Fix saving to session file.
[sigrok-cli.git] / main.c
1 /*
2  * This file is part of the sigrok-cli project.
3  *
4  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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 3 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 "sigrok-cli.h"
21 #include <stdlib.h>
22 #include <glib.h>
23
24 struct sr_context *sr_ctx = NULL;
25 #ifdef HAVE_SRD
26 struct srd_session *srd_sess = NULL;
27 #endif
28
29 static gboolean opt_version = FALSE;
30 gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings by default. */
31 static gboolean opt_scan_devs = FALSE;
32 gboolean opt_wait_trigger = FALSE;
33 gchar *opt_input_file = NULL;
34 gchar *opt_output_file = NULL;
35 gchar *opt_drv = NULL;
36 gchar *opt_config = NULL;
37 static gchar *opt_channels = NULL;
38 gchar *opt_channel_group = NULL;
39 gchar *opt_triggers = NULL;
40 gchar *opt_pds = NULL;
41 #ifdef HAVE_SRD
42 static gchar *opt_pd_stack = NULL;
43 static gchar *opt_pd_annotations = NULL;
44 static gchar *opt_pd_meta = NULL;
45 static gchar *opt_pd_binary = NULL;
46 #endif
47 gchar *opt_input_format = NULL;
48 gchar *opt_output_format = NULL;
49 static gchar *opt_show = NULL;
50 gchar *opt_time = NULL;
51 gchar *opt_samples = NULL;
52 gchar *opt_frames = NULL;
53 gchar *opt_continuous = NULL;
54 static gchar *opt_set = NULL;
55
56 static GOptionEntry optargs[] = {
57         {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
58                         "Show version and support list", NULL},
59         {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
60                         "Set loglevel (5 is most verbose)", NULL},
61         {"driver", 'd', 0, G_OPTION_ARG_STRING, &opt_drv,
62                         "The driver to use", NULL},
63         {"config", 'c', 0, G_OPTION_ARG_STRING, &opt_config,
64                         "Specify device configuration options", NULL},
65         {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
66                         "Load input from file", NULL},
67         {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
68                         "Input format", NULL},
69         {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
70                         "Save output to file", NULL},
71         {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
72                         "Output format", NULL},
73         {"channels", 'C', 0, G_OPTION_ARG_STRING, &opt_channels,
74                         "Channels to use", NULL},
75         {"channel-group", 'g', 0, G_OPTION_ARG_STRING, &opt_channel_group,
76                         "Channel groups", NULL},
77         {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
78                         "Trigger configuration", NULL},
79         {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
80                         "Wait for trigger", NULL},
81 #ifdef HAVE_SRD
82         {"protocol-decoders", 'P', 0, G_OPTION_ARG_STRING, &opt_pds,
83                         "Protocol decoders to run", NULL},
84         {"protocol-decoder-stack", 'S', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
85                         "Protocol decoder stack", NULL},
86         {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
87                         "Protocol decoder annotation(s) to show", NULL},
88         {"protocol-decoder-meta", 'M', 0, G_OPTION_ARG_STRING, &opt_pd_meta,
89                         "Protocol decoder meta output to show", NULL},
90         {"protocol-decoder-binary", 'B', 0, G_OPTION_ARG_STRING, &opt_pd_binary,
91                         "Protocol decoder binary output to show", NULL},
92 #endif
93         {"scan", 0, 0, G_OPTION_ARG_NONE, &opt_scan_devs,
94                         "Scan for devices", NULL},
95         {"show", 0, 0, G_OPTION_ARG_NONE, &opt_show,
96                         "Show device detail", NULL},
97         {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
98                         "How long to sample (ms)", NULL},
99         {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
100                         "Number of samples to acquire", NULL},
101         {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
102                         "Number of frames to acquire", NULL},
103         {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
104                         "Sample continuously", NULL},
105         {"set", 0, 0, G_OPTION_ARG_NONE, &opt_set, "Set device options only", NULL},
106         {NULL, 0, 0, 0, NULL, NULL, NULL}
107 };
108
109
110 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
111                    const gchar *message, gpointer cb_data)
112 {
113         (void)log_domain;
114         (void)cb_data;
115
116         /*
117          * All messages, warnings, errors etc. go to stderr (not stdout) in
118          * order to not mess up the CLI tool data output, e.g. VCD output.
119          */
120         if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
121                         || opt_loglevel > SR_LOG_WARN) {
122                 fprintf(stderr, "%s\n", message);
123                 fflush(stderr);
124         }
125
126         if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL))
127                 exit(1);
128
129 }
130
131 int select_channels(struct sr_dev_inst *sdi)
132 {
133         struct sr_channel *ch;
134         GSList *selected_channels, *l;
135
136         if (opt_channels) {
137                 if (!(selected_channels = parse_channelstring(sdi, opt_channels)))
138                         return SR_ERR;
139
140                 for (l = sdi->channels; l; l = l->next) {
141                         ch = l->data;
142                         if (g_slist_find(selected_channels, ch))
143                                 ch->enabled = TRUE;
144                         else
145                                 ch->enabled = FALSE;
146                 }
147                 g_slist_free(selected_channels);
148         }
149 #ifdef HAVE_SRD
150         map_pd_channels(sdi);
151 #endif
152         return SR_OK;
153 }
154
155 static void set_options(void)
156 {
157         struct sr_dev_inst *sdi;
158         GSList *devices;
159         GHashTable *devargs;
160
161         if (!opt_config) {
162                 g_critical("No setting specified.");
163                 return;
164         }
165
166         if (!(devargs = parse_generic_arg(opt_config, FALSE)))
167                 return;
168
169         if (!(devices = device_scan())) {
170                 g_critical("No devices found.");
171                 return;
172         }
173         sdi = devices->data;
174
175         if (sr_dev_open(sdi) != SR_OK) {
176                 g_critical("Failed to open device.");
177                 return;
178         }
179
180         set_dev_options(sdi, devargs);
181
182         sr_dev_close(sdi);
183         g_slist_free(devices);
184         g_hash_table_destroy(devargs);
185
186 }
187
188 int main(int argc, char **argv)
189 {
190         GOptionContext *context;
191         GError *error;
192         int ret;
193         char *help;
194
195         g_log_set_default_handler(logger, NULL);
196
197         context = g_option_context_new(NULL);
198         g_option_context_add_main_entries(context, optargs, NULL);
199
200         ret = 1;
201         error = NULL;
202         if (!g_option_context_parse(context, &argc, &argv, &error)) {
203                 g_critical("%s", error->message);
204                 goto done;
205         }
206
207         /* Set the loglevel (amount of messages to output) for libsigrok. */
208         if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
209                 goto done;
210
211         if (sr_init(&sr_ctx) != SR_OK)
212                 goto done;
213
214 #ifdef HAVE_SRD
215         /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
216         if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
217                 goto done;
218
219         if (opt_pds) {
220                 if (srd_init(NULL) != SRD_OK)
221                         goto done;
222                 if (srd_session_new(&srd_sess) != SRD_OK) {
223                         g_critical("Failed to create new decode session.");
224                         goto done;
225                 }
226                 if (register_pds(opt_pds, opt_pd_annotations) != 0)
227                         goto done;
228                 if (setup_pd_stack(opt_pds, opt_pd_stack, opt_pd_annotations) != 0)
229                         goto done;
230
231                 /* Only one output type is ever shown. */
232                 if (opt_pd_binary) {
233                         if (setup_pd_binary(opt_pd_binary) != 0)
234                                 goto done;
235                         if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
236                                         show_pd_binary, NULL) != SRD_OK)
237                                 goto done;
238                 } else if (opt_pd_meta) {
239                         if (setup_pd_meta(opt_pd_meta) != 0)
240                                 goto done;
241                         if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
242                                         show_pd_meta, NULL) != SRD_OK)
243                                 goto done;
244                 } else {
245                         if (opt_pd_annotations)
246                                 if (setup_pd_annotations(opt_pd_annotations) != 0)
247                                         goto done;
248                         if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
249                                         show_pd_annotations, NULL) != SRD_OK)
250                                 goto done;
251                 }
252         }
253 #endif
254
255         if (opt_version)
256                 show_version();
257         else if (opt_scan_devs)
258                 show_dev_list();
259 #ifdef HAVE_SRD
260         else if (opt_pds && opt_show)
261                 show_pd_detail();
262 #endif
263         else if (opt_show)
264                 show_dev_detail();
265         else if (opt_input_file)
266                 load_input_file();
267         else if (opt_set)
268                 set_options();
269         else if (opt_samples || opt_time || opt_frames || opt_continuous)
270                 run_session();
271         else {
272                 help = g_option_context_get_help(context, TRUE, NULL);
273                 printf("%s", help);
274                 g_free(help);
275         }
276
277 #ifdef HAVE_SRD
278         if (opt_pds)
279                 srd_exit();
280 #endif
281
282         ret = 0;
283
284 done:
285         if (sr_ctx)
286                 sr_exit(sr_ctx);
287
288         g_option_context_free(context);
289
290         return ret;
291 }