2 * This file is part of the sigrok-cli project.
4 * Copyright (C) 2011 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/>.
25 #include "sigrok-cli.h"
27 struct sr_channel *find_channel(GSList *channellist, const char *channelname)
29 struct sr_channel *ch;
33 for (l = channellist; l; l = l->next) {
35 if (!strcmp(ch->name, channelname))
38 ch = l ? l->data : NULL;
43 GSList *parse_channelstring(struct sr_dev_inst *sdi, const char *channelstring)
45 struct sr_channel *ch;
46 GSList *channellist, *channels;
48 char **tokens, **range, **names, *eptr, str[8];
50 channels = sr_dev_inst_channels_get(sdi);
52 if (!channelstring || !channelstring[0])
53 /* Use all channels by default. */
54 return g_slist_copy(channels);
60 tokens = g_strsplit(channelstring, ",", 0);
61 for (i = 0; tokens[i]; i++) {
62 if (tokens[i][0] == '\0') {
63 g_critical("Invalid empty channel.");
67 if (strchr(tokens[i], '-')) {
69 * A range of channels in the form a-b. This will only work
70 * if the channels are named as numbers -- so every channel
71 * in the range must exist as a channel name string in the
74 range = g_strsplit(tokens[i], "-", 2);
75 if (!range[0] || !range[1] || range[2]) {
76 /* Need exactly two arguments. */
77 g_critical("Invalid channel syntax '%s'.", tokens[i]);
82 b = strtol(range[0], &eptr, 10);
83 if (eptr == range[0] || *eptr != '\0') {
84 g_critical("Invalid channel '%s'.", range[0]);
88 e = strtol(range[1], NULL, 10);
89 if (eptr == range[1] || *eptr != '\0') {
90 g_critical("Invalid channel '%s'.", range[1]);
94 if (b < 0 || b >= e) {
95 g_critical("Invalid channel range '%s'.", tokens[i]);
101 n = snprintf(str, 8, "%d", b);
102 if (n < 0 || n > 8) {
103 g_critical("Invalid channel '%d'.", b);
107 ch = find_channel(channels, str);
109 g_critical("unknown channel '%d'.", b);
113 channellist = g_slist_append(channellist, ch);
123 names = g_strsplit(tokens[i], "=", 2);
124 if (!names[0] || (names[1] && names[2])) {
125 /* Need one or two arguments. */
126 g_critical("Invalid channel '%s'.", tokens[i]);
132 ch = find_channel(channels, names[0]);
134 g_critical("unknown channel '%s'.", names[0]);
140 /* Rename channel. */
142 ch->name = g_strdup(names[1]);
144 channellist = g_slist_append(channellist, ch);
151 g_slist_free(channellist);
160 int parse_trigger_match(char c)
165 match = SR_TRIGGER_ZERO;
167 match = SR_TRIGGER_ONE;
169 match = SR_TRIGGER_RISING;
171 match = SR_TRIGGER_FALLING;
173 match = SR_TRIGGER_EDGE;
175 match = SR_TRIGGER_OVER;
177 match = SR_TRIGGER_UNDER;
184 int parse_triggerstring(const struct sr_dev_inst *sdi, const char *s,
185 struct sr_trigger **trigger)
187 struct sr_channel *ch;
188 struct sr_trigger_stage *stage;
190 GSList *l, *channels;
192 gboolean found_match, error;
193 const int32_t *matches;
198 struct sr_dev_driver *driver;
200 driver = sr_dev_inst_driver_get(sdi);
201 channels = sr_dev_inst_channels_get(sdi);
203 if (maybe_config_list(driver, sdi, NULL, SR_CONF_TRIGGER_MATCH,
205 g_critical("Device doesn't support any triggers.");
208 matches = g_variant_get_fixed_array(gvar, &num_matches, sizeof(int32_t));
210 *trigger = sr_trigger_new(NULL);
212 tokens = g_strsplit(s, ",", -1);
213 for (i = 0; tokens[i]; i++) {
214 if (!(sep = strchr(tokens[i], '='))) {
215 g_critical("Invalid trigger '%s'.", tokens[i]);
221 for (l = channels; l; l = l->next) {
223 if (ch->enabled && !strcmp(ch->name, tokens[i]))
228 g_critical("Invalid channel '%s'.", tokens[i]);
232 for (t = 0; sep[t]; t++) {
233 if (!(match = parse_trigger_match(sep[t]))) {
234 g_critical("Invalid trigger match '%c'.", sep[t]);
239 for (j = 0; j < num_matches; j++) {
240 if (matches[j] == match) {
246 g_critical("Trigger match '%c' not supported by device.", sep[t]);
250 /* Make sure this ends up in the right stage, creating
252 while (!(stage = g_slist_nth_data((*trigger)->stages, t)))
253 sr_trigger_stage_add(*trigger);
254 if (sr_trigger_match_add(stage, ch, match, 0) != SR_OK) {
261 g_variant_unref(gvar);
264 sr_trigger_free(*trigger);
269 GHashTable *parse_generic_arg(const char *arg, gboolean sep_first)
279 hash = g_hash_table_new_full(g_str_hash, g_str_equal,
281 elements = g_strsplit(arg, ":", 0);
283 g_hash_table_insert(hash, g_strdup("sigrok_key"),
284 g_strdup(elements[i++]));
285 for (; elements[i]; i++) {
286 e = strchr(elements[i], '=');
288 g_hash_table_insert(hash, g_strdup(elements[i]), NULL);
291 g_hash_table_insert(hash, g_strdup(elements[i]), g_strdup(e));
294 g_strfreev(elements);
299 GHashTable *generic_arg_to_opt(const struct sr_option **opts, GHashTable *genargs)
307 hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
308 (GDestroyNotify)g_variant_unref);
309 for (i = 0; opts[i]; i++) {
310 if (!(s = g_hash_table_lookup(genargs, opts[i]->id)))
312 if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_UINT32)) {
313 gvar = g_variant_new_uint32(strtoul(s, NULL, 10));
314 g_hash_table_insert(hash, g_strdup(opts[i]->id),
315 g_variant_ref_sink(gvar));
316 } else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_INT32)) {
317 gvar = g_variant_new_int32(strtoul(s, NULL, 10));
318 g_hash_table_insert(hash, g_strdup(opts[i]->id),
319 g_variant_ref_sink(gvar));
320 } else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_UINT64)) {
321 gvar = g_variant_new_uint64(strtoul(s, NULL, 10));
322 g_hash_table_insert(hash, g_strdup(opts[i]->id),
323 g_variant_ref_sink(gvar));
324 } else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_DOUBLE)) {
325 gvar = g_variant_new_double(strtod(s, NULL));
326 g_hash_table_insert(hash, g_strdup(opts[i]->id),
327 g_variant_ref_sink(gvar));
328 } else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_STRING)) {
329 gvar = g_variant_new_string(s);
330 g_hash_table_insert(hash, g_strdup(opts[i]->id),
331 g_variant_ref_sink(gvar));
332 } else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_BOOLEAN)) {
334 if (0 == strcmp(s, "false") || 0 == strcmp(s, "no")) {
336 } else if (!(0 == strcmp(s, "true") || 0 == strcmp(s, "yes"))) {
337 g_critical("Unable to convert '%s' to boolean!", s);
340 gvar = g_variant_new_boolean(b);
341 g_hash_table_insert(hash, g_strdup(opts[i]->id),
342 g_variant_ref_sink(gvar));
344 g_critical("Don't know GVariant type for option '%s'!", opts[i]->id);
351 static char *strcanon(const char *str)
356 /* Returns newly allocated string. */
357 s = g_ascii_strdown(str, -1);
358 for (p0 = p1 = 0; str[p0]; p0++) {
359 if ((s[p0] >= 'a' && s[p0] <= 'z')
360 || (s[p0] >= '0' && s[p0] <= '9'))
368 int canon_cmp(const char *str1, const char *str2)
375 ret = g_ascii_strcasecmp(s1, s2);
382 /* Convert driver options hash to GSList of struct sr_config. */
383 static GSList *hash_to_hwopt(GHashTable *hash)
385 struct sr_config *src;
390 keys = g_hash_table_get_keys(hash);
392 for (gl = keys; gl; gl = gl->next) {
394 src = g_malloc(sizeof(struct sr_config));
395 if (opt_to_gvar(key, g_hash_table_lookup(hash, key), src) != 0)
397 opts = g_slist_append(opts, src);
404 int parse_driver(char *arg, struct sr_dev_driver **driver, GSList **drvopts)
406 struct sr_dev_driver **drivers;
414 drvargs = parse_generic_arg(arg, TRUE);
416 drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
417 g_hash_table_remove(drvargs, "sigrok_key");
419 drivers = sr_driver_list(sr_ctx);
420 for (i = 0; drivers[i]; i++) {
421 if (strcmp(drivers[i]->name, drvname))
423 *driver = drivers[i];
426 g_critical("Driver %s not found.", drvname);
427 g_hash_table_destroy(drvargs);
432 if (sr_driver_init(sr_ctx, *driver) != SR_OK) {
433 g_critical("Failed to initialize driver.");
434 g_hash_table_destroy(drvargs);
440 if (g_hash_table_size(drvargs) > 0) {
441 if (!(*drvopts = hash_to_hwopt(drvargs))) {
442 /* Unknown options, already logged. */
443 g_hash_table_destroy(drvargs);
449 g_hash_table_destroy(drvargs);