📄 ceshi.lst
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C51 COMPILER V7.50 CESHI 01/31/2007 08:54:53 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE CESHI
OBJECT MODULE PLACED IN ceshi.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ceshi.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include <at892051.h>
2 #include <math.h>
3 #include <stdio.h>
4
5 #define TIMER0_ENABLE TL0=TH0; TR0=1; //TR0 = 1,启动T
6 #define TIMER0_DISABLE TR0=0;
7
8 sbit RESET = P1^7;
9 sbit SCK = P1^6;
10 sbit RCK = P1^5;
11 sbit SER = P1^4;
12 sbit DB = P1^2;
13 sbit ZB = P1^3;
14
15 unsigned char code dispcode[]={0xc0,0xf9,0xa4,0xb0,0x99, //0,1,2,3,4
16 0x92,0x82,0xf8,0x80,0x90, //5,6,7,8,9
17 0x88,0x83,0xc6,0xa1,0x86, //a,b,c,d,e
18 0xff}; //f－灭
19 /*
20 unsigned char code dispcode[]={0x40,0x79,0x24,0x30,0x19, //0,1,2,3,4
21 0x12,0x02,0x78,0x00,0x10, //5,6,7,8,9
22 0x08,0x03,0x46,0x21,0x06, //a,b,c,d,e
23 0x7f,0x00}; //f,灭
24 */
25
26 unsigned char bdata SF;
27 sbit S7 = SF^7;
28 sbit S6 = SF^6;
29 sbit S5 = SF^5;
30 sbit S4 = SF^4;
31 sbit S3 = SF^3;
32 sbit S2 = SF^2;
33 sbit S1 = SF^1;
34 sbit S0 = SF^0;
35
36 unsigned char getch;
37 unsigned long DBData; //大包数据
38 unsigned long ZBData; //中包数据
39 unsigned long FactData;
40 unsigned long mul = 10000;
41 unsigned char data PartData[5];
42 void PSendChar(unsigned char getch);
43 void DisPlay(unsigned long FactData);
44 void delay_5ms(unsigned int t);
45
46 void main ( )
47 {
48 1
49 1
50 1 EA = 0;
51 1 TMOD=0x22; //定时器0为工作模式2(8位自动重装)，0为模式2(8位自动重装)
52 1 PCON=0x00;
53 1 TH0=(256-96); //9600bps 就是 1000000/9600=104.167微秒 执行的时间是104.167*11.0592/12= 96
54 1 TL0=TH0;
55 1 ET0=1; //定时器/记数器T0的溢出中断允许位，ET，允 许中断
C51 COMPILER V7.50 CESHI 01/31/2007 08:54:53 PAGE 2
56 1 EA=1;
57 1 DB = 0;
58 1 ZB = 0;
59 1 RCK = 0;
60 1 SCK = 0;
61 1 while (1)
62 1 {
63 2 RESET = 0; //复位，清屏
64 2 RESET = 1;
65 2 DB = 1; //置大包标志
66 2 DisPlay(0x3ABC);
67 2 delay_5ms(15000); //延时1.25ms
68 2 DB = 0;
69 2 RESET = 0; //复位，清屏
70 2 RESET = 1;
71 2 SCK = 0;
72 2 ZB = 1; //置中包标志
73 2 DisPlay(0x1f78);
74 2 delay_5ms(15000); //延时1.25ms
75 2 ZB = 0;
76 2 }
77 1 }
78 //***********************************************************************************//
79 // 5位串行移位数码显示程序 //
80 // （74LS595) //
81 //***********************************************************************************//
82 void DisPlay(unsigned long FactData)
83 {
84 1 unsigned char i;
85 1 unsigned char j;
86 1 unsigned long mul = 10000;
87 1
88 1 for (j = 0;j < 5;j++) //十六进制转换为十进制
89 1 {
90 2 PartData[4-j] = FactData/mul;
91 2 FactData = FactData%mul ;
92 2 mul = mul / 10;
93 2 }
94 1 if (PartData[4] == 0 ) //高位灭0处理
95 1 {
96 2 PartData[4] = 0x0f;
97 2 if (PartData[3] == 0 )
98 2 {
99 3 PartData[3] = 0x0f;
100 3 }
101 2 }
102 1 RCK = 0;
103 1 for(i = 0; i<= 4; i++) //赋显示值
104 1 {
105 2 getch = dispcode[PartData[i]];
106 2 if (i == 2) //小数点第3位固定显示
107 2 {
108 3 getch = getch & 0x7f;
109 3 }
110 2 PSendChar(getch);
111 2 }
112 1 RCK = 1;
113 1 for (j = 0;j < 5;j++) //清显示缓冲区
114 1 {
115 2 PartData[j] = 0x00;
116 2 }
117 1 }
C51 COMPILER V7.50 CESHI 01/31/2007 08:54:53 PAGE 3
118
119 /*
120 void IntTimer0() interrupt 1 //定时器计数器0的中断
121 {
122 SCK = 0;
123 }
124
125
126
127 void PSendChar(unsigned char getch)
128 {
129 SF = getch;
130 TIMER0_ENABLE; //记数器0启动
131 SER = S7; //先送出低位
132 SCK =1;
133 while(SCK) ;
134 SER = S6;
135 SCK = 1;
136 while(SCK) ;
137 SER = S5;
138 SCK = 1;
139 while(SCK);
140 SER = S4;
141 SCK = 1;
142 while(SCK);
143 SER = S3;
144 SCK = 1;
145 while(SCK);
146 SER = S2;
147 SCK = 1;
148 while(SCK);
149 SER = S1;
150 SCK = 1;
151 while(SCK);
152 SER = S0;
153 SCK = 1;
154 while(SCK);
155 TIMER0_DISABLE; //停止timer
156 }
157 */
158
159 void PSendChar(unsigned char getch) //移位输出数据
160 {
161 1 unsigned char m;
162 1 SF = getch;
163 1 for (m=0;m<8;m++)
164 1 {
165 2 if (S7 == 1)
166 2 SER =1;
167 2 else SER=0; //移位时钟
168 2 SCK = 0;
169 2 SF <<= 1;
170 2 SCK = 1;
171 2 }
172 1 return;
173 1 }
174
175 //************************************************************************//
176 // 延时50ms程序 //
177 //************************************************************************//
178 void delay_5ms(unsigned int t)
179 {
C51 COMPILER V7.50 CESHI 01/31/2007 08:54:53 PAGE 4
180 1 unsigned char j;
181 1 for(;t>0;t--)
182 1 for(j=19000;j>0;j--) ;
183 1 return;
184 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 321 ----
CONSTANT SIZE = 16 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 23 10
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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