X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-cli.git;a=blobdiff_plain;f=parsers.c;h=c2a7c2602f189e814588f0b85d761107d591cfc3;hp=3df04e2a5da487803faf2459a0a3b8fd2711ab07;hb=87e24fedeb35cb7d5b1c593150ac1a92cf10cf4d;hpb=029d73fe03db2656ceb2ca0f5a3fea57393fdfda

diff --git a/parsers.c b/parsers.c
index 3df04e2..c2a7c26 100644
--- a/parsers.c
+++ b/parsers.c
@@ -153,6 +153,111 @@ range_fail:
 	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)
 {
 	GHashTable *hash;
@@ -183,6 +288,42 @@ GHashTable *parse_generic_arg(const char *arg, gboolean sep_first)
 	return hash;
 }
 
+GHashTable *generic_arg_to_opt(const struct sr_option **opts, GHashTable *genargs)
+{
+	GHashTable *hash;
+	GVariant *gvar;
+	int i;
+	char *s;
+
+	hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+			(GDestroyNotify)g_variant_unref);
+	for (i = 0; opts[i]; i++) {
+		if (!(s = g_hash_table_lookup(genargs, opts[i]->id)))
+			continue;
+		if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_UINT32)) {
+			gvar = g_variant_new_uint32(strtoul(s, NULL, 10));
+			g_hash_table_insert(hash, g_strdup(opts[i]->id),
+					g_variant_ref_sink(gvar));
+		} else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_INT32)) {
+			gvar = g_variant_new_int32(strtoul(s, NULL, 10));
+			g_hash_table_insert(hash, g_strdup(opts[i]->id),
+					g_variant_ref_sink(gvar));
+		} else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_DOUBLE)) {
+			gvar = g_variant_new_double(strtod(s, NULL));
+			g_hash_table_insert(hash, g_strdup(opts[i]->id),
+					g_variant_ref_sink(gvar));
+		} else if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_STRING)) {
+			gvar = g_variant_new_string(s);
+			g_hash_table_insert(hash, g_strdup(opts[i]->id),
+					g_variant_ref_sink(gvar));
+		} else {
+			g_critical("Don't know GVariant type for option '%s'!", opts[i]->id);
+		 }
+	}
+
+	return hash;
+}
+
 static char *strcanon(const char *str)
 {
 	int p0, p1;