Interfacing a 4-Digit 7-Segment Display

1#include <SevSeg.h>
2
3int pinA = 2;int pinB = 3;int pinC = 4;int  pinD = 5;
4int pinE = 11;int pinF = 12;int pinG = 13;
5int pinDP = 6;int D1  = 7;int D2 = 8;int D3 = 9; int D4 = 10;
6
7void setup() {//set all segments  & digits as outputs
8pinMode(pinA, OUTPUT);
9pinMode(pinB, OUTPUT);
10pinMode(pinC,  OUTPUT);
11pinMode(pinD, OUTPUT);
12pinMode(pinE, OUTPUT);
13pinMode(pinF, OUTPUT);
14pinMode(pinG,  OUTPUT);
15pinMode(D1, OUTPUT);
16pinMode(D2, OUTPUT);
17pinMode(D3, OUTPUT);
18pinMode(D4,  OUTPUT);
19}
20
21void loop() {
22  
23  digit1();zero();delay(500);
24  digit2();one();delay(500);
25  digit3();two();delay(500);
26  digit4();three();delay(500);
27  digit3();four();delay(500);
28  digit2();five();delay(500);
29  digit1();six();delay(500);
30  digit2();seven();delay(500);
31  digit3();eight();delay(500);
32  digit4();nine();delay(500);
33 
34  all4Digits();
35  allNumbers();
36
37}
38
39
40//functions representing numbers 0-9
41void  zero(){
42digitalWrite(pinA, LOW);
43digitalWrite(pinB, LOW);
44digitalWrite(pinC,  LOW);
45digitalWrite(pinD, LOW);
46digitalWrite(pinE, LOW);
47digitalWrite(pinF,  LOW);
48digitalWrite(pinG, HIGH);
49  }
50
51  void one(){
52digitalWrite(pinA,  HIGH);
53digitalWrite(pinB, LOW);
54digitalWrite(pinC, LOW);
55digitalWrite(pinD,  HIGH);
56digitalWrite(pinE, HIGH);
57digitalWrite(pinF, HIGH);
58digitalWrite(pinG,  HIGH);
59}
60
61void two(){
62  digitalWrite(pinA, LOW);
63digitalWrite(pinB,  LOW);
64digitalWrite(pinC, HIGH);
65digitalWrite(pinD, LOW);
66digitalWrite(pinE,  LOW);
67digitalWrite(pinF, HIGH);
68digitalWrite(pinG, LOW);
69  }
70  
71  void three(){
72    digitalWrite(pinA, LOW);
73digitalWrite(pinB, LOW);
74digitalWrite(pinC,  LOW);
75digitalWrite(pinD, LOW);
76digitalWrite(pinE, HIGH);
77digitalWrite(pinF,  HIGH);
78digitalWrite(pinG, LOW);
79    }
80    
81  void four(){
82    digitalWrite(pinA,  HIGH);
83digitalWrite(pinB, LOW);
84digitalWrite(pinC, LOW);
85digitalWrite(pinD,  HIGH);
86digitalWrite(pinE, HIGH);
87digitalWrite(pinF, LOW);
88digitalWrite(pinG,  LOW);
89    }
90    
91  void five(){
92    digitalWrite(pinA, LOW);
93digitalWrite(pinB,  HIGH);
94digitalWrite(pinC, LOW);
95digitalWrite(pinD, LOW);
96digitalWrite(pinE,  HIGH);
97digitalWrite(pinF, LOW);
98digitalWrite(pinG, LOW);
99    }
100    
101  void six(){
102    digitalWrite(pinA, LOW);
103digitalWrite(pinB, HIGH);
104digitalWrite(pinC,  LOW);
105digitalWrite(pinD, LOW);
106digitalWrite(pinE, LOW);
107digitalWrite(pinF,  LOW);
108digitalWrite(pinG, LOW);
109    }
110    
111  void seven(){
112    digitalWrite(pinA,  LOW);
113digitalWrite(pinB, LOW);
114digitalWrite(pinC, LOW);
115digitalWrite(pinD,  HIGH);
116digitalWrite(pinE, HIGH);
117digitalWrite(pinF, HIGH);
118digitalWrite(pinG,  HIGH);
119    }
120    
121  void eight(){
122    digitalWrite(pinA, LOW);
123digitalWrite(pinB,  LOW);
124digitalWrite(pinC, LOW);
125digitalWrite(pinD, LOW);
126digitalWrite(pinE,  LOW);
127digitalWrite(pinF, LOW);
128digitalWrite(pinG, LOW);
129    }
130    
131  void nine(){
132    digitalWrite(pinA, LOW);
133digitalWrite(pinB, LOW);
134digitalWrite(pinC,  LOW);
135digitalWrite(pinD, HIGH);
136digitalWrite(pinE, HIGH);
137digitalWrite(pinF,  LOW);
138digitalWrite(pinG, LOW);
139    }
140
141    void allNumbers(){
142      one();delay(500);
143two();delay(500);
144three();delay(500);
145four();delay(500);
146five();delay(500);
147six();delay(500);
148seven();delay(500);
149eight();delay(500);
150nine();delay(500);
151      }
152
153  void turnOffAllSegments(){
154          digitalWrite(pinA, LOW);
155digitalWrite(pinB,  LOW);
156digitalWrite(pinC, LOW);
157digitalWrite(pinD, LOW);
158digitalWrite(pinE,  LOW);
159digitalWrite(pinF, LOW);
160digitalWrite(pinG, LOW);
161          }
162
163
164    //functions to select individual digits on the display
165    void digit1(){
166      digitalWrite(D1, HIGH);
167digitalWrite(D2, LOW);
168digitalWrite(D3, LOW);
169digitalWrite(D4,  LOW);
170      }
171      
172    void digit2(){
173      digitalWrite(D1, LOW);
174digitalWrite(D2,  HIGH);
175digitalWrite(D3, LOW);
176digitalWrite(D4, LOW);
177      }
178      
179    void digit3(){
180      digitalWrite(D1, LOW);
181digitalWrite(D2, LOW);
182digitalWrite(D3,  HIGH);
183digitalWrite(D4, LOW);
184      }
185      
186    void digit4(){
187      digitalWrite(D1, LOW);
188digitalWrite(D2, LOW);
189digitalWrite(D3, LOW);
190digitalWrite(D4,  HIGH);
191      }
192
193      void all4Digits(){
194        digitalWrite(D1, HIGH);
195digitalWrite(D2,  HIGH);
196digitalWrite(D3, HIGH);
197digitalWrite(D4, HIGH);
198        }
199        
200