-
Notifications
You must be signed in to change notification settings - Fork 0
/
DS1302.c
237 lines (226 loc) · 5.02 KB
/
DS1302.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
#include "DS1302.h"
#define SETTING_KEY P3_7
#define OPERATION_KEY P3_6
#define DT_SS P2_0 // 段选
#define DT_BS P2_1 // 位选
#define DT_DATA P0
unsigned char CC_LED_DATA[] = { 0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F, 0x77, 0x7C, 0x39, 0x5E, 0x79, 0x71, 0x00 };
unsigned char LED_SS_DATA[] = { 0xFE, 0xFD, 0xFB, 0xF7, 0xEF, 0xDF, 0xBF, 0x7F };
ds1302_Datetime datetime;
unsigned char lcd_display[8];
__bit OPERATION_KEY_PRESSED = false;
__bit SETTING_KEY_PRESSED = false;
// 0 is time, 1 is date
__bit DISPLAY_MODE = 0;
/**
* 设置模式
* 0 关闭状态
* 1 时或年设置
* 2 分或月设置
* 3 秒或日设置
*
* increase 标识用户是否按下调整按键
*/
unsigned char SETTING_MODE = 0, increase=0, twinkle = 0;
void delay()
{
unsigned char a, b;
for(b=80;b>0;b--)
for(a=3;a>0;a--);
}
void setup()
{
SETTING_KEY = high;
OPERATION_KEY = high;
}
void loop()
{
unsigned char i;
ds1302_get_datetime(&datetime);
// 显示模式切换按键
if(OPERATION_KEY == low && !OPERATION_KEY_PRESSED)
{
OPERATION_KEY_PRESSED = true;
}
else if(OPERATION_KEY == high && OPERATION_KEY_PRESSED)
{
OPERATION_KEY_PRESSED = false;
if(SETTING_MODE)
{
increase=1;
}
else
{
DISPLAY_MODE = !DISPLAY_MODE;
}
}
// 设置模式切换按键
if(SETTING_KEY == low && !SETTING_KEY_PRESSED)
{
SETTING_KEY_PRESSED = true;
}
else if(SETTING_KEY == high && SETTING_KEY_PRESSED)
{
SETTING_KEY_PRESSED = false;
SETTING_MODE++;
if(SETTING_MODE > 3) SETTING_MODE = 0;
}
// 设置
if(SETTING_MODE && increase)
{
switch (SETTING_MODE) {
case 1:
{
if(DISPLAY_MODE == 0)
{
datetime.hour++;
if(datetime.hour > 23) datetime.hour = 0;
}
else
{
datetime.year++;
if(datetime.year > 50) datetime.year = 18;
}
break;
}
case 2:
{
if(DISPLAY_MODE == 0)
{
datetime.minute++;
if(datetime.minute > 59) datetime.minute = 0;
}
else
{
datetime.month++;
if(datetime.month > 12) datetime.month = 0;
}
break;
}
case 3:
{
if(DISPLAY_MODE == 0)
{
datetime.second++;
if(datetime.second > 59) datetime.second = 0;
}
else
{
datetime.day++;
// 31天的月
if(1 == datetime.month || 3 == datetime.month || 5 == datetime.month || 7 == datetime.month || 8 == datetime.month || 10 == datetime.month || 12 == datetime.month)
{
if(datetime.day > 31) datetime.day = 0;
}
// 2月
else if(2 == datetime.month)
{
// 闰年
if((datetime.year % 4 == 0 && datetime.year % 100 != 0) || datetime.year % 400 == 0)
{
if(datetime.day > 29) datetime.day = 0;
}
else
{
if(datetime.day > 28) datetime.day = 0;
}
}
// 30天的月
else
{
if(datetime.day > 30) datetime.day = 0;
}
}
break;
}
default:
break;
}
increase = 0;
ds1302_set_datetime(&datetime);
}
if(DISPLAY_MODE == 0)
{
if(SETTING_MODE == 1 && twinkle > 40)
{
lcd_display[0] = 0x10;
lcd_display[1] = 0x10;
}
else
{
lcd_display[0] = datetime.hour / 10;
lcd_display[1] = datetime.hour % 10;
}
lcd_display[2] = 0x10;
if(SETTING_MODE == 2 && twinkle > 40)
{
lcd_display[3] = 0x10;
lcd_display[4] = 0x10;
}
else
{
lcd_display[3] = datetime.minute / 10;
lcd_display[4] = datetime.minute % 10;
}
lcd_display[5] = 0x10;
if(SETTING_MODE == 3 && twinkle > 40)
{
lcd_display[6] = 0x10;
lcd_display[7] = 0x10;
}
else
{
lcd_display[6] = datetime.second / 10;
lcd_display[7] = datetime.second % 10;
}
}
else
{
if(SETTING_MODE == 1 && twinkle > 40)
{
lcd_display[0] = 0x10;
lcd_display[1] = 0x10;
}
else
{
lcd_display[0] = datetime.year / 10;
lcd_display[1] = datetime.year % 10;
}
lcd_display[2] = 0x10;
if(SETTING_MODE == 2 && twinkle > 40)
{
lcd_display[3] = 0x10;
lcd_display[4] = 0x10;
}
else
{
lcd_display[3] = datetime.month / 10;
lcd_display[4] = datetime.month % 10;
}
lcd_display[5] = 0x10;
if(SETTING_MODE == 3 && twinkle > 40)
{
lcd_display[6] = 0x10;
lcd_display[7] = 0x10;
}
else
{
lcd_display[6] = datetime.day / 10;
lcd_display[7] = datetime.day % 10;
}
}
for(i=0; i<8; i++)
{
DT_BS = high;
DT_DATA = LED_SS_DATA[i];
DT_BS = low;
DT_SS = high;
DT_DATA = CC_LED_DATA[lcd_display[i]];
DT_SS = low;
delay();
DT_BS = high;
DT_DATA = 0xFF;
DT_BS = low;
}
twinkle = twinkle > 80 ? 0 : ++twinkle;
}