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 }