1 #include <EEPROM.h>
2 int led=2;
3 int jia=3;
4 int jian=4;
5
6 int temp=0;
7 int t=22;//设定的秒
8 int t_t=0;
9 int addr = 1;//保存数据的地址
10
11 void panduan(void);
12 void pd_io(void);
13 //void pd_baocun(addr,t,t_t);
14
15 void setup() {
16 pinMode(jia, INPUT_PULLUP);
17 pinMode(jian, INPUT_PULLUP);
18 pinMode(led, OUTPUT);
19 temp=millis()/1000;
20 t_t=EEPROM.read(addr);
21 if(t_t<250 || t_t>1)
22 {t=t_t;}
23 else
24 t_t=t;
25 }
26
27 void loop()
28 {
29 //pd_baocun(addr,t,t_t);
30
31 if(millis()/1000 >(t-2) )
32 {
33
34 if(t_t!=t){ EEPROM.write(addr,t);}
35 }
36 panduan();
37 pd_io();
38 }
39
40
41
42 void pd_io(void)
43 {
44 if(digitalRead(jia)==LOW)
45 {
46 delay(15);
47 if(digitalRead(jia)==LOW)
48 {
49 t++;
50
51 }
52 }
53 if(digitalRead(jian)==LOW)
54 {
55 delay(15);
56 if(digitalRead(jian)==LOW)
57 {
58 t--;
59
60 }
61 }
62
63 }
64
65
66 void panduan(void)
67 {
68
69 if(millis()/1000 >t)
70 {
71 digitalWrite(led, HIGH);
72 }
73 else
74 digitalWrite(led, LOW);
75 }
