📄 ps2key.lst
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C51 COMPILER V7.08 PS2KEY 04/08/2006 16:38:20 PAGE 1
C51 COMPILER V7.08, COMPILATION OF MODULE PS2KEY
OBJECT MODULE PLACED IN PS2Key.OBJ
COMPILER INVOKED BY: E:\电子应用软件\keil7\C51\BIN\C51.EXE PS2Key.c BROWSE DEBUG OBJECTEXTEND LISTINCLUDE
line level source
1 /*============================================================
2 使用1602液晶显示和PS/2键盘的示例 明浩 2004/2
3 -------------------------------------------------
4 http://www.cdle.net http://bbs.cdle.net
5 ==============================================================
6
7 SMC1602A(16*2)模拟口线接线方式
8 连接线图:
9 ---------------------------------------------------
10 |LCM-----51 | LCM-----51 | LCM------51 |
11 --------------------------------------------------|
12 |DB0-----P1.0 | DB4-----P1.4 | RW-------P2.0 |
13 |DB1-----P1.1 | DB5-----P1.5 | RS-------P2.1 |
14 |DB2-----P1.2 | DB6-----P1.6 | E--------P2.2 |
15 |DB3-----P1.3 | DB7-----P1.7 | VLCD接1K电阻到GND|
16 ---------------------------------------------------
17
18 Keyboard接线
19 PS/2--------51
20 1 DATA------P3.4
21 3 GND
22 4 VCC
23 5 CLK-------P3.3 接在51的外部中断，触发方式为低电平
24
25 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。
26
27 [注:AT89x51使用12M或11.0592M晶振,实测使用11.0592M]
28 [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]
29
30 =============================================================*/
31 #include <at89x51.h>
1 =1 /*--------------------------------------------------------------------------
2 =1 AT89X51.H
3 =1
4 =1 Header file for the low voltage Flash Atmel AT89C51 and AT89LV51.
5 =1 Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
6 =1 All rights reserved.
7 =1 --------------------------------------------------------------------------*/
8 =1
9 =1 #ifndef __AT89X51_H__
10 =1 #define __AT89X51_H__
11 =1
12 =1 /*------------------------------------------------
13 =1 Byte Registers
14 =1 ------------------------------------------------*/
15 =1 sfr P0 = 0x80;
16 =1 sfr SP = 0x81;
17 =1 sfr DPL = 0x82;
18 =1 sfr DPH = 0x83;
19 =1 sfr PCON = 0x87;
20 =1 sfr TCON = 0x88;
21 =1 sfr TMOD = 0x89;
22 =1 sfr TL0 = 0x8A;
23 =1 sfr TL1 = 0x8B;
24 =1 sfr TH0 = 0x8C;
C51 COMPILER V7.08 PS2KEY 04/08/2006 16:38:20 PAGE 2
25 =1 sfr TH1 = 0x8D;
26 =1 sfr P1 = 0x90;
27 =1 sfr SCON = 0x98;
28 =1 sfr SBUF = 0x99;
29 =1 sfr P2 = 0xA0;
30 =1 sfr IE = 0xA8;
31 =1 sfr P3 = 0xB0;
32 =1 sfr IP = 0xB8;
33 =1 sfr PSW = 0xD0;
34 =1 sfr ACC = 0xE0;
35 =1 sfr B = 0xF0;
36 =1
37 =1 /*------------------------------------------------
38 =1 P0 Bit Registers
39 =1 ------------------------------------------------*/
40 =1 sbit P0_0 = 0x80;
41 =1 sbit P0_1 = 0x81;
42 =1 sbit P0_2 = 0x82;
43 =1 sbit P0_3 = 0x83;
44 =1 sbit P0_4 = 0x84;
45 =1 sbit P0_5 = 0x85;
46 =1 sbit P0_6 = 0x86;
47 =1 sbit P0_7 = 0x87;
48 =1
49 =1 /*------------------------------------------------
50 =1 PCON Bit Values
51 =1 ------------------------------------------------*/
52 =1 #define IDL_ 0x01
53 =1
54 =1 #define STOP_ 0x02
55 =1 #define PD_ 0x02 /* Alternate definition */
56 =1
57 =1 #define GF0_ 0x04
58 =1 #define GF1_ 0x08
59 =1
60 =1 #define SMOD_ 0x80
61 =1
62 =1 /*------------------------------------------------
63 =1 TCON Bit Registers
64 =1 ------------------------------------------------*/
65 =1 sbit IT0 = 0x88;
66 =1 sbit IE0 = 0x89;
67 =1 sbit IT1 = 0x8A;
68 =1 sbit IE1 = 0x8B;
69 =1 sbit TR0 = 0x8C;
70 =1 sbit TF0 = 0x8D;
71 =1 sbit TR1 = 0x8E;
72 =1 sbit TF1 = 0x8F;
73 =1
74 =1 /*------------------------------------------------
75 =1 TMOD Bit Values
76 =1 ------------------------------------------------*/
77 =1 #define T0_M0_ 0x01
78 =1 #define T0_M1_ 0x02
79 =1 #define T0_CT_ 0x04
80 =1 #define T0_GATE_ 0x08
81 =1 #define T1_M0_ 0x10
82 =1 #define T1_M1_ 0x20
83 =1 #define T1_CT_ 0x40
84 =1 #define T1_GATE_ 0x80
85 =1
86 =1 #define T1_MASK_ 0xF0
C51 COMPILER V7.08 PS2KEY 04/08/2006 16:38:20 PAGE 3
87 =1 #define T0_MASK_ 0x0F
88 =1
89 =1 /*------------------------------------------------
90 =1 P1 Bit Registers
91 =1 ------------------------------------------------*/
92 =1 sbit P1_0 = 0x90;
93 =1 sbit P1_1 = 0x91;
94 =1 sbit P1_2 = 0x92;
95 =1 sbit P1_3 = 0x93;
96 =1 sbit P1_4 = 0x94;
97 =1 sbit P1_5 = 0x95;
98 =1 sbit P1_6 = 0x96;
99 =1 sbit P1_7 = 0x97;
100 =1
101 =1 /*------------------------------------------------
102 =1 SCON Bit Registers
103 =1 ------------------------------------------------*/
104 =1 sbit RI = 0x98;
105 =1 sbit TI = 0x99;
106 =1 sbit RB8 = 0x9A;
107 =1 sbit TB8 = 0x9B;
108 =1 sbit REN = 0x9C;
109 =1 sbit SM2 = 0x9D;
110 =1 sbit SM1 = 0x9E;
111 =1 sbit SM0 = 0x9F;
112 =1
113 =1 /*------------------------------------------------
114 =1 P2 Bit Registers
115 =1 ------------------------------------------------*/
116 =1 sbit P2_0 = 0xA0;
117 =1 sbit P2_1 = 0xA1;
118 =1 sbit P2_2 = 0xA2;
119 =1 sbit P2_3 = 0xA3;
120 =1 sbit P2_4 = 0xA4;
121 =1 sbit P2_5 = 0xA5;
122 =1 sbit P2_6 = 0xA6;
123 =1 sbit P2_7 = 0xA7;
124 =1
125 =1 /*------------------------------------------------
126 =1 IE Bit Registers
127 =1 ------------------------------------------------*/
128 =1 sbit EX0 = 0xA8; /* 1=Enable External interrupt 0 */
129 =1 sbit ET0 = 0xA9; /* 1=Enable Timer 0 interrupt */
130 =1 sbit EX1 = 0xAA; /* 1=Enable External interrupt 1 */
131 =1 sbit ET1 = 0xAB; /* 1=Enable Timer 1 interrupt */
132 =1 sbit ES = 0xAC; /* 1=Enable Serial port interrupt */
133 =1 sbit ET2 = 0xAD; /* 1=Enable Timer 2 interrupt */
134 =1
135 =1 sbit EA = 0xAF; /* 0=Disable all interrupts */
136 =1
137 =1 /*------------------------------------------------
138 =1 P3 Bit Registers (Mnemonics & Ports)
139 =1 ------------------------------------------------*/
140 =1 sbit P3_0 = 0xB0;
141 =1 sbit P3_1 = 0xB1;
142 =1 sbit P3_2 = 0xB2;
143 =1 sbit P3_3 = 0xB3;
144 =1 sbit P3_4 = 0xB4;
145 =1 sbit P3_5 = 0xB5;
146 =1 sbit P3_6 = 0xB6;
147 =1 sbit P3_7 = 0xB7;
148 =1
C51 COMPILER V7.08 PS2KEY 04/08/2006 16:38:20 PAGE 4
149 =1 sbit RXD = 0xB0; /* Serial data input */
150 =1 sbit TXD = 0xB1; /* Serial data output */
151 =1 sbit INT0 = 0xB2; /* External interrupt 0 */
152 =1 sbit INT1 = 0xB3; /* External interrupt 1 */
153 =1 sbit T0 = 0xB4; /* Timer 0 external input */
154 =1 sbit T1 = 0xB5; /* Timer 1 external input */
155 =1 sbit WR = 0xB6; /* External data memory write strobe */
156 =1 sbit RD = 0xB7; /* External data memory read strobe */
157 =1
158 =1 /*------------------------------------------------
159 =1 IP Bit Registers
160 =1 ------------------------------------------------*/
161 =1 sbit PX0 = 0xB8;
162 =1 sbit PT0 = 0xB9;
163 =1 sbit PX1 = 0xBA;
164 =1 sbit PT1 = 0xBB;
165 =1 sbit PS = 0xBC;
166 =1 sbit PT2 = 0xBD;
167 =1
168 =1 /*------------------------------------------------
169 =1 PSW Bit Registers
170 =1 ------------------------------------------------*/
171 =1 sbit P = 0xD0;
172 =1 sbit FL = 0xD1;
173 =1 sbit OV = 0xD2;
174 =1 sbit RS0 = 0xD3;
175 =1 sbit RS1 = 0xD4;
176 =1 sbit F0 = 0xD5;
177 =1 sbit AC = 0xD6;
178 =1 sbit CY = 0xD7;
179 =1
180 =1 /*------------------------------------------------
181 =1 Interrupt Vectors:
182 =1 Interrupt Address = (Number * 8) + 3
183 =1 ------------------------------------------------*/
184 =1 #define IE0_VECTOR 0 /* 0x03 External Interrupt 0 */
185 =1 #define TF0_VECTOR 1 /* 0x0B Timer 0 */
186 =1 #define IE1_VECTOR 2 /* 0x13 External Interrupt 1 */
187 =1 #define TF1_VECTOR 3 /* 0x1B Timer 1 */
188 =1 #define SIO_VECTOR 4 /* 0x23 Serial port */
189 =1
190 =1 #endif
191 =1
192 =1
32 #include "scancodes.h"
1 =1 unsigned char code UnShifted[59][2] = {
2 =1 0x1C, 'a',
3 =1 0x32, 'b',
4 =1 0x21, 'c',
5 =1 0x23, 'd',
6 =1 0x24, 'e',
7 =1 0x2B, 'f',
8 =1 0x34, 'g',
9 =1 0x33, 'h',
10 =1 0x43, 'i',
11 =1 0x3B, 'j',
12 =1 0x42, 'k',
13 =1 0x4B, 'l',
14 =1 0x3A, 'm',
15 =1 0x31, 'n',
16 =1 0x44, 'o',
17 =1 0x4D, 'p',
C51 COMPILER V7.08 PS2KEY 04/08/2006 16:38:20 PAGE 5
18 =1 0x15, 'q',
19 =1 0x2D, 'r',
20 =1 0x1B, 's',
21 =1 0x2C, 't',
22 =1 0x3C, 'u',
23 =1 0x2A, 'v',
24 =1 0x1D, 'w',
25 =1 0x22, 'x',
26 =1 0x35, 'y',
27 =1 0x1A, 'z',
28 =1 0x45, '0',
29 =1 0x16, '1',
30 =1 0x1E, '2',
31 =1 0x26, '3',
32 =1 0x25, '4',
33 =1 0x2E, '5',
34 =1 0x36, '6',
35 =1 0x3D, '7',
36 =1 0x3E, '8',
37 =1 0x46, '9',
38 =1 0x0E, '`',
39 =1 0x4E, '-',
40 =1 0x55, '=',
41 =1 0x5D, '\\',
42 =1 0x29, ' ',
43 =1 0x54, '[',
44 =1 0x5B, ']',
45 =1 0x4C, ';',
46 =1 0x52, '\'',
47 =1 0x41, ',',
48 =1 0x49, '.',
49 =1 0x4A, '/',
50 =1 0x71, '.',
51 =1 0x70, '0',
52 =1 0x69, '1',
53 =1 0x72, '2',
54 =1 0x7A, '3',
55 =1 0x6B, '4',
56 =1 0x73, '5',
57 =1 0x74, '6',
58 =1 0x6C, '7',
59 =1 0x75, '8',
60 =1 0x7D, '9',
61 =1 };
62 =1
63 =1 unsigned char code Shifted[59][2] = {
64 =1 0x1C, 'A',
65 =1 0x32, 'B',
66 =1 0x21, 'C',
67 =1 0x23, 'D',
68 =1 0x24, 'E',
69 =1 0x2B, 'F',
70 =1 0x34, 'G',
71 =1 0x33, 'H',
72 =1 0x43, 'I',
73 =1 0x3B, 'J',
74 =1 0x42, 'K',
75 =1 0x4B, 'L',
76 =1 0x3A, 'M',
77 =1 0x31, 'N',
78 =1 0x44, 'O',
79 =1 0x4D, 'P',
C51 COMPILER V7.08 PS2KEY 04/08/2006 16:38:20 PAGE 6
80 =1 0x15, 'Q',
81 =1 0x2D, 'R',
82 =1 0x1B, 'S',
83 =1 0x2C, 'T',
84 =1 0x3C, 'U',
85 =1 0x2A, 'V',
86 =1 0x1D, 'W',
87 =1 0x22, 'X',
88 =1 0x35, 'Y',
89 =1 0x1A, 'Z',
90 =1 0x45, '0',
91 =1 0x16, '1',
92 =1 0x1E, '2',
93 =1 0x26, '3',
94 =1 0x25, '4',
95 =1 0x2E, '5',
96 =1 0x36, '6',
97 =1 0x3D, '7',
98 =1 0x3E, '8',
99 =1 0x46, '9',
100 =1 0x0E, '~',
101 =1 0x4E, '_',
102 =1 0x55, '+',
103 =1 0x5D, '|',
104 =1 0x29, ' ',
105 =1 0x54, '{',
106 =1 0x5B, '}',
107 =1 0x4C, ':',
108 =1 0x52, '"',
109 =1 0x41, '<',
110 =1 0x49, '>',
111 =1 0x4A, '?',
112 =1 0x71, '.',
113 =1 0x70, '0',
114 =1 0x69, '1',
115 =1 0x72, '2',
116 =1 0x7A, '3',
117 =1 0x6B, '4',
118 =1 0x73, '5',
119 =1 0x74, '6',
120 =1 0x6C, '7',
121 =1 0x75, '8',
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