Use getters now that 'struct sr_dev_inst' is opaque.
[sigrok-cli.git] / main.c
blob81dc4ad21055a11bfc6f199d1dff732e388eb620
1 /*
2 * This file is part of the sigrok-cli project.
4 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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 3 of the License, or
9 * (at your option) any later version.
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.
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/>.
20 #include "sigrok-cli.h"
21 #include <stdlib.h>
22 #include <glib.h>
24 struct sr_context *sr_ctx = NULL;
25 #ifdef HAVE_SRD
26 struct srd_session *srd_sess = NULL;
27 #endif
29 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
30 const gchar *message, gpointer cb_data)
32 (void)log_domain;
33 (void)cb_data;
36 * All messages, warnings, errors etc. go to stderr (not stdout) in
37 * order to not mess up the CLI tool data output, e.g. VCD output.
39 if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
40 || opt_loglevel > SR_LOG_WARN) {
41 fprintf(stderr, "%s\n", message);
42 fflush(stderr);
45 if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL))
46 exit(1);
50 int select_channels(struct sr_dev_inst *sdi)
52 struct sr_channel *ch;
53 GSList *selected_channels, *l, *channels;
55 channels = sr_dev_inst_channels_get(sdi);
57 if (opt_channels) {
58 if (!(selected_channels = parse_channelstring(sdi, opt_channels)))
59 return SR_ERR;
61 for (l = channels; l; l = l->next) {
62 ch = l->data;
63 if (g_slist_find(selected_channels, ch))
64 ch->enabled = TRUE;
65 else
66 ch->enabled = FALSE;
68 g_slist_free(selected_channels);
70 #ifdef HAVE_SRD
71 map_pd_channels(sdi);
72 #endif
73 return SR_OK;
76 static void get_option(void)
78 struct sr_dev_inst *sdi;
79 struct sr_channel_group *cg;
80 const struct sr_config_info *ci;
81 GSList *devices;
82 GVariant *gvar;
83 GHashTable *devargs;
84 int ret;
85 char *s;
86 struct sr_dev_driver *driver;
88 if (!(devices = device_scan())) {
89 g_critical("No devices found.");
90 return;
92 sdi = devices->data;
93 g_slist_free(devices);
95 driver = sr_dev_inst_driver_get(sdi);
97 if (sr_dev_open(sdi) != SR_OK) {
98 g_critical("Failed to open device.");
99 return;
102 cg = select_channel_group(sdi);
103 if (!(ci = sr_config_info_name_get(opt_get)))
104 g_critical("Unknown option '%s'", opt_get);
106 if ((devargs = parse_generic_arg(opt_config, FALSE)))
107 set_dev_options(sdi, devargs);
108 else devargs = NULL;
110 if ((ret = sr_config_get(driver, sdi, cg, ci->key, &gvar)) != SR_OK)
111 g_critical("Failed to get '%s': %s", opt_get, sr_strerror(ret));
112 s = g_variant_print(gvar, FALSE);
113 printf("%s\n", s);
114 g_free(s);
116 g_variant_unref(gvar);
117 sr_dev_close(sdi);
118 if (devargs)
119 g_hash_table_destroy(devargs);
122 static void set_options(void)
124 struct sr_dev_inst *sdi;
125 GSList *devices;
126 GHashTable *devargs;
128 if (!opt_config) {
129 g_critical("No setting specified.");
130 return;
133 if (!(devargs = parse_generic_arg(opt_config, FALSE)))
134 return;
136 if (!(devices = device_scan())) {
137 g_critical("No devices found.");
138 return;
140 sdi = devices->data;
141 g_slist_free(devices);
143 if (sr_dev_open(sdi) != SR_OK) {
144 g_critical("Failed to open device.");
145 return;
148 set_dev_options(sdi, devargs);
150 sr_dev_close(sdi);
151 g_hash_table_destroy(devargs);
155 int main(int argc, char **argv)
157 g_log_set_default_handler(logger, NULL);
159 if (parse_options(argc, argv)) {
160 return 1;
163 /* Set the loglevel (amount of messages to output) for libsigrok. */
164 if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
165 goto done;
167 if (sr_init(&sr_ctx) != SR_OK)
168 goto done;
170 #ifdef HAVE_SRD
171 /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
172 if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
173 goto done;
175 if (opt_pds) {
176 if (srd_init(NULL) != SRD_OK)
177 goto done;
178 if (srd_session_new(&srd_sess) != SRD_OK) {
179 g_critical("Failed to create new decode session.");
180 goto done;
182 if (register_pds(opt_pds, opt_pd_annotations) != 0)
183 goto done;
184 if (setup_pd_stack(opt_pds, opt_pd_stack, opt_pd_annotations) != 0)
185 goto done;
187 /* Only one output type is ever shown. */
188 if (opt_pd_binary) {
189 if (setup_pd_binary(opt_pd_binary) != 0)
190 goto done;
191 if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
192 show_pd_binary, NULL) != SRD_OK)
193 goto done;
194 } else if (opt_pd_meta) {
195 if (setup_pd_meta(opt_pd_meta) != 0)
196 goto done;
197 if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
198 show_pd_meta, NULL) != SRD_OK)
199 goto done;
200 } else {
201 if (opt_pd_annotations)
202 if (setup_pd_annotations(opt_pd_annotations) != 0)
203 goto done;
204 if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
205 show_pd_annotations, NULL) != SRD_OK)
206 goto done;
209 #endif
211 if (opt_version)
212 show_version();
213 else if (opt_input_format && opt_show)
214 show_input();
215 else if (opt_output_format && opt_show)
216 show_output();
217 else if (opt_scan_devs)
218 show_dev_list();
219 #ifdef HAVE_SRD
220 else if (opt_pds && opt_show)
221 show_pd_detail();
222 #endif
223 else if (opt_show)
224 show_dev_detail();
225 else if (opt_input_file)
226 load_input_file();
227 else if (opt_get)
228 get_option();
229 else if (opt_set)
230 set_options();
231 else if (opt_samples || opt_time || opt_frames || opt_continuous)
232 run_session();
233 else
234 show_help();
236 #ifdef HAVE_SRD
237 if (opt_pds)
238 srd_exit();
239 #endif
241 done:
242 if (sr_ctx)
243 sr_exit(sr_ctx);
245 return 0;