?? ds1302.lst
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C51 COMPILER V6.12 DS1302 07/11/2008 16:41:55 PAGE 1
C51 COMPILER V6.12, COMPILATION OF MODULE DS1302
OBJECT MODULE PLACED IN .\DS1302.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\DS1302.c BROWSE DEBUG OBJECTEXTEND
stmt level source
1 #include <REG51.H>
2 #include <intrins.h>
3 //#include "LCD1602.h"
4 //#include "DS1302.h"
5 #define uint unsigned int
6 #define uchar unsigned char
7 sbit DS1302_CLK = P1^7; //實時時鐘時鐘線引腳
8 sbit DS1302_IO = P1^6; //實時時鐘數據線引腳
9 sbit DS1302_RST = P1^5; //實時時鐘復位線引腳
10 sbit wireless_1 = P3^0;
11 sbit wireless_2 = P3^1;
12 sbit wireless_3 = P3^2;
13 sbit wireless_4 = P3^3;
14 sbit ACC0 = ACC^0;
15 sbit ACC7 = ACC^7;
16 char hide_sec,hide_min,hide_hour,hide_day,hide_week,hide_month,hide_year; //秒,分,時到日,月,年位閃的計數
17 sbit Set = P2^0; //模式切換鍵
18 sbit Up = P2^1; //加法按鈕
19 sbit Down = P2^2; //減法按鈕
20 sbit out = P2^3; //立刻跳出調整模式按鈕
21 sbit DQ = P1^0; //溫度傳送數據IO口
22 char done,count,temp,flag,up_flag,down_flag;
23 uchar temp_value; //溫度值
24 uchar TempBuffer[5],week_value[2];
25
26
27 void show_time(); //液晶顯示程序
28 /***********1602液晶顯示部分子程序****************/
29
30
31 //Port Definitions**********************************************************
32 sbit LcdRs = P2^5;
33 sbit LcdRw = P2^6;
34 sbit LcdEn = P2^7;
35 sfr DBPort = 0x80; //P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.數據端口
36
37 //內部等待函數**************************************************************************
38 unsigned char LCD_Wait(void)
39 {
40 1 LcdRs=0;
41 1 LcdRw=1; _nop_();
42 1 LcdEn=1; _nop_();
43 1
44 1 LcdEn=0;
45 1 return DBPort;
46 1 }
47 //向LCD寫入命令或數據************************************************************
48 #define LCD_COMMAND 0 // Command
49 #define LCD_DATA 1 // Data
50 #define LCD_CLEAR_SCREEN 0x01 // 清屏
51 #define LCD_HOMING 0x02 // 光標返回原點
52 void LCD_Write(bit style, unsigned char input)
53 {
54 1 LcdEn=0;
55 1 LcdRs=style;
C51 COMPILER V6.12 DS1302 07/11/2008 16:41:55 PAGE 2
56 1 LcdRw=0; _nop_();
57 1 DBPort=input; _nop_();//注意順序
58 1 LcdEn=1; _nop_();//注意順序
59 1 LcdEn=0; _nop_();
60 1 LCD_Wait();
61 1 }
62
63 //設置顯示模式************************************************************
64 #define LCD_SHOW 0x04 //顯示開
65 #define LCD_HIDE 0x00 //顯示關
66
67 #define LCD_CURSOR 0x02 //顯示光標
68 #define LCD_NO_CURSOR 0x00 //無光標
69
70 #define LCD_FLASH 0x01 //光標閃動
71 #define LCD_NO_FLASH 0x00 //光標不閃動
72
73 void LCD_SetDisplay(unsigned char DisplayMode)
74 {
75 1 LCD_Write(LCD_COMMAND, 0x08|DisplayMode);
76 1 }
77
78 //設置輸入模式************************************************************
79 #define LCD_AC_UP 0x02
80 #define LCD_AC_DOWN 0x00 // default
81
82 #define LCD_MOVE 0x01 // 畫面可平移
83 #define LCD_NO_MOVE 0x00 //default
84
85 void LCD_SetInput(unsigned char InputMode)
86 {
87 1 LCD_Write(LCD_COMMAND, 0x04|InputMode);
88 1 }
89
90 //初始化LCD************************************************************
91 void LCD_Initial()
92 {
93 1 LcdEn=0;
94 1 LCD_Write(LCD_COMMAND,0x38); //8位數據端口,2行顯示,5*7點陣
95 1 LCD_Write(LCD_COMMAND,0x38);
96 1 LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //開啟顯示, 無光標
97 1 LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
98 1 LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC遞增, 畫面不動
99 1 }
100
101 //液晶字符輸入的位置************************
102 void GotoXY(unsigned char x, unsigned char y)
103 {
104 1 if(y==0)
105 1 LCD_Write(LCD_COMMAND,0x80|x);
106 1 if(y==1)
107 1 LCD_Write(LCD_COMMAND,0x80|(x-0x40));
108 1 }
109
110 //將字符輸出到液晶顯示
111 void Print(unsigned char *str)
112 {
113 1 while(*str!='\0')
114 1 {
115 2 LCD_Write(LCD_DATA,*str);
116 2 str++;
117 2 }
C51 COMPILER V6.12 DS1302 07/11/2008 16:41:55 PAGE 3
118 1 }
119
120
121
122
123
124
125 /***********DS1302時鐘部分子程序******************/
126 typedef struct __SYSTEMTIME__
127 {
128 unsigned char Second;
129 unsigned char Minute;
130 unsigned char Hour;
131 unsigned char Week;
132 unsigned char Day;
133 unsigned char Month;
134 unsigned char Year;
135 unsigned char DateString[11];
136 unsigned char TimeString[9];
137 }SYSTEMTIME; //定義的時間類型
138 SYSTEMTIME CurrentTime;
139
140
141 #define AM(X) X
142 #define PM(X) (X+12) // 轉成24小時制
143 #define DS1302_SECOND 0x80 //時鐘芯片的寄存器位置,存放時間
144 #define DS1302_MINUTE 0x82
145 #define DS1302_HOUR 0x84
146 #define DS1302_WEEK 0x8A
147 #define DS1302_DAY 0x86
148 #define DS1302_MONTH 0x88
149 #define DS1302_YEAR 0x8C
150
151 void DS1302InputByte(unsigned char d) //實時時鐘寫入一字節(內部函數)
152 {
153 1 unsigned char i;
154 1 ACC = d;
155 1 for(i=8; i>0; i--)
156 1 {
157 2 DS1302_IO = ACC0; //相當于匯編中的 RRC
158 2 DS1302_CLK = 1;
159 2 DS1302_CLK = 0;
160 2 ACC = ACC >> 1;
161 2 }
162 1 }
163
164 unsigned char DS1302OutputByte(void) //實時時鐘讀取一字節(內部函數)
165 {
166 1 unsigned char i;
167 1 for(i=8; i>0; i--)
168 1 {
169 2 ACC = ACC >>1; //相當于匯編中的 RRC
170 2 ACC7 = DS1302_IO;
171 2 DS1302_CLK = 1;
172 2 DS1302_CLK = 0;
173 2 }
174 1 return(ACC);
175 1 }
176
177 void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要寫的數據
178 {
179 1 DS1302_RST = 0;
C51 COMPILER V6.12 DS1302 07/11/2008 16:41:55 PAGE 4
180 1 DS1302_CLK = 0;
181 1 DS1302_RST = 1;
182 1 DS1302InputByte(ucAddr); // 地址，命令
183 1 DS1302InputByte(ucDa); // 寫1Byte數據
184 1 DS1302_CLK = 1;
185 1 DS1302_RST = 0;
186 1 }
187
188 unsigned char Read1302(unsigned char ucAddr) //讀取DS1302某地址的數據
189 {
190 1 unsigned char ucData;
191 1 DS1302_RST = 0;
192 1 DS1302_CLK = 0;
193 1 DS1302_RST = 1;
194 1 DS1302InputByte(ucAddr|0x01); // 地址，命令
195 1 ucData = DS1302OutputByte(); // 讀1Byte數據
196 1 DS1302_CLK = 1;
197 1 DS1302_RST = 0;
198 1 return(ucData);
199 1 }
200
201
202
203 void DS1302_GetTime(SYSTEMTIME *Time) //獲取時鐘芯片的時鐘數據到自定義的結構型數組
204 {
205 1 unsigned char ReadValue;
206 1 ReadValue = Read1302(DS1302_SECOND);
207 1 Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
208 1 ReadValue = Read1302(DS1302_MINUTE);
209 1 Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
210 1 ReadValue = Read1302(DS1302_HOUR);
211 1 Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
212 1 ReadValue = Read1302(DS1302_DAY);
213 1 Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
214 1 ReadValue = Read1302(DS1302_WEEK);
215 1 Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
216 1 ReadValue = Read1302(DS1302_MONTH);
217 1 Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
218 1 ReadValue = Read1302(DS1302_YEAR);
219 1 Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
220 1 }
221
222 void DateToStr(SYSTEMTIME *Time) //將時間年,月,日,星期數據轉換成液晶顯示字符串,放到數組里DateString[]
223 { if(hide_year<2) //這里的if,else語句都是判斷位閃爍,<2顯示數據,>2就不顯示,輸出字符串為 2
-007/07/22
224 1 {
225 2 Time->DateString[0] = '2';
226 2 Time->DateString[1] = '0';
227 2 Time->DateString[2] = Time->Year/10 + '0';
228 2 Time->DateString[3] = Time->Year%10 + '0';
229 2 }
230 1 else
231 1 {
232 2 Time->DateString[0] = ' ';
233 2 Time->DateString[1] = ' ';
234 2 Time->DateString[2] = ' ';
235 2 Time->DateString[3] = ' ';
236 2 }
237 1 Time->DateString[4] = '/';
238 1 if(hide_month<2)
239 1 {
240 2 Time->DateString[5] = Time->Month/10 + '0';
C51 COMPILER V6.12 DS1302 07/11/2008 16:41:55 PAGE 5
241 2 Time->DateString[6] = Time->Month%10 + '0';
242 2 }
243 1 else
244 1 {
245 2 Time->DateString[5] = ' ';
246 2 Time->DateString[6] = ' ';
247 2 }
248 1 Time->DateString[7] = '/';
249 1 if(hide_day<2)
250 1 {
251 2 Time->DateString[8] = Time->Day/10 + '0';
252 2 Time->DateString[9] = Time->Day%10 + '0';
253 2 }
254 1 else
255 1 {
256 2 Time->DateString[8] = ' ';
257 2 Time->DateString[9] = ' ';
258 2 }
259 1 if(hide_week<2)
260 1 {
261 2 week_value[0] = Time->Week%10 + '0'; //星期的數據另外放到 week_value[]數組里,跟年,月,日的分開存放,因為
-等一下要在最后顯示
262 2 }
263 1 else
264 1 {
265 2 week_value[0] = ' ';
266 2 }
267 1 week_value[1] = '\0';
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