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 <config.h>
  21 #include <stdlib.h>
  22 #include <glib.h>
  23 #include "sigrok-cli.h"
  24
  25 struct sr_context *sr_ctx = NULL;
  26 #ifdef HAVE_SRD
  27 struct srd_session *srd_sess = NULL;
  28 #endif
  29
  30 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
  31                    const gchar *message, gpointer cb_data)
  32 {
  33         (void)log_domain;
  34         (void)cb_data;
  35
  36         /*
  37          * All messages, warnings, errors etc. go to stderr (not stdout) in
  38          * order to not mess up the CLI tool data output, e.g. VCD output.
  39          */
  40         if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
  41                         || opt_loglevel > SR_LOG_WARN) {
  42                 fprintf(stderr, "%s\n", message);
  43                 fflush(stderr);
  44         }
  45
  46         if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL))
  47                 exit(1);
  48
  49 }
  50
  51 int select_channels(struct sr_dev_inst *sdi)
  52 {
  53         struct sr_channel *ch;
  54         gboolean enabled;
  55         GSList *selected_channels, *l, *channels;
  56
  57         channels = sr_dev_inst_channels_get(sdi);
  58
  59         if (opt_channels) {
  60                 if (!(selected_channels = parse_channelstring(sdi, opt_channels)))
  61                         return SR_ERR;
  62
  63                 for (l = channels; l; l = l->next) {
  64                         ch = l->data;
  65                         enabled = (g_slist_find(selected_channels, ch) != NULL);
  66                         if (sr_dev_channel_enable(ch, enabled) != SR_OK)
  67                                 return SR_ERR;
  68                 }
  69                 g_slist_free(selected_channels);
  70         }
  71 #ifdef HAVE_SRD
  72         map_pd_channels(sdi);
  73 #endif
  74         return SR_OK;
  75 }
  76
  77 int maybe_config_get(struct sr_dev_driver *driver,
  78                 const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
  79                 uint32_t key, GVariant **gvar)
  80 {
  81         if (sr_dev_config_capabilities_list(sdi, cg, key) & SR_CONF_GET)
  82                 return sr_config_get(driver, sdi, cg, key, gvar);
  83
  84         return SR_ERR_NA;
  85 }
  86
  87 int maybe_config_set(struct sr_dev_driver *driver,
  88                 const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
  89                 uint32_t key, GVariant *gvar)
  90 {
  91         (void)driver;
  92
  93         if (sr_dev_config_capabilities_list(sdi, cg, key) & SR_CONF_SET)
  94                 return sr_config_set(sdi, cg, key, gvar);
  95
  96         return SR_ERR_NA;
  97 }
  98
  99 int maybe_config_list(struct sr_dev_driver *driver,
 100                 const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
 101                 uint32_t key, GVariant **gvar)
 102 {
 103         if (sr_dev_config_capabilities_list(sdi, cg, key) & SR_CONF_LIST)
 104                 return sr_config_list(driver, sdi, cg, key, gvar);
 105
 106         return SR_ERR_NA;
 107 }
 108
 109 static void get_option(void)
 110 {
 111         struct sr_dev_inst *sdi;
 112         struct sr_channel_group *cg;
 113         const struct sr_key_info *ci;
 114         GSList *devices;
 115         GVariant *gvar;
 116         GHashTable *devargs;
 117         int ret;
 118         char *s;
 119         struct sr_dev_driver *driver;
 120         const struct sr_key_info *srci, *srmqi, *srmqfi;
 121         uint32_t mq;
 122         uint64_t mask, mqflags;
 123         unsigned int j;
 124
 125         if (!(devices = device_scan())) {
 126                 g_critical("No devices found.");
 127                 return;
 128         }
 129         sdi = devices->data;
 130         g_slist_free(devices);
 131
 132         driver = sr_dev_inst_driver_get(sdi);
 133
 134         if (sr_dev_open(sdi) != SR_OK) {
 135                 g_critical("Failed to open device.");
 136                 return;
 137         }
 138
 139         cg = select_channel_group(sdi);
 140         if (!(ci = sr_key_info_name_get(SR_KEY_CONFIG, opt_get)))
 141                 g_critical("Unknown option '%s'", opt_get);
 142
 143         if ((devargs = parse_generic_arg(opt_config, FALSE)))
 144                 set_dev_options(sdi, devargs);
 145         else
 146                 devargs = NULL;
 147
 148         if ((ret = maybe_config_get(driver, sdi, cg, ci->key, &gvar)) != SR_OK)
 149                 g_critical("Failed to get '%s': %s", opt_get, sr_strerror(ret));
 150         srci = sr_key_info_get(SR_KEY_CONFIG, ci->key);
 151         if (srci && srci->datatype == SR_T_MQ) {
 152                 g_variant_get(gvar, "(ut)", &mq, &mqflags);
 153                 if ((srmqi = sr_key_info_get(SR_KEY_MQ, mq)))
 154                         printf("%s", srmqi->id);
 155                 else
 156                         printf("%d", mq);
 157                 for (j = 0, mask = 1; j < 32; j++, mask <<= 1) {
 158                         if (!(mqflags & mask))
 159                                 continue;
 160                         if ((srmqfi = sr_key_info_get(SR_KEY_MQFLAGS, mqflags & mask)))
 161                                 printf("/%s", srmqfi->id);
 162                         else
 163                                 printf("/%" PRIu64, mqflags & mask);
 164                 }
 165                 printf("\n");
 166         } else {
 167                 s = g_variant_print(gvar, FALSE);
 168                 printf("%s\n", s);
 169                 g_free(s);
 170         }
 171
 172         g_variant_unref(gvar);
 173         sr_dev_close(sdi);
 174         if (devargs)
 175                 g_hash_table_destroy(devargs);
 176 }
 177
 178 static void set_options(void)
 179 {
 180         struct sr_dev_inst *sdi;
 181         GSList *devices;
 182         GHashTable *devargs;
 183
 184         if (!opt_config) {
 185                 g_critical("No setting specified.");
 186                 return;
 187         }
 188
 189         if (!(devargs = parse_generic_arg(opt_config, FALSE)))
 190                 return;
 191
 192         if (!(devices = device_scan())) {
 193                 g_critical("No devices found.");
 194                 return;
 195         }
 196         sdi = devices->data;
 197         g_slist_free(devices);
 198
 199         if (sr_dev_open(sdi) != SR_OK) {
 200                 g_critical("Failed to open device.");
 201                 return;
 202         }
 203
 204         set_dev_options(sdi, devargs);
 205
 206         sr_dev_close(sdi);
 207         g_hash_table_destroy(devargs);
 208
 209 }
 210
 211 int main(int argc, char **argv)
 212 {
 213         g_log_set_default_handler(logger, NULL);
 214
 215         if (parse_options(argc, argv)) {
 216                 return 1;
 217         }
 218
 219         /* Set the loglevel (amount of messages to output) for libsigrok. */
 220         if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
 221                 goto done;
 222
 223         if (sr_init(&sr_ctx) != SR_OK)
 224                 goto done;
 225
 226 #ifdef HAVE_SRD
 227         /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
 228         if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
 229                 goto done;
 230
 231         if (opt_pds) {
 232                 if (srd_init(NULL) != SRD_OK)
 233                         goto done;
 234                 if (srd_session_new(&srd_sess) != SRD_OK) {
 235                         g_critical("Failed to create new decode session.");
 236                         goto done;
 237                 }
 238                 if (register_pds(opt_pds, opt_pd_annotations) != 0)
 239                         goto done;
 240
 241                 /* Only one output type is ever shown. */
 242                 if (opt_pd_binary) {
 243                         if (setup_pd_binary(opt_pd_binary) != 0)
 244                                 goto done;
 245                         if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
 246                                         show_pd_binary, NULL) != SRD_OK)
 247                                 goto done;
 248                 } else if (opt_pd_meta) {
 249                         if (setup_pd_meta(opt_pd_meta) != 0)
 250                                 goto done;
 251                         if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
 252                                         show_pd_meta, NULL) != SRD_OK)
 253                                 goto done;
 254                 } else {
 255                         if (opt_pd_annotations)
 256                                 if (setup_pd_annotations(opt_pd_annotations) != 0)
 257                                         goto done;
 258                         if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
 259                                         show_pd_annotations, NULL) != SRD_OK)
 260                                 goto done;
 261                 }
 262         }
 263 #endif
 264
 265         if (opt_version)
 266                 show_version();
 267         else if (opt_list_supported)
 268                 show_supported();
 269         else if (opt_input_format && opt_show)
 270                 show_input();
 271         else if (opt_output_format && opt_show)
 272                 show_output();
 273         else if (opt_transform_module && opt_show)
 274                 show_transform();
 275         else if (opt_scan_devs)
 276                 show_dev_list();
 277 #ifdef HAVE_SRD
 278         else if (opt_pds && opt_show)
 279                 show_pd_detail();
 280 #endif
 281         else if (opt_show)
 282                 show_dev_detail();
 283         else if (opt_input_file)
 284                 load_input_file();
 285         else if (opt_get)
 286                 get_option();
 287         else if (opt_set)
 288                 set_options();
 289         else if (opt_samples || opt_time || opt_frames || opt_continuous)
 290                 run_session();
 291         else
 292                 show_help();
 293
 294 #ifdef HAVE_SRD
 295         if (opt_pds)
 296                 srd_exit();
 297 #endif
 298
 299 done:
 300         if (sr_ctx)
 301                 sr_exit(sr_ctx);
 302
 303         return 0;
 304 }