-
Notifications
You must be signed in to change notification settings - Fork 0
/
lcd_7bit_font.go
111 lines (100 loc) · 1.79 KB
/
lcd_7bit_font.go
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
package main
import "bytes"
var font = map[byte]uint8{
'0': 0b0111111,
'1': 0b0000110,
'2': 0b1011011,
'3': 0b1001111,
'4': 0b1100110,
'5': 0b1101101,
'6': 0b1111101,
'7': 0b0100111,
'8': 0b1111111,
'9': 0b1101111,
'A': 0b1110111,
'B': 0b1111111,
'C': 0b0111001,
'D': 0b0111111,
'E': 0b1111001,
'F': 0b1110001,
'G': 0b0111101,
'H': 0b1110110,
'I': 0b0110000,
'J': 0b0001110,
'K': 0b1110101,
'L': 0b0111000,
'M': 0b0010101,
'N': 0b0110111,
'O': 0b0111111,
'P': 0b1110011,
'Q': 0b0111111,
'R': 0b1110111,
'S': 0b1101101,
'T': 0b1111000,
'U': 0b0111110,
'V': 0b0111110,
'W': 0b0101010,
'X': 0b1001001,
'Y': 0b1101110,
'Z': 0b1011011,
'a': 0b1011111,
'b': 0b1111100,
'c': 0b1011000,
'd': 0b1011110,
'e': 0b1111011,
'f': 0b1110001,
'g': 0b1101111,
'h': 0b1110100,
'i': 0b0010000,
'j': 0b0001100,
'k': 0b1110101,
'l': 0b0110000,
'm': 0b0010100,
'n': 0b1010100,
'o': 0b1011100,
'p': 0b1110011,
'q': 0b1100111,
'r': 0b1010000,
's': 0b1101101,
't': 0b1111000,
'u': 0b0011100,
'v': 0b0011100,
'w': 0b0010100,
'x': 0b1001000,
'y': 0b1101110,
'z': 0b1011011,
':': 0b0001001,
'-': 0b1000000,
')': 0b0001111,
'(': 0b0111001,
' ': 0,
'.': 0b0001000,
'"': 0b0100010,
'_': 0b0001000,
'\'': 0b0100000,
}
var dotted = []byte("QRUu")
func lcd7bitRender(text []byte) []uint8 {
data := make([]uint8, len(text))
for i := range text {
data[i] = lcd7bitLetter(text[i])
}
return data
}
func lcd7bitLetter(c byte) uint8 {
if i, ok := font[c]; ok {
return i
}
return 0
}
func lcd7bitRenderDots(text []byte) []uint8 {
data := []uint8{0, 0}
for i := range text {
if !bytes.ContainsRune(dotted, rune(text[i])) {
continue
}
r := i / 7
data[r] = data[r] | (1 << (i % 7))
}
return data
}