[sigrok-cli.git] / session.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 "sigrok-cli.h"
#include <glib.h>
#include <glib/gstdio.h>
#include <string.h>
#include <stdlib.h>

static uint64_t limit_samples = 0;
static uint64_t limit_frames = 0;
static char *srzip_and_filename = NULL;

#ifdef HAVE_SRD
extern struct srd_session *srd_sess;
#endif

static int set_limit_time(const struct sr_dev_inst *sdi)
{
	GVariant *gvar;
	uint64_t time_msec;
	uint64_t samplerate;
	struct sr_dev_driver *driver;

	driver = sr_dev_inst_driver_get(sdi);

	if (!(time_msec = sr_parse_timestring(opt_time))) {
		g_critical("Invalid time '%s'", opt_time);
		return SR_ERR;
	}

	if (config_key_has_cap(driver, sdi, NULL, SR_CONF_LIMIT_MSEC, SR_CONF_SET)) {
		gvar = g_variant_new_uint64(time_msec);
		if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) {
			g_critical("Failed to configure time limit.");
			return SR_ERR;
		}
	} else if (config_key_has_cap(driver, sdi, NULL, SR_CONF_SAMPLERATE,
			SR_CONF_GET | SR_CONF_SET)) {
		/* Convert to samples based on the samplerate.  */
		sr_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar);
		samplerate = g_variant_get_uint64(gvar);
		g_variant_unref(gvar);
		limit_samples = (samplerate) * time_msec / (uint64_t)1000;
		if (limit_samples == 0) {
			g_critical("Not enough time at this samplerate.");
			return SR_ERR;
		}
		gvar = g_variant_new_uint64(limit_samples);
		if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
			g_critical("Failed to configure time-based sample limit.");
			return SR_ERR;
		}
	} else {
		g_critical("This device does not support time limits.");
		return SR_ERR;
	}

	return SR_OK;
}

const struct sr_output *setup_output_format(const struct sr_dev_inst *sdi)
{
	const struct sr_output_module *omod;
	const struct sr_option **options;
	const struct sr_output *o;
	GHashTable *fmtargs, *fmtopts;
	int size;
	char *fmtspec;

	if (!opt_output_format) {
		if (opt_output_file) {
			size = strlen(opt_output_file) + 32;
			srzip_and_filename = g_malloc(size);
			snprintf(srzip_and_filename, size, "srzip:filename=%s", opt_output_file);
			opt_output_format = srzip_and_filename;
		} else {
			opt_output_format = DEFAULT_OUTPUT_FORMAT;
		}
	}

	fmtargs = parse_generic_arg(opt_output_format, TRUE);
	fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
	if (!fmtspec)
		g_critical("Invalid output format.");
	if (!(omod = sr_output_find(fmtspec)))
		g_critical("Unknown output module '%s'.", fmtspec);
	g_hash_table_remove(fmtargs, "sigrok_key");
	if ((options = sr_output_options_get(omod))) {
		fmtopts = generic_arg_to_opt(options, fmtargs);
		sr_output_options_free(options);
	} else
		fmtopts = NULL;
	o = sr_output_new(omod, fmtopts, sdi);
	if (fmtopts)
		g_hash_table_destroy(fmtopts);
	g_hash_table_destroy(fmtargs);

	return o;
}

void datafeed_in(const struct sr_dev_inst *sdi,
		const struct sr_datafeed_packet *packet, void *cb_data)
{
	const struct sr_datafeed_meta *meta;
	const struct sr_datafeed_logic *logic;
	const struct sr_datafeed_analog *analog;
	struct sr_session *session;
	struct sr_config *src;
	static const struct sr_output *o = NULL;
	static const struct sr_output *oa = NULL;
	static uint64_t rcvd_samples_logic = 0;
	static uint64_t rcvd_samples_analog = 0;
	static uint64_t samplerate = 0;
	static int triggered = 0;
	static FILE *outfile = NULL;
	GSList *l;
	GString *out;
	GVariant *gvar;
	uint64_t end_sample;
	uint64_t input_len;
	struct sr_dev_driver *driver;

	driver = sr_dev_inst_driver_get(sdi);

	/* If the first packet to come in isn't a header, don't even try. */
	if (packet->type != SR_DF_HEADER && o == NULL)
		return;

	session = cb_data;
	switch (packet->type) {
	case SR_DF_HEADER:
		g_debug("cli: Received SR_DF_HEADER.");
		if (!(o = setup_output_format(sdi)))
			g_critical("Failed to initialize output module.");

		/* Set up backup analog output module. */
		oa = sr_output_new(sr_output_find("analog"), NULL, sdi);

		if (opt_output_file)
			outfile = g_fopen(opt_output_file, "wb");
		else
			outfile = stdout;

		rcvd_samples_logic = rcvd_samples_analog = 0;

		if (maybe_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
				&gvar) == SR_OK) {
			samplerate = g_variant_get_uint64(gvar);
			g_variant_unref(gvar);
		}

#ifdef HAVE_SRD
		if (opt_pds) {
			if (samplerate) {
				if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
						g_variant_new_uint64(samplerate)) != SRD_OK) {
					g_critical("Failed to configure decode session.");
					break;
				}
			}
			if (srd_session_start(srd_sess) != SRD_OK) {
				g_critical("Failed to start decode session.");
				break;
			}
		}
#endif
		break;

	case SR_DF_META:
		g_debug("cli: Received SR_DF_META.");
		meta = packet->payload;
		for (l = meta->config; l; l = l->next) {
			src = l->data;
			switch (src->key) {
			case SR_CONF_SAMPLERATE:
				samplerate = g_variant_get_uint64(src->data);
				g_debug("cli: Got samplerate %"PRIu64" Hz.", samplerate);
#ifdef HAVE_SRD
				if (opt_pds) {
					if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
							g_variant_new_uint64(samplerate)) != SRD_OK) {
						g_critical("Failed to pass samplerate to decoder.");
					}
				}
#endif
				break;
			case SR_CONF_SAMPLE_INTERVAL:
				samplerate = g_variant_get_uint64(src->data);
				g_debug("cli: Got sample interval %"PRIu64" ms.", samplerate);
				break;
			default:
				/* Unknown metadata is not an error. */
				break;
			}
		}
		break;

	case SR_DF_TRIGGER:
		g_debug("cli: Received SR_DF_TRIGGER.");
		triggered = 1;
		break;

	case SR_DF_LOGIC:
		logic = packet->payload;
		g_message("cli: Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).",
				logic->length, logic->unitsize);
		if (logic->length == 0)
			break;

		/* Don't store any samples until triggered. */
		if (opt_wait_trigger && !triggered)
			break;

		if (limit_samples && rcvd_samples_logic >= limit_samples)
			break;

		end_sample = rcvd_samples_logic + logic->length / logic->unitsize;
		/* Cut off last packet according to the sample limit. */
		if (limit_samples && end_sample > limit_samples)
			end_sample = limit_samples;
		input_len = (end_sample - rcvd_samples_logic) * logic->unitsize;

		if (opt_pds) {
#ifdef HAVE_SRD
			if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample,
					logic->data, input_len) != SRD_OK)
				sr_session_stop(session);
#endif
		}

		rcvd_samples_logic = end_sample;
		break;

	case SR_DF_ANALOG:
		analog = packet->payload;
		g_message("cli: Received SR_DF_ANALOG (%d samples).", analog->num_samples);
		if (analog->num_samples == 0)
			break;

		if (limit_samples && rcvd_samples_analog >= limit_samples)
			break;

		rcvd_samples_analog += analog->num_samples;
		break;

	case SR_DF_FRAME_BEGIN:
		g_debug("cli: Received SR_DF_FRAME_BEGIN.");
		break;

	case SR_DF_FRAME_END:
		g_debug("cli: Received SR_DF_FRAME_END.");
		break;

	default:
		break;
	}

	if (o && outfile && !opt_pds) {
		if (sr_output_send(o, packet, &out) == SR_OK) {
			if (!out || (out->len == 0
					&& !opt_output_format
					&& packet->type == SR_DF_ANALOG)) {
				/* The user didn't specify an output module,
				 * but needs to see this analog data. */
				sr_output_send(oa, packet, &out);
			}
			if (out && out->len > 0) {
				fwrite(out->str, 1, out->len, outfile);
				fflush(outfile);
			}
			if (out)
				g_string_free(out, TRUE);
		}
	}

	/* SR_DF_END needs to be handled after the output module's receive()
	 * is called, so it can properly clean up that module. */
	if (packet->type == SR_DF_END) {
		g_debug("cli: Received SR_DF_END.");

		if (o) {
			sr_output_free(o);
			if (srzip_and_filename)
				g_free(srzip_and_filename);
		}
		o = NULL;

		sr_output_free(oa);
		oa = NULL;

		if (outfile && outfile != stdout)
			fclose(outfile);

		if (limit_samples) {
			if (rcvd_samples_logic > 0 && rcvd_samples_logic < limit_samples)
				g_warning("Device only sent %" PRIu64 " samples.",
					   rcvd_samples_logic);
			else if (rcvd_samples_analog > 0 && rcvd_samples_analog < limit_samples)
				g_warning("Device only sent %" PRIu64 " samples.",
					   rcvd_samples_analog);
		}
	}

}

int opt_to_gvar(char *key, char *value, struct sr_config *src)
{
	const struct sr_config_info *srci;
	double tmp_double, dlow, dhigh;
	uint64_t tmp_u64, p, q, low, high;
	GVariant *rational[2], *range[2];
	gboolean tmp_bool;
	int ret;

	if (!(srci = sr_config_info_name_get(key))) {
		g_critical("Unknown device option '%s'.", (char *) key);
		return -1;
	}
	src->key = srci->key;

	if ((value == NULL) &&
		(srci->datatype != SR_T_BOOL)) {
		g_critical("Option '%s' needs a value.", (char *)key);
		return -1;
	}

	ret = 0;
	switch (srci->datatype) {
	case SR_T_UINT64:
		ret = sr_parse_sizestring(value, &tmp_u64);
		if (ret != 0)
			break;
		src->data = g_variant_new_uint64(tmp_u64);
		break;
	case SR_T_INT32:
		ret = sr_parse_sizestring(value, &tmp_u64);
		if (ret != 0)
			break;
		src->data = g_variant_new_int32(tmp_u64);
		break;
	case SR_T_STRING:
		src->data = g_variant_new_string(value);
		break;
	case SR_T_BOOL:
		if (!value)
			tmp_bool = TRUE;
		else
			tmp_bool = sr_parse_boolstring(value);
		src->data = g_variant_new_boolean(tmp_bool);
		break;
	case SR_T_FLOAT:
		tmp_double = strtof(value, NULL);
		src->data = g_variant_new_double(tmp_double);
		break;
	case SR_T_RATIONAL_PERIOD:
		if ((ret = sr_parse_period(value, &p, &q)) != SR_OK)
			break;
		rational[0] = g_variant_new_uint64(p);
		rational[1] = g_variant_new_uint64(q);
		src->data = g_variant_new_tuple(rational, 2);
		break;
	case SR_T_RATIONAL_VOLT:
		if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK)
			break;
		rational[0] = g_variant_new_uint64(p);
		rational[1] = g_variant_new_uint64(q);
		src->data = g_variant_new_tuple(rational, 2);
		break;
	case SR_T_UINT64_RANGE:
		if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) {
			ret = -1;
			break;
		} else {
			range[0] = g_variant_new_uint64(low);
			range[1] = g_variant_new_uint64(high);
			src->data = g_variant_new_tuple(range, 2);
		}
		break;
	case SR_T_DOUBLE_RANGE:
		if (sscanf(value, "%lf-%lf", &dlow, &dhigh) != 2) {
			ret = -1;
			break;
		} else {
			range[0] = g_variant_new_double(dlow);
			range[1] = g_variant_new_double(dhigh);
			src->data = g_variant_new_tuple(range, 2);
		}
		break;
	default:
		ret = -1;
	}

	return ret;
}

int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args)
{
	struct sr_config src;
	struct sr_channel_group *cg;
	GHashTableIter iter;
	gpointer key, value;
	int ret;

	g_hash_table_iter_init(&iter, args);
	while (g_hash_table_iter_next(&iter, &key, &value)) {
		if ((ret = opt_to_gvar(key, value, &src)) != 0)
			return ret;
		cg = select_channel_group(sdi);
		if ((ret = maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, cg,
				src.key, src.data)) != SR_OK) {
			g_critical("Failed to set device option '%s'.", (char *)key);
			return ret;
		}
	}

	return SR_OK;
}

void run_session(void)
{
	GSList *devices, *real_devices, *sd;
	GHashTable *devargs;
	GVariant *gvar;
	struct sr_session *session;
	struct sr_trigger *trigger;
	struct sr_dev_inst *sdi;
	uint64_t min_samples, max_samples;
	gsize n_elements, i;
	const uint32_t *dev_opts;
	int is_demo_dev;
	struct sr_dev_driver *driver;

	devices = device_scan();
	if (!devices) {
		g_critical("No devices found.");
		return;
	}

	real_devices = NULL;
	for (sd = devices; sd; sd = sd->next) {
		sdi = sd->data;

		driver = sr_dev_inst_driver_get(sdi);

		if (sr_config_list(driver, sdi, NULL, SR_CONF_DEVICE_OPTIONS, &gvar) != SR_OK) {
			g_critical("Failed to query list device options.");
			return;
		}

		dev_opts = g_variant_get_fixed_array(gvar, &n_elements, sizeof(uint32_t));

		is_demo_dev = 0;
		for (i = 0; i < n_elements; i++) {
			if (dev_opts[i] == SR_CONF_DEMO_DEV)
				is_demo_dev = 1;
		}

		g_variant_unref(gvar);

		if (!is_demo_dev)
			real_devices = g_slist_append(real_devices, sdi);
	}

	if (g_slist_length(devices) > 1) {
		if (g_slist_length(real_devices) != 1) {
			g_critical("sigrok-cli only supports one device for capturing.");
			return;
		} else {
			/* We only have one non-demo device. */
			g_slist_free(devices);
			devices = real_devices;
			real_devices = NULL;
		}
	}

	sdi = devices->data;
	g_slist_free(devices);
	g_slist_free(real_devices);

	sr_session_new(&session);
	sr_session_datafeed_callback_add(session, datafeed_in, NULL);

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

	if (sr_session_dev_add(session, sdi) != SR_OK) {
		g_critical("Failed to add device to session.");
		sr_session_destroy(session);
		return;
	}

	if (opt_config) {
		if ((devargs = parse_generic_arg(opt_config, FALSE))) {
			if (set_dev_options(sdi, devargs) != SR_OK)
				return;
			g_hash_table_destroy(devargs);
		}
	}

	if (select_channels(sdi) != SR_OK) {
		g_critical("Failed to set channels.");
		sr_session_destroy(session);
		return;
	}

	if (opt_triggers) {
		if (!parse_triggerstring(sdi, opt_triggers, &trigger)) {
			sr_session_destroy(session);
			return;
		}
		if (sr_session_trigger_set(session, trigger) != SR_OK) {
			sr_session_destroy(session);
			return;
		}
	}

	if (opt_continuous) {
		if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
			g_critical("This device does not support continuous sampling.");
			sr_session_destroy(session);
			return;
		}
	}

	if (opt_time) {
		if (set_limit_time(sdi) != SR_OK) {
			sr_session_destroy(session);
			return;
		}
	}

	if (opt_samples) {
		if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) {
			g_critical("Invalid sample limit '%s'.", opt_samples);
			sr_session_destroy(session);
			return;
		}
		if (maybe_config_list(driver, sdi, NULL, SR_CONF_LIMIT_SAMPLES,
				&gvar) == SR_OK) {
			/* The device has no compression, or compression is turned
			 * off, and publishes its sample memory size. */
			g_variant_get(gvar, "(tt)", &min_samples, &max_samples);
			g_variant_unref(gvar);
			if (limit_samples < min_samples) {
				g_critical("The device stores at least %"PRIu64
						" samples with the current settings.", min_samples);
			}
			if (limit_samples > max_samples) {
				g_critical("The device can store only %"PRIu64
						" samples with the current settings.", max_samples);
			}
		}
		gvar = g_variant_new_uint64(limit_samples);
		if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
			g_critical("Failed to configure sample limit.");
			sr_session_destroy(session);
			return;
		}
	}

	if (opt_frames) {
		if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
			g_critical("Invalid sample limit '%s'.", opt_samples);
			sr_session_destroy(session);
			return;
		}
		gvar = g_variant_new_uint64(limit_frames);
		if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
			g_critical("Failed to configure frame limit.");
			sr_session_destroy(session);
			return;
		}
	}

	if (sr_session_start(session) != SR_OK) {
		g_critical("Failed to start session.");
		sr_session_destroy(session);
		return;
	}

	if (opt_continuous)
		add_anykey(session);

	sr_session_run(session);

	if (opt_continuous)
		clear_anykey();

	sr_session_datafeed_callback_remove_all(session);
	sr_session_destroy(session);

}
Commit	Line	Data
2be182e6 BV	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
20fb52e0	20	#include "sigrok-cli.h"
2be182e6 BV	21	#include <glib.h>
2be182e6 BV	22	#include <glib/gstdio.h>
55de58a2 UH	23	#include <string.h>
55de58a2 UH	24	#include <stdlib.h>
2be182e6	25
2be182e6 BV	26	static uint64_t limit_samples = 0;
2be182e6 BV	27	static uint64_t limit_frames = 0;
fea5acab	28	static char *srzip_and_filename = NULL;
2be182e6	29
2be182e6 BV	30	#ifdef HAVE_SRD
	31	extern struct srd_session *srd_sess;
	32	#endif
	33
2be182e6 BV	34	static int set_limit_time(const struct sr_dev_inst *sdi)
	35	{
	36	GVariant *gvar;
	37	uint64_t time_msec;
	38	uint64_t samplerate;
c6fa2b2e UH	39	struct sr_dev_driver *driver;
	40
	41	driver = sr_dev_inst_driver_get(sdi);
2be182e6 BV	42
	43	if (!(time_msec = sr_parse_timestring(opt_time))) {
	44	g_critical("Invalid time '%s'", opt_time);
	45	return SR_ERR;
	46	}
	47
24bd9719	48	if (config_key_has_cap(driver, sdi, NULL, SR_CONF_LIMIT_MSEC, SR_CONF_SET)) {
2be182e6 BV	49	gvar = g_variant_new_uint64(time_msec);
	50	if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) {
	51	g_critical("Failed to configure time limit.");
	52	return SR_ERR;
	53	}
24bd9719 BV	54	} else if (config_key_has_cap(driver, sdi, NULL, SR_CONF_SAMPLERATE,
24bd9719 BV	55	SR_CONF_GET \| SR_CONF_SET)) {
2be182e6	56	/* Convert to samples based on the samplerate. */
c6fa2b2e	57	sr_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar);
2be182e6 BV	58	samplerate = g_variant_get_uint64(gvar);
	59	g_variant_unref(gvar);
	60	limit_samples = (samplerate) * time_msec / (uint64_t)1000;
	61	if (limit_samples == 0) {
	62	g_critical("Not enough time at this samplerate.");
	63	return SR_ERR;
	64	}
	65	gvar = g_variant_new_uint64(limit_samples);
	66	if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
	67	g_critical("Failed to configure time-based sample limit.");
	68	return SR_ERR;
	69	}
	70	} else {
	71	g_critical("This device does not support time limits.");
	72	return SR_ERR;
	73	}
	74
	75	return SR_OK;
	76	}
	77
ad6520c4	78	const struct sr_output setup_output_format(const struct sr_dev_inst sdi)
2be182e6	79	{
ad6520c4	80	const struct sr_output_module *omod;
7c6a0420	81	const struct sr_option **options;
ad6520c4 BV	82	const struct sr_output *o;
ad6520c4 BV	83	GHashTable fmtargs, fmtopts;
fea5acab	84	int size;
2be182e6 BV	85	char *fmtspec;
2be182e6 BV	86
2be182e6	87	if (!opt_output_format) {
fea5acab BV	88	if (opt_output_file) {
	89	size = strlen(opt_output_file) + 32;
	90	srzip_and_filename = g_malloc(size);
	91	snprintf(srzip_and_filename, size, "srzip:filename=%s", opt_output_file);
	92	opt_output_format = srzip_and_filename;
	93	} else {
	94	opt_output_format = DEFAULT_OUTPUT_FORMAT;
	95	}
2be182e6 BV	96	}
	97
	98	fmtargs = parse_generic_arg(opt_output_format, TRUE);
	99	fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
6709a694	100	if (!fmtspec)
2be182e6	101	g_critical("Invalid output format.");
ad6520c4	102	if (!(omod = sr_output_find(fmtspec)))
7c6a0420	103	g_critical("Unknown output module '%s'.", fmtspec);
9216694f	104	g_hash_table_remove(fmtargs, "sigrok_key");
7c6a0420 BV	105	if ((options = sr_output_options_get(omod))) {
	106	fmtopts = generic_arg_to_opt(options, fmtargs);
	107	sr_output_options_free(options);
ad6520c4 BV	108	} else
	109	fmtopts = NULL;
	110	o = sr_output_new(omod, fmtopts, sdi);
	111	if (fmtopts)
	112	g_hash_table_destroy(fmtopts);
2be182e6 BV	113	g_hash_table_destroy(fmtargs);
2be182e6 BV	114
6709a694	115	return o;
2be182e6 BV	116	}
	117
	118	void datafeed_in(const struct sr_dev_inst *sdi,
	119	const struct sr_datafeed_packet packet, void cb_data)
	120	{
	121	const struct sr_datafeed_meta *meta;
	122	const struct sr_datafeed_logic *logic;
	123	const struct sr_datafeed_analog *analog;
4bf77ec6	124	struct sr_session *session;
2be182e6	125	struct sr_config *src;
ad6520c4 BV	126	static const struct sr_output *o = NULL;
ad6520c4 BV	127	static const struct sr_output *oa = NULL;
6ea663a7 BV	128	static uint64_t rcvd_samples_logic = 0;
	129	static uint64_t rcvd_samples_analog = 0;
	130	static uint64_t samplerate = 0;
2be182e6 BV	131	static int triggered = 0;
2be182e6 BV	132	static FILE *outfile = NULL;
fea5acab	133	GSList *l;
2be182e6	134	GString *out;
8b65cdcc	135	GVariant *gvar;
55de58a2	136	uint64_t end_sample;
667d4a18	137	uint64_t input_len;
c6fa2b2e UH	138	struct sr_dev_driver *driver;
	139
	140	driver = sr_dev_inst_driver_get(sdi);
2be182e6	141
2be182e6 BV	142	/* If the first packet to come in isn't a header, don't even try. */
	143	if (packet->type != SR_DF_HEADER && o == NULL)
	144	return;
	145
4bf77ec6	146	session = cb_data;
2be182e6 BV	147	switch (packet->type) {
2be182e6 BV	148	case SR_DF_HEADER:
4ed1cdea	149	g_debug("cli: Received SR_DF_HEADER.");
e786e625 BV	150	if (!(o = setup_output_format(sdi)))
e786e625 BV	151	g_critical("Failed to initialize output module.");
2be182e6	152
9216694f	153	/* Set up backup analog output module. */
ad6520c4	154	oa = sr_output_new(sr_output_find("analog"), NULL, sdi);
9216694f	155
fea5acab BV	156	if (opt_output_file)
	157	outfile = g_fopen(opt_output_file, "wb");
	158	else
	159	outfile = stdout;
	160
6ea663a7	161	rcvd_samples_logic = rcvd_samples_analog = 0;
2be182e6	162
24bd9719	163	if (maybe_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
8b65cdcc BV	164	&gvar) == SR_OK) {
	165	samplerate = g_variant_get_uint64(gvar);
	166	g_variant_unref(gvar);
	167	}
	168
2be182e6	169	#ifdef HAVE_SRD
ea6d6dec	170	if (opt_pds) {
8b65cdcc	171	if (samplerate) {
2be182e6 BV	172	if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
	173	g_variant_new_uint64(samplerate)) != SRD_OK) {
	174	g_critical("Failed to configure decode session.");
	175	break;
	176	}
	177	}
	178	if (srd_session_start(srd_sess) != SRD_OK) {
	179	g_critical("Failed to start decode session.");
	180	break;
	181	}
	182	}
	183	#endif
	184	break;
	185
	186	case SR_DF_META:
4ed1cdea	187	g_debug("cli: Received SR_DF_META.");
2be182e6 BV	188	meta = packet->payload;
	189	for (l = meta->config; l; l = l->next) {
	190	src = l->data;
	191	switch (src->key) {
	192	case SR_CONF_SAMPLERATE:
	193	samplerate = g_variant_get_uint64(src->data);
4ed1cdea	194	g_debug("cli: Got samplerate %"PRIu64" Hz.", samplerate);
2be182e6 BV	195	#ifdef HAVE_SRD
	196	if (opt_pds) {
	197	if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
	198	g_variant_new_uint64(samplerate)) != SRD_OK) {
	199	g_critical("Failed to pass samplerate to decoder.");
	200	}
	201	}
	202	#endif
	203	break;
	204	case SR_CONF_SAMPLE_INTERVAL:
	205	samplerate = g_variant_get_uint64(src->data);
4ed1cdea	206	g_debug("cli: Got sample interval %"PRIu64" ms.", samplerate);
2be182e6 BV	207	break;
	208	default:
	209	/* Unknown metadata is not an error. */
	210	break;
	211	}
	212	}
	213	break;
	214
	215	case SR_DF_TRIGGER:
4ed1cdea	216	g_debug("cli: Received SR_DF_TRIGGER.");
2be182e6 BV	217	triggered = 1;
	218	break;
	219
	220	case SR_DF_LOGIC:
	221	logic = packet->payload;
4ed1cdea UH	222	g_message("cli: Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).",
4ed1cdea UH	223	logic->length, logic->unitsize);
2be182e6 BV	224	if (logic->length == 0)
	225	break;
	226
	227	/* Don't store any samples until triggered. */
	228	if (opt_wait_trigger && !triggered)
	229	break;
	230
6ea663a7	231	if (limit_samples && rcvd_samples_logic >= limit_samples)
2be182e6 BV	232	break;
2be182e6 BV	233
6ea663a7	234	end_sample = rcvd_samples_logic + logic->length / logic->unitsize;
8667d3c2 DE	235	/* Cut off last packet according to the sample limit. */
	236	if (limit_samples && end_sample > limit_samples)
	237	end_sample = limit_samples;
6ea663a7	238	input_len = (end_sample - rcvd_samples_logic) * logic->unitsize;
2be182e6	239
fea5acab	240	if (opt_pds) {
2be182e6	241	#ifdef HAVE_SRD
fea5acab BV	242	if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample,
	243	logic->data, input_len) != SRD_OK)
	244	sr_session_stop(session);
2be182e6	245	#endif
2be182e6	246	}
2be182e6	247
6ea663a7	248	rcvd_samples_logic = end_sample;
2be182e6 BV	249	break;
	250
	251	case SR_DF_ANALOG:
	252	analog = packet->payload;
4ed1cdea	253	g_message("cli: Received SR_DF_ANALOG (%d samples).", analog->num_samples);
2be182e6 BV	254	if (analog->num_samples == 0)
	255	break;
	256
6ea663a7	257	if (limit_samples && rcvd_samples_analog >= limit_samples)
2be182e6 BV	258	break;
2be182e6 BV	259
6ea663a7	260	rcvd_samples_analog += analog->num_samples;
2be182e6 BV	261	break;
	262
	263	case SR_DF_FRAME_BEGIN:
4ed1cdea	264	g_debug("cli: Received SR_DF_FRAME_BEGIN.");
2be182e6 BV	265	break;
	266
	267	case SR_DF_FRAME_END:
4ed1cdea	268	g_debug("cli: Received SR_DF_FRAME_END.");
2be182e6 BV	269	break;
	270
	271	default:
	272	break;
	273	}
	274
f4ffd032	275	if (o && outfile && !opt_pds) {
9216694f	276	if (sr_output_send(o, packet, &out) == SR_OK) {
fea5acab BV	277	if (!out \|\| (out->len == 0
fea5acab BV	278	&& !opt_output_format
9216694f BV	279	&& packet->type == SR_DF_ANALOG)) {
	280	/* The user didn't specify an output module,
	281	* but needs to see this analog data. */
	282	sr_output_send(oa, packet, &out);
	283	}
	284	if (out && out->len > 0) {
	285	fwrite(out->str, 1, out->len, outfile);
	286	fflush(outfile);
	287	}
	288	if (out)
	289	g_string_free(out, TRUE);
2be182e6 BV	290	}
	291	}
	292
	293	/* SR_DF_END needs to be handled after the output module's receive()
6ea663a7	294	* is called, so it can properly clean up that module. */
2be182e6	295	if (packet->type == SR_DF_END) {
4ed1cdea	296	g_debug("cli: Received SR_DF_END.");
2be182e6	297
fea5acab	298	if (o) {
6709a694	299	sr_output_free(o);
fea5acab BV	300	if (srzip_and_filename)
	301	g_free(srzip_and_filename);
	302	}
2be182e6 BV	303	o = NULL;
2be182e6 BV	304
9216694f BV	305	sr_output_free(oa);
	306	oa = NULL;
	307
2be182e6 BV	308	if (outfile && outfile != stdout)
	309	fclose(outfile);
	310
6ea663a7 BV	311	if (limit_samples) {
	312	if (rcvd_samples_logic > 0 && rcvd_samples_logic < limit_samples)
	313	g_warning("Device only sent %" PRIu64 " samples.",
	314	rcvd_samples_logic);
	315	else if (rcvd_samples_analog > 0 && rcvd_samples_analog < limit_samples)
	316	g_warning("Device only sent %" PRIu64 " samples.",
	317	rcvd_samples_analog);
2be182e6 BV	318	}
	319	}
	320
	321	}
	322
ad54a1a6	323	int opt_to_gvar(char key, char value, struct sr_config *src)
2be182e6 BV	324	{
2be182e6 BV	325	const struct sr_config_info *srci;
426d0cda	326	double tmp_double, dlow, dhigh;
2be182e6	327	uint64_t tmp_u64, p, q, low, high;
ad54a1a6	328	GVariant rational[2], range[2];
2be182e6	329	gboolean tmp_bool;
ad54a1a6	330	int ret;
2be182e6	331
ad54a1a6 BV	332	if (!(srci = sr_config_info_name_get(key))) {
	333	g_critical("Unknown device option '%s'.", (char *) key);
	334	return -1;
	335	}
	336	src->key = srci->key;
2be182e6	337
ad54a1a6 BV	338	if ((value == NULL) &&
	339	(srci->datatype != SR_T_BOOL)) {
	340	g_critical("Option '%s' needs a value.", (char *)key);
	341	return -1;
	342	}
	343
	344	ret = 0;
	345	switch (srci->datatype) {
	346	case SR_T_UINT64:
	347	ret = sr_parse_sizestring(value, &tmp_u64);
	348	if (ret != 0)
2be182e6	349	break;
ad54a1a6 BV	350	src->data = g_variant_new_uint64(tmp_u64);
	351	break;
	352	case SR_T_INT32:
	353	ret = sr_parse_sizestring(value, &tmp_u64);
	354	if (ret != 0)
2be182e6	355	break;
ad54a1a6 BV	356	src->data = g_variant_new_int32(tmp_u64);
ad54a1a6 BV	357	break;
9db40e9f	358	case SR_T_STRING:
ad54a1a6 BV	359	src->data = g_variant_new_string(value);
	360	break;
	361	case SR_T_BOOL:
	362	if (!value)
	363	tmp_bool = TRUE;
	364	else
	365	tmp_bool = sr_parse_boolstring(value);
	366	src->data = g_variant_new_boolean(tmp_bool);
	367	break;
	368	case SR_T_FLOAT:
	369	tmp_double = strtof(value, NULL);
	370	src->data = g_variant_new_double(tmp_double);
	371	break;
	372	case SR_T_RATIONAL_PERIOD:
	373	if ((ret = sr_parse_period(value, &p, &q)) != SR_OK)
2be182e6	374	break;
ad54a1a6 BV	375	rational[0] = g_variant_new_uint64(p);
	376	rational[1] = g_variant_new_uint64(q);
	377	src->data = g_variant_new_tuple(rational, 2);
	378	break;
	379	case SR_T_RATIONAL_VOLT:
	380	if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK)
2be182e6	381	break;
ad54a1a6 BV	382	rational[0] = g_variant_new_uint64(p);
	383	rational[1] = g_variant_new_uint64(q);
	384	src->data = g_variant_new_tuple(rational, 2);
	385	break;
	386	case SR_T_UINT64_RANGE:
	387	if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) {
	388	ret = -1;
2be182e6	389	break;
ad54a1a6 BV	390	} else {
	391	range[0] = g_variant_new_uint64(low);
	392	range[1] = g_variant_new_uint64(high);
	393	src->data = g_variant_new_tuple(range, 2);
2be182e6	394	}
ad54a1a6	395	break;
426d0cda BV	396	case SR_T_DOUBLE_RANGE:
	397	if (sscanf(value, "%lf-%lf", &dlow, &dhigh) != 2) {
	398	ret = -1;
	399	break;
	400	} else {
	401	range[0] = g_variant_new_double(dlow);
	402	range[1] = g_variant_new_double(dhigh);
	403	src->data = g_variant_new_tuple(range, 2);
	404	}
	405	break;
ad54a1a6 BV	406	default:
	407	ret = -1;
	408	}
	409
	410	return ret;
	411	}
	412
	413	int set_dev_options(struct sr_dev_inst sdi, GHashTable args)
	414	{
	415	struct sr_config src;
ca50f4b3	416	struct sr_channel_group *cg;
ad54a1a6 BV	417	GHashTableIter iter;
	418	gpointer key, value;
	419	int ret;
	420
	421	g_hash_table_iter_init(&iter, args);
	422	while (g_hash_table_iter_next(&iter, &key, &value)) {
	423	if ((ret = opt_to_gvar(key, value, &src)) != 0)
	424	return ret;
ca50f4b3	425	cg = select_channel_group(sdi);
24bd9719 BV	426	if ((ret = maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, cg,
24bd9719 BV	427	src.key, src.data)) != SR_OK) {
2be182e6 BV	428	g_critical("Failed to set device option '%s'.", (char *)key);
	429	return ret;
	430	}
	431	}
	432
	433	return SR_OK;
	434	}
	435
	436	void run_session(void)
	437	{
ac3dcd3e	438	GSList devices, real_devices, *sd;
2be182e6 BV	439	GHashTable *devargs;
2be182e6 BV	440	GVariant *gvar;
4bf77ec6 BV	441	struct sr_session *session;
4bf77ec6 BV	442	struct sr_trigger *trigger;
2be182e6	443	struct sr_dev_inst *sdi;
02c65935	444	uint64_t min_samples, max_samples;
ac3dcd3e PZ	445	gsize n_elements, i;
	446	const uint32_t *dev_opts;
	447	int is_demo_dev;
c6fa2b2e	448	struct sr_dev_driver *driver;
2be182e6 BV	449
	450	devices = device_scan();
	451	if (!devices) {
	452	g_critical("No devices found.");
	453	return;
	454	}
ac3dcd3e PZ	455
	456	real_devices = NULL;
	457	for (sd = devices; sd; sd = sd->next) {
	458	sdi = sd->data;
	459
c6fa2b2e UH	460	driver = sr_dev_inst_driver_get(sdi);
	461
	462	if (sr_config_list(driver, sdi, NULL, SR_CONF_DEVICE_OPTIONS, &gvar) != SR_OK) {
24bd9719	463	g_critical("Failed to query list device options.");
ac3dcd3e PZ	464	return;
	465	}
	466
	467	dev_opts = g_variant_get_fixed_array(gvar, &n_elements, sizeof(uint32_t));
	468
	469	is_demo_dev = 0;
	470	for (i = 0; i < n_elements; i++) {
	471	if (dev_opts[i] == SR_CONF_DEMO_DEV)
	472	is_demo_dev = 1;
	473	}
	474
	475	g_variant_unref(gvar);
	476
	477	if (!is_demo_dev)
	478	real_devices = g_slist_append(real_devices, sdi);
	479	}
	480
2be182e6	481	if (g_slist_length(devices) > 1) {
ac3dcd3e PZ	482	if (g_slist_length(real_devices) != 1) {
	483	g_critical("sigrok-cli only supports one device for capturing.");
	484	return;
	485	} else {
	486	/* We only have one non-demo device. */
	487	g_slist_free(devices);
	488	devices = real_devices;
	489	real_devices = NULL;
	490	}
2be182e6	491	}
ac3dcd3e	492
2be182e6	493	sdi = devices->data;
b4eece7c	494	g_slist_free(devices);
ac3dcd3e	495	g_slist_free(real_devices);
2be182e6	496
4bf77ec6 BV	497	sr_session_new(&session);
4bf77ec6 BV	498	sr_session_datafeed_callback_add(session, datafeed_in, NULL);
2be182e6 BV	499
	500	if (sr_dev_open(sdi) != SR_OK) {
	501	g_critical("Failed to open device.");
	502	return;
	503	}
	504
4bf77ec6	505	if (sr_session_dev_add(session, sdi) != SR_OK) {
2be182e6	506	g_critical("Failed to add device to session.");
4bf77ec6	507	sr_session_destroy(session);
2be182e6 BV	508	return;
	509	}
	510
	511	if (opt_config) {
	512	if ((devargs = parse_generic_arg(opt_config, FALSE))) {
	513	if (set_dev_options(sdi, devargs) != SR_OK)
	514	return;
	515	g_hash_table_destroy(devargs);
	516	}
	517	}
	518
029d73fe UH	519	if (select_channels(sdi) != SR_OK) {
029d73fe UH	520	g_critical("Failed to set channels.");
4bf77ec6	521	sr_session_destroy(session);
2be182e6 BV	522	return;
	523	}
	524
	525	if (opt_triggers) {
4bf77ec6 BV	526	if (!parse_triggerstring(sdi, opt_triggers, &trigger)) {
	527	sr_session_destroy(session);
	528	return;
	529	}
	530	if (sr_session_trigger_set(session, trigger) != SR_OK) {
	531	sr_session_destroy(session);
2be182e6 BV	532	return;
2be182e6 BV	533	}
2be182e6 BV	534	}
	535
	536	if (opt_continuous) {
	537	if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
	538	g_critical("This device does not support continuous sampling.");
4bf77ec6	539	sr_session_destroy(session);
2be182e6 BV	540	return;
	541	}
	542	}
	543
	544	if (opt_time) {
	545	if (set_limit_time(sdi) != SR_OK) {
4bf77ec6	546	sr_session_destroy(session);
2be182e6 BV	547	return;
	548	}
	549	}
	550
	551	if (opt_samples) {
	552	if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) {
	553	g_critical("Invalid sample limit '%s'.", opt_samples);
4bf77ec6	554	sr_session_destroy(session);
2be182e6 BV	555	return;
2be182e6 BV	556	}
24bd9719 BV	557	if (maybe_config_list(driver, sdi, NULL, SR_CONF_LIMIT_SAMPLES,
24bd9719 BV	558	&gvar) == SR_OK) {
c7a5cb12 BV	559	/* The device has no compression, or compression is turned
c7a5cb12 BV	560	* off, and publishes its sample memory size. */
02c65935	561	g_variant_get(gvar, "(tt)", &min_samples, &max_samples);
be781321	562	g_variant_unref(gvar);
02c65935 BV	563	if (limit_samples < min_samples) {
	564	g_critical("The device stores at least %"PRIu64
	565	" samples with the current settings.", min_samples);
	566	}
c7a5cb12 BV	567	if (limit_samples > max_samples) {
	568	g_critical("The device can store only %"PRIu64
	569	" samples with the current settings.", max_samples);
	570	}
	571	}
2be182e6	572	gvar = g_variant_new_uint64(limit_samples);
24bd9719	573	if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
2be182e6	574	g_critical("Failed to configure sample limit.");
4bf77ec6	575	sr_session_destroy(session);
2be182e6 BV	576	return;
	577	}
	578	}
	579
	580	if (opt_frames) {
	581	if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
	582	g_critical("Invalid sample limit '%s'.", opt_samples);
4bf77ec6	583	sr_session_destroy(session);
2be182e6 BV	584	return;
	585	}
	586	gvar = g_variant_new_uint64(limit_frames);
24bd9719	587	if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
2be182e6	588	g_critical("Failed to configure frame limit.");
4bf77ec6	589	sr_session_destroy(session);
2be182e6 BV	590	return;
	591	}
	592	}
	593
4bf77ec6	594	if (sr_session_start(session) != SR_OK) {
2be182e6	595	g_critical("Failed to start session.");
4bf77ec6	596	sr_session_destroy(session);
2be182e6 BV	597	return;
	598	}
	599
	600	if (opt_continuous)
4bf77ec6	601	add_anykey(session);
2be182e6	602
4bf77ec6	603	sr_session_run(session);
2be182e6 BV	604
	605	if (opt_continuous)
	606	clear_anykey();
	607
4bf77ec6 BV	608	sr_session_datafeed_callback_remove_all(session);
4bf77ec6 BV	609	sr_session_destroy(session);
2be182e6 BV	610
	611	}
	612