📄 ds1302时钟+ds18b20.lst
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C51 COMPILER V6.12 DS1302_____DS18B20 12/27/2009 10:30:49 PAGE 1
C51 COMPILER V6.12, COMPILATION OF MODULE DS1302_____DS18B20
OBJECT MODULE PLACED IN .\DS1302时钟+DS18B20.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\DS1302时钟+DS18B20.c BROWSE DEBUG OBJECTEXTEND
stmt level source
1 #include <REG51.H>
2 #include <intrins.h>
3 #define uint unsigned int
4 #define uchar unsigned char
5 sbit DS1302_CLK = P1^7; //实时时钟时钟线引脚
6 sbit DS1302_IO = P1^6; //实时时钟数据线引脚
7 sbit DS1302_RST = P1^5; //实时时钟复位线引脚
8 sbit wireless_1 = P3^0;
9 sbit wireless_2 = P3^1;
10 sbit wireless_3 = P3^2;
11 sbit wireless_4 = P3^3;
12 sbit ACC0 = ACC^0;
13 sbit ACC7 = ACC^7;
14 uchar hide_sec,hide_min,hide_hour,hide_day,hide_week,hide_month,hide_year; //秒,分,时到日,月,年位闪的计数
-
15 sbit Set = P2^0; //模式切换键
16 sbit Up = P2^1; //加法按钮
17 sbit Down = P2^2; //减法按钮
18 sbit out = P2^3; //立刻跳出调整模式按钮
19 sbit DQ = P1^0; //温度传送数据IO口
20 uchar done,count,temp,flag,up_flag,down_flag;
21 uchar temp_value; //温度值
22 uchar TempBuffer[5],week_value[2];
23
24
25 void show_time(); //液晶显示程序
26 /***********1602液晶显示部分子程序****************/
27
28
29 //Port Definitions**********************************************************
30 sbit LcdRs = P2^5;
31 sbit LcdRw = P2^6;
32 sbit LcdEn = P2^7;
33 sfr DBPort = 0x80; //P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口
34
35
36 //内部等待函数**************************************************************************
37 unsigned char LCD_Wait(void)
38 {
39 1 LcdRs=0;
40 1 LcdRw=1; _nop_();
41 1 LcdEn=1; _nop_();
42 1 LcdEn=0;
43 1 return DBPort;
44 1 }
45 //向LCD写入命令或数据************************************************************
46 #define LCD_COMMAND 0 // Command
47 #define LCD_DATA 1 // Data
48 #define LCD_CLEAR_SCREEN 0x01 // 清屏
49 #define LCD_HOMING 0x02 // 光标返回原点
50 void LCD_Write(bit style, unsigned char input)
51 {
52 1 LcdEn=0;
53 1 LcdRs=style;
54 1 LcdRw=0; _nop_();
C51 COMPILER V6.12 DS1302_____DS18B20 12/27/2009 10:30:49 PAGE 2
55 1 DBPort=input; _nop_();//注意顺序
56 1 LcdEn=1; _nop_();//注意顺序
57 1 LcdEn=0; _nop_();
58 1 LCD_Wait();
59 1 }
60
61 //设置显示模式************************************************************
62 #define LCD_SHOW 0x04 //显示开
63 #define LCD_HIDE 0x00 //显示关
64
65 #define LCD_CURSOR 0x02 //显示光标
66 #define LCD_NO_CURSOR 0x00 //无光标
67
68 #define LCD_FLASH 0x01 //光标闪动
69 #define LCD_NO_FLASH 0x00 //光标不闪动
70
71 void LCD_SetDisplay(unsigned char DisplayMode)
72 {
73 1 LCD_Write(LCD_COMMAND, 0x08|DisplayMode);
74 1 }
75
76 //设置输入模式************************************************************
77 #define LCD_AC_UP 0x02 // default
78 #define LCD_AC_DOWN 0x00
79
80 #define LCD_MOVE 0x01 // 画面可平移
81 #define LCD_NO_MOVE 0x00 //default
82
83 void LCD_SetInput(unsigned char InputMode)
84 {
85 1 LCD_Write(LCD_COMMAND, 0x04|InputMode);
86 1 }
87
88 //初始化LCD************************************************************
89 void LCD_Initial()
90 {
91 1 LcdEn=0;
92 1 LCD_Write(LCD_COMMAND,0x38); //这次写是为了检测LCD是否忙,不忙则返回端口P0的地址
93 1 LCD_Write(LCD_COMMAND,0x38); //8位数据端口,2行显示,5*7点阵
94 1 LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //开启显示, 无光标
95 1 LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
96 1 LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC递增, 画面不动
97 1 }
98
99 //液晶字符输入的位置************************
100 void GotoXY(unsigned char x, unsigned char y)
101 {
102 1 if(y==0)
103 1 LCD_Write(LCD_COMMAND,0x80|x);
104 1 if(y==1)
105 1 LCD_Write(LCD_COMMAND,0x80|(x+0x40));
106 1 }
107
108 //将字符输出到液晶显示
109 void Print(unsigned char *str)
110 {
111 1 while(*str!='\0')
112 1 {
113 2 LCD_Write(LCD_DATA,*str);
114 2 str++;
115 2 }
116 1 }
C51 COMPILER V6.12 DS1302_____DS18B20 12/27/2009 10:30:49 PAGE 3
117
118
119
120
121
122
123 /***********DS1302时钟部分子程序******************/
124 typedef struct __SYSTEMTIME__
125 {
126 unsigned char Second;
127 unsigned char Minute;
128 unsigned char Hour;
129 unsigned char Week;
130 unsigned char Day;
131 unsigned char Month;
132 unsigned char Year;
133 unsigned char DateString[11];
134 unsigned char TimeString[9];
135 }SYSTEMTIME; //定义的时间类型
136 SYSTEMTIME CurrentTime;
137
138
139 //#define AM(X) X
140 //#define PM(X) (X+12) // 转成24小时制
141 #define DS1302_SECOND 0x80 //时钟芯片的寄存器位置,存放时间
142 #define DS1302_MINUTE 0x82
143 #define DS1302_HOUR 0x84
144 #define DS1302_WEEK 0x8A
145 #define DS1302_DAY 0x86
146 #define DS1302_MONTH 0x88
147 #define DS1302_YEAR 0x8C
148
149 void DS1302InputByte(unsigned char d) //向实时时钟写入一字节(内部函数)
150 {
151 1 unsigned char i;
152 1 ACC = d;
153 1 for(i=8; i>0; i--)
154 1 {
155 2 DS1302_IO = ACC0;
156 2 DS1302_CLK = 1; //下降沿有效
157 2 DS1302_CLK = 0;
158 2 ACC = ACC >> 1; //相当于汇编中的 RRC
159 2 }
160 1 }
161
162 unsigned char DS1302OutputByte(void) //实时时钟读取一字节(内部函数)
163 {
164 1 unsigned char i;
165 1 for(i=8; i>0; i--)
166 1 {
167 2 ACC = ACC >>1; //相当于汇编中的 RRC
168 2 ACC7 = DS1302_IO;
169 2 DS1302_CLK = 1;
170 2 DS1302_CLK = 0;
171 2 }
172 1 return(ACC);
173 1 }
174
175 void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要写的数据
176 {
177 1 DS1302_RST = 0; //复位引脚为低电平所有数据终止传送
178 1 DS1302_CLK = 0; //只有在CLK为低电平时才能将RSTY置为高电平
C51 COMPILER V6.12 DS1302_____DS18B20 12/27/2009 10:30:49 PAGE 4
179 1 DS1302_RST = 1; //复位引脚为高电平,逻辑控制有效
180 1 DS1302InputByte(ucAddr); // 地址，命令
181 1 DS1302InputByte(ucDa); // 写1Byte数据
182 1 DS1302_CLK = 1;
183 1 DS1302_RST = 0;
184 1 }
185
186 unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据
187 {
188 1 unsigned char ucData;
189 1 DS1302_RST = 0;
190 1 DS1302_CLK = 0;
191 1 DS1302_RST = 1;
192 1 DS1302InputByte(ucAddr|0x01); // 地址或命令 ,最低位为1时对寄存器进行读 ,为0时写
193 1 ucData = DS1302OutputByte(); // 读1Byte数据
194 1 DS1302_CLK = 1;
195 1 DS1302_RST = 0;
196 1 return(ucData);
197 1 }
198
199
200
201 void DS1302_GetTime(SYSTEMTIME *Time) //获取时钟芯片的时钟数据到自定义的结构型数组
202 {
203 1 unsigned char ReadValue;
204 1 ReadValue = Read1302(DS1302_SECOND);
205 1 Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
206 1 ReadValue = Read1302(DS1302_MINUTE);
207 1 Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
208 1 ReadValue = Read1302(DS1302_HOUR);
209 1 Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
210 1 ReadValue = Read1302(DS1302_DAY);
211 1 Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
212 1 ReadValue = Read1302(DS1302_WEEK);
213 1 Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
214 1 ReadValue = Read1302(DS1302_MONTH);
215 1 Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
216 1 ReadValue = Read1302(DS1302_YEAR);
217 1 Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
218 1 }
219
220 void DateToStr(SYSTEMTIME *Time) //将时间年,月,日,星期数据转换成液晶显示字符串,放到数组里DateString[]
221 { if(hide_year<2) //这里的if,else语句都是判断位闪烁,<2显示数据,>2就不显示,输出字符串为 2
-007/07/22
222 1 {
223 2 Time->DateString[0] = '2';
224 2 Time->DateString[1] = '0';
225 2 Time->DateString[2] = Time->Year/10 + '0';
226 2 Time->DateString[3] = Time->Year%10 + '0';
227 2 }
228 1 else
229 1 {
230 2 Time->DateString[0] = ' ';
231 2 Time->DateString[1] = ' ';
232 2 Time->DateString[2] = ' ';
233 2 Time->DateString[3] = ' ';
234 2 }
235 1 Time->DateString[4] = '/';
236 1 if(hide_month<2)
237 1 {
238 2 Time->DateString[5] = Time->Month/10 + '0';
239 2 Time->DateString[6] = Time->Month%10 + '0';
C51 COMPILER V6.12 DS1302_____DS18B20 12/27/2009 10:30:49 PAGE 5
240 2 }
241 1 else
242 1 {
243 2 Time->DateString[5] = ' ';
244 2 Time->DateString[6] = ' ';
245 2 }
246 1 Time->DateString[7] = '/';
247 1 if(hide_day<2)
248 1 {
249 2 Time->DateString[8] = Time->Day/10 + '0';
250 2 Time->DateString[9] = Time->Day%10 + '0';
251 2 }
252 1 else
253 1 {
254 2 Time->DateString[8] = ' ';
255 2 Time->DateString[9] = ' ';
256 2 }
257 1 if(hide_week<2)
258 1 {
259 2 week_value[0] = Time->Week%10 + '0'; //星期的数据另外放到 week_value[]数组里,跟年,月,日的分开存放,因为
-等一下要在最后显示
260 2 }
261 1 else
262 1 {
263 2 week_value[0] = ' ';
264 2 }
265 1 week_value[1] = '\0';
266 1
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