Arduino seven segment clock

1#include "LedControl.h"
2
3/*
4 Now we need a LedControl to work
5  with.
6 pin 12 is connected to the DataIn 
7 pin 11 is connected to LOAD 
8
9  pin 10 is connected to the CLK
10 */
11LedControl lc=LedControl(12,10,11,1);
12const
13  int seth = 4;
14const int setm = 3;
15const int setc = 2;
16
17int second ;
18
19  int minute ;
20int hour ;
21
22int correction = 0;
23
24
25unsigned long previousMillis
26  = 0;
27const long interval = 1000;
28 
29  
30void setup() {
31  lc.shutdown(0,false);
32
33  lc.setIntensity(0,12);
34  lc.clearDisplay(0);
35}
36void loop() { 
37  if
38  (digitalRead(seth)== HIGH){
39   hour++;
40   delay(200);
41   if(hour>23){
42
43    hour=00;
44   }
45  }
46 if (digitalRead(setm)== HIGH){
47   minute++;
48
49   delay(200);
50   if(minute>59){
51    minute=00;
52   }
53  }
54   if (digitalRead(setc)==
55  HIGH){
56   correction++;
57   delay(200);
58   if(correction>59){
59    correction=00;
60
61   }
62  }
63 unsigned long currentMillis = millis();
64 if (currentMillis -
65  previousMillis >= interval) {
66   previousMillis = currentMillis;
67 second++;
68  
69 if(second>59)
70 {
71   minute++;
72   second=00;
73 }
74 if(minute>59)
75
76  {
77   hour++;
78   minute=00;
79   second = second + correction;
80 }
81 if(hour>23)
82  { hour=00; minute=00; second=correction; }
83 }
84
85lc.setDigit(0,1,hour % 10,true);
86lc.setDigit(0,0,(hour
87  - hour % 10) / 10,false);
88lc.setDigit(0,3,minute % 10,false);
89lc.setDigit(0,2,(minute
90  - minute % 10) / 10,false);
91lc.setDigit(0,5,second % 10,true);
92lc.setDigit(0,4,(second
93  - second % 10) / 10,false);
94lc.setDigit(0,7,correction % 10,false);
95lc.setDigit(0,6,(correction
96  - correction % 10) / 10,false);  
97}
98

1#include "LedControl.h"
2
3/*
4 Now we need a LedControl to work  with.
5 pin 12 is connected to the DataIn 
6 pin 11 is connected to LOAD 
7  pin 10 is connected to the CLK
8 */
9LedControl lc=LedControl(12,10,11,1);
10const  int seth = 4;
11const int setm = 3;
12const int setc = 2;
13
14int second ;
15  int minute ;
16int hour ;
17
18int correction = 0;
19
20
21unsigned long previousMillis  = 0;
22const long interval = 1000;
23 
24  
25void setup() {
26  lc.shutdown(0,false);
27  lc.setIntensity(0,12);
28  lc.clearDisplay(0);
29}
30void loop() { 
31  if  (digitalRead(seth)== HIGH){
32   hour++;
33   delay(200);
34   if(hour>23){
35    hour=00;
36   }
37  }
38 if (digitalRead(setm)== HIGH){
39   minute++;
40   delay(200);
41   if(minute>59){
42    minute=00;
43   }
44  }
45   if (digitalRead(setc)==  HIGH){
46   correction++;
47   delay(200);
48   if(correction>59){
49    correction=00;
50   }
51  }
52 unsigned long currentMillis = millis();
53 if (currentMillis -  previousMillis >= interval) {
54   previousMillis = currentMillis;
55 second++;  
56 if(second>59)
57 {
58   minute++;
59   second=00;
60 }
61 if(minute>59)
62  {
63   hour++;
64   minute=00;
65   second = second + correction;
66 }
67 if(hour>23)  { hour=00; minute=00; second=correction; }
68 }
69
70lc.setDigit(0,1,hour % 10,true);
71lc.setDigit(0,0,(hour  - hour % 10) / 10,false);
72lc.setDigit(0,3,minute % 10,false);
73lc.setDigit(0,2,(minute  - minute % 10) / 10,false);
74lc.setDigit(0,5,second % 10,true);
75lc.setDigit(0,4,(second  - second % 10) / 10,false);
76lc.setDigit(0,7,correction % 10,false);
77lc.setDigit(0,6,(correction  - correction % 10) / 10,false);  
78}
79