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C51 COMPILER V6.12 __耞LED__马_____開C 12/28/2006 16:02:44 PAGE 1
C51 COMPILER V6.12, COMPILATION OF MODULE __耞LED__马_____開C
OBJECT MODULE PLACED IN .\八路LED跑马灯实验-C.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\八路LED跑马灯实验-C.C ROM(COMPACT) REGFILE(.\八路LED跑马灯实验-C.ORC) DEB
-UG OBJECTEXTEND CODE LISTINCLUDE SYMBOLS
stmt level source
1 //1． 实验任务
2 //做单一灯的左移右移，硬件电路如图4.4.1所示，八个发光二极管
3 //L1－L8分别接在单片机的P1.0－P1.7接口上，输出"0"时，发光二极管亮，
4 //开始时P1.0→P1.1→P1.2→P1.3→┅→P1.7→P1.6→┅→P1.0亮，重复循环。
5
6 #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) 1995-1996 Keil Software, Inc. All rights reserved.
6 =1 --------------------------------------------------------------------------*/
7 =1
8 =1 #ifndef AT89X51_HEADER_FILE
9 =1 #define AT89X51_HEADER_FILE 1
10 =1
11 =1 /*------------------------------------------------
12 =1 Byte Registers
13 =1 ------------------------------------------------*/
14 =1 sfr P0 = 0x80;
15 =1 sfr SP = 0x81;
16 =1 sfr DPL = 0x82;
17 =1 sfr DPH = 0x83;
18 =1 sfr PCON = 0x87;
19 =1 sfr TCON = 0x88;
20 =1 sfr TMOD = 0x89;
21 =1 sfr TL0 = 0x8A;
22 =1 sfr TL1 = 0x8B;
23 =1 sfr TH0 = 0x8C;
24 =1 sfr TH1 = 0x8D;
25 =1 sfr P1 = 0x90;
26 =1 sfr SCON = 0x98;
27 =1 sfr SBUF = 0x99;
28 =1 sfr P2 = 0xA0;
29 =1 sfr IE = 0xA8;
30 =1 sfr P3 = 0xB0;
31 =1 sfr IP = 0xB8;
32 =1 sfr PSW = 0xD0;
33 =1 sfr ACC = 0xE0;
34 =1 sfr B = 0xF0;
35 =1
36 =1 /*------------------------------------------------
37 =1 P0 Bit Registers
38 =1 ------------------------------------------------*/
39 =1 sbit P0_0 = 0x80;
40 =1 sbit P0_1 = 0x81;
41 =1 sbit P0_2 = 0x82;
42 =1 sbit P0_3 = 0x83;
43 =1 sbit P0_4 = 0x84;
44 =1 sbit P0_5 = 0x85;
45 =1 sbit P0_6 = 0x86;
46 =1 sbit P0_7 = 0x87;
47 =1
48 =1 /*------------------------------------------------
C51 COMPILER V6.12 __耞LED__马_____開C 12/28/2006 16:02:44 PAGE 2
49 =1 PCON Bit Values
50 =1 ------------------------------------------------*/
51 =1 #define IDL_ 0x01
52 =1
53 =1 #define STOP_ 0x02
54 =1 #define PD_ 0x02 /* Alternate definition */
55 =1
56 =1 #define GF0_ 0x04
57 =1 #define GF1_ 0x08
58 =1
59 =1 #define SMOD_ 0x80
60 =1
61 =1 /*------------------------------------------------
62 =1 TCON Bit Registers
63 =1 ------------------------------------------------*/
64 =1 sbit IT0 = 0x88;
65 =1 sbit IE0 = 0x89;
66 =1 sbit IT1 = 0x8A;
67 =1 sbit IE1 = 0x8B;
68 =1 sbit TR0 = 0x8C;
69 =1 sbit TF0 = 0x8D;
70 =1 sbit TR1 = 0x8E;
71 =1 sbit TF1 = 0x8F;
72 =1
73 =1 /*------------------------------------------------
74 =1 TMOD Bit Values
75 =1 ------------------------------------------------*/
76 =1 #define T0_M0_ 0x01
77 =1 #define T0_M1_ 0x02
78 =1 #define T0_CT_ 0x04
79 =1 #define T0_GATE_ 0x08
80 =1 #define T1_M0_ 0x10
81 =1 #define T1_M1_ 0x20
82 =1 #define T1_CT_ 0x40
83 =1 #define T1_GATE_ 0x80
84 =1
85 =1 #define T1_MASK_ 0xF0
86 =1 #define T0_MASK_ 0x0F
87 =1
88 =1 /*------------------------------------------------
89 =1 P1 Bit Registers
90 =1 ------------------------------------------------*/
91 =1 sbit P1_0 = 0x90;
92 =1 sbit P1_1 = 0x91;
93 =1 sbit P1_2 = 0x92;
94 =1 sbit P1_3 = 0x93;
95 =1 sbit P1_4 = 0x94;
96 =1 sbit P1_5 = 0x95;
97 =1 sbit P1_6 = 0x96;
98 =1 sbit P1_7 = 0x97;
99 =1
100 =1 /*------------------------------------------------
101 =1 SCON Bit Registers
102 =1 ------------------------------------------------*/
103 =1 sbit RI = 0x98;
104 =1 sbit TI = 0x99;
105 =1 sbit RB8 = 0x9A;
106 =1 sbit TB8 = 0x9B;
107 =1 sbit REN = 0x9C;
108 =1 sbit SM2 = 0x9D;
109 =1 sbit SM1 = 0x9E;
110 =1 sbit SM0 = 0x9F;
C51 COMPILER V6.12 __耞LED__马_____開C 12/28/2006 16:02:44 PAGE 3
111 =1
112 =1 /*------------------------------------------------
113 =1 P2 Bit Registers
114 =1 ------------------------------------------------*/
115 =1 sbit P2_0 = 0xA0;
116 =1 sbit P2_1 = 0xA1;
117 =1 sbit P2_2 = 0xA2;
118 =1 sbit P2_3 = 0xA3;
119 =1 sbit P2_4 = 0xA4;
120 =1 sbit P2_5 = 0xA5;
121 =1 sbit P2_6 = 0xA6;
122 =1 sbit P2_7 = 0xA7;
123 =1
124 =1 /*------------------------------------------------
125 =1 IE Bit Registers
126 =1 ------------------------------------------------*/
127 =1 sbit EX0 = 0xA8; /* 1=Enable External interrupt 0 */
128 =1 sbit ET0 = 0xA9; /* 1=Enable Timer 0 interrupt */
129 =1 sbit EX1 = 0xAA; /* 1=Enable External interrupt 1 */
130 =1 sbit ET1 = 0xAB; /* 1=Enable Timer 1 interrupt */
131 =1 sbit ES = 0xAC; /* 1=Enable Serial port interrupt */
132 =1 sbit ET2 = 0xAD; /* 1=Enable Timer 2 interrupt */
133 =1
134 =1 sbit EA = 0xAF; /* 0=Disable all interrupts */
135 =1
136 =1 /*------------------------------------------------
137 =1 P3 Bit Registers (Mnemonics & Ports)
138 =1 ------------------------------------------------*/
139 =1 sbit P3_0 = 0xB0;
140 =1 sbit P3_1 = 0xB1;
141 =1 sbit P3_2 = 0xB2;
142 =1 sbit P3_3 = 0xB3;
143 =1 sbit P3_4 = 0xB4;
144 =1 sbit P3_5 = 0xB5;
145 =1 sbit P3_6 = 0xB6;
146 =1 sbit P3_7 = 0xB7;
147 =1
148 =1 sbit RXD = 0xB0; /* Serial data input */
149 =1 sbit TXD = 0xB1; /* Serial data output */
150 =1 sbit INT0 = 0xB2; /* External interrupt 0 */
151 =1 sbit INT1 = 0xB3; /* External interrupt 1 */
152 =1 sbit T0 = 0xB4; /* Timer 0 external input */
153 =1 sbit T1 = 0xB5; /* Timer 1 external input */
154 =1 sbit WR = 0xB6; /* External data memory write strobe */
155 =1 sbit RD = 0xB7; /* External data memory read strobe */
156 =1
157 =1 /*------------------------------------------------
158 =1 IP Bit Registers
159 =1 ------------------------------------------------*/
160 =1 sbit PX0 = 0xB8;
161 =1 sbit PT0 = 0xB9;
162 =1 sbit PX1 = 0xBA;
163 =1 sbit PT1 = 0xBB;
164 =1 sbit PS = 0xBC;
165 =1 sbit PT2 = 0xBD;
166 =1
167 =1 /*------------------------------------------------
168 =1 PSW Bit Registers
169 =1 ------------------------------------------------*/
170 =1 sbit P = 0xD0;
171 =1 sbit FL = 0xD1;
172 =1 sbit OV = 0xD2;
C51 COMPILER V6.12 __耞LED__马_____開C 12/28/2006 16:02:44 PAGE 4
173 =1 sbit RS0 = 0xD3;
174 =1 sbit RS1 = 0xD4;
175 =1 sbit F0 = 0xD5;
176 =1 sbit AC = 0xD6;
177 =1 sbit CY = 0xD7;
178 =1
179 =1 /*------------------------------------------------
180 =1 Interrupt Vectors:
181 =1 Interrupt Address = (Number * 8) + 3
182 =1 ------------------------------------------------*/
183 =1 #define IE0_VECTOR 0 /* 0x03 External Interrupt 0 */
184 =1 #define TF0_VECTOR 1 /* 0x0B Timer 0 */
185 =1 #define IE1_VECTOR 2 /* 0x13 External Interrupt 1 */
186 =1 #define TF1_VECTOR 3 /* 0x1B Timer 1 */
187 =1 #define SIO_VECTOR 4 /* 0x23 Serial port */
188 =1
189 =1 /*------------------------------------------------
190 =1 ------------------------------------------------*/
191 =1 #endif
192 =1
193 =1
7 unsigned char i;
8 unsigned char temp;
9 unsigned char a,b;
10
11 void delay(void)
12 {
13 1 unsigned char m,n,s;
14 1 for(m=20;m>0;m--)
15 1 for(n=20;n>0;n--)
16 1 for(s=248;s>0;s--);
17 1 }
18 void main(void)
19 {
20 1 while(1)
21 1 {
22 2 temp=0xfe;
23 2 P1=temp;
24 2 delay();
25 2 for(i=1;i<8;i++)
26 2 {
27 3 a=temp<<i;
28 3 b=temp>>(8-i);
29 3 P1=a|b;
30 3 delay();
31 3 }
32 2 for(i=1;i<8;i++)
33 2 {
34 3 a=temp>>i;
35 3 b=temp<<(8-i);
36 3 P1=a|b;
37 3 delay();
38 3 }
39 2 }
40 1 }
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