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korad-kaxxxxp: Add another KA3005P with 0xBC as extra byte in the model ID.
[libsigrok.git] / src / hardware / demo / protocol.c
CommitLineData
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>
94f364ec 8 * Copyright (C) 2019 Frank Stettner <frank-stettner@gmx.net>
ba508e22
UH		 9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
2ea1fdf1 21 * along with this program; if not, see <http://www.gnu.org/licenses/>.
ba508e22
UH		 22 */
23
24#include <config.h>
25#include <stdlib.h>
26#include <string.h>
27#include <math.h>
28#include <libsigrok/libsigrok.h>
29#include "libsigrok-internal.h"
30#include "protocol.h"
31
32#define ANALOG_SAMPLES_PER_PERIOD 20
33
34static const uint8_t pattern_sigrok[] = {
35 0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00,
36 0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00,
37 0x7c, 0x82, 0x82, 0x92, 0x74, 0x00, 0x00, 0x00,
38 0xfe, 0x12, 0x12, 0x32, 0xcc, 0x00, 0x00, 0x00,
39 0x7c, 0x82, 0x82, 0x82, 0x7c, 0x00, 0x00, 0x00,
40 0xfe, 0x10, 0x28, 0x44, 0x82, 0x00, 0x00, 0x00,
41 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
42 0xbe, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
43};
44
81d53a29
GS		 45static const uint8_t pattern_squid[128][128 / 8] = {
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, 0x00, 0x00, 0x00, },
57 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xe0, 0x00, },
58 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xe1, 0x01, },
59 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xe1, 0x01, },
60 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xe3, 0x03, },
61 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xe3, 0x03, },
62 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xc3, 0x03, },
63 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcf, 0xc7, 0x03, },
64 { 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0xc7, 0x03, },
65 { 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x87, 0x03, },
66 { 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0xc7, 0x03, },
67 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0xcf, 0x03, },
68 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xcf, 0x03, },
69 { 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0x03, },
70 { 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0xff, 0x03, },
71 { 0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0xfe, 0x01, },
72 { 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0xfe, 0x01, },
73 { 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0xfc, 0x00, },
74 { 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
75 { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
76 { 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
77 { 0x00, 0xc0, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
78 { 0x00, 0x80, 0x01, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0xfe, 0xff, 0x03, },
79 { 0x00, 0x00, 0x07, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xfe, 0xff, 0x03, },
80 { 0x00, 0x00, 0x1c, 0x00, 0xe0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xfe, 0xff, 0x03, },
81 { 0x00, 0x00, 0x78, 0x00, 0xc0, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xfe, 0xff, 0x03, },
82 { 0x00, 0x00, 0xe0, 0x00, 0x80, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0xfe, 0xff, 0x03, },
83 { 0x00, 0x00, 0xc0, 0x03, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
84 { 0x00, 0x00, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
85 { 0x00, 0x00, 0x00, 0x1c, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
86 { 0x00, 0x00, 0x00, 0xf8, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, },
87 { 0x00, 0x00, 0x00, 0xf0, 0x01, 0x38, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x01, 0x00, 0xf0, 0x1f, 0x1c, },
88 { 0x00, 0x00, 0x00, 0xe0, 0x07, 0x70, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x0f, 0x00, 0xfc, 0x3f, 0x3c, },
89 { 0x80, 0x03, 0x00, 0xc0, 0x0f, 0xe0, 0x00, 0x00, 0x80, 0xff, 0xff, 0x3f, 0x00, 0xfc, 0x7f, 0x7c, },
90 { 0x00, 0x1e, 0x00, 0x00, 0x1f, 0xc0, 0x01, 0x00, 0xc0, 0xff, 0xff, 0x7f, 0x00, 0xfe, 0xff, 0x7c, },
91 { 0x00, 0xf0, 0x01, 0x00, 0x7c, 0x80, 0x03, 0x00, 0xc0, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x7c, },
92 { 0x00, 0xc0, 0x0f, 0x00, 0xf0, 0x00, 0x07, 0x00, 0xc0, 0xff, 0xff, 0xff, 0x00, 0x3f, 0xf8, 0x78, },
93 { 0x00, 0x00, 0x3e, 0x00, 0xc0, 0x03, 0x0e, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0xf0, },
94 { 0x00, 0x00, 0xf0, 0x07, 0x80, 0x07, 0x3c, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0xf0, },
95 { 0x00, 0x00, 0x80, 0x3f, 0x00, 0x1e, 0x78, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xe0, 0xf0, },
96 { 0x00, 0x00, 0x00, 0xff, 0x00, 0x7c, 0xe0, 0x01, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xe0, 0xf0, },
97 { 0x00, 0x00, 0x00, 0xfc, 0x03, 0xf0, 0xc1, 0x07, 0xf0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0xf0, },
98 { 0x00, 0x00, 0x00, 0xe0, 0x1f, 0xc0, 0x03, 0x1f, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xf0, 0x78, },
99 { 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x1f, 0xfc, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x7f, },
100 { 0xf8, 0x03, 0x00, 0x00, 0xf0, 0x07, 0xfe, 0xf0, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x7f, },
101 { 0x80, 0xff, 0x01, 0x00, 0x80, 0x3f, 0xf0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x3f, },
102 { 0x00, 0xf0, 0xff, 0x07, 0x00, 0xfc, 0x83, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x3f, },
103 { 0x00, 0x00, 0xfc, 0x7f, 0x00, 0xe0, 0x7f, 0xfc, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfe, 0xff, 0x1f, },
104 { 0x00, 0x00, 0xc0, 0xff, 0x1f, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xfc, 0xff, 0x03, },
105 { 0x00, 0x00, 0x00, 0xf8, 0xff, 0x07, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, },
106 { 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x0f, 0xe0, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, },
107 { 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, },
108 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, },
109 { 0x00, 0x00, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x03, },
110 { 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0x03, },
111 { 0x00, 0x10, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, },
112 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, },
113 { 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, },
114 { 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x0f, 0xe0, 0xff, 0xff, 0xff, 0xff, 0x00, 0x7c, 0x00, 0x00, },
115 { 0x00, 0x00, 0x00, 0xf8, 0xff, 0x07, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x3c, 0x00, 0x00, },
116 { 0x00, 0x00, 0xc0, 0xff, 0x1f, 0x00, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x1e, 0x00, 0x00, },
117 { 0x00, 0x00, 0xf8, 0x7f, 0x00, 0xe0, 0x7f, 0xfc, 0xff, 0xff, 0xff, 0xff, 0x00, 0x1e, 0x00, 0x00, },
118 { 0x00, 0xf0, 0xff, 0x07, 0x00, 0xfc, 0x83, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x0f, 0x00, 0x00, },
119 { 0x80, 0xff, 0x01, 0x00, 0x80, 0x3f, 0xf0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0x01, 0x0f, 0x00, 0x00, },
120 { 0xf8, 0x03, 0x00, 0x00, 0xf0, 0x07, 0xfe, 0xf0, 0xff, 0xff, 0xff, 0xff, 0x00, 0x0f, 0x00, 0x00, },
121 { 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x1f, 0xfc, 0xe0, 0xff, 0xff, 0xff, 0x00, 0x0f, 0x00, 0x00, },
122 { 0x00, 0x00, 0x00, 0xe0, 0x1f, 0xc0, 0x07, 0x1f, 0xf0, 0xff, 0xff, 0xff, 0x00, 0x06, 0x00, 0x00, },
123 { 0x00, 0x00, 0x00, 0xfc, 0x03, 0xf0, 0xc1, 0x07, 0xf0, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, },
124 { 0x00, 0x00, 0x00, 0xff, 0x00, 0x7c, 0xe0, 0x01, 0xf0, 0xff, 0xff, 0xff, 0x01, 0xe0, 0x1f, 0x00, },
125 { 0x00, 0x00, 0x80, 0x3f, 0x00, 0x1e, 0x78, 0x00, 0xf0, 0xff, 0xff, 0xff, 0x01, 0xf0, 0x7f, 0x00, },
126 { 0x00, 0x00, 0xf0, 0x0f, 0x80, 0x07, 0x3c, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xfc, 0xff, 0x00, },
127 { 0x00, 0x00, 0x3e, 0x00, 0xc0, 0x03, 0x0e, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xfc, 0xff, 0x01, },
128 { 0x00, 0xc0, 0x0f, 0x00, 0xf0, 0x00, 0x07, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x01, 0xfe, 0xff, 0x01, },
129 { 0x00, 0xf0, 0x01, 0x00, 0x7c, 0x80, 0x03, 0x00, 0xe0, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0x03, },
130 { 0x00, 0x3e, 0x00, 0x00, 0x1f, 0xc0, 0x01, 0x00, 0x80, 0xff, 0xff, 0xff, 0x00, 0x1f, 0xe0, 0x03, },
131 { 0x80, 0x03, 0x00, 0xc0, 0x0f, 0xe0, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x0f, 0xc0, 0x03, },
132 { 0x00, 0x00, 0x00, 0xe0, 0x07, 0x70, 0x00, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x00, 0x0f, 0xc0, 0x03, },
133 { 0x00, 0x00, 0x00, 0xf0, 0x01, 0x38, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x01, 0x00, 0x0f, 0x80, 0x03, },
134 { 0x00, 0x00, 0x00, 0xf8, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xc0, 0x03, },
135 { 0x00, 0x00, 0x00, 0x1c, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xc0, 0x03, },
136 { 0x00, 0x00, 0x00, 0x07, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xe0, 0x03, },
137 { 0x00, 0x00, 0xc0, 0x03, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x03, },
138 { 0x00, 0x00, 0xe0, 0x00, 0x80, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x01, },
139 { 0x00, 0x00, 0x78, 0x00, 0xc0, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x01, },
140 { 0x00, 0x00, 0x1c, 0x00, 0xe0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x00, },
141 { 0x00, 0x00, 0x06, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f, 0x00, },
142 { 0x00, 0x80, 0x03, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x1f, 0x00, },
143 { 0x00, 0xc0, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
144 { 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
145 { 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
146 { 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x01, },
147 { 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, },
148 { 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, },
149 { 0x00, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, },
150 { 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, },
151 { 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0x03, },
152 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x07, 0x00, },
153 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x07, 0x00, },
154 { 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x0f, 0x00, },
155 { 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x1f, 0x00, },
156 { 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x3f, 0x00, },
157 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x00, },
158 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x01, },
159 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xfc, 0x03, },
160 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x03, },
161 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xf0, 0x03, },
162 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xc0, 0x03, },
163 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, },
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 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, },
174};
175
a6e5d2f6 176SR_PRIV void demo_generate_analog_pattern(struct dev_context *devc)
ba508e22
UH		 177{
178 double t, frequency;
a6e5d2f6
FS		 179 float amplitude, offset;
180 struct analog_pattern *pattern;
ba508e22 181 unsigned int num_samples, i;
a6e5d2f6 182 float value;
ba508e22
UH		 183 int last_end;
184
ba508e22 185 num_samples = ANALOG_BUFSIZE / sizeof(float);
a6e5d2f6
FS		 186 frequency = (double) devc->cur_samplerate / ANALOG_SAMPLES_PER_PERIOD;
187 amplitude = DEFAULT_ANALOG_AMPLITUDE;
188 offset = DEFAULT_ANALOG_OFFSET;
189
190 /* FIXME we actually need only one period. A ringbuffer would be
191 * useful here. */
192 /* Make sure the number of samples we put out is an integer
193 * multiple of our period size */
194
195 /* PATTERN_SQUARE */
196 sr_dbg("Generating %s pattern.", analog_pattern_str[PATTERN_SQUARE]);
197 pattern = g_malloc(sizeof(struct analog_pattern));
198 value = amplitude;
199 last_end = 0;
200 for (i = 0; i < num_samples; i++) {
201 if (i % 5 == 0)
202 value = -value;
203 if (i % 10 == 0)
204 last_end = i;
205 pattern->data[i] = value + offset;
ba508e22 206 }
a6e5d2f6
FS		 207 pattern->num_samples = last_end;
208 devc->analog_patterns[PATTERN_SQUARE] = pattern;
209
210 /* Readjusting num_samples for all other patterns */
211 while (num_samples % ANALOG_SAMPLES_PER_PERIOD != 0)
212 num_samples--;
213
214 /* PATTERN_SINE: */
215 sr_dbg("Generating %s pattern.", analog_pattern_str[PATTERN_SINE]);
216 pattern = g_malloc(sizeof(struct analog_pattern));
217 for (i = 0; i < num_samples; i++) {
218 t = (double) i / (double) devc->cur_samplerate;
219 pattern->data[i] = sin(2 * G_PI * frequency * t) * amplitude + offset;
220 }
221 pattern->num_samples = last_end;
222 devc->analog_patterns[PATTERN_SINE] = pattern;
223
224 /* PATTERN_TRIANGLE: */
225 sr_dbg("Generating %s pattern.", analog_pattern_str[PATTERN_TRIANGLE]);
226 pattern = g_malloc(sizeof(struct analog_pattern));
227 for (i = 0; i < num_samples; i++) {
228 t = (double) i / (double) devc->cur_samplerate;
229 pattern->data[i] = (2 / G_PI) * asin(sin(2 * G_PI * frequency * t)) *
230 amplitude + offset;
231 }
232 pattern->num_samples = last_end;
233 devc->analog_patterns[PATTERN_TRIANGLE] = pattern;
234
235 /* PATTERN_SAWTOOTH: */
236 sr_dbg("Generating %s pattern.", analog_pattern_str[PATTERN_SAWTOOTH]);
237 pattern = g_malloc(sizeof(struct analog_pattern));
238 for (i = 0; i < num_samples; i++) {
239 t = (double) i / (double) devc->cur_samplerate;
240 pattern->data[i] = 2 * ((t * frequency) - floor(0.5f + t * frequency)) *
241 amplitude + offset;
242 }
243 pattern->num_samples = last_end;
244 devc->analog_patterns[PATTERN_SAWTOOTH] = pattern;
ba508e22
UH		 245}
246
03733430
GS		 247static uint64_t encode_number_to_gray(uint64_t nr)
248{
249 return nr ^ (nr >> 1);
250}
251
252static void set_logic_data(uint64_t bits, uint8_t *data, size_t len)
253{
254 while (len--) {
255 *data++ = bits & 0xff;
256 bits >>= 8;
257 }
258}
259
ba508e22
UH		 260static void logic_generator(struct sr_dev_inst *sdi, uint64_t size)
261{
262 struct dev_context *devc;
263 uint64_t i, j;
264 uint8_t pat;
81d53a29
GS		 265 uint8_t *sample;
266 const uint8_t *image_col;
267 size_t col_count, col_height;
03733430 268 uint64_t gray;
ba508e22
UH		 269
270 devc = sdi->priv;
271
272 switch (devc->logic_pattern) {
273 case PATTERN_SIGROK:
274 memset(devc->logic_data, 0x00, size);
275 for (i = 0; i < size; i += devc->logic_unitsize) {
276 for (j = 0; j < devc->logic_unitsize; j++) {
277 pat = pattern_sigrok[(devc->step + j) % sizeof(pattern_sigrok)] >> 1;
278 devc->logic_data[i + j] = ~pat;
279 }
280 devc->step++;
281 }
282 break;
283 case PATTERN_RANDOM:
284 for (i = 0; i < size; i++)
285 devc->logic_data[i] = (uint8_t)(rand() & 0xff);
286 break;
287 case PATTERN_INC:
288 for (i = 0; i < size; i++) {
8ebad343 289 for (j = 0; j < devc->logic_unitsize; j++)
ba508e22 290 devc->logic_data[i + j] = devc->step;
ba508e22
UH		 291 devc->step++;
292 }
293 break;
845060fa
SA		 294 case PATTERN_WALKING_ONE:
295 /* j contains the value of the highest bit */
d1078180 296 j = 1 << (devc->num_logic_channels - 1);
845060fa
SA		 297 for (i = 0; i < size; i++) {
298 devc->logic_data[i] = devc->step;
299 if (devc->step == 0)
300 devc->step = 1;
301 else
302 if (devc->step == j)
303 devc->step = 0;
304 else
305 devc->step <<= 1;
306 }
307 break;
308 case PATTERN_WALKING_ZERO:
309 /* Same as walking one, only with inverted output */
310 /* j contains the value of the highest bit */
d1078180 311 j = 1 << (devc->num_logic_channels - 1);
845060fa
SA		 312 for (i = 0; i < size; i++) {
313 devc->logic_data[i] = ~devc->step;
314 if (devc->step == 0)
315 devc->step = 1;
316 else
317 if (devc->step == j)
318 devc->step = 0;
319 else
320 devc->step <<= 1;
321 }
322 break;
ba508e22
UH		 323 case PATTERN_ALL_LOW:
324 case PATTERN_ALL_HIGH:
325 /* These were set when the pattern mode was selected. */
326 break;
81d53a29
GS		 327 case PATTERN_SQUID:
328 memset(devc->logic_data, 0x00, size);
329 col_count = ARRAY_SIZE(pattern_squid);
330 col_height = ARRAY_SIZE(pattern_squid[0]);
331 for (i = 0; i < size; i += devc->logic_unitsize) {
332 sample = &devc->logic_data[i];
333 image_col = pattern_squid[devc->step];
334 for (j = 0; j < devc->logic_unitsize; j++) {
335 pat = image_col[j % col_height];
336 sample[j] = pat;
337 }
338 devc->step++;
339 devc->step %= col_count;
340 }
341 break;
03733430
GS		 342 case PATTERN_GRAYCODE:
343 for (i = 0; i < size; i += devc->logic_unitsize) {
344 devc->step++;
345 devc->step &= devc->all_logic_channels_mask;
346 gray = encode_number_to_gray(devc->step);
347 gray &= devc->all_logic_channels_mask;
348 set_logic_data(gray, &devc->logic_data[i], devc->logic_unitsize);
349 }
350 break;
ba508e22
UH		 351 default:
352 sr_err("Unknown pattern: %d.", devc->logic_pattern);
353 break;
354 }
355}
356
4a465510
GS		 357/*
358 * Fixup a memory image of generated logic data before it gets sent to
359 * the session's datafeed. Mask out content from disabled channels.
360 *
361 * TODO: Need we apply a channel map, and enforce a dense representation
362 * of the enabled channels' data?
363 */
364static void logic_fixup_feed(struct dev_context *devc,
365 struct sr_datafeed_logic *logic)
366{
367 size_t fp_off;
368 uint8_t fp_mask;
369 size_t off, idx;
370 uint8_t *sample;
371
372 fp_off = devc->first_partial_logic_index;
373 fp_mask = devc->first_partial_logic_mask;
374 if (fp_off == logic->unitsize)
375 return;
376
377 for (off = 0; off < logic->length; off += logic->unitsize) {
378 sample = logic->data + off;
379 sample[fp_off] &= fp_mask;
380 for (idx = fp_off + 1; idx < logic->unitsize; idx++)
381 sample[idx] = 0x00;
382 }
383}
384
ba508e22
UH		 385static void send_analog_packet(struct analog_gen *ag,
386 struct sr_dev_inst *sdi, uint64_t *analog_sent,
387 uint64_t analog_pos, uint64_t analog_todo)
388{
389 struct sr_datafeed_packet packet;
390 struct dev_context *devc;
a6e5d2f6 391 struct analog_pattern *pattern;
ba508e22
UH		 392 uint64_t sending_now, to_avg;
393 int ag_pattern_pos;
394 unsigned int i;
a6e5d2f6
FS		 395 float amplitude, offset, value;
396 float *data;
ba508e22 397
01f2adb0
GS		 398 if (!ag->ch || !ag->ch->enabled)
399 return;
400
ba508e22
UH		 401 devc = sdi->priv;
402 packet.type = SR_DF_ANALOG;
403 packet.payload = &ag->packet;
404
a6e5d2f6
FS		 405 pattern = devc->analog_patterns[ag->pattern];
406
94f364ec
FS		 407 ag->packet.meaning->channels = g_slist_append(NULL, ag->ch);
408 ag->packet.meaning->mq = ag->mq;
409 ag->packet.meaning->mqflags = ag->mq_flags;
410
411 /* Set a unit for the given quantity */
412 if (ag->mq == SR_MQ_VOLTAGE)
413 ag->packet.meaning->unit = SR_UNIT_VOLT;
414 else if (ag->mq == SR_MQ_CURRENT)
415 ag->packet.meaning->unit = SR_UNIT_AMPERE;
416 else if (ag->mq == SR_MQ_RESISTANCE)
417 ag->packet.meaning->unit = SR_UNIT_OHM;
418 else if (ag->mq == SR_MQ_CAPACITANCE)
419 ag->packet.meaning->unit = SR_UNIT_FARAD;
420 else if (ag->mq == SR_MQ_TEMPERATURE)
421 ag->packet.meaning->unit = SR_UNIT_CELSIUS;
422 else if (ag->mq == SR_MQ_FREQUENCY)
423 ag->packet.meaning->unit = SR_UNIT_HERTZ;
424 else if (ag->mq == SR_MQ_DUTY_CYCLE)
425 ag->packet.meaning->unit = SR_UNIT_PERCENTAGE;
426 else if (ag->mq == SR_MQ_CONTINUITY)
427 ag->packet.meaning->unit = SR_UNIT_OHM;
428 else if (ag->mq == SR_MQ_PULSE_WIDTH)
429 ag->packet.meaning->unit = SR_UNIT_PERCENTAGE;
430 else if (ag->mq == SR_MQ_CONDUCTANCE)
431 ag->packet.meaning->unit = SR_UNIT_SIEMENS;
432 else if (ag->mq == SR_MQ_POWER)
433 ag->packet.meaning->unit = SR_UNIT_WATT;
434 else if (ag->mq == SR_MQ_GAIN)
435 ag->packet.meaning->unit = SR_UNIT_UNITLESS;
436 else if (ag->mq == SR_MQ_SOUND_PRESSURE_LEVEL)
437 ag->packet.meaning->unit = SR_UNIT_DECIBEL_SPL;
438 else if (ag->mq == SR_MQ_CARBON_MONOXIDE)
439 ag->packet.meaning->unit = SR_UNIT_CONCENTRATION;
440 else if (ag->mq == SR_MQ_RELATIVE_HUMIDITY)
441 ag->packet.meaning->unit = SR_UNIT_HUMIDITY_293K;
442 else if (ag->mq == SR_MQ_TIME)
443 ag->packet.meaning->unit = SR_UNIT_SECOND;
444 else if (ag->mq == SR_MQ_WIND_SPEED)
445 ag->packet.meaning->unit = SR_UNIT_METER_SECOND;
446 else if (ag->mq == SR_MQ_PRESSURE)
447 ag->packet.meaning->unit = SR_UNIT_HECTOPASCAL;
448 else if (ag->mq == SR_MQ_PARALLEL_INDUCTANCE)
449 ag->packet.meaning->unit = SR_UNIT_HENRY;
450 else if (ag->mq == SR_MQ_PARALLEL_CAPACITANCE)
451 ag->packet.meaning->unit = SR_UNIT_FARAD;
452 else if (ag->mq == SR_MQ_PARALLEL_RESISTANCE)
453 ag->packet.meaning->unit = SR_UNIT_OHM;
454 else if (ag->mq == SR_MQ_SERIES_INDUCTANCE)
455 ag->packet.meaning->unit = SR_UNIT_HENRY;
456 else if (ag->mq == SR_MQ_SERIES_CAPACITANCE)
457 ag->packet.meaning->unit = SR_UNIT_FARAD;
458 else if (ag->mq == SR_MQ_SERIES_RESISTANCE)
459 ag->packet.meaning->unit = SR_UNIT_OHM;
460 else if (ag->mq == SR_MQ_DISSIPATION_FACTOR)
461 ag->packet.meaning->unit = SR_UNIT_UNITLESS;
462 else if (ag->mq == SR_MQ_QUALITY_FACTOR)
463 ag->packet.meaning->unit = SR_UNIT_UNITLESS;
464 else if (ag->mq == SR_MQ_PHASE_ANGLE)
465 ag->packet.meaning->unit = SR_UNIT_DEGREE;
466 else if (ag->mq == SR_MQ_DIFFERENCE)
467 ag->packet.meaning->unit = SR_UNIT_UNITLESS;
468 else if (ag->mq == SR_MQ_COUNT)
469 ag->packet.meaning->unit = SR_UNIT_PIECE;
470 else if (ag->mq == SR_MQ_POWER_FACTOR)
471 ag->packet.meaning->unit = SR_UNIT_UNITLESS;
472 else if (ag->mq == SR_MQ_APPARENT_POWER)
473 ag->packet.meaning->unit = SR_UNIT_VOLT_AMPERE;
474 else if (ag->mq == SR_MQ_MASS)
475 ag->packet.meaning->unit = SR_UNIT_GRAM;
476 else if (ag->mq == SR_MQ_HARMONIC_RATIO)
477 ag->packet.meaning->unit = SR_UNIT_UNITLESS;
478 else
479 ag->packet.meaning->unit = SR_UNIT_UNITLESS;
480
ba508e22 481 if (!devc->avg) {
a6e5d2f6
FS		 482 ag_pattern_pos = analog_pos % pattern->num_samples;
483 sending_now = MIN(analog_todo, pattern->num_samples - ag_pattern_pos);
484 if (ag->amplitude != DEFAULT_ANALOG_AMPLITUDE ||
485 ag->offset != DEFAULT_ANALOG_OFFSET) {
486
487 /* Amplitude or offset changed, modify each sample */
488 amplitude = ag->amplitude / DEFAULT_ANALOG_AMPLITUDE;
489 offset = ag->offset - DEFAULT_ANALOG_OFFSET;
490 data = ag->packet.data;
491 for (i = 0; i < sending_now; i++) {
492 data[i] = pattern->data[ag_pattern_pos + i] * amplitude + offset;
493 }
494 } else {
495 /* Amplitude and offset not changed, use the fast way */
496 ag->packet.data = pattern->data + ag_pattern_pos;
497 }
ba508e22
UH		 498 ag->packet.num_samples = sending_now;
499 sr_session_send(sdi, &packet);
500
501 /* Whichever channel group gets there first. */
502 *analog_sent = MAX(*analog_sent, sending_now);
503 } else {
a6e5d2f6
FS		 504 ag_pattern_pos = analog_pos % pattern->num_samples;
505 to_avg = MIN(analog_todo, pattern->num_samples - ag_pattern_pos);
506 amplitude = ag->amplitude / DEFAULT_ANALOG_AMPLITUDE;
507 offset = ag->offset - DEFAULT_ANALOG_OFFSET;
ba508e22
UH		 508
509 for (i = 0; i < to_avg; i++) {
a6e5d2f6
FS		 510 value = *(pattern->data + ag_pattern_pos + i) * amplitude + offset;
511 ag->avg_val = (ag->avg_val + value) / 2;
ba508e22
UH		 512 ag->num_avgs++;
513 /* Time to send averaged data? */
d1078180 514 if ((devc->avg_samples > 0) && (ag->num_avgs >= devc->avg_samples))
ba508e22
UH		 515 goto do_send;
516 }
517
518 if (devc->avg_samples == 0) {
a6e5d2f6
FS		 519 /*
520 * We're averaging all the samples, so wait with
ba508e22
UH		 521 * sending until the very end.
522 */
523 *analog_sent = ag->num_avgs;
524 return;
525 }
526
527do_send:
528 ag->packet.data = &ag->avg_val;
529 ag->packet.num_samples = 1;
530
531 sr_session_send(sdi, &packet);
532 *analog_sent = ag->num_avgs;
533
534 ag->num_avgs = 0;
535 ag->avg_val = 0.0f;
536 }
537}
538
539/* Callback handling data */
540SR_PRIV int demo_prepare_data(int fd, int revents, void *cb_data)
541{
542 struct sr_dev_inst *sdi;
543 struct dev_context *devc;
544 struct sr_datafeed_packet packet;
545 struct sr_datafeed_logic logic;
546 struct analog_gen *ag;
547 GHashTableIter iter;
548 void *value;
549 uint64_t samples_todo, logic_done, analog_done, analog_sent, sending_now;
550 int64_t elapsed_us, limit_us, todo_us;
6fc51fb1 551 int64_t trigger_offset;
552 int pre_trigger_samples;
ba508e22
UH		 553
554 (void)fd;
555 (void)revents;
556
557 sdi = cb_data;
558 devc = sdi->priv;
559
560 /* Just in case. */
561 if (devc->cur_samplerate <= 0
562 || (devc->num_logic_channels <= 0
563 && devc->num_analog_channels <= 0)) {
d2f7c417 564 sr_dev_acquisition_stop(sdi);
ba508e22
UH		 565 return G_SOURCE_CONTINUE;
566 }
567
568 /* What time span should we send samples for? */
569 elapsed_us = g_get_monotonic_time() - devc->start_us;
570 limit_us = 1000 * devc->limit_msec;
571 if (limit_us > 0 && limit_us < elapsed_us)
572 todo_us = MAX(0, limit_us - devc->spent_us);
573 else
574 todo_us = MAX(0, elapsed_us - devc->spent_us);
575
576 /* How many samples are outstanding since the last round? */
577 samples_todo = (todo_us * devc->cur_samplerate + G_USEC_PER_SEC - 1)
578 / G_USEC_PER_SEC;
f55bea76 579
ba508e22
UH		 580 if (devc->limit_samples > 0) {
581 if (devc->limit_samples < devc->sent_samples)
582 samples_todo = 0;
583 else if (devc->limit_samples - devc->sent_samples < samples_todo)
584 samples_todo = devc->limit_samples - devc->sent_samples;
585 }
f55bea76 586
767ca135
SA		 587 if (samples_todo == 0)
588 return G_SOURCE_CONTINUE;
589
fb193945
GS		 590 if (devc->limit_frames) {
591 /* Never send more samples than a frame can fit... */
592 samples_todo = MIN(samples_todo, SAMPLES_PER_FRAME);
593 /* ...or than we need to finish the current frame. */
594 samples_todo = MIN(samples_todo,
595 SAMPLES_PER_FRAME - devc->sent_frame_samples);
596 }
767ca135 597
ba508e22
UH		 598 /* Calculate the actual time covered by this run back from the sample
599 * count, rounded towards zero. This avoids getting stuck on a too-low
600 * time delta with no samples being sent due to round-off.
601 */
602 todo_us = samples_todo * G_USEC_PER_SEC / devc->cur_samplerate;
603
405b9c10 604 logic_done = devc->num_logic_channels > 0 ? 0 : samples_todo;
1b7b72d4
GS		 605 if (!devc->enabled_logic_channels)
606 logic_done = samples_todo;
d1078180 607
ba508e22 608 analog_done = devc->num_analog_channels > 0 ? 0 : samples_todo;
1b7b72d4
GS		 609 if (!devc->enabled_analog_channels)
610 analog_done = samples_todo;
d1078180 611
ba508e22
UH		 612 while (logic_done < samples_todo || analog_done < samples_todo) {
613 /* Logic */
614 if (logic_done < samples_todo) {
615 sending_now = MIN(samples_todo - logic_done,
616 LOGIC_BUFSIZE / devc->logic_unitsize);
617 logic_generator(sdi, sending_now * devc->logic_unitsize);
d1078180
SA		 618 /* Check for trigger and send pre-trigger data if needed */
619 if (devc->stl && (!devc->trigger_fired)) {
6fc51fb1 620 trigger_offset = soft_trigger_logic_check(devc->stl,
d1078180 621 devc->logic_data, sending_now * devc->logic_unitsize,
6fc51fb1 622 &pre_trigger_samples);
d1078180 623 if (trigger_offset > -1) {
6fc51fb1 624 devc->trigger_fired = TRUE;
625 logic_done = pre_trigger_samples;
d1078180 626 }
6fc51fb1 627 } else
628 trigger_offset = 0;
629
d1078180
SA		 630 /* Send logic samples if needed */
631 packet.type = SR_DF_LOGIC;
632 packet.payload = &logic;
633 logic.unitsize = devc->logic_unitsize;
634
635 if (devc->stl) {
636 if (devc->trigger_fired && (trigger_offset < (int)sending_now)) {
637 /* Send after-trigger data */
638 logic.length = (sending_now - trigger_offset) * devc->logic_unitsize;
639 logic.data = devc->logic_data + trigger_offset * devc->logic_unitsize;
640 logic_fixup_feed(devc, &logic);
641 sr_session_send(sdi, &packet);
642 logic_done += sending_now - trigger_offset;
643 /* End acquisition */
644 sr_dbg("Triggered, stopping acquisition.");
645 sr_dev_acquisition_stop(sdi);
646 break;
647 } else {
648 /* Send nothing */
649 logic_done += sending_now;
650 }
651 } else if (!devc->stl) {
652 /* No trigger defined, send logic samples */
653 logic.length = sending_now * devc->logic_unitsize;
654 logic.data = devc->logic_data;
6fc51fb1 655 logic_fixup_feed(devc, &logic);
656 sr_session_send(sdi, &packet);
d1078180 657 logic_done += sending_now;
6fc51fb1 658 }
ba508e22
UH		 659 }
660
661 /* Analog, one channel at a time */
d1078180 662 if (analog_done < samples_todo) {
ba508e22
UH		 663 analog_sent = 0;
664
665 g_hash_table_iter_init(&iter, devc->ch_ag);
666 while (g_hash_table_iter_next(&iter, NULL, &value)) {
667 send_analog_packet(value, sdi, &analog_sent,
668 devc->sent_samples + analog_done,
669 samples_todo - analog_done);
670 }
671 analog_done += analog_sent;
672 }
673 }
6fc51fb1 674
675 uint64_t min = MIN(logic_done, analog_done);
676 devc->sent_samples += min;
677 devc->sent_frame_samples += min;
ba508e22
UH		 678 devc->spent_us += todo_us;
679
fb193945 680 if (devc->limit_frames && devc->sent_frame_samples >= SAMPLES_PER_FRAME) {
767ca135
SA		 681 std_session_send_frame_end(sdi);
682 devc->sent_frame_samples = 0;
fb193945
GS		 683 devc->limit_frames--;
684 if (!devc->limit_frames) {
685 sr_dbg("Requested number of frames reached.");
686 sr_dev_acquisition_stop(sdi);
687 }
767ca135 688 }
767ca135 689
ba508e22
UH		 690 if ((devc->limit_samples > 0 && devc->sent_samples >= devc->limit_samples)
691 || (limit_us > 0 && devc->spent_us >= limit_us)) {
692
693 /* If we're averaging everything - now is the time to send data */
d1144645 694 if (devc->avg && devc->avg_samples == 0) {
ba508e22
UH		 695 g_hash_table_iter_init(&iter, devc->ch_ag);
696 while (g_hash_table_iter_next(&iter, NULL, &value)) {
697 ag = value;
698 packet.type = SR_DF_ANALOG;
699 packet.payload = &ag->packet;
700 ag->packet.data = &ag->avg_val;
701 ag->packet.num_samples = 1;
702 sr_session_send(sdi, &packet);
703 }
704 }
705 sr_dbg("Requested number of samples reached.");
d2f7c417 706 sr_dev_acquisition_stop(sdi);
fb193945 707 } else if (devc->limit_frames) {
767ca135 708 if (devc->sent_frame_samples == 0)
f55bea76 709 std_session_send_frame_begin(sdi);
ba508e22
UH		 710 }
711
712 return G_SOURCE_CONTINUE;
713}
Hardware access and backend lib