X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-cli.git;a=blobdiff_plain;f=parsers.c;h=5ec655f78ad3dce8a05f01186a2a7ec61febb437;hp=059d33930d6ce373147dce663e8df91171cdb850;hb=c5e0e72ee3bcc799d1510c9fb91b3a0073766b2a;hpb=2be182e6437fb082aedca653fdc106d702518db0

diff --git a/parsers.c b/parsers.c
index 059d339..5ec655f 100644
--- a/parsers.c
+++ b/parsers.c
@@ -17,79 +17,83 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
 #include <glib.h>
-#include <libsigrok/libsigrok.h>
 #include "sigrok-cli.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, *channels;
 	int ret, n, b, e, i;
 	char **tokens, **range, **names, *eptr, str[8];
 
-	if (!probestring || !probestring[0])
-		/* All probes are enabled by default by the driver. */
-		return NULL;
+	channels = sr_dev_inst_channels_get(sdi);
+
+	if (!channelstring || !channelstring[0])
+		/* Use all channels by default. */
+		return g_slist_copy(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
-			 * device. */
+			/*
+			 * 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;
 			}
@@ -97,17 +101,17 @@ GSList *parse_probestring(struct sr_dev_inst *sdi, const char *probestring)
 			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(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:
@@ -120,37 +124,147 @@ 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(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);
 
-			if (names)
-				g_strfreev(names);
+			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, *channels;
+	gsize num_matches;
+	gboolean found_match, error;
+	const int32_t *matches;
+	int32_t match;
+	unsigned int j;
+	int t, i;
+	char **tokens, *sep;
+	struct sr_dev_driver *driver;
+
+	driver = sr_dev_inst_driver_get(sdi);
+	channels = sr_dev_inst_channels_get(sdi);
+
+	if (maybe_config_list(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 = 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)
@@ -183,6 +297,58 @@ 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;
+	gboolean b;
+
+	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_UINT64)) {
+			gvar = g_variant_new_uint64(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 if (g_variant_is_of_type(opts[i]->def, G_VARIANT_TYPE_BOOLEAN)) {
+			b = TRUE;
+			if (0 == strcmp(s, "false") || 0 == strcmp(s, "no")) {
+				b = FALSE;
+			} else if (!(0 == strcmp(s, "true") || 0 == strcmp(s, "yes"))) {
+				g_critical("Unable to convert '%s' to boolean!", s);
+			}
+
+			gvar = g_variant_new_boolean(b);
+			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;
@@ -213,3 +379,75 @@ int canon_cmp(const char *str1, const char *str2)
 
 	return ret;
 }
+
+/* Convert driver options hash to GSList of struct sr_config. */
+static GSList *hash_to_hwopt(GHashTable *hash)
+{
+	struct sr_config *src;
+	GList *gl, *keys;
+	GSList *opts;
+	char *key;
+
+	keys = g_hash_table_get_keys(hash);
+	opts = NULL;
+	for (gl = keys; gl; gl = gl->next) {
+		key = gl->data;
+		src = g_malloc(sizeof(struct sr_config));
+		if (opt_to_gvar(key, g_hash_table_lookup(hash, key), src) != 0)
+			return NULL;
+		opts = g_slist_append(opts, src);
+	}
+	g_list_free(keys);
+
+	return opts;
+}
+
+int parse_driver(char *arg, struct sr_dev_driver **driver, GSList **drvopts)
+{
+	struct sr_dev_driver **drivers;
+	GHashTable *drvargs;
+	int i;
+	char *drvname;
+
+	if (!arg)
+		return FALSE;
+
+	drvargs = parse_generic_arg(arg, TRUE);
+
+	drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
+	g_hash_table_remove(drvargs, "sigrok_key");
+	*driver = NULL;
+	drivers = sr_driver_list(sr_ctx);
+	for (i = 0; drivers[i]; i++) {
+		if (strcmp(drivers[i]->name, drvname))
+			continue;
+		*driver = drivers[i];
+	}
+	if (!*driver) {
+		g_critical("Driver %s not found.", drvname);
+		g_hash_table_destroy(drvargs);
+		g_free(drvname);
+		return FALSE;
+	}
+	g_free(drvname);
+	if (sr_driver_init(sr_ctx, *driver) != SR_OK) {
+		g_critical("Failed to initialize driver.");
+		g_hash_table_destroy(drvargs);
+		return FALSE;
+	}
+
+	if (drvopts) {
+		*drvopts = NULL;
+		if (g_hash_table_size(drvargs) > 0) {
+			if (!(*drvopts = hash_to_hwopt(drvargs))) {
+				/* Unknown options, already logged. */
+				g_hash_table_destroy(drvargs);
+				return FALSE;
+			}
+		}
+	}
+
+	g_hash_table_destroy(drvargs);
+
+	return TRUE;
+}