📄 12864字库.lst
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C51 COMPILER V8.02 12864字库 08/10/2007 02:44:31 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE 12864字库
OBJECT MODULE PLACED IN 12864字库.OBJ
COMPILER INVOKED BY: D:\e\Keil\C51\BIN\C51.EXE 12864字库.c BROWSE DEBUG OBJECTEXTEND
line level source
1 /*============================================================
2 使用12864液晶显示和PS/2键盘的示例 杨川 2007/7/25
3 -------------------------------------------------
4 //==============================================================
5
6 SMC1602A(16*2)模拟口线接线方式
7 连接线图:
8 ---------------------------------------------------
9 |LCM-----51 | LCM-----51 | LCM------51 |
10 --------------------------------------------------|
11 |DB0-----P1.0 | DB4-----P1.4 | RW-------P2.1 |
12 |DB1-----P1.1 | DB5-----P1.5 | RS-------P2.0 |
13 |DB2-----P1.2 | DB6-----P1.6 | E--------P2.2 |
14 |DB3-----P1.3 | DB7-----P1.7 | VLCD接1K电阻到GND|
15 ---------------------------------------------------
16
17 Keyboard接线
18 PS/2--------51
19 1 DATA------P3.4
20 3 GND
21 4 VCC
22 5 CLK-------P3.3 接在51的外部中断，触发方式为低电平
23
24 本程序源码只供学习参考，不得应用于商业用途，如有需要请联系作者。
25
26 [注:AT89x51使用12M或11.0592M晶振,实测使用11.0592M]
27 [Keil uV2 7.01编译运行通过 程序中没有做键盘数据的奇偶校验]
28
29 =============================================================*/
30 /*修改 于2007/7/31 13:33
31 利用键盘输入，实现12864显示功能和利用微型打印机实现实时打印功能
32 keyboard接线
33 打印pdata---------P0
34 busy---------P3.0
35 STB ---------P3.1
36 =============================================================*/
37 //===================================================================================//
38
39 //=======本程序带字库的12864显示程序，使用前须将IO口定义，将程序初始化lcdInit ();====//
40 //清屏程序为lcdClear();
41 //调用显示汉字的程序为dispString (uchar X, Y, unsigned int speed, uchar *msg);======//
42
43 //===================================================================================//
44
45 #include<regx51.h>
46 //#include <intrins.h>
47 //#include <string.h>
48 #include "scancodes.h"
49
50 #define uchar unsigned char
51 #define BUSY_FLAG P0_7 //液晶模块忙标志
52 //#define MPU_RESET P2_1 //液晶复位控制
53 #define MPU_RS_CH P2_0 //寄存器选择输入
54 #define MPU_RW_CH P2_1 //读写控制
55 #define MPU_ENABLE P2_2 //使能控制
C51 COMPILER V8.02 12864字库 08/10/2007 02:44:31 PAGE 2
56 #define LCD_DATA P0 //液晶数据口
57 #define uchar unsigned char
58 #define Key_Data P3_4 //定义Keyboard引脚
59 #define Key_CLK P3_3
60 #define Printdata P1
61 #define Printbusy P3_0
62 #define Printstb P3_1
63 extern void _nop_ (void);
64 #include<print.c>
65 void chaxun(char x);
66 void pr1616(void);
67 void lf(void);
68 void fangda(char n);
69 void xiahuaxian(char n);
70 void fanbai(char n);
71 void init(void);
72 void pr(char j,char x);
*** WARNING C235 IN LINE 72 OF 12864字库.C: parameter 2: different types
73 void lcdWriteCommand (uchar Command);
74 void lcdWriteData (uchar Data);
75 void delayMs (unsigned int ms);
76 void checkLcdBusy (void);
77 void DisplayOneChar(unsigned char X, unsigned char Y, unsigned int,unsigned char ddata1);
78 void DisplayListChar(uchar X, uchar Y,unsigned int, uchar *DData);
79 void backspace(void);
80 void Delay5Ms(void);
81 void Delay400Ms(void);
82 void Decode(unsigned char ScanCode);
83 //void chaxun(char x);
84 char prindata[30]={' '};
85 char prnum=0;
86 unsigned char code Cls[] = {" "};
87 static unsigned char IntNum = 0; //中断次数计数
88 static unsigned char KeyV; //键值
89 static unsigned char DisNum = 0; //显示用指针
90 static unsigned char Key_UP=0, Shift = 0;//Key_UP是键松开标识，Shift是Shift键按下标识
91 static unsigned char BF = 0; //标识是否有字符被收到
92 char flag=1;//用于标志是否打印
93
94
95
96
97
98 //===============================================
99 void lcdWriteCommand (uchar Command)
100 {
101 1 checkLcdBusy();
102 1 delayMs (2);
103 1 MPU_RS_CH = 0;
104 1 MPU_RW_CH = 0;
105 1 LCD_DATA = Command;
106 1 MPU_ENABLE = 1;
107 1 delayMs(1);
108 1 MPU_ENABLE = 0;
109 1 }
110 //========延时====================================
111 void delayMs (unsigned int ms)
112 {
113 1 uchar i;
114 1 while (--ms)
115 1 {
116 2 for (i = 0; i < 125; i++);
C51 COMPILER V8.02 12864字库 08/10/2007 02:44:31 PAGE 3
117 2 }
118 1 }
119 //===============================================
120 void checkLcdBusy (void)
121 { char i=1;
122 1 while(i--);
123 1 }
124 //===============================================
125 void lcdWriteData (uchar Data)
126 {
127 1 checkLcdBusy();
128 1 delayMs (2);
129 1 MPU_RS_CH = 1;
130 1 MPU_RW_CH = 0;
131 1 LCD_DATA = Data;
132 1 MPU_ENABLE = 1;
133 1 delayMs(1);
134 1 MPU_ENABLE = 0;
135 1 }
136
137 //===============================================
138 void DisplayListChar(uchar X,uchar Y, unsigned int speed, uchar *msg)
139 {
140 1 if (X ==0x00)
141 1 {
142 2 X = 0x80;
143 2 }
144 1 else if (X == 0x01)
145 1 {
146 2 X = 0x90;
147 2 }
148 1 else if (X == 0x02)
149 1 {
150 2 X = 0x88;
151 2 }
152 1 else if (X == 0x03)
153 1 {
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