📄 time.lst
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C51 COMPILER V8.02 TIME 12/19/2011 20:44:09 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE TIME
OBJECT MODULE PLACED IN time.OBJ
COMPILER INVOKED BY: D:\单片机软件\Keil3\C51\BIN\C51.EXE time.c BROWSE DEBUG OBJECTEXTEND
line level source
1 //Title:calendar
2 //Author:liclny
3 //Date;10:45 2007-04-02
4 //QQ:43524751
5 #include "reg51.h"
6 #define uchar unsigned char
7 #define uint unsigned int
8 sbit DQ = P3^7;
9 sbit sign = P3^3;
10 sbit set_key = P3^0;
11 sbit up_key = P3^1;
12 sbit down_key = P3^2;
13
14 uint sec;
15 uint min=23;
16 uint hour=12;
17 uint day=10;
18 uint month=10;
19 uint yearl=7;
20 uint yearh=20;
21 uint tcnt;
22 uint cursor=0;
23 uchar a=0xff;
24 uchar code Seg[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
25
26 void delay(uint t)
27 {
28 1 uint i;
29 1 while(t--)
30 1 {for (i=0;i<125;i++);}
31 1 }
32 void Tdelay(unsigned int i)
33 {
34 1 while(i--);
35 1 }
36 void Kdelay()
37 {
38 1 uchar i,j;
39 1 for(i=100;i>0;i--)
40 1 for(j=248;j>0;j--);
41 1 }
42 Init_DS18B20(void)
43 {
44 1 unsigned char x=0;
45 1 DQ = 1;
46 1 Tdelay(8);
47 1 DQ = 0;
48 1 Tdelay(80);
49 1 DQ = 1;
50 1 Tdelay(14);
51 1 Tdelay(20);
52 1 }
53 //读一个字节
54 ReadOneChar(void)
55 {
C51 COMPILER V8.02 TIME 12/19/2011 20:44:09 PAGE 2
56 1 unsigned char i=0;
57 1 unsigned char dat = 0;
58 1 for (i=8;i>0;i--)
59 1 {
60 2 DQ = 0;
61 2 dat>>=1;
62 2 DQ = 1;
63 2 if(DQ)
64 2 dat|=0x80;
65 2 Tdelay(4);
66 2 }
67 1 return(dat);
68 1 }//写一个字节
69 WriteOneChar(unsigned char dat)
70 {
71 1 unsigned char i=0;
72 1 for (i=8; i>0; i--)
73 1 {
74 2 DQ = 0;
75 2 DQ = dat&0x01;
76 2 Tdelay(5);
77 2 DQ = 1;
78 2 dat>>=1;
79 2 }
80 1 }//读取温度
81 ReadTemperature(void)
82 {
83 1 unsigned char a=0;
84 1 unsigned char b=0;
85 1 unsigned int t=0;
86 1 float tt=0;
87 1 Init_DS18B20();
88 1 WriteOneChar(0xCC);
89 1 WriteOneChar(0x44);
90 1 Init_DS18B20();
91 1 WriteOneChar(0xCC);
92 1 WriteOneChar(0xBE);
93 1 a=ReadOneChar();
94 1 b=ReadOneChar();
95 1 t=b;
96 1 t<<=8;
97 1 t=t|a;
98 1 tt=t*0.0625;
99 1 t= tt*10+0.5;
100 1 return(t);
101 1 }
102 void display(uchar L1,uchar L2,uchar L3,uchar L4,uchar L5,uchar L6,uchar L7,uchar L8,uchar L9,uchar L10,uc
-har L11,uchar L12,uchar L13,uchar L14,uchar L15,uchar L16)
103 {
104 1 P2=0x7F;P0=L1;delay(1); //yearh
105 1 P2=0xBF;P0=L2;delay(1); //yearh
106 1 if(cursor==6){P2=0xDF|a;P0=L3;delay(1);}else{P2=0xDF;P0=L3;delay(1);} //yearl
107 1 if(cursor==6){P2=0xEF|a;P0=L4;delay(1);}else{P2=0xEF;P0=L4;delay(1);} //yearl
108 1 if(cursor==5){P2=0xF7|a;P0=L5;delay(1);}else{P2=0xF7;P0=L5;delay(1);} //month
109 1 if(cursor==5){P2=0xFB|a;P0=L6;delay(1);}else{P2=0xFB;P0=L6;delay(1);} //month
110 1 if(cursor==4){P2=0xFD|a;P0=L7;delay(1);}else{P2=0xFD;P0=L7;delay(1);} //day
111 1 if(cursor==4){P2=0xFE|a;P0=L8;delay(1);}else{P2=0xFE;P0=L8;delay(1);} //day
112 1 P2=0xFF;
113 1 if(cursor==3){P1=0x7F|a;P0=L9;delay(1);}else{P1=0x7F;P0=L9;delay(1);} //hour
114 1 if(cursor==3){P1=0xBF|a;P0=L10;delay(1);}else{P1=0xBF;P0=L10;delay(1);} //hour
115 1 if(cursor==2){P1=0xDF|a;P0=L11;delay(1);}else{P1=0xDF;P0=L11;delay(1);} //min
116 1 if(cursor==2){P1=0xEF|a;P0=L12;delay(1);}else{P1=0xEF;P0=L12;delay(1);} //min
C51 COMPILER V8.02 TIME 12/19/2011 20:44:09 PAGE 3
117 1 if(cursor==1){P1=0xF7|a;P0=L13;delay(1);}else{P1=0xF7;P0=L13;delay(1);} //sec
118 1 if(cursor==1){P1=0xFB|a;P0=L14;delay(1);}else{P1=0xFB;P0=L14;delay(1);} //sec
119 1 P1=0xFD;P0=L15;delay(1); //temp
120 1 P1=0xFE;P0=L16;delay(1); //temp
121 1 P1=0xFF;
122 1 }
123 main()
124 {
125 1 uint i;
126 1 TMOD=0x02; //设置模式为定时器T0的模式2 （8位自动重装计数初值的计数值）
127 1 TH0=0x06; //设置计数器初值，靠TH0存储重装的计数值X0=256-250=6
128 1 TL0=0x06;
129 1 TR0=1; //启动T0
130 1 ET0=1; //开启定时器T0中断允许
131 1 EA=1; //开启中断总控制
132 1 while(1)
133 1 {
134 2 if(set_key==0)
135 2 {
136 3 Kdelay();
137 3 if(set_key==0)
138 3 {
139 4 cursor++;
140 4 if(cursor>=7){cursor=0;}
141 4 }
142 3 }
143 2 if(up_key==0)
144 2 {
145 3 Kdelay();
146 3 if(up_key==0)
147 3 {
148 4 if(cursor==1){sec++;if(sec==60)sec=0;}
149 4 if(cursor==2){min++;if(min==60)min=0;}
150 4 if(cursor==3){hour++;if(hour==24)hour=0;}
151 4 if(cursor==4){day++;if(day==31)day=1;}
152 4 if(cursor==5){month++;if(month==13)month=1;}
153 4 if(cursor==6){yearl++;if(yearl==100)yearl=0;}
154 4 if(cursor==7){yearh++;if(yearh==30)yearh=20;}
155 4 }
156 3 }
157 2 if(down_key==0)
158 2 {
159 3 Kdelay();
160 3 if(down_key==0)
161 3 {
162 4 if(cursor==1){sec--;if(sec==00)sec=59;}
163 4 if(cursor==2){min--;if(min==0)min=59;}
164 4 if(cursor==3){hour--;if(hour==0)hour=23;}
165 4 if(cursor==4){day--;if(day==0)day=31;}
166 4 if(cursor==5){month--;if(month==0)month=12;}
167 4 if(cursor==6){yearl--;if(yearl==0)yearl=99;}
168 4 if(cursor==7){yearh--;if(yearh==20)yearh=30;}
169 4 }
170 3 }
171 2 i=ReadTemperature();
172 2 display(Seg[yearh/10],Seg[yearh%10],Seg[yearl/10],Seg[yearl%10],Seg[month/10],Seg[month%10],Seg
-[day/10],Seg[day%10],Seg[hour/10],Seg[hour%10],Seg[min/10],Seg[min%10],Seg[sec/10],Seg[sec%10],Seg[i/100],Seg[i/10%10]);
-
173 2 }
174 1 }
175 void t0(void)interrupt 1 using 0 //t0的中断程序
176 {
C51 COMPILER V8.02 TIME 12/19/2011 20:44:09 PAGE 4
177 1 tcnt++;
178 1 if(tcnt==4000)//定时器的定时计数，4000次250us为1秒
179 1 {
180 2 tcnt=0;
181 2 sign=~sign;
182 2 a=~a;
183 2 sec++;
184 2 if(sec==60)
185 2 {
186 3 sec=0;
187 3 min++;
188 3 if(min==60)
189 3 {
190 4 min=0;
191 4 hour++;
192 4 if(hour==24)
193 4 {
194 5 hour=0;
195 5 day++;
196 5 if(month==2&&((yearl==0&&yearh%4==0)||(yearl!=0&&yearl%4==0))&&day==30)day=1;
197 5 else if(month==2&&day==29)day=1;
198 5 else if((month==4||month==6||month==9||month==11)&&day==31)day=1;
199 5 else if(day==32)day=1;
200 5 if(day==1)
201 5 {
202 6 month++;
203 6 if(month==13)
204 6 {
205 7 month=1;
206 7 yearl++;
207 7 if(yearl==100)
208 7 {
209 8 yearl=0;
210 8 yearh++;
211 8 if(yearh==100)
212 8 {
213 9 yearh=20;
214 9 }
215 8 }
216 7 }
217 6 }
218 5 }
219 4 }
220 3 }
221 2 }
222 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 1776 ----
CONSTANT SIZE = 10 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 19 23
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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