Timer with CD74HC164E and LED display 4-digits 7-segments

1/*afisaj led*/
2
3int clockPin = 8;
4int dataPin  = 9;
5unsigned  long moment;
6int zecm;
7int unim;
8int zecs;
9int unis;
10
11//Matricea  digitilor - 0 la 9
12byte num[] = {
13  B00000011, // Zero
14  B10011111, //  One
15  B00100101, // Two
16  B00001101, // Three
17  B10011001, // Four
18  B01001001, // Five
19  B01000001, // Six
20  B00011111, // Seven
21  B00000001,  // Eight
22  B00001001, // Nine
23  B11111111, // None
24};
25byte dig[] = {
26  B10000000, // One
27  B01000000, // Two
28  B00100000, // Three
29  B00010000,  // Four
30};
31byte nump[] = {
32  B00000010, // Zero
33  B10011110, // One
34  B00100100, // Two
35  B00001100, // Three
36  B10011000, // Four
37  B01001000,  // Five
38  B01000000, // Six
39  B00011110, // Seven
40  B00000000, // Eight
41  B00001000, // Nine
42};
43
44void setup() {
45  pinMode(clockPin, OUTPUT);
46  pinMode(dataPin, OUTPUT);
47
48}
49
50void loop() {
51  moment = millis();
52  zecm = (moment / 600000) % 10;
53  unim = (moment / 60000) % 10;
54  zecs =  ((moment % 60000) / 10000) % 10;
55  unis = ((moment % 60000) / 1000) % 10;
56  //zeci de secunde
57  shiftOut(dataPin, clockPin, LSBFIRST, ~dig[0]);
58  shiftOut(dataPin,  clockPin, LSBFIRST, ~num[zecm]);
59  delay(5);
60  //secunde
61  shiftOut(dataPin,  clockPin, LSBFIRST, ~dig[1]);
62  shiftOut(dataPin, clockPin, LSBFIRST, ~nump[unim]);
63  delay(5);
64  //zecimi de secunda
65  shiftOut(dataPin, clockPin, LSBFIRST,  ~dig[2]);
66  shiftOut(dataPin, clockPin, LSBFIRST, ~num[zecs]);
67  delay(5);
68  //sutimi de secunda
69  shiftOut(dataPin, clockPin, LSBFIRST, ~dig[3]);
70  shiftOut(dataPin,  clockPin, LSBFIRST, ~num[unis]);
71  delay(5);
72}