forked from tgiv014/ECE441-Project-2
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathsev_seg_decoder.v
More file actions
168 lines (163 loc) · 2.99 KB
/
sev_seg_decoder.v
File metadata and controls
168 lines (163 loc) · 2.99 KB
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
/*================================================
Thomas Gorham
ECE 441 Spring 2017
Project 2 - Clock divider
Description: This module divides the input clk
signal frequency by 50000000.
For example, when inputting 50MHz, the resulting
frequency is 1Hz and period is 1 second.
================================================*/
`timescale 100 ns / 1 ns
module sevseg_decoder(val, a, b, c, d, e, f, g);
input [3:0] val;
output reg a, b, c, d, e, f, g;
parameter led_on = 1'b0;
parameter led_off = 1'b1;
always @(val)
case (val)
4'h0: begin
a = led_on;
b = led_on;
c = led_on;
d = led_on;
e = led_on;
f = led_on;
g = led_off;
end
4'h1: begin
a = led_off;
b = led_on;
c = led_on;
d = led_off;
e = led_off;
f = led_off;
g = led_off;
end
4'h2: begin
a = led_on;
b = led_on;
c = led_off;
d = led_on;
e = led_on;
f = led_off;
g = led_on;
end
4'h3: begin
a = led_on;
b = led_on;
c = led_on;
d = led_on;
e = led_off;
f = led_off;
g = led_on;
end
4'h4: begin
a = led_off;
b = led_on;
c = led_on;
d = led_off;
e = led_off;
f = led_on;
g = led_on;
end
4'h5: begin
a = led_on;
b = led_off;
c = led_on;
d = led_on;
e = led_off;
f = led_on;
g = led_on;
end
4'h6: begin
a = led_on;
b = led_off;
c = led_on;
d = led_on;
e = led_on;
f = led_on;
g = led_on;
end
4'h7: begin
a = led_on;
b = led_on;
c = led_on;
d = led_off;
e = led_off;
f = led_off;
g = led_off;
end
4'h8: begin
a = led_on;
b = led_on;
c = led_on;
d = led_on;
e = led_on;
f = led_on;
g = led_on;
end
4'h9: begin
a = led_on;
b = led_on;
c = led_on;
d = led_off;
e = led_off;
f = led_on;
g = led_on;
end
4'hA: begin
a = led_on;
b = led_on;
c = led_on;
d = led_off;
e = led_on;
f = led_on;
g = led_on;
end
4'hB: begin
a = led_off;
b = led_off;
c = led_on;
d = led_on;
e = led_on;
f = led_on;
g = led_on;
end
4'hC: begin
a = led_on;
b = led_off;
c = led_off;
d = led_on;
e = led_on;
f = led_on;
g = led_off;
end
4'hD: begin
a = led_off;
b = led_on;
c = led_on;
d = led_on;
e = led_on;
f = led_off;
g = led_on;
end
4'hE: begin
a = led_on;
b = led_off;
c = led_off;
d = led_on;
e = led_on;
f = led_on;
g = led_on;
end
default: begin
a = led_on;
b = led_off;
c = led_off;
d = led_off;
e = led_on;
f = led_on;
g = led_on;
end
endcase
endmodule