-
Notifications
You must be signed in to change notification settings - Fork 43
/
mic-jammer.ino
212 lines (196 loc) · 15.3 KB
/
mic-jammer.ino
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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/*
* Antispy ultrasonic device for preventing voice recording
* with ultrasonic waves generation based on ARDUINO DIGISPARK,
* connections :
* TPA3116D2 / PAM8403 module AUDIO LEFT INPUT connected to Port 2 of DIGISPARK
* TPA3116D2 / PAM8403 module AUDIO RIGHT INPUT connected to Port 1 of DIGISPARK
* TPA3116D2 / PAM8403 module AUDIO GROUND INPUT connected to Port 0 of DIGISPARK
* 10 piezzo-electric ultrasonic transducers connected in parallel to TPA3116D2 / PAM8403 OUTPUT LEFT
* 10 piezzo-electric ultrasonic transducers connected in parallel to TPA3116D2 / PAM8403 OUTPUT RIGHT
* (C) Adam Loboda 2021, [email protected]
*/
#include <stdint.h>
#include <util/delay.h>
#include <stdbool.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
// PIN - PORT ASSIGNMENT DEFINITION FOR OUTPUT
#define OUTPUTPORT PORTB
#define OUTPUTPORTCTRL DDRB
// created in Excell / Libreoffice - will randomly
// swing pulse width to achieve noise effect around the center 25kHz frequrency
const uint8_t randomized[] PROGMEM =
{
20,50,60,69,44,24,49,27,36,58,45,47,68,53,63,62,46,66,70,19,41,32,67,19,38,35,55,60,22,68,29,24,64,
29,55,19,12,30,32,36,21,46,63,32,42,11,58,38,21,46,40,39,65,28,16,42,54,63,24,19,40,18,40,19,36,16,
40,43,37,41,58,25,52,40,61,70,65,16,28,50,30,11,19,31,10,23,30,10,68,30,36,59,66,38,47,68,23,46,51,
39,46,25,31,45,64,49,22,21,13,51,19,64,69,21,59,22,40,32,67,28,31,37,10,61,39,41,48,17,70,53,11,39,
19,66,29,60,49,24,46,27,64,56,33,66,70,51,49,38,14,60,58,39,65,67,34,48,34,14,26,21,47,58,57,38,36,
37,21,17,47,63,63,63,44,54,12,48,29,57,70,35,10,59,22,20,23,26,48,22,64,70,23,40,17,51,16,46,13,51,
53,22,17,59,52,59,36,53,47,25,30,63,19,20,10,19,51,65,22,41,47,55,23,51,68,32,34,70,10,69,41,20,42,
30,49,70,60,70,64,18,37,65,61,38,58,43,23,54,67,51,30,28,14,25,24,46,35,26,50,67,18,57,45,18,11,64,
61,68,54,47,61,54,13,17,14,12,56,58,16,33,54,55,54,35,65,15,26,18,69,37,67,64,33,53,53,38,49,32,16,
68,61,69,56,26,59,48,10,44,63,17,19,18,22,18,51,54,39,11,65,40,50,10,30,15,64,69,68,34,18,48,41,56,
35,19,50,66,10,64,58,13,56,42,17,27,40,14,60,67,33,50,26,61,44,65,24,43,41,55,56,59,41,40,58,19,56,
68,65,18,19,37,58,34,48,14,14,12,15,66,69,33,64,47,62,65,30,26,21,53,12,45,50,38,10,30,23,40,40,51,
37,43,13,27,60,54,24,64,21,66,60,57,19,58,13,43,63,52,23,24,46,54,39,49,25,35,15,25,34,22,32,66,21,
19,52,51,33,49,18,50,23,43,48,67,41,21,46,14,40,24,12,51,46,17,46,25,24,13,36,15,18,28,62,28,28,63,
59,58,64,66,54,19,42,63,64,23,41,67,10,11,65,39,15,33,16,55,10,50,50,43,70,55,34,29,50,32,56,16,35,
45,20,52,29,45,53,23,26,35,33,56,40,28,59,59,46,17,45,48,68,62,44,29,52,11,31,41,39,56,64,26,23,20,
15,63,63,22,17,36,22,37,19,24,42,51,56,69,64,31,56,29,26,53,29,53,39,11,27,41,32,63,40,20,52,69,15,
36,54,61,27,23,56,49,59,14,64,11,53,27,21,31,14,62,14,57,32,46,68,63,38,65,46,60,14,57,50,12,20,30,
39,25,50,23,34,56,23,54,24,47,58,54,36,27,30,55,50,51,12,34,11,35,46,30,15,34,15,65,15,11,60,41,54,
12,41,27,13,53,54,54,51,62,47,23,31,25,24,45,69,38,53,32,51,67,67,35,25,48,55,55,68,21,51,51,35,32,
37,47,51,47,69,37,54,32,32,37,27,44,54,29,61,45,52,54,36,44,69,65,68,18,31,36,31,57,69,64,18,37,34,
36,54,66,36,16,13,19,65,29,56,45,38,40,57,61,65,24,56,32,55,44,46,28,37,29,61,63,60,49,23,10,21,13,
23,38,24,36,41,11,12,37,70,67,67,38,31,56,48,39,31,65,38,66,30,63,29,10,65,28,23,54,46,61,34,29,11,
52,15,15,34,28,40,16,29,36,39,52,37,53,23,27,66,57,57,25,37,57,37,28,44,64,34,30,17,41,51,15,47,36,
67,59,68,48,67,41,56,21,62,69,48,31,48,46,62,55,36,24,51,32,47,34,30,48,29,16,42,62,26,14,32,46,70,
29,47,56,25,44,62,42,23,62,61,40,47,45,45,47,65,66,15,28,47,59,17,37,56,10,60,52,31,65,18,55,58,62,
69,28,34,58,56,46,68,47,67,37,50,29,65,16,42,42,53,21,64,37,68,40,13,12,33,14,44,59,22,49,43,22,42,
17,14,33,35,41,36,41,40,35,14,34,25,26,19,10,44,70,47,33,35,18,50,65,47,43,26,68,47,30,25,49,22,57,
38,29,70,16,38,14,68,70,18,19,22,34,31,20,60,23,41,32,22,20,40,31,52,17,58,62,26,14,50,57,13,58,59,
44,12,38,48,18,42,14,49,53,44,62,48,38,59,32,41,45,35,50,67,63,47,28,32,11,48,32,27,21,34,31,27,58,
49,28,66,47,40,38,51,58,59,19,48,41,24,17,66,70,12,62,54,23,19,43,42,20,67,30,47,39,26,14,49,60,25,
12,44,29,26,17,45,34,61,12,54,47,14,30,57,70,23,25,15,67,38,27,11,12,15,18,65,46,22,20,23,64,45,24,
35,69,26,32,68,68,34,68,20,51,12,21,23,33,17,26,68,46,25,58,65,69,37,57,18,64,23,14,41,60,46,35,58,
32,56,23,51,60,55,35,11,23,70,50,15,47,10,61,14,33,10,67,57,11,46,30,36,61,47,24,12,67,57,68,70,59,
20,17,53,68,66,59,29,24,28,41,69,12,12,64,44,19,50,46,61,70,21,29,13,17,39,50,23,56,23,20,18,34,25,
15,38,61,40,54,36,33,45,26,34,14,60,43,33,16,15,62,70,52,61,63,67,19,22,53,42,31,66,18,44,12,58,64,
27,45,21,52,10,10,60,48,27,27,44,26,66,49,27,31,69,35,22,44,41,28,64,16,67,22,23,45,65,21,24,65,11,
27,21,55,36,17,25,59,30,24,28,61,56,18,49,55,58,18,26,58,38,38,39,44,53,62,66,15,50,54,52,10,50,33,
69,70,53,66,35,41,32,17,10,22,29,18,48,44,27,47,12,20,48,57,27,49,50,45,11,27,19,15,49,10,24,43,59,
12,28,52,69,15,11,40,42,40,36,35,60,54,44,56,26,68,48,15,25,68,59,17,19,11,21,34,38,65,36,27,12,62,
50,35,41,18,66,58,57,64,69,49,48,10,45,25,25,68,60,34,38,53,67,15,39,39,67,25,26,64,41,32,61,45,52,
15,32,29,26,67,18,69,36,57,58,40,44,48,10,44,51,69,25,14,30,26,27,41,50,58,44,43,42,46,14,32,19,27,
56,47,11,47,11,67,47,49,30,42,61,12,59,48,10,49,64,50,35,52,36,36,33,62,43,18,49,40,11,11,14,41,24,
30,47,62,48,57,62,67,54,64,40,39,35,31,43,46,59,47,58,48,12,40,12,12,35,16,59,18,35,12,59,41,41,49,
45,61,36,47,42,49,37,63,17,23,55,52,31,45,24,51,12,22,41,34,65,19,61,15,21,36,61,51,25,41,58,14,45,
35,15,51,31,18,35,61,51,56,70,63,52,24,68,11,19,47,50,59,57,14,24,28,39,12,22,20,19,61,36,63,22,34,
39,25,68,22,28,14,49,57,70,41,51,56,45,45,37,57,24,23,33,28,44,24,15,39,28,23,49,58,46,60,64,16,35,
44,13,43,69,40,70,56,40,55,36,59,42,39,51,35,13,38,58,10,21,16,57,20,64,20,50,25,25,25,10,16,46,45,
47,27,19,59,56,55,51,69,34,63,34,50,70,10,27,11,67,44,52,40,43,69,24,24,68,37,15,53,49,47,53,36,57,
54,25,40,22,42,35,65,42,65,39,66,30,49,69,50,47,31,23,61,68,41,34,16,61,28,53,29,36,18,49,63,63,68,
70,65,60,61,44,17,57,34,19,55,21,25,12,68,20,68,17,61,49,25,62,45,65,58,57,26,49,57,51,55,31,60,11,
14,58,67,26,55,51,60,54,46,11,21,17,60,14,51,24,21,16,13,48,18,46,29,42,54,56,46,48,69,14,66,29,60,
21,22,22,31,41,52,25,34,56,37,61,15,10,14,63,45,30,29,23,57,17,40,47,44,61,15,63,12,65,57,33,10,23,
41,43,16,56,29,33,19,24,45,50,60,17,67,21,17,51,30,45,16,40,69,37,47,40,21,15,21,57,31,62,43,53,16,
53,21,14,44,68,35,22,64,24,68,59,23,41,70,31,23,20,26,65,53,52,41,27,65,58,13,28,31,41,39,62,50,57,
26,55,47,14,41,16,18,53,62,20,52,12,49,58,27,31,22,25,44,17,32,37,16,20,59,22,70,49,58,25,53,58,69,
17,26,51,31,48,38,13,45,33,14,36,37,59,44,26,44,30,58,29,20,38,41,53,31,66,61,13,58,10,63,37,44,17,
51,17,14,46,57,29,63,45,31,24,42,19,67,62,47,69,13,29,17,37,52,39,34,22,29,46,29,50,21,65,34,50,26,
26,57,67,41,62,67,28,23,32,32,22,50,62,55,68,38,64,11,41,27,50,37,36,49,12,29,20,37,33,43,34,17,69,
28,56,48,61,10,24,25,70,68,60,15,57,53,50,35,41,70,36,30,69,38,34,54,31,18,39,28,13,11,24,21,47,29,
41,41,45,67,22,53,32,56,33,33,17,58,29,48,65,24,11,70,26,25,39,32,38,60,57,60,50,69,68,49,28,44,23,
27,12,60,68,54,45,54,11,29,56,50,35,60,26,70,38,23,20,39,58,38,52,26,39,52,27,41,65,27,13,31,65,53,
53,70,61,11,51,52,11,34,20,59,42,24,50,45,45,45,46,63,12,20,65,11,13,27,69,53,31,16,16,55,46,64,42,
35,59,35,50,24,64,18,60,36,29,49,52,24,25,47,24,13,48,69,25,25,26,16,34,67,34,27,42,65,33,13,68,26,
67,46,14,70,19,38,41,12,62,60,38,22,55,46,60,35,19,70,24,38,23,55,26,62,51,21,32,35,14,22,67,14,12,
54,69,31,36,56,50,61,18,32,44,18,51,51,58,46,56,45,63,10,22,46,68,29,50,62,17,66,42,56,19,41,44,41,
42,63,63,60,22,54,25,62,56,26,24,11,60,11,26,14,11,20,23,42,14,41,68,16,29,35,23,64,20,55,11,55,50,
33,24,59,55,43,49,66,19,30,42,69,14,10,22,36,41,56,42,56,37,60,35,37,22,43,18,46,28,58,57,70,38,59,
43,47,41,25,61,37,18,62,66,61,26,23,41,70,14,46,46,46,51,37,40,38,50,20,32,57,52,35,38,54,41,70,39,
33,38,67,29,52,48,19,57,29,18,25,20,24,52,13,46,36,35,60,13,35,25,62,68,33,66,18,37,31,65,51,36,38,
58,57,58,29,56,69,22,30,26,69,70,40,56,15,34,23,33,13,63,27,55,14,56,50,70,44,63,49,48,36,57,52,50,
42,14,44,70,35,30,35,61,35,58,28,64,69,66,65,40,39,68,46,22,45,64,68,43,68,19,10,49,29,39,55,18,19,
54,29,16,62,43,32,14,54,10,69,58,39,38,22,59,70,26,19,61,63,26,65,58,52,61,43,48,47,64,24,17,49,35,
58,15,69,35,23,53,69,56,41,45,10,44,60,17,13,27,24,24,52,21,50,17,34,38,18,60,50,62,26,41,35,28,54,
40,35,12,41,67,50,57,32,34,33,42,59,17,35,40,27,56,54,66,38,38,25,22,67,10,40,29,56,39,61,61,32,51,
45,46,26,38,19,43,18,65,60,12,53,32,15,57,55,52,49,34,48,67,38,61,68,37,46,65,50,29,28,54,30,58,38,
46,15,19,46,23,54,13,32,39,32,17,33,18,55,14,50,13,23,21,27,12,57,28,37,46,66,31,24,52,17,63,39,13,
41,37,68,28,38,33,45,58,63,66,56,33,34,25,12,70,26,33,46,67,58,61,15,30,68,30,36,21,66,10,55,20,16,
69,66,56,68,69,39,12,30,50,63,53,19,42,22,69,13,39,43,16,43,15,10,40,35,10,63,64,34,22,39,60,44,58,
26,66,41,67,51,56,52,29,28,39,49,49,40,60,23,42,17,22,20,14,55,40,12,35,44,34,32,69,28,45,29,52,50,
25,31,16,64,32,11,48,16,49,38,58,70,57,43,36,14,32,18,55,39,50,66,37,24,27,40,38,47,19,31,35,26,19,
69,26,11,19,53,39,15,65,58,24,15,58,44,36,51,55,39,27,32,67,53,19,39,20,35,34,11,12,23,15,41,38,40,
24,35,32,29,46,42,24,58,69,29,22,70,17,45,62,51,35,52,20,26,33,16,28,52,13,52,21,20,29,24,11,42,55,
35,51,44,38,67,21,11,50,35,50,26,36,68,53,25,18,11,61,67,62,45,70,30,10,67,66,15,66,58,57,46,47,29,
22,52,14,15,24,17,35,41,34,40,58,40,38,33,10,13,49,68,33,39,31,28,28,45,24,53,30,64,24,11,44,17,62,
19,38,44,39,20,53,38,14,43,27,27,28,18,38,47,56,68,28,64,59,38,17,62,37,28,61,13,37,55,60,36,45,65,
17,61,54,19,49,15,50,10,46,10,60,65,45,50,23,28,19,58,11,30,63,25,48,61,34,23,30,27,11,11,26,44,53,
22,20,14,40,44,63,38,50,56,28,12,45,70,29,49,34,59,39,60,39,43,50,65,54,23,44,43,59,68,31,32,58,51,
66,11,61,60,43,26,28,22,38,12,48,66,46,64,57,31,22,33,25,32,58,62,47,44,25,62,47,65,49,29,40,30,28,
16,55,45,69,15,31,67,13,61,16,13,43,69,41,23,70,62,59,57,63,39,46,36,40,27,50,38,63,60,65,35,23,32,
31,55,23,67,70,70,40,55,69,70,10,57,64,29,60,11,48,30,65,51,45,62,57,54,20,36,20,17,61,48,50,12,21,
39,22,56,42,26,61,39,45,58,10,49,29,12,62,37,38,47,45,48,17,33,40,37,25,56,62,44,63,55,54,31,45,65,
31,61,10,65,25,34,17,25,57,39,41,48,64,37,11,23,56,60,10,35,41,47,17,20,55,31,19,60,24,49,30,45,32,
62,43,60,25,41,26,27,38,52,32,35,56,47,23,14,66,17,64,56,26,56,16,69,36,11,67,64,31,35,70,39,50,38,
66,65,54,33,42,54,62,40,65,67,57,13,33,37,51,63,70,18,28,18,33,65,67,38,64,11,16,39,65,31,42,51,51,
68,11,13,57,13,31,12,12,66,59,39,12,32,43,49,60,18,24,63,40,39,50,45,10,10,50,67,36,45,62,13,64,56,
52,18,36,23,27,29,53,62,30,50,22,61,57,18,63,19,60,52,55,31,14,11,26,34,43,31,38,42,69,40,59,34,45,
41,51,60,67,17,43,64,40,70,45,31,60,39,52,30,43,20,59,47,20,56,59,56,21,15,65,46,26,58,29,48,25,20,
44,67,50,24,36,40,40,31,27,45,50,31,64,33,48,69,49,53,39,52,41,62,19,49,21,10,31,49,66,51,68,28,61,
55,40,19,22,51,23,61,32,49,41,57,24,29,35,29,10,58,46,68,12,65,20,65,58,40,11,60,46,19,49,39,25,30,
42,13,30,32,42,27,62,39,49,21,34,63,35,36,10,64,13,19,61,63,27,27,19,25,32,44,45,63,16,10,28,20,18,
24,12,47,51,31,62,43,66,16,22,62,62,44,32,23,27,56,24,47,53,68,63,52,16,70,51,36,50,38,54,53,50,57,
34,36,52,34,67,51,31,13,29,20,48,41,13,16,69,66,48,41,29,63,66,64,29,66,51,32,62,10,18,56,19,64,13,
55,50,55,24,68,19,61,27,34,37,14,29,62,43,46,24,66,70,52,66,19,69,16,36,47,63,70,53,58,30,19,65,33,
33,37,40,15,42,60,60,55,67,24,42,10,11,32,59,10,26,62,45,47,33,54,69,54,44,61,21,21,30,11,66,60,49,
60,31,62,68,60,49,44,33,55,39,46,26,36,22,39,15,50,60,15,55,14,54,38,25,42,31,30,45,46,41,21,45,56,
55,35,21,21,10,66,16,26,17,28,20,51,32,32,16,69,36,49,66,41,63,69,18,50,33,59,27,26,70,16,28,20,67,
54,69,26,47,53,55,58,23,12,45,57,39,34,32,40,29,10,46,48,14,64,54,47,20,39,40,62,23,66,27,35,55,11,
55,50,24,61,40,17,15,26,19,54,63,48,29,19,68,21,67,41,23,58,36,43,24,55,69,28,41,10,20,24,52,35,39,
29,69,40,24,10,65,33,18,62,18,70,23,33,27,42,13,48,38,34,49,68,69,31,28,53,54,56,58,52,20,58,67,55,
48,48,47,44,66,31,58,52,16,59,16,26,64,64,19,60,59,23,15,22,22,62,54,18,61,41,13,33,56,58,62,61,67,
54,41,22,46,29,36,18,64,54,36,69,36,46,24,41,18,64,62,64,32,22,26,27,70,68,30,37,47,38,46,15,66,51,
36,18,13,32,54,66,47,25,65,40,28,52,15,10,45,19,26,31,52,16,18,70,61,17,33,55,30,44,52,17,52,17,55,
57,58,22,14,64,39,52,57,50,14,38,11,31,62,55,11,60,62,29,38,35,58,40,25,20,57,41,44,28,39,32,21,53,
39,47,31,27,28,45,35,38,53,45,36,33,57,13,18,14,35,67,21,50,24,59,54,20,44,68,70,12,41,21,10,62,69,
37,56,68,34,39,43,15,44,53,11,70,50,67,45,16,60,63,53,46,52,54,24,66,31,48,41,22,30,70,16,33,51,19,
14,26,53,41,55,21,14,56,40,54,30,17,36,50,49,41,46,51,68,46,25,47,15,53,47,53,54,15,61,24,26,28,49,
44,56,22,56,11,58,64,46,69,35,61,27,61,13,34,23,37,45,59,11,30,22,65,47,15,16,64,28,60,66,41,27,29,
53,62,29,69,20,45,37,42,46,67,12,46,46,51,68,63,28,13,40,65,34,46,56,16,22,52,20,25,54,52,43,17,63,
59,21,66,53,33,50,10,31,65,15,48,55,32,35,25,42,21,35,60,15,44,39,25,18,50,23,60,62,20,15,36,24,66,
16,64,64,63,63,42,45,49,67,31,53,63,41,22,14,34,57,10,44,34,43,43,38,56,36,62,46,10,31,28,69,16,64,
56,46,33,32,49,25,18,43,36,62,28,38,43,43,38,39,39,17,25,45,24,29,19,60,24,39,18,55,41,52,53,67,39,
27,25,22,65,18,66,62,58,19,10,65,60,10,67,34,61,69,53,58,54,34,52,46,12,26,10,68,19,60,63,64,67,31,
30,37,47,21,38,55,43,26,24,70,20,21,23,25,48,11,60,49,45,22,63,45,57,33,56,66,31,59,68,47,69,52,19,
51,15,37,19
};
void setup() {
// SET OUTPUT PIN ON ALL OUTPUT PORTS
OUTPUTPORTCTRL = 0b00011111; //set all 5 LOWER bit pins as output
OUTPUTPORT = 0b00000000; //set all 5 LOWER bit pins to ZERO
}
void loop() {
// initializing variables for loops
uint16_t sequence;
uint8_t pulsewidth, i, bulk;
// generating WAVE on BIT0-BIT5 DAC outputs
// random values are taken from PROGMEM lookup table
// are used to achieve random PWM effect
for(sequence=0; sequence<4096; sequence++)
{
// take pulse width from lookup table and send normal bulk
pulsewidth = pgm_read_byte(randomized + sequence);
// sending a bulk of pulses with defined pulsewidth
// you may play with number (25) of pulses for better effect of jamming
for(bulk=0; bulk<25; bulk++)
{
// send HIGH VOLTAGE - this time square wave
// PB0 may serve as GND for PAM8403 module audio input
OUTPUTPORT = 0b00000110;
// now delay to achieve desired frequency
for(i=0; i<pulsewidth; i++)
{
asm volatile (
" nop \n"
);
};
//
// send LOW VOLTAGE - this time square wave
OUTPUTPORT = 0;
// now delay to achieve desired frequency
// this value 85 determines center frequency of transducers
for(i=0; i<(85-pulsewidth); i++)
{
asm volatile (
" nop \n"
);
};
// End of 'bulk' loop
};
// end of 'sequence' loop;
};
// end of LOOP
}