dcs原理:
在发射时,mcu设定发送波特率为134.4,从io口一位一位移出调制到vco。
在接收时,mcu收下整串代码后进行比较,匹配则打开音频pa。
dcs 格式如下:
num dec
1 11101100011100000010011
2 11010110111100000010101
3 11001011101100000010110
4 10100011111100000011001
5 10111110101100000011010
6 10110110110100000100011
7 00011111101100000100111
8 11111001010100000101001
9 11011110100100000101100
10 10111010001100000110101
11 11001111001100000111001
12 11010010011100000111010
13 01011100110100000111011
14 11101000111100000111100
15 01101011110100001001100
16 11100101011100001001101
17 11111000001100001001110
18 00001111011100001010101
19 01111010011100001011001
20 01100111001100001011010
21 01011101101100001011100
22 01101111010100001100011
23 00111101100100001101010
24 10001001101100001101101
25 10010100111100001101110
26 11010111100100001110010
27 01100011101100001110101
28 00001011111100001111010
29 00110001011100001111100
30 11011101001100010000101
31 11010001110100010010011
32 11110110000100010010110
33 10001011011100010100011
34 00111111010100010100100
35 10110001111100010100101
36 11000100111100010101001
37 00101110111100010110001
38 10111101000100010110011
39 10000111100100010110101
40 11110010100100010111001
41 00011001111100011000110
42 01110001101100011001001
43 11011000110100011001101
44 01000111110100011011001
45 01010010111100011100011
46 01110101001100011100110
47 00011101011100011101001
48 11010000101100011110100
49 01011110000100011110101
50 00101011000100011111001
51 11101110110100100001001
52 11110011100100100001010
53 01111101001100100001011
54 10010111001100100010011
55 11011000101100100011001
56 11000101111100100011010
57 11110111000100100100101
58 01001111110100100110100
59 11000001011100100110101
60 11011100001100100110110
61 01111000110100101000011
62 01011111000100101000110
63 10000011011100101001110
64 00011100011100101011010
65 00110011110100101100110
66 00011000111100101110101
67 10111011001100110000110
68 11001110001100110001010
69 00011110101100110010100
70 00000011111100110010111
71 11100101000100110011001
72 11111000010100110011010
73 10011000011100110101100
74 01001000111100110110010
75 01110010011100110110100
76 01000101011100111000011
77 00010111101100111001010
78 01110011000100111010011
79 00111100100100111011001
80 00100001110100111011010
81 00011011010100111011100
82 00101001101100111100011
83 01000001111100111101100