdsp>
+    </TargetOption>
+  </Target>
+
+</ProjectOpt>

51/液晶显示/液晶显示.uvproj

@@ -0,0 +1,378 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<Project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_proj.xsd">
+
+  <SchemaVersion>1.1</SchemaVersion>
+
+  <Header>### uVision Project, (C) Keil Software</Header>
+
+  <Targets>
+    <Target>
+      <TargetName>Target 1</TargetName>
+      <ToolsetNumber>0x0</ToolsetNumber>
+      <ToolsetName>MCS-51</ToolsetName>
+      <uAC6>0</uAC6>
+      <TargetOption>
+        <TargetCommonOption>
+          <Device>STC89C52RC Series</Device>
+          <Vendor>STC</Vendor>
+          <Cpu>IRAM(0-0xFF) XRAM(0-0xFF) IROM(0-0x1FFF) CLOCK(45000000) MODP2</Cpu>
+          <FlashUtilSpec></FlashUtilSpec>
+          <StartupFile>"LIB\STARTUP.A51" ("Standard 8051 Startup Code")</StartupFile>
+          <FlashDriverDll></FlashDriverDll>
+          <DeviceId>61442</DeviceId>
+          <RegisterFile>STC89C5xRC.H</RegisterFile>
+          <MemoryEnv></MemoryEnv>
+          <Cmp></Cmp>
+          <Asm></Asm>
+          <Linker></Linker>
+          <OHString></OHString>
+          <InfinionOptionDll></InfinionOptionDll>
+          <SLE66CMisc></SLE66CMisc>
+          <SLE66AMisc></SLE66AMisc>
+          <SLE66LinkerMisc></SLE66LinkerMisc>
+          <SFDFile></SFDFile>
+          <bCustSvd>0</bCustSvd>
+          <UseEnv>0</UseEnv>
+          <BinPath></BinPath>
+          <IncludePath></IncludePath>
+          <LibPath></LibPath>
+          <RegisterFilePath>STC\</RegisterFilePath>
+          <DBRegisterFilePath>STC\</DBRegisterFilePath>
+          <TargetStatus>
+            <Error>0</Error>
+            <ExitCodeStop>0</ExitCodeStop>
+            <ButtonStop>0</ButtonStop>
+            <NotGenerated>0</NotGenerated>
+            <InvalidFlash>1</InvalidFlash>
+          </TargetStatus>
+          <OutputDirectory>.\Objects\</OutputDirectory>
+          <OutputName>液晶显示</OutputName>
+          <CreateExecutable>1</CreateExecutable>
+          <CreateLib>0</CreateLib>
+          <CreateHexFile>1</CreateHexFile>
+          <DebugInformation>1</DebugInformation>
+          <BrowseInformation>1</BrowseInformation>
+          <ListingPath>.\Listings\</ListingPath>
+          <HexFormatSelection>0</HexFormatSelection>
+          <Merge32K>0</Merge32K>
+          <CreateBatchFile>0</CreateBatchFile>
+          <BeforeCompile>
+            <RunUserProg1>0</RunUserProg1>
+            <RunUserProg2>0</RunUserProg2>
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
+            <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
+            <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
+            <nStopU1X>0</nStopU1X>
+            <nStopU2X>0</nStopU2X>
+          </BeforeCompile>
+          <BeforeMake>
+            <RunUserProg1>0</RunUserProg1>
+            <RunUserProg2>0</RunUserProg2>
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
+            <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
+            <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
+            <nStopB1X>0</nStopB1X>
+            <nStopB2X>0</nStopB2X>
+          </BeforeMake>
+          <AfterMake>
+            <RunUserProg1>0</RunUserProg1>
+            <RunUserProg2>0</RunUserProg2>
+            <UserProg1Name></UserProg1Name>
+            <UserProg2Name></UserProg2Name>
+            <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
+            <UserProg2Dos16Mode>0</UserProg2Dos16Mode>
+            <nStopA1X>0</nStopA1X>
+            <nStopA2X>0</nStopA2X>
+          </AfterMake>
+          <SelectedForBatchBuild>0</SelectedForBatchBuild>
+          <SVCSIdString></SVCSIdString>
+        </TargetCommonOption>
+        <CommonProperty>
+          <UseCPPCompiler>0</UseCPPCompiler>
+          <RVCTCodeConst>0</RVCTCodeConst>
+          <RVCTZI>0</RVCTZI>
+          <RVCTOtherData>0</RVCTOtherData>
+          <ModuleSelection>0</ModuleSelection>
+          <IncludeInBuild>1</IncludeInBuild>
+          <AlwaysBuild>0</AlwaysBuild>
+          <GenerateAssemblyFile>0</GenerateAssemblyFile>
+          <AssembleAssemblyFile>0</AssembleAssemblyFile>
+          <PublicsOnly>0</PublicsOnly>
+          <StopOnExitCode>3</StopOnExitCode>
+          <CustomArgument></CustomArgument>
+          <IncludeLibraryModules></IncludeLibraryModules>
+          <ComprImg>1</ComprImg>
+          <BankNo>65535</BankNo>
+        </CommonProperty>
+        <DllOption>
+          <SimDllName>S8051.DLL</SimDllName>
+          <SimDllArguments></SimDllArguments>
+          <SimDlgDll>DP51.DLL</SimDlgDll>
+          <SimDlgDllArguments>-p51</SimDlgDllArguments>
+          <TargetDllName>S8051.DLL</TargetDllName>
+          <TargetDllArguments></TargetDllArguments>
+          <TargetDlgDll>TP51.DLL</TargetDlgDll>
+          <TargetDlgDllArguments>-p51</TargetDlgDllArguments>
+        </DllOption>
+        <DebugOption>
+          <OPTHX>
+            <HexSelection>0</HexSelection>
+            <HexRangeLowAddress>0</HexRangeLowAddress>
+            <HexRangeHighAddress>0</HexRangeHighAddress>
+            <HexOffset>0</HexOffset>
+            <Oh166RecLen>16</Oh166RecLen>
+          </OPTHX>
+          <Simulator>
+            <UseSimulator>1</UseSimulator>
+            <LoadApplicationAtStartup>1</LoadApplicationAtStartup>
+            <RunToMain>1</RunToMain>
+            <RestoreBreakpoints>1</RestoreBreakpoints>
+            <RestoreWatchpoints>1</RestoreWatchpoints>
+            <RestoreMemoryDisplay>1</RestoreMemoryDisplay>
+            <RestoreFunctions>1</RestoreFunctions>
+            <RestoreToolbox>1</RestoreToolbox>
+            <LimitSpeedToRealTime>0</LimitSpeedToRealTime>
+            <RestoreSysVw>1</RestoreSysVw>
+          </Simulator>
+          <Target>
+            <UseTarget>0</UseTarget>
+            <LoadApplicationAtStartup>1</LoadApplicationAtStartup>
+            <RunToMain>0</RunToMain>
+            <RestoreBreakpoints>1</RestoreBreakpoints>
+            <RestoreWatchpoints>1</RestoreWatchpoints>
+            <RestoreMemoryDisplay>1</RestoreMemoryDisplay>
+            <RestoreFunctions>0</RestoreFunctions>
+            <RestoreToolbox>1</RestoreToolbox>
+            <RestoreTracepoints>1</RestoreTracepoints>
+            <RestoreSysVw>1</RestoreSysVw>
+          </Target>
+          <RunDebugAfterBuild>0</RunDebugAfterBuild>
+          <TargetSelection>-1</TargetSelection>
+          <SimDlls>
+            <CpuDll></CpuDll>
+            <CpuDllArguments></CpuDllArguments>
+            <PeripheralDll></PeripheralDll>
+            <PeripheralDllArguments></PeripheralDllArguments>
+            <InitializationFile></InitializationFile>
+          </SimDlls>
+          <TargetDlls>
+            <CpuDll></CpuDll>
+            <CpuDllArguments></CpuDllArguments>
+            <PeripheralDll></PeripheralDll>
+            <PeripheralDllArguments></PeripheralDllArguments>
+            <InitializationFile></InitializationFile>
+            <Driver></Driver>
+          </TargetDlls>
+        </DebugOption>
+        <Utilities>
+          <Flash1>
+            <UseTargetDll>0</UseTargetDll>
+            <UseExternalTool>0</UseExternalTool>
+            <RunIndependent>0</RunIndependent>
+            <UpdateFlashBeforeDebugging>0</UpdateFlashBeforeDebugging>
+            <Capability>0</Capability>
+            <DriverSelection>-1</DriverSelection>
+          </Flash1>
+          <bUseTDR>0</bUseTDR>
+          <Flash2></Flash2>
+          <Flash3>"" ()</Flash3>
+          <Flash4></Flash4>
+          <pFcarmOut></pFcarmOut>
+          <pFcarmGrp></pFcarmGrp>
+          <pFcArmRoot></pFcArmRoot>
+          <FcArmLst>0</FcArmLst>
+        </Utilities>
+        <Target51>
+          <Target51Misc>
+            <MemoryModel>0</MemoryModel>
+            <RTOS>0</RTOS>
+            <RomSize>2</RomSize>
+            <DataHold>0</DataHold>
+            <XDataHold>0</XDataHold>
+            <UseOnchipRom>0</UseOnchipRom>
+            <UseOnchipArithmetic>0</UseOnchipArithmetic>
+            <UseMultipleDPTR>0</UseMultipleDPTR>
+            <UseOnchipXram>0</UseOnchipXram>
+            <HadIRAM>1</HadIRAM>
+            <HadXRAM>1</HadXRAM>
+            <HadIROM>1</HadIROM>
+            <Moda2>0</Moda2>
+            <Moddp2>0</Moddp2>
+            <Modp2>1</Modp2>
+            <Mod517dp>0</Mod517dp>
+            <Mod517au>0</Mod517au>
+            <Mode2>0</Mode2>
+            <useCB>0</useCB>
+            <useXB>0</useXB>
+            <useL251>0</useL251>
+            <useA251>0</useA251>
+            <Mx51>0</Mx51>
+            <ModC812>0</ModC812>
+            <ModCont>0</ModCont>
+            <Lp51>0</Lp51>
+            <useXBS>0</useXBS>
+            <ModDA>0</ModDA>
+            <ModAB2>0</ModAB2>
+            <Mx51P>0</Mx51P>
+            <hadXRAM2>0</hadXRAM2>
+            <uocXram2>0</uocXram2>
+            <hadXRAM3>0</hadXRAM3>
+            <ModC2>0</ModC2>
+            <ModH2>0</ModH2>
+            <Mdu_R515>0</Mdu_R515>
+            <Mdu_F120>0</Mdu_F120>
+            <Psoc>0</Psoc>
+            <hadIROM2>0</hadIROM2>
+            <hadIROM3>0</hadIROM3>
+            <ModSmx2>0</ModSmx2>
+            <cBanks>0</cBanks>
+            <xBanks>0</xBanks>
+            <OnChipMemories>
+              <RCB>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </RCB>
+              <RXB>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </RXB>
+              <Ocm1>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm1>
+              <Ocm2>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm2>
+              <Ocm3>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocm3>
+              <Ocr1>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocr1>
+              <Ocr2>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocr2>
+              <Ocr3>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </Ocr3>
+              <IRO>
+                <Type>1</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x2000</Size>
+              </IRO>
+              <IRA>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x100</Size>
+              </IRA>
+              <XRA>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x100</Size>
+              </XRA>
+              <XRA512>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </XRA512>
+              <IROM512>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </IROM512>
+              <XRA513>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </XRA513>
+              <IROM513>
+                <Type>0</Type>
+                <StartAddress>0x0</StartAddress>
+                <Size>0x0</Size>
+              </IROM513>
+            </OnChipMemories>
+          </Target51Misc>
+          <C51>
+            <RegisterColoring>0</RegisterColoring>
+            <VariablesInOrder>0</VariablesInOrder>
+            <IntegerPromotion>1</IntegerPromotion>
+            <uAregs>0</uAregs>
+            <UseInterruptVector>1</UseInterruptVector>
+            <Fuzzy>3</Fuzzy>
+            <Optimize>8</Optimize>
+            <WarningLevel>2</WarningLevel>
+            <SizeSpeed>1</SizeSpeed>
+            <ObjectExtend>1</ObjectExtend>
+            <ACallAJmp>0</ACallAJmp>
+            <InterruptVectorAddress>0</InterruptVectorAddress>
+            <VariousControls>
+              <MiscControls></MiscControls>
+              <Define></Define>
+              <Undefine></Undefine>
+              <IncludePath></IncludePath>
+            </VariousControls>
+          </C51>
+          <Ax51>
+            <UseMpl>0</UseMpl>
+            <UseStandard>1</UseStandard>
+            <UseCase>0</UseCase>
+            <UseMod51>0</UseMod51>
+            <VariousControls>
+              <MiscControls></MiscControls>
+              <Define></Define>
+              <Undefine></Undefine>
+              <IncludePath></IncludePath>
+            </VariousControls>
+          </Ax51>
+          <Lx51>
+            <useFile>0</useFile>
+            <linkonly>0</linkonly>
+            <UseMemoryFromTarget>1</UseMemoryFromTarget>
+            <CaseSensitiveSymbols>0</CaseSensitiveSymbols>
+            <WarningLevel>2</WarningLevel>
+            <DataOverlaying>1</DataOverlaying>
+            <OverlayString></OverlayString>
+            <MiscControls></MiscControls>
+            <DisableWarningNumbers></DisableWarningNumbers>
+            <LinkerCmdFile></LinkerCmdFile>
+            <Assign></Assign>
+            <ReserveString></ReserveString>
+            <CClasses></CClasses>
+            <UserClasses></UserClasses>
+            <CSection></CSection>
+            <UserSection></UserSection>
+            <CodeBaseAddress></CodeBaseAddress>
+            <XDataBaseAddress></XDataBaseAddress>
+            <PDataBaseAddress></PDataBaseAddress>
+            <BitBaseAddress></BitBaseAddress>
+            <DataBaseAddress></DataBaseAddress>
+            <IDataBaseAddress></IDataBaseAddress>
+            <Precede></Precede>
+            <Stack></Stack>
+            <CodeSegmentName></CodeSegmentName>
+            <XDataSegmentName></XDataSegmentName>
+            <BitSegmentName></BitSegmentName>
+            <DataSegmentName></DataSegmentName>
+            <IDataSegmentName></IDataSegmentName>
+          </Lx51>
+        </Target51>
+      </TargetOption>
+    </Target>
+  </Targets>
+
+</Project>