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ba508e22 UH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * Copyright (C) 2011 Olivier Fauchon <olivier@aixmarseille.com> | |
6 | * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com> | |
7 | * Copyright (C) 2015 Bartosz Golaszewski <bgolaszewski@baylibre.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
2ea1fdf1 | 20 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
ba508e22 UH |
21 | */ |
22 | ||
23 | #include <config.h> | |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | #include <math.h> | |
27 | #include <libsigrok/libsigrok.h> | |
28 | #include "libsigrok-internal.h" | |
29 | #include "protocol.h" | |
30 | ||
31 | #define ANALOG_SAMPLES_PER_PERIOD 20 | |
32 | ||
33 | static const uint8_t pattern_sigrok[] = { | |
34 | 0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00, | |
35 | 0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00, | |
36 | 0x7c, 0x82, 0x82, 0x92, 0x74, 0x00, 0x00, 0x00, | |
37 | 0xfe, 0x12, 0x12, 0x32, 0xcc, 0x00, 0x00, 0x00, | |
38 | 0x7c, 0x82, 0x82, 0x82, 0x7c, 0x00, 0x00, 0x00, | |
39 | 0xfe, 0x10, 0x28, 0x44, 0x82, 0x00, 0x00, 0x00, | |
40 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
41 | 0xbe, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
42 | }; | |
43 | ||
81d53a29 GS |
44 | static const uint8_t pattern_squid[128][128 / 8] = { |
45 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
46 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
47 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
48 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
49 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
50 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
51 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
52 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
53 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
54 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
55 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
56 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xe0, 0x00, }, | |
57 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xe1, 0x01, }, | |
58 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xe1, 0x01, }, | |
59 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xe3, 0x03, }, | |
60 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xe3, 0x03, }, | |
61 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xc3, 0x03, }, | |
62 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcf, 0xc7, 0x03, }, | |
63 | { 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0xc7, 0x03, }, | |
64 | { 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x87, 0x03, }, | |
65 | { 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0xc7, 0x03, }, | |
66 | { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0xcf, 0x03, }, | |
67 | { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xcf, 0x03, }, | |
68 | { 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0x03, }, | |
69 | { 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0xff, 0x03, }, | |
70 | { 0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0xfe, 0x01, }, | |
71 | { 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0xfe, 0x01, }, | |
72 | { 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0xfc, 0x00, }, | |
73 | { 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
74 | { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
75 | { 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
76 | { 0x00, 0xc0, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
77 | { 0x00, 0x80, 0x01, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0xfe, 0xff, 0x03, }, | |
78 | { 0x00, 0x00, 0x07, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xfe, 0xff, 0x03, }, | |
79 | { 0x00, 0x00, 0x1c, 0x00, 0xe0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xfe, 0xff, 0x03, }, | |
80 | { 0x00, 0x00, 0x78, 0x00, 0xc0, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xfe, 0xff, 0x03, }, | |
81 | { 0x00, 0x00, 0xe0, 0x00, 0x80, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0xfe, 0xff, 0x03, }, | |
82 | { 0x00, 0x00, 0xc0, 0x03, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
83 | { 0x00, 0x00, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
84 | { 0x00, 0x00, 0x00, 0x1c, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
85 | { 0x00, 0x00, 0x00, 0xf8, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, }, | |
86 | { 0x00, 0x00, 0x00, 0xf0, 0x01, 0x38, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x01, 0x00, 0xf0, 0x1f, 0x1c, }, | |
87 | { 0x00, 0x00, 0x00, 0xe0, 0x07, 0x70, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x0f, 0x00, 0xfc, 0x3f, 0x3c, }, | |
88 | { 0x80, 0x03, 0x00, 0xc0, 0x0f, 0xe0, 0x00, 0x00, 0x80, 0xff, 0xff, 0x3f, 0x00, 0xfc, 0x7f, 0x7c, }, | |
89 | { 0x00, 0x1e, 0x00, 0x00, 0x1f, 0xc0, 0x01, 0x00, 0xc0, 0xff, 0xff, 0x7f, 0x00, 0xfe, 0xff, 0x7c, }, | |
90 | { 0x00, 0xf0, 0x01, 0x00, 0x7c, 0x80, 0x03, 0x00, 0xc0, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x7c, }, | |
91 | { 0x00, 0xc0, 0x0f, 0x00, 0xf0, 0x00, 0x07, 0x00, 0xc0, 0xff, 0xff, 0xff, 0x00, 0x3f, 0xf8, 0x78, }, | |
92 | { 0x00, 0x00, 0x3e, 0x00, 0xc0, 0x03, 0x0e, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0xf0, }, | |
93 | { 0x00, 0x00, 0xf0, 0x07, 0x80, 0x07, 0x3c, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0xf0, }, | |
94 | { 0x00, 0x00, 0x80, 0x3f, 0x00, 0x1e, 0x78, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xe0, 0xf0, }, | |
95 | { 0x00, 0x00, 0x00, 0xff, 0x00, 0x7c, 0xe0, 0x01, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xe0, 0xf0, }, | |
96 | { 0x00, 0x00, 0x00, 0xfc, 0x03, 0xf0, 0xc1, 0x07, 0xf0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0xf0, }, | |
97 | { 0x00, 0x00, 0x00, 0xe0, 0x1f, 0xc0, 0x03, 0x1f, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0x78, }, | |
98 | { 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x1f, 0xfc, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x7f, }, | |
99 | { 0xf8, 0x03, 0x00, 0x00, 0xf0, 0x07, 0xfe, 0xf0, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x7f, }, | |
100 | { 0x80, 0xff, 0x01, 0x00, 0x80, 0x3f, 0xf0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x3f, }, | |
101 | { 0x00, 0xf0, 0xff, 0x07, 0x00, 0xfc, 0x83, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x3f, }, | |
102 | { 0x00, 0x00, 0xfc, 0x7f, 0x00, 0xe0, 0x7f, 0xfc, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x1f, }, | |
103 | { 0x00, 0x00, 0xc0, 0xff, 0x1f, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfc, 0xff, 0x03, }, | |
104 | { 0x00, 0x00, 0x00, 0xf8, 0xff, 0x07, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, }, | |
105 | { 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x0f, 0xe0, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, }, | |
106 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, }, | |
107 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, }, | |
108 | { 0x00, 0x00, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x03, }, | |
109 | { 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x03, }, | |
110 | { 0x00, 0x10, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, }, | |
111 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, }, | |
112 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, }, | |
113 | { 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x0f, 0xe0, 0xff, 0xff, 0xff, 0xff, 0x00, 0x7c, 0x00, 0x00, }, | |
114 | { 0x00, 0x00, 0x00, 0xf8, 0xff, 0x07, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x3c, 0x00, 0x00, }, | |
115 | { 0x00, 0x00, 0xc0, 0xff, 0x1f, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x1e, 0x00, 0x00, }, | |
116 | { 0x00, 0x00, 0xf8, 0x7f, 0x00, 0xe0, 0x7f, 0xfc, 0xff, 0xff, 0xff, 0xff, 0x00, 0x1e, 0x00, 0x00, }, | |
117 | { 0x00, 0xf0, 0xff, 0x07, 0x00, 0xfc, 0x83, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x0f, 0x00, 0x00, }, | |
118 | { 0x80, 0xff, 0x01, 0x00, 0x80, 0x3f, 0xf0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0x01, 0x0f, 0x00, 0x00, }, | |
119 | { 0xf8, 0x03, 0x00, 0x00, 0xf0, 0x07, 0xfe, 0xf0, 0xff, 0xff, 0xff, 0xff, 0x00, 0x0f, 0x00, 0x00, }, | |
120 | { 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x1f, 0xfc, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0x00, 0x00, }, | |
121 | { 0x00, 0x00, 0x00, 0xe0, 0x1f, 0xc0, 0x07, 0x1f, 0xf0, 0xff, 0xff, 0xff, 0x00, 0x06, 0x00, 0x00, }, | |
122 | { 0x00, 0x00, 0x00, 0xfc, 0x03, 0xf0, 0xc1, 0x07, 0xf0, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, }, | |
123 | { 0x00, 0x00, 0x00, 0xff, 0x00, 0x7c, 0xe0, 0x01, 0xf0, 0xff, 0xff, 0xff, 0x01, 0xe0, 0x1f, 0x00, }, | |
124 | { 0x00, 0x00, 0x80, 0x3f, 0x00, 0x1e, 0x78, 0x00, 0xf0, 0xff, 0xff, 0xff, 0x01, 0xf0, 0x7f, 0x00, }, | |
125 | { 0x00, 0x00, 0xf0, 0x0f, 0x80, 0x07, 0x3c, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xfc, 0xff, 0x00, }, | |
126 | { 0x00, 0x00, 0x3e, 0x00, 0xc0, 0x03, 0x0e, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xfc, 0xff, 0x01, }, | |
127 | { 0x00, 0xc0, 0x0f, 0x00, 0xf0, 0x00, 0x07, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xfe, 0xff, 0x01, }, | |
128 | { 0x00, 0xf0, 0x01, 0x00, 0x7c, 0x80, 0x03, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, }, | |
129 | { 0x00, 0x3e, 0x00, 0x00, 0x1f, 0xc0, 0x01, 0x00, 0x80, 0xff, 0xff, 0xff, 0x00, 0x1f, 0xe0, 0x03, }, | |
130 | { 0x80, 0x03, 0x00, 0xc0, 0x0f, 0xe0, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xc0, 0x03, }, | |
131 | { 0x00, 0x00, 0x00, 0xe0, 0x07, 0x70, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00, 0x0f, 0xc0, 0x03, }, | |
132 | { 0x00, 0x00, 0x00, 0xf0, 0x01, 0x38, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x01, 0x00, 0x0f, 0x80, 0x03, }, | |
133 | { 0x00, 0x00, 0x00, 0xf8, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xc0, 0x03, }, | |
134 | { 0x00, 0x00, 0x00, 0x1c, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xc0, 0x03, }, | |
135 | { 0x00, 0x00, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xe0, 0x03, }, | |
136 | { 0x00, 0x00, 0xc0, 0x03, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x03, }, | |
137 | { 0x00, 0x00, 0xe0, 0x00, 0x80, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x01, }, | |
138 | { 0x00, 0x00, 0x78, 0x00, 0xc0, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x01, }, | |
139 | { 0x00, 0x00, 0x1c, 0x00, 0xe0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x00, }, | |
140 | { 0x00, 0x00, 0x06, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f, 0x00, }, | |
141 | { 0x00, 0x80, 0x03, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x1f, 0x00, }, | |
142 | { 0x00, 0xc0, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
143 | { 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
144 | { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
145 | { 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x01, }, | |
146 | { 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, }, | |
147 | { 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, }, | |
148 | { 0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, }, | |
149 | { 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, }, | |
150 | { 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, }, | |
151 | { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x07, 0x00, }, | |
152 | { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x07, 0x00, }, | |
153 | { 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x0f, 0x00, }, | |
154 | { 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x1f, 0x00, }, | |
155 | { 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x3f, 0x00, }, | |
156 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x00, }, | |
157 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x01, }, | |
158 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xfc, 0x03, }, | |
159 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x03, }, | |
160 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xf0, 0x03, }, | |
161 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xc0, 0x03, }, | |
162 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, }, | |
163 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
164 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
165 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
166 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
167 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
168 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
169 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
170 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
171 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
172 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, | |
173 | }; | |
174 | ||
ba508e22 UH |
175 | SR_PRIV void demo_generate_analog_pattern(struct analog_gen *ag, uint64_t sample_rate) |
176 | { | |
177 | double t, frequency; | |
178 | float value; | |
179 | unsigned int num_samples, i; | |
180 | int last_end; | |
181 | ||
182 | sr_dbg("Generating %s pattern.", analog_pattern_str[ag->pattern]); | |
183 | ||
184 | num_samples = ANALOG_BUFSIZE / sizeof(float); | |
185 | ||
186 | switch (ag->pattern) { | |
187 | case PATTERN_SQUARE: | |
188 | value = ag->amplitude; | |
189 | last_end = 0; | |
190 | for (i = 0; i < num_samples; i++) { | |
191 | if (i % 5 == 0) | |
192 | value = -value; | |
193 | if (i % 10 == 0) | |
194 | last_end = i; | |
195 | ag->pattern_data[i] = value; | |
196 | } | |
197 | ag->num_samples = last_end; | |
198 | break; | |
199 | case PATTERN_SINE: | |
200 | frequency = (double) sample_rate / ANALOG_SAMPLES_PER_PERIOD; | |
201 | ||
202 | /* Make sure the number of samples we put out is an integer | |
203 | * multiple of our period size */ | |
204 | /* FIXME we actually need only one period. A ringbuffer would be | |
205 | * useful here. */ | |
206 | while (num_samples % ANALOG_SAMPLES_PER_PERIOD != 0) | |
207 | num_samples--; | |
208 | ||
209 | for (i = 0; i < num_samples; i++) { | |
210 | t = (double) i / (double) sample_rate; | |
211 | ag->pattern_data[i] = ag->amplitude * | |
212 | sin(2 * G_PI * frequency * t); | |
213 | } | |
214 | ||
215 | ag->num_samples = num_samples; | |
216 | break; | |
217 | case PATTERN_TRIANGLE: | |
218 | frequency = (double) sample_rate / ANALOG_SAMPLES_PER_PERIOD; | |
219 | ||
220 | while (num_samples % ANALOG_SAMPLES_PER_PERIOD != 0) | |
221 | num_samples--; | |
222 | ||
223 | for (i = 0; i < num_samples; i++) { | |
224 | t = (double) i / (double) sample_rate; | |
225 | ag->pattern_data[i] = (2 * ag->amplitude / G_PI) * | |
226 | asin(sin(2 * G_PI * frequency * t)); | |
227 | } | |
228 | ||
229 | ag->num_samples = num_samples; | |
230 | break; | |
231 | case PATTERN_SAWTOOTH: | |
232 | frequency = (double) sample_rate / ANALOG_SAMPLES_PER_PERIOD; | |
233 | ||
234 | while (num_samples % ANALOG_SAMPLES_PER_PERIOD != 0) | |
235 | num_samples--; | |
236 | ||
237 | for (i = 0; i < num_samples; i++) { | |
238 | t = (double) i / (double) sample_rate; | |
239 | ag->pattern_data[i] = 2 * ag->amplitude * | |
240 | ((t * frequency) - floor(0.5f + t * frequency)); | |
241 | } | |
242 | ||
243 | ag->num_samples = num_samples; | |
244 | break; | |
245 | } | |
246 | } | |
247 | ||
248 | static void logic_generator(struct sr_dev_inst *sdi, uint64_t size) | |
249 | { | |
250 | struct dev_context *devc; | |
251 | uint64_t i, j; | |
252 | uint8_t pat; | |
81d53a29 GS |
253 | uint8_t *sample; |
254 | const uint8_t *image_col; | |
255 | size_t col_count, col_height; | |
ba508e22 UH |
256 | |
257 | devc = sdi->priv; | |
258 | ||
259 | switch (devc->logic_pattern) { | |
260 | case PATTERN_SIGROK: | |
261 | memset(devc->logic_data, 0x00, size); | |
262 | for (i = 0; i < size; i += devc->logic_unitsize) { | |
263 | for (j = 0; j < devc->logic_unitsize; j++) { | |
264 | pat = pattern_sigrok[(devc->step + j) % sizeof(pattern_sigrok)] >> 1; | |
265 | devc->logic_data[i + j] = ~pat; | |
266 | } | |
267 | devc->step++; | |
268 | } | |
269 | break; | |
270 | case PATTERN_RANDOM: | |
271 | for (i = 0; i < size; i++) | |
272 | devc->logic_data[i] = (uint8_t)(rand() & 0xff); | |
273 | break; | |
274 | case PATTERN_INC: | |
275 | for (i = 0; i < size; i++) { | |
8ebad343 | 276 | for (j = 0; j < devc->logic_unitsize; j++) |
ba508e22 | 277 | devc->logic_data[i + j] = devc->step; |
ba508e22 UH |
278 | devc->step++; |
279 | } | |
280 | break; | |
845060fa SA |
281 | case PATTERN_WALKING_ONE: |
282 | /* j contains the value of the highest bit */ | |
283 | j = 1 << (devc->num_logic_channels - 1); | |
284 | for (i = 0; i < size; i++) { | |
285 | devc->logic_data[i] = devc->step; | |
286 | if (devc->step == 0) | |
287 | devc->step = 1; | |
288 | else | |
289 | if (devc->step == j) | |
290 | devc->step = 0; | |
291 | else | |
292 | devc->step <<= 1; | |
293 | } | |
294 | break; | |
295 | case PATTERN_WALKING_ZERO: | |
296 | /* Same as walking one, only with inverted output */ | |
297 | /* j contains the value of the highest bit */ | |
298 | j = 1 << (devc->num_logic_channels - 1); | |
299 | for (i = 0; i < size; i++) { | |
300 | devc->logic_data[i] = ~devc->step; | |
301 | if (devc->step == 0) | |
302 | devc->step = 1; | |
303 | else | |
304 | if (devc->step == j) | |
305 | devc->step = 0; | |
306 | else | |
307 | devc->step <<= 1; | |
308 | } | |
309 | break; | |
ba508e22 UH |
310 | case PATTERN_ALL_LOW: |
311 | case PATTERN_ALL_HIGH: | |
312 | /* These were set when the pattern mode was selected. */ | |
313 | break; | |
81d53a29 GS |
314 | case PATTERN_SQUID: |
315 | memset(devc->logic_data, 0x00, size); | |
316 | col_count = ARRAY_SIZE(pattern_squid); | |
317 | col_height = ARRAY_SIZE(pattern_squid[0]); | |
318 | for (i = 0; i < size; i += devc->logic_unitsize) { | |
319 | sample = &devc->logic_data[i]; | |
320 | image_col = pattern_squid[devc->step]; | |
321 | for (j = 0; j < devc->logic_unitsize; j++) { | |
322 | pat = image_col[j % col_height]; | |
323 | sample[j] = pat; | |
324 | } | |
325 | devc->step++; | |
326 | devc->step %= col_count; | |
327 | } | |
328 | break; | |
ba508e22 UH |
329 | default: |
330 | sr_err("Unknown pattern: %d.", devc->logic_pattern); | |
331 | break; | |
332 | } | |
333 | } | |
334 | ||
4a465510 GS |
335 | /* |
336 | * Fixup a memory image of generated logic data before it gets sent to | |
337 | * the session's datafeed. Mask out content from disabled channels. | |
338 | * | |
339 | * TODO: Need we apply a channel map, and enforce a dense representation | |
340 | * of the enabled channels' data? | |
341 | */ | |
342 | static void logic_fixup_feed(struct dev_context *devc, | |
343 | struct sr_datafeed_logic *logic) | |
344 | { | |
345 | size_t fp_off; | |
346 | uint8_t fp_mask; | |
347 | size_t off, idx; | |
348 | uint8_t *sample; | |
349 | ||
350 | fp_off = devc->first_partial_logic_index; | |
351 | fp_mask = devc->first_partial_logic_mask; | |
352 | if (fp_off == logic->unitsize) | |
353 | return; | |
354 | ||
355 | for (off = 0; off < logic->length; off += logic->unitsize) { | |
356 | sample = logic->data + off; | |
357 | sample[fp_off] &= fp_mask; | |
358 | for (idx = fp_off + 1; idx < logic->unitsize; idx++) | |
359 | sample[idx] = 0x00; | |
360 | } | |
361 | } | |
362 | ||
ba508e22 UH |
363 | static void send_analog_packet(struct analog_gen *ag, |
364 | struct sr_dev_inst *sdi, uint64_t *analog_sent, | |
365 | uint64_t analog_pos, uint64_t analog_todo) | |
366 | { | |
367 | struct sr_datafeed_packet packet; | |
368 | struct dev_context *devc; | |
369 | uint64_t sending_now, to_avg; | |
370 | int ag_pattern_pos; | |
371 | unsigned int i; | |
372 | ||
01f2adb0 GS |
373 | if (!ag->ch || !ag->ch->enabled) |
374 | return; | |
375 | ||
ba508e22 UH |
376 | devc = sdi->priv; |
377 | packet.type = SR_DF_ANALOG; | |
378 | packet.payload = &ag->packet; | |
379 | ||
380 | if (!devc->avg) { | |
381 | ag_pattern_pos = analog_pos % ag->num_samples; | |
d1144645 | 382 | sending_now = MIN(analog_todo, ag->num_samples - ag_pattern_pos); |
ba508e22 UH |
383 | ag->packet.data = ag->pattern_data + ag_pattern_pos; |
384 | ag->packet.num_samples = sending_now; | |
385 | sr_session_send(sdi, &packet); | |
386 | ||
387 | /* Whichever channel group gets there first. */ | |
388 | *analog_sent = MAX(*analog_sent, sending_now); | |
389 | } else { | |
390 | ag_pattern_pos = analog_pos % ag->num_samples; | |
d1144645 | 391 | to_avg = MIN(analog_todo, ag->num_samples - ag_pattern_pos); |
ba508e22 UH |
392 | |
393 | for (i = 0; i < to_avg; i++) { | |
394 | ag->avg_val = (ag->avg_val + | |
395 | *(ag->pattern_data + | |
396 | ag_pattern_pos + i)) / 2; | |
397 | ag->num_avgs++; | |
398 | /* Time to send averaged data? */ | |
399 | if (devc->avg_samples > 0 && | |
400 | ag->num_avgs >= devc->avg_samples) | |
401 | goto do_send; | |
402 | } | |
403 | ||
404 | if (devc->avg_samples == 0) { | |
405 | /* We're averaging all the samples, so wait with | |
406 | * sending until the very end. | |
407 | */ | |
408 | *analog_sent = ag->num_avgs; | |
409 | return; | |
410 | } | |
411 | ||
412 | do_send: | |
413 | ag->packet.data = &ag->avg_val; | |
414 | ag->packet.num_samples = 1; | |
415 | ||
416 | sr_session_send(sdi, &packet); | |
417 | *analog_sent = ag->num_avgs; | |
418 | ||
419 | ag->num_avgs = 0; | |
420 | ag->avg_val = 0.0f; | |
421 | } | |
422 | } | |
423 | ||
424 | /* Callback handling data */ | |
425 | SR_PRIV int demo_prepare_data(int fd, int revents, void *cb_data) | |
426 | { | |
427 | struct sr_dev_inst *sdi; | |
428 | struct dev_context *devc; | |
429 | struct sr_datafeed_packet packet; | |
430 | struct sr_datafeed_logic logic; | |
431 | struct analog_gen *ag; | |
432 | GHashTableIter iter; | |
433 | void *value; | |
434 | uint64_t samples_todo, logic_done, analog_done, analog_sent, sending_now; | |
435 | int64_t elapsed_us, limit_us, todo_us; | |
436 | ||
437 | (void)fd; | |
438 | (void)revents; | |
439 | ||
440 | sdi = cb_data; | |
441 | devc = sdi->priv; | |
442 | ||
443 | /* Just in case. */ | |
444 | if (devc->cur_samplerate <= 0 | |
445 | || (devc->num_logic_channels <= 0 | |
446 | && devc->num_analog_channels <= 0)) { | |
d2f7c417 | 447 | sr_dev_acquisition_stop(sdi); |
ba508e22 UH |
448 | return G_SOURCE_CONTINUE; |
449 | } | |
450 | ||
451 | /* What time span should we send samples for? */ | |
452 | elapsed_us = g_get_monotonic_time() - devc->start_us; | |
453 | limit_us = 1000 * devc->limit_msec; | |
454 | if (limit_us > 0 && limit_us < elapsed_us) | |
455 | todo_us = MAX(0, limit_us - devc->spent_us); | |
456 | else | |
457 | todo_us = MAX(0, elapsed_us - devc->spent_us); | |
458 | ||
459 | /* How many samples are outstanding since the last round? */ | |
460 | samples_todo = (todo_us * devc->cur_samplerate + G_USEC_PER_SEC - 1) | |
461 | / G_USEC_PER_SEC; | |
f55bea76 | 462 | |
ba508e22 UH |
463 | if (devc->limit_samples > 0) { |
464 | if (devc->limit_samples < devc->sent_samples) | |
465 | samples_todo = 0; | |
466 | else if (devc->limit_samples - devc->sent_samples < samples_todo) | |
467 | samples_todo = devc->limit_samples - devc->sent_samples; | |
468 | } | |
f55bea76 | 469 | |
767ca135 SA |
470 | if (samples_todo == 0) |
471 | return G_SOURCE_CONTINUE; | |
472 | ||
473 | #if (SAMPLES_PER_FRAME > 0) /* Avoid "comparison < 0 always false" warning. */ | |
474 | /* Never send more samples than a frame can fit... */ | |
475 | samples_todo = MIN(samples_todo, SAMPLES_PER_FRAME); | |
476 | /* ...or than we need to finish the current frame. */ | |
477 | samples_todo = MIN(samples_todo, SAMPLES_PER_FRAME - devc->sent_frame_samples); | |
478 | #endif | |
479 | ||
ba508e22 UH |
480 | /* Calculate the actual time covered by this run back from the sample |
481 | * count, rounded towards zero. This avoids getting stuck on a too-low | |
482 | * time delta with no samples being sent due to round-off. | |
483 | */ | |
484 | todo_us = samples_todo * G_USEC_PER_SEC / devc->cur_samplerate; | |
485 | ||
405b9c10 | 486 | logic_done = devc->num_logic_channels > 0 ? 0 : samples_todo; |
1b7b72d4 GS |
487 | if (!devc->enabled_logic_channels) |
488 | logic_done = samples_todo; | |
ba508e22 | 489 | analog_done = devc->num_analog_channels > 0 ? 0 : samples_todo; |
1b7b72d4 GS |
490 | if (!devc->enabled_analog_channels) |
491 | analog_done = samples_todo; | |
ba508e22 UH |
492 | |
493 | while (logic_done < samples_todo || analog_done < samples_todo) { | |
494 | /* Logic */ | |
495 | if (logic_done < samples_todo) { | |
496 | sending_now = MIN(samples_todo - logic_done, | |
497 | LOGIC_BUFSIZE / devc->logic_unitsize); | |
498 | logic_generator(sdi, sending_now * devc->logic_unitsize); | |
499 | packet.type = SR_DF_LOGIC; | |
500 | packet.payload = &logic; | |
501 | logic.length = sending_now * devc->logic_unitsize; | |
502 | logic.unitsize = devc->logic_unitsize; | |
503 | logic.data = devc->logic_data; | |
4a465510 | 504 | logic_fixup_feed(devc, &logic); |
ba508e22 UH |
505 | sr_session_send(sdi, &packet); |
506 | logic_done += sending_now; | |
507 | } | |
508 | ||
509 | /* Analog, one channel at a time */ | |
510 | if (analog_done < samples_todo) { | |
511 | analog_sent = 0; | |
512 | ||
513 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
514 | while (g_hash_table_iter_next(&iter, NULL, &value)) { | |
515 | send_analog_packet(value, sdi, &analog_sent, | |
516 | devc->sent_samples + analog_done, | |
517 | samples_todo - analog_done); | |
518 | } | |
519 | analog_done += analog_sent; | |
520 | } | |
521 | } | |
522 | /* At this point, both logic_done and analog_done should be | |
523 | * exactly equal to samples_todo, or else. | |
524 | */ | |
525 | if (logic_done != samples_todo || analog_done != samples_todo) { | |
526 | sr_err("BUG: Sample count mismatch."); | |
527 | return G_SOURCE_REMOVE; | |
528 | } | |
529 | devc->sent_samples += samples_todo; | |
767ca135 | 530 | devc->sent_frame_samples += samples_todo; |
ba508e22 UH |
531 | devc->spent_us += todo_us; |
532 | ||
767ca135 SA |
533 | #if (SAMPLES_PER_FRAME > 0) /* Avoid "comparison >= 0 always true" warning. */ |
534 | if (devc->sent_frame_samples >= SAMPLES_PER_FRAME) { | |
535 | std_session_send_frame_end(sdi); | |
536 | devc->sent_frame_samples = 0; | |
537 | } | |
538 | #endif | |
539 | ||
ba508e22 UH |
540 | if ((devc->limit_samples > 0 && devc->sent_samples >= devc->limit_samples) |
541 | || (limit_us > 0 && devc->spent_us >= limit_us)) { | |
542 | ||
543 | /* If we're averaging everything - now is the time to send data */ | |
d1144645 | 544 | if (devc->avg && devc->avg_samples == 0) { |
ba508e22 UH |
545 | g_hash_table_iter_init(&iter, devc->ch_ag); |
546 | while (g_hash_table_iter_next(&iter, NULL, &value)) { | |
547 | ag = value; | |
548 | packet.type = SR_DF_ANALOG; | |
549 | packet.payload = &ag->packet; | |
550 | ag->packet.data = &ag->avg_val; | |
551 | ag->packet.num_samples = 1; | |
552 | sr_session_send(sdi, &packet); | |
553 | } | |
554 | } | |
555 | sr_dbg("Requested number of samples reached."); | |
d2f7c417 | 556 | sr_dev_acquisition_stop(sdi); |
f55bea76 | 557 | } else { |
767ca135 SA |
558 | #if (SAMPLES_PER_FRAME > 0) |
559 | if (devc->sent_frame_samples == 0) | |
f55bea76 | 560 | std_session_send_frame_begin(sdi); |
767ca135 | 561 | #endif |
ba508e22 UH |
562 | } |
563 | ||
564 | return G_SOURCE_CONTINUE; | |
565 | } |