#include <string.h>
#include <glib.h>
-static struct sr_probe *find_probe(GSList *probelist, const char *probename)
+struct sr_channel *find_channel(GSList *channellist, const char *channelname)
{
- struct sr_probe *probe;
+ struct sr_channel *ch;
GSList *l;
- probe = NULL;
- for (l = probelist; l; l = l->next) {
- probe = l->data;
- if (!strcmp(probe->name, probename))
+ ch = NULL;
+ for (l = channellist; l; l = l->next) {
+ ch = l->data;
+ if (!strcmp(ch->name, channelname))
break;
}
- probe = l ? l->data : NULL;
+ ch = l ? l->data : NULL;
- return probe;
+ return ch;
}
-GSList *parse_probestring(struct sr_dev_inst *sdi, const char *probestring)
+GSList *parse_channelstring(struct sr_dev_inst *sdi, const char *channelstring)
{
- struct sr_probe *probe;
- GSList *probelist;
+ struct sr_channel *ch;
+ GSList *channellist;
int ret, n, b, e, i;
char **tokens, **range, **names, *eptr, str[8];
- if (!probestring || !probestring[0])
- /* Use all probes by default. */
- return g_slist_copy(sdi->probes);
+ if (!channelstring || !channelstring[0])
+ /* Use all channels by default. */
+ return g_slist_copy(sdi->channels);
ret = SR_OK;
range = NULL;
names = NULL;
- probelist = NULL;
- tokens = g_strsplit(probestring, ",", 0);
+ channellist = NULL;
+ tokens = g_strsplit(channelstring, ",", 0);
for (i = 0; tokens[i]; i++) {
if (tokens[i][0] == '\0') {
- g_critical("Invalid empty probe.");
+ g_critical("Invalid empty channel.");
ret = SR_ERR;
break;
}
if (strchr(tokens[i], '-')) {
- /* A range of probes in the form a-b. This will only work
- * if the probes are named as numbers -- so every probe
- * in the range must exist as a probe name string in the
+ /* A range of channels in the form a-b. This will only work
+ * if the channels are named as numbers -- so every channel
+ * in the range must exist as a channel name string in the
* device. */
range = g_strsplit(tokens[i], "-", 2);
if (!range[0] || !range[1] || range[2]) {
/* Need exactly two arguments. */
- g_critical("Invalid probe syntax '%s'.", tokens[i]);
+ g_critical("Invalid channel syntax '%s'.", tokens[i]);
ret = SR_ERR;
goto range_fail;
}
b = strtol(range[0], &eptr, 10);
if (eptr == range[0] || *eptr != '\0') {
- g_critical("Invalid probe '%s'.", range[0]);
+ g_critical("Invalid channel '%s'.", range[0]);
ret = SR_ERR;
goto range_fail;
}
e = strtol(range[1], NULL, 10);
if (eptr == range[1] || *eptr != '\0') {
- g_critical("Invalid probe '%s'.", range[1]);
+ g_critical("Invalid channel '%s'.", range[1]);
ret = SR_ERR;
goto range_fail;
}
if (b < 0 || b >= e) {
- g_critical("Invalid probe range '%s'.", tokens[i]);
+ g_critical("Invalid channel range '%s'.", tokens[i]);
ret = SR_ERR;
goto range_fail;
}
while (b <= e) {
n = snprintf(str, 8, "%d", b);
if (n < 0 || n > 8) {
- g_critical("Invalid probe '%d'.", b);
+ g_critical("Invalid channel '%d'.", b);
ret = SR_ERR;
break;
}
- probe = find_probe(sdi->probes, str);
- if (!probe) {
- g_critical("unknown probe '%d'.", b);
+ ch = find_channel(sdi->channels, str);
+ if (!ch) {
+ g_critical("unknown channel '%d'.", b);
ret = SR_ERR;
break;
}
- probelist = g_slist_append(probelist, probe);
+ channellist = g_slist_append(channellist, ch);
b++;
}
range_fail:
names = g_strsplit(tokens[i], "=", 2);
if (!names[0] || (names[1] && names[2])) {
/* Need one or two arguments. */
- g_critical("Invalid probe '%s'.", tokens[i]);
+ g_critical("Invalid channel '%s'.", tokens[i]);
g_strfreev(names);
ret = SR_ERR;
break;
}
- probe = find_probe(sdi->probes, names[0]);
- if (!probe) {
- g_critical("unknown probe '%s'.", names[0]);
+ ch = find_channel(sdi->channels, names[0]);
+ if (!ch) {
+ g_critical("unknown channel '%s'.", names[0]);
g_strfreev(names);
ret = SR_ERR;
break;
}
if (names[1]) {
- /* Rename probe. */
- g_free(probe->name);
- probe->name = g_strdup(names[1]);
+ /* Rename channel. */
+ g_free(ch->name);
+ ch->name = g_strdup(names[1]);
}
- probelist = g_slist_append(probelist, probe);
+ channellist = g_slist_append(channellist, ch);
g_strfreev(names);
}
}
if (ret != SR_OK) {
- g_slist_free(probelist);
- probelist = NULL;
+ g_slist_free(channellist);
+ channellist = NULL;
}
g_strfreev(tokens);
- return probelist;
+ return channellist;
+}
+
+int parse_trigger_match(char c)
+{
+ int match;
+
+ if (c == '0')
+ match = SR_TRIGGER_ZERO;
+ else if (c == '1')
+ match = SR_TRIGGER_ONE;
+ else if (c == 'r')
+ match = SR_TRIGGER_RISING;
+ else if (c == 'f')
+ match = SR_TRIGGER_FALLING;
+ else if (c == 'e')
+ match = SR_TRIGGER_EDGE;
+ else if (c == 'o')
+ match = SR_TRIGGER_OVER;
+ else if (c == 'u')
+ match = SR_TRIGGER_UNDER;
+ else
+ match = 0;
+
+ return match;
+}
+
+int parse_triggerstring(const struct sr_dev_inst *sdi, const char *s,
+ struct sr_trigger **trigger)
+{
+ struct sr_channel *ch;
+ struct sr_trigger_stage *stage;
+ GVariant *gvar;
+ GSList *l;
+ gsize num_matches;
+ gboolean found_match, error;
+ const int32_t *matches;
+ int32_t match;
+ unsigned int j;
+ int t, i;
+ char **tokens, *sep;
+
+ if (sr_config_list(sdi->driver, sdi, NULL, SR_CONF_TRIGGER_MATCH,
+ &gvar) != SR_OK) {
+ g_critical("Device doesn't support any triggers.");
+ return FALSE;
+ }
+ matches = g_variant_get_fixed_array(gvar, &num_matches, sizeof(int32_t));
+
+ *trigger = sr_trigger_new(NULL);
+ error = FALSE;
+ tokens = g_strsplit(s, ",", -1);
+ for (i = 0; tokens[i]; i++) {
+ if (!(sep = strchr(tokens[i], '='))) {
+ g_critical("Invalid trigger '%s'.", tokens[i]);
+ error = TRUE;
+ break;
+ }
+ *sep++ = 0;
+ ch = NULL;
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ if (ch->enabled && !strcmp(ch->name, tokens[i]))
+ break;
+ ch = NULL;
+ }
+ if (!ch) {
+ g_critical("Invalid channel '%s'.", tokens[i]);
+ error = TRUE;
+ break;
+ }
+ for (t = 0; sep[t]; t++) {
+ if (!(match = parse_trigger_match(sep[t]))) {
+ g_critical("Invalid trigger match '%c'.", sep[t]);
+ error = TRUE;
+ break;
+ }
+ found_match = FALSE;
+ for (j = 0; j < num_matches; j++) {
+ if (matches[j] == match) {
+ found_match = TRUE;
+ break;
+ }
+ }
+ if (!found_match) {
+ g_critical("Trigger match '%c' not supported by device.", sep[t]);
+ error = TRUE;
+ break;
+ }
+ /* Make sure this ends up in the right stage, creating
+ * them as needed. */
+ while (!(stage = g_slist_nth_data((*trigger)->stages, t)))
+ sr_trigger_stage_add(*trigger);
+ if (sr_trigger_match_add(stage, ch, match, 0) != SR_OK) {
+ error = TRUE;
+ break;
+ }
+ }
+ }
+ g_strfreev(tokens);
+ g_variant_unref(gvar);
+
+ if (error)
+ sr_trigger_free(*trigger);
+
+ return !error;
}
GHashTable *parse_generic_arg(const char *arg, gboolean sep_first)
projects / sigrok-cli.git / blobdiff