[sigrok-cli.git] / main.c

/*
 * This file is part of the sigrok-cli project.
 *
 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <stdlib.h>
#include <glib.h>
#include "sigrok-cli.h"

struct sr_context *sr_ctx = NULL;
#ifdef HAVE_SRD
struct srd_session *srd_sess = NULL;
#endif

static void logger(const gchar *log_domain, GLogLevelFlags log_level,
		   const gchar *message, gpointer cb_data)
{
	(void)log_domain;
	(void)cb_data;

	/*
	 * All messages, warnings, errors etc. go to stderr (not stdout) in
	 * order to not mess up the CLI tool data output, e.g. VCD output.
	 */
	if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
			|| opt_loglevel > SR_LOG_WARN) {
		fprintf(stderr, "%s\n", message);
		fflush(stderr);
	}

	if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL))
		exit(1);

}

int select_channels(struct sr_dev_inst *sdi)
{
	struct sr_channel *ch;
	gboolean enabled;
	GSList *selected_channels, *l, *channels;

	channels = sr_dev_inst_channels_get(sdi);

	if (opt_channels) {
		if (!(selected_channels = parse_channelstring(sdi, opt_channels)))
			return SR_ERR;

		for (l = channels; l; l = l->next) {
			ch = l->data;
			enabled = (g_slist_find(selected_channels, ch) != NULL);
			if (sr_dev_channel_enable(ch, enabled) != SR_OK)
				return SR_ERR;
		}
		g_slist_free(selected_channels);
	}
#ifdef HAVE_SRD
	map_pd_channels(sdi);
#endif
	return SR_OK;
}

int maybe_config_get(struct sr_dev_driver *driver,
		const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
		uint32_t key, GVariant **gvar)
{
	if (sr_dev_config_capabilities_list(sdi, cg, key) & SR_CONF_GET)
		return sr_config_get(driver, sdi, cg, key, gvar);

	return SR_ERR_NA;
}

int maybe_config_set(struct sr_dev_driver *driver,
		const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
		uint32_t key, GVariant *gvar)
{
	(void)driver;

	if (sr_dev_config_capabilities_list(sdi, cg, key) & SR_CONF_SET)
		return sr_config_set(sdi, cg, key, gvar);

	return SR_ERR_NA;
}

int maybe_config_list(struct sr_dev_driver *driver,
		const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
		uint32_t key, GVariant **gvar)
{
	if (sr_dev_config_capabilities_list(sdi, cg, key) & SR_CONF_LIST)
		return sr_config_list(driver, sdi, cg, key, gvar);

	return SR_ERR_NA;
}

static void get_option(void)
{
	struct sr_dev_inst *sdi;
	struct sr_channel_group *cg;
	const struct sr_key_info *ci;
	GSList *devices;
	GVariant *gvar;
	GHashTable *devargs;
	int ret;
	char *s;
	struct sr_dev_driver *driver;

	if (!(devices = device_scan())) {
		g_critical("No devices found.");
		return;
	}
	sdi = devices->data;
	g_slist_free(devices);

	driver = sr_dev_inst_driver_get(sdi);

	if (sr_dev_open(sdi) != SR_OK) {
		g_critical("Failed to open device.");
		return;
	}

	cg = select_channel_group(sdi);
	if (!(ci = sr_key_info_name_get(SR_KEY_CONFIG, opt_get)))
		g_critical("Unknown option '%s'", opt_get);

	if ((devargs = parse_generic_arg(opt_config, FALSE)))
		set_dev_options(sdi, devargs);
	else devargs = NULL;

	if ((ret = maybe_config_get(driver, sdi, cg, ci->key, &gvar)) != SR_OK)
		g_critical("Failed to get '%s': %s", opt_get, sr_strerror(ret));
	s = g_variant_print(gvar, FALSE);
	printf("%s\n", s);
	g_free(s);

	g_variant_unref(gvar);
	sr_dev_close(sdi);
	if (devargs)
		g_hash_table_destroy(devargs);
}

static void set_options(void)
{
	struct sr_dev_inst *sdi;
	GSList *devices;
	GHashTable *devargs;

	if (!opt_config) {
		g_critical("No setting specified.");
		return;
	}

	if (!(devargs = parse_generic_arg(opt_config, FALSE)))
		return;

	if (!(devices = device_scan())) {
		g_critical("No devices found.");
		return;
	}
	sdi = devices->data;
	g_slist_free(devices);

	if (sr_dev_open(sdi) != SR_OK) {
		g_critical("Failed to open device.");
		return;
	}

	set_dev_options(sdi, devargs);

	sr_dev_close(sdi);
	g_hash_table_destroy(devargs);

}

int main(int argc, char **argv)
{
	g_log_set_default_handler(logger, NULL);

	if (parse_options(argc, argv)) {
		return 1;
	}

	/* Set the loglevel (amount of messages to output) for libsigrok. */
	if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
		goto done;

	if (sr_init(&sr_ctx) != SR_OK)
		goto done;

#ifdef HAVE_SRD
	/* Set the loglevel (amount of messages to output) for libsigrokdecode. */
	if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
		goto done;

	if (opt_pds) {
		if (srd_init(NULL) != SRD_OK)
			goto done;
		if (srd_session_new(&srd_sess) != SRD_OK) {
			g_critical("Failed to create new decode session.");
			goto done;
		}
		if (register_pds(opt_pds, opt_pd_annotations) != 0)
			goto done;

		/* Only one output type is ever shown. */
		if (opt_pd_binary) {
			if (setup_pd_binary(opt_pd_binary) != 0)
				goto done;
			if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
					show_pd_binary, NULL) != SRD_OK)
				goto done;
		} else if (opt_pd_meta) {
			if (setup_pd_meta(opt_pd_meta) != 0)
				goto done;
			if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
					show_pd_meta, NULL) != SRD_OK)
				goto done;
		} else {
			if (opt_pd_annotations)
				if (setup_pd_annotations(opt_pd_annotations) != 0)
					goto done;
			if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
					show_pd_annotations, NULL) != SRD_OK)
				goto done;
		}
	}
#endif

	if (opt_version)
		show_version();
	else if (opt_list_supported)
		show_supported();
	else if (opt_input_format && opt_show)
		show_input();
	else if (opt_output_format && opt_show)
		show_output();
	else if (opt_transform_module && opt_show)
		show_transform();
	else if (opt_scan_devs)
		show_dev_list();
#ifdef HAVE_SRD
	else if (opt_pds && opt_show)
		show_pd_detail();
#endif
	else if (opt_show)
		show_dev_detail();
	else if (opt_input_file)
		load_input_file();
	else if (opt_get)
		get_option();
	else if (opt_set)
		set_options();
	else if (opt_samples || opt_time || opt_frames || opt_continuous)
		run_session();
	else
		show_help();

#ifdef HAVE_SRD
	if (opt_pds)
		srd_exit();
#endif

done:
	if (sr_ctx)
		sr_exit(sr_ctx);

	return 0;
}
Commit	Line	Data
	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
	121	if (!(devices = device_scan())) {
	122	g_critical("No devices found.");
	123	return;
	124	}
	125	sdi = devices->data;
	126	g_slist_free(devices);
	127
	128	driver = sr_dev_inst_driver_get(sdi);
	129
	130	if (sr_dev_open(sdi) != SR_OK) {
	131	g_critical("Failed to open device.");
	132	return;
	133	}
	134
	135	cg = select_channel_group(sdi);
	136	if (!(ci = sr_key_info_name_get(SR_KEY_CONFIG, opt_get)))
	137	g_critical("Unknown option '%s'", opt_get);
	138
	139	if ((devargs = parse_generic_arg(opt_config, FALSE)))
	140	set_dev_options(sdi, devargs);
	141	else devargs = NULL;
	142
	143	if ((ret = maybe_config_get(driver, sdi, cg, ci->key, &gvar)) != SR_OK)
	144	g_critical("Failed to get '%s': %s", opt_get, sr_strerror(ret));
	145	s = g_variant_print(gvar, FALSE);
	146	printf("%s\n", s);
	147	g_free(s);
	148
	149	g_variant_unref(gvar);
	150	sr_dev_close(sdi);
	151	if (devargs)
	152	g_hash_table_destroy(devargs);
	153	}
	154
	155	static void set_options(void)
	156	{
	157	struct sr_dev_inst *sdi;
	158	GSList *devices;
	159	GHashTable *devargs;
	160
	161	if (!opt_config) {
	162	g_critical("No setting specified.");
	163	return;
	164	}
	165
	166	if (!(devargs = parse_generic_arg(opt_config, FALSE)))
	167	return;
	168
	169	if (!(devices = device_scan())) {
	170	g_critical("No devices found.");
	171	return;
	172	}
	173	sdi = devices->data;
	174	g_slist_free(devices);
	175
	176	if (sr_dev_open(sdi) != SR_OK) {
	177	g_critical("Failed to open device.");
	178	return;
	179	}
	180
	181	set_dev_options(sdi, devargs);
	182
	183	sr_dev_close(sdi);
	184	g_hash_table_destroy(devargs);
	185
	186	}
	187
	188	int main(int argc, char **argv)
	189	{
	190	g_log_set_default_handler(logger, NULL);
	191
	192	if (parse_options(argc, argv)) {
	193	return 1;
	194	}
	195
	196	/* Set the loglevel (amount of messages to output) for libsigrok. */
	197	if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
	198	goto done;
	199
	200	if (sr_init(&sr_ctx) != SR_OK)
	201	goto done;
	202
	203	#ifdef HAVE_SRD
	204	/* Set the loglevel (amount of messages to output) for libsigrokdecode. */
	205	if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
	206	goto done;
	207
	208	if (opt_pds) {
	209	if (srd_init(NULL) != SRD_OK)
	210	goto done;
	211	if (srd_session_new(&srd_sess) != SRD_OK) {
	212	g_critical("Failed to create new decode session.");
	213	goto done;
	214	}
	215	if (register_pds(opt_pds, opt_pd_annotations) != 0)
	216	goto done;
	217
	218	/* Only one output type is ever shown. */
	219	if (opt_pd_binary) {
	220	if (setup_pd_binary(opt_pd_binary) != 0)
	221	goto done;
	222	if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
	223	show_pd_binary, NULL) != SRD_OK)
	224	goto done;
	225	} else if (opt_pd_meta) {
	226	if (setup_pd_meta(opt_pd_meta) != 0)
	227	goto done;
	228	if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
	229	show_pd_meta, NULL) != SRD_OK)
	230	goto done;
	231	} else {
	232	if (opt_pd_annotations)
	233	if (setup_pd_annotations(opt_pd_annotations) != 0)
	234	goto done;
	235	if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
	236	show_pd_annotations, NULL) != SRD_OK)
	237	goto done;
	238	}
	239	}
	240	#endif
	241
	242	if (opt_version)
	243	show_version();
	244	else if (opt_list_supported)
	245	show_supported();
	246	else if (opt_input_format && opt_show)
	247	show_input();
	248	else if (opt_output_format && opt_show)
	249	show_output();
	250	else if (opt_transform_module && opt_show)
	251	show_transform();
	252	else if (opt_scan_devs)
	253	show_dev_list();
	254	#ifdef HAVE_SRD
	255	else if (opt_pds && opt_show)
	256	show_pd_detail();
	257	#endif
	258	else if (opt_show)
	259	show_dev_detail();
	260	else if (opt_input_file)
	261	load_input_file();
	262	else if (opt_get)
	263	get_option();
	264	else if (opt_set)
	265	set_options();
	266	else if (opt_samples \|\| opt_time \|\| opt_frames \|\| opt_continuous)
	267	run_session();
	268	else
	269	show_help();
	270
	271	#ifdef HAVE_SRD
	272	if (opt_pds)
	273	srd_exit();
	274	#endif
	275
	276	done:
	277	if (sr_ctx)
	278	sr_exit(sr_ctx);
	279
	280	return 0;
	281	}