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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <config.h> | |
21 | #include <stdio.h> | |
22 | #include <string.h> | |
23 | #include <glib.h> | |
24 | #include <glib/gstdio.h> | |
25 | #include <check.h> | |
26 | #include <libsigrok/libsigrok.h> | |
27 | #include "lib.h" | |
28 | ||
29 | struct sr_context *srtest_ctx; | |
30 | ||
31 | void srtest_setup(void) | |
32 | { | |
33 | int ret; | |
34 | ||
35 | ret = sr_init(&srtest_ctx); | |
36 | fail_unless(ret == SR_OK, "sr_init() failed: %d.", ret); | |
37 | } | |
38 | ||
39 | void srtest_teardown(void) | |
40 | { | |
41 | int ret; | |
42 | ||
43 | ret = sr_exit(srtest_ctx); | |
44 | fail_unless(ret == SR_OK, "sr_exit() failed: %d.", ret); | |
45 | } | |
46 | ||
47 | /* Get a libsigrok driver by name. */ | |
48 | struct sr_dev_driver *srtest_driver_get(const char *drivername) | |
49 | { | |
50 | struct sr_dev_driver **drivers, *driver = NULL; | |
51 | int i; | |
52 | ||
53 | drivers = sr_driver_list(srtest_ctx); | |
54 | fail_unless(drivers != NULL, "No drivers found."); | |
55 | ||
56 | for (i = 0; drivers[i]; i++) { | |
57 | if (strcmp(drivers[i]->name, drivername)) | |
58 | continue; | |
59 | driver = drivers[i]; | |
60 | } | |
61 | fail_unless(driver != NULL, "Driver '%s' not found.", drivername); | |
62 | ||
63 | return driver; | |
64 | } | |
65 | ||
66 | /* Initialize a libsigrok driver. */ | |
67 | void srtest_driver_init(struct sr_context *sr_ctx, struct sr_dev_driver *driver) | |
68 | { | |
69 | int ret; | |
70 | ||
71 | ret = sr_driver_init(sr_ctx, driver); | |
72 | fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.", | |
73 | driver->name, ret); | |
74 | } | |
75 | ||
76 | /* Initialize all libsigrok drivers. */ | |
77 | void srtest_driver_init_all(struct sr_context *sr_ctx) | |
78 | { | |
79 | struct sr_dev_driver **drivers, *driver; | |
80 | int i, ret; | |
81 | ||
82 | drivers = sr_driver_list(srtest_ctx); | |
83 | fail_unless(drivers != NULL, "No drivers found."); | |
84 | ||
85 | for (i = 0; drivers[i]; i++) { | |
86 | driver = drivers[i]; | |
87 | ret = sr_driver_init(sr_ctx, driver); | |
88 | fail_unless(ret == SR_OK, "Failed to init '%s' driver: %d.", | |
89 | driver->name, ret); | |
90 | } | |
91 | } | |
92 | ||
93 | /* Set the samplerate for the respective driver to the specified value. */ | |
94 | void srtest_set_samplerate(struct sr_dev_driver *driver, uint64_t samplerate) | |
95 | { | |
96 | int ret; | |
97 | struct sr_dev_inst *sdi; | |
98 | GVariant *gvar; | |
99 | ||
100 | sdi = g_slist_nth_data(driver->context, 0); | |
101 | ||
102 | gvar = g_variant_new_uint64(samplerate); | |
103 | ret = driver->config_set(SR_CONF_SAMPLERATE, gvar, sdi, NULL); | |
104 | g_variant_unref(gvar); | |
105 | ||
106 | fail_unless(ret == SR_OK, "%s: Failed to set SR_CONF_SAMPLERATE: %d.", | |
107 | driver->name, ret); | |
108 | } | |
109 | ||
110 | /* Get the respective driver's current samplerate. */ | |
111 | uint64_t srtest_get_samplerate(struct sr_dev_driver *driver) | |
112 | { | |
113 | int ret; | |
114 | uint64_t samplerate; | |
115 | struct sr_dev_inst *sdi; | |
116 | GVariant *gvar; | |
117 | ||
118 | sdi = g_slist_nth_data(driver->context, 0); | |
119 | ||
120 | ret = driver->config_get(SR_CONF_SAMPLERATE, &gvar, sdi, NULL); | |
121 | samplerate = g_variant_get_uint64(gvar); | |
122 | g_variant_unref(gvar); | |
123 | ||
124 | fail_unless(ret == SR_OK, "%s: Failed to get SR_CONF_SAMPLERATE: %d.", | |
125 | driver->name, ret); | |
126 | ||
127 | return samplerate; | |
128 | } | |
129 | ||
130 | /* Check whether the respective driver can set/get the correct samplerate. */ | |
131 | void srtest_check_samplerate(struct sr_context *sr_ctx, const char *drivername, | |
132 | uint64_t samplerate) | |
133 | { | |
134 | struct sr_dev_driver *driver; | |
135 | uint64_t s; | |
136 | ||
137 | driver = srtest_driver_get(drivername); | |
138 | srtest_driver_init(sr_ctx, driver);; | |
139 | srtest_set_samplerate(driver, samplerate); | |
140 | s = srtest_get_samplerate(driver); | |
141 | fail_unless(s == samplerate, "%s: Incorrect samplerate: %" PRIu64 ".", | |
142 | drivername, s); | |
143 | } | |
144 | ||
145 | GArray *srtest_get_enabled_logic_channels(const struct sr_dev_inst *sdi) | |
146 | { | |
147 | struct sr_channel *ch; | |
148 | GArray *channels; | |
149 | GSList *l; | |
150 | ||
151 | channels = g_array_new(FALSE, FALSE, sizeof(int)); | |
152 | for (l = sr_dev_inst_channels_get(sdi); l; l = l->next) { | |
153 | ch = l->data; | |
154 | if (ch->type != SR_CHANNEL_LOGIC) | |
155 | continue; | |
156 | if (ch->enabled != TRUE) | |
157 | continue; | |
158 | g_array_append_val(channels, ch->index); | |
159 | } | |
160 | ||
161 | return channels; | |
162 | } |