[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 struct sr_output_format *output_format = NULL;
static int default_output_format = FALSE;
static uint64_t limit_samples = 0;
static uint64_t limit_frames = 0;

#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;

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

	if (sr_dev_has_option(sdi, SR_CONF_LIMIT_MSEC)) {
		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 (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) {
		/* Convert to samples based on the samplerate.  */
		sr_config_get(sdi->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;
}

struct sr_output *setup_output_format(const struct sr_dev_inst *sdi)
{
	GHashTable *fmtargs;
	struct sr_output *o;
	struct sr_output_format **outputs;
	int i;
	char *fmtspec;

	if (opt_output_format && !strcmp(opt_output_format, "sigrok")) {
		/* Doesn't really exist as an output module - this is
		 * the session save mode. */
		g_free(opt_output_format);
		opt_output_format = NULL;
	}

	if (!opt_output_format) {
		opt_output_format = DEFAULT_OUTPUT_FORMAT;
		/* we'll need to remember this so when saving to a file
		 * later, sigrok session format will be used.
		 */
		default_output_format = TRUE;
	}

	fmtargs = parse_generic_arg(opt_output_format, TRUE);
	fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
	if (!fmtspec)
		g_critical("Invalid output format.");
	outputs = sr_output_list();
	for (i = 0; outputs[i]; i++) {
		if (strcmp(outputs[i]->id, fmtspec))
			continue;
		g_hash_table_remove(fmtargs, "sigrok_key");
		output_format = outputs[i];
		break;
	}
	if (!output_format)
		g_critical("Invalid output format '%s'.", opt_output_format);
	o = sr_output_new(output_format, fmtargs, sdi);
	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_config *src;
	struct sr_channel *ch;
	static struct sr_output *o = 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;
	int i;
	char **channels;

	(void) cb_data;

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

	switch (packet->type) {
	case SR_DF_HEADER:
		g_debug("cli: Received SR_DF_HEADER.");
		o = setup_output_format(sdi);

		/* Prepare non-stdout output. */
		outfile = stdout;
		if (opt_output_file) {
			if (default_output_format) {
				outfile = NULL;
			} else {
				/* saving to a file in whatever format was set
				 * with --format, so all we need is a filehandle */
				outfile = g_fopen(opt_output_file, "wb");
			}
		}
		rcvd_samples_logic = rcvd_samples_analog = 0;

		if (sr_config_get(sdi->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_output_file && default_output_format) {
			/* Saving to a session file. */
			if (rcvd_samples_logic == 0) {
				/* First packet with logic data, init session file. */
				channels = g_malloc(sizeof(char *) * g_slist_length(sdi->channels));
				for (i = 0, l = sdi->channels; l; l = l->next) {
					ch = l->data;
					if (ch->enabled && ch->type == SR_CHANNEL_LOGIC)
						channels[i++] = ch->name;
				}
				channels[i] = NULL;
				sr_session_save_init(opt_output_file, samplerate,
						channels);
				g_free(channels);
			}
			save_chunk_logic(logic->data, input_len, logic->unitsize);
		} else {
			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();
#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 && out) {
			fwrite(out->str, 1, out->len, outfile);
			fflush(outfile);
			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);
		o = NULL;

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

		if (opt_output_file && default_output_format)
			/* Flush whatever is left out to the session file. */
			save_chunk_logic(NULL, 0, 0);

		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);
		ret = sr_config_set(sdi, cg, src.key, src.data);
		if (ret != SR_OK) {
			g_critical("Failed to set device option '%s'.", (char *)key);
			return ret;
		}
	}

	return SR_OK;
}

void run_session(void)
{
	GSList *devices;
	GHashTable *devargs;
	GVariant *gvar;
	struct sr_dev_inst *sdi;
	uint64_t min_samples, max_samples;

	devices = device_scan();
	if (!devices) {
		g_critical("No devices found.");
		return;
	}
	if (g_slist_length(devices) > 1) {
		g_critical("sigrok-cli only supports one device for capturing.");
		return;
	}
	sdi = devices->data;

	sr_session_new();
	sr_session_datafeed_callback_add(datafeed_in, NULL);

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

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

	if (opt_triggers) {
		if (!parse_triggerstring(sdi, opt_triggers)) {
			sr_session_destroy();
			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();
			return;
		}
	}

	if (opt_time) {
		if (set_limit_time(sdi) != SR_OK) {
			sr_session_destroy();
			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();
			return;
		}
		if (sr_config_list(sdi->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 (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
			g_critical("Failed to configure sample limit.");
			sr_session_destroy();
			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();
			return;
		}
		gvar = g_variant_new_uint64(limit_frames);
		if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
			g_critical("Failed to configure frame limit.");
			sr_session_destroy();
			return;
		}
	}

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

	if (opt_continuous)
		add_anykey();

	sr_session_run();

	if (opt_continuous)
		clear_anykey();

	sr_session_datafeed_callback_remove_all();
	sr_session_destroy();
	g_slist_free(devices);

}

void save_chunk_logic(uint8_t *data, uint64_t data_len, int unitsize)
{
	static uint8_t *buf = NULL;
	static int buf_len = 0;
	static int last_unitsize = 0;
	int max;

	if (!buf)
		buf = g_malloc(SAVE_CHUNK_SIZE);

	if (buf_len + data_len > SAVE_CHUNK_SIZE) {
		max = (SAVE_CHUNK_SIZE - buf_len) / unitsize * unitsize;
		memcpy(buf + buf_len, data, max);
		sr_session_append(opt_output_file, buf, unitsize,
				(buf_len + max) / unitsize);
		memcpy(buf, data + max, data_len - max);
		buf_len = data_len - max;
	} else if (data_len == 0 && last_unitsize != 0) {
		/* End of data, flush the buffer out. */
		sr_session_append(opt_output_file, buf, last_unitsize,
				buf_len / last_unitsize);
	} else {
		/* Buffer chunk. */
		memcpy(buf + buf_len, data, data_len);
		buf_len += data_len;
	}
	last_unitsize = unitsize;

}
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 BV	25
	26	static struct sr_output_format *output_format = NULL;
	27	static int default_output_format = FALSE;
2be182e6 BV	28	static uint64_t limit_samples = 0;
	29	static uint64_t limit_frames = 0;
	30
2be182e6 BV	31	#ifdef HAVE_SRD
	32	extern struct srd_session *srd_sess;
	33	#endif
	34
2be182e6 BV	35	static int set_limit_time(const struct sr_dev_inst *sdi)
	36	{
	37	GVariant *gvar;
	38	uint64_t time_msec;
	39	uint64_t samplerate;
	40
	41	if (!(time_msec = sr_parse_timestring(opt_time))) {
	42	g_critical("Invalid time '%s'", opt_time);
	43	return SR_ERR;
	44	}
	45
	46	if (sr_dev_has_option(sdi, SR_CONF_LIMIT_MSEC)) {
	47	gvar = g_variant_new_uint64(time_msec);
	48	if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) {
	49	g_critical("Failed to configure time limit.");
	50	return SR_ERR;
	51	}
	52	} else if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) {
	53	/* Convert to samples based on the samplerate. */
	54	sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar);
	55	samplerate = g_variant_get_uint64(gvar);
	56	g_variant_unref(gvar);
	57	limit_samples = (samplerate) * time_msec / (uint64_t)1000;
	58	if (limit_samples == 0) {
	59	g_critical("Not enough time at this samplerate.");
	60	return SR_ERR;
	61	}
	62	gvar = g_variant_new_uint64(limit_samples);
	63	if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
	64	g_critical("Failed to configure time-based sample limit.");
	65	return SR_ERR;
	66	}
	67	} else {
	68	g_critical("This device does not support time limits.");
	69	return SR_ERR;
	70	}
	71
	72	return SR_OK;
	73	}
	74
6709a694	75	struct sr_output setup_output_format(const struct sr_dev_inst sdi)
2be182e6 BV	76	{
2be182e6 BV	77	GHashTable *fmtargs;
6709a694	78	struct sr_output *o;
2be182e6 BV	79	struct sr_output_format **outputs;
	80	int i;
	81	char *fmtspec;
	82
	83	if (opt_output_format && !strcmp(opt_output_format, "sigrok")) {
	84	/* Doesn't really exist as an output module - this is
	85	* the session save mode. */
	86	g_free(opt_output_format);
	87	opt_output_format = NULL;
	88	}
	89
	90	if (!opt_output_format) {
	91	opt_output_format = DEFAULT_OUTPUT_FORMAT;
	92	/* we'll need to remember this so when saving to a file
	93	* later, sigrok session format will be used.
	94	*/
	95	default_output_format = TRUE;
	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.");
2be182e6 BV	102	outputs = sr_output_list();
	103	for (i = 0; outputs[i]; i++) {
	104	if (strcmp(outputs[i]->id, fmtspec))
	105	continue;
	106	g_hash_table_remove(fmtargs, "sigrok_key");
	107	output_format = outputs[i];
2be182e6 BV	108	break;
2be182e6 BV	109	}
6709a694 BV	110	if (!output_format)
	111	g_critical("Invalid output format '%s'.", opt_output_format);
	112	o = sr_output_new(output_format, fmtargs, sdi);
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;
	124	struct sr_config *src;
029d73fe	125	struct sr_channel *ch;
2be182e6	126	static struct sr_output *o = NULL;
6ea663a7 BV	127	static uint64_t rcvd_samples_logic = 0;
	128	static uint64_t rcvd_samples_analog = 0;
	129	static uint64_t samplerate = 0;
2be182e6 BV	130	static int triggered = 0;
	131	static FILE *outfile = NULL;
	132	GSList *l;
	133	GString *out;
8b65cdcc	134	GVariant *gvar;
55de58a2	135	uint64_t end_sample;
667d4a18	136	uint64_t input_len;
6ea663a7	137	int i;
029d73fe	138	char **channels;
2be182e6 BV	139
	140	(void) cb_data;
	141
	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
2be182e6 BV	146	switch (packet->type) {
2be182e6 BV	147	case SR_DF_HEADER:
4ed1cdea	148	g_debug("cli: Received SR_DF_HEADER.");
6709a694	149	o = setup_output_format(sdi);
2be182e6 BV	150
	151	/* Prepare non-stdout output. */
	152	outfile = stdout;
	153	if (opt_output_file) {
	154	if (default_output_format) {
2be182e6	155	outfile = NULL;
2be182e6 BV	156	} else {
	157	/* saving to a file in whatever format was set
	158	* with --format, so all we need is a filehandle */
	159	outfile = g_fopen(opt_output_file, "wb");
	160	}
	161	}
6ea663a7	162	rcvd_samples_logic = rcvd_samples_analog = 0;
2be182e6	163
8b65cdcc BV	164	if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE,
	165	&gvar) == SR_OK) {
	166	samplerate = g_variant_get_uint64(gvar);
	167	g_variant_unref(gvar);
	168	}
	169
2be182e6	170	#ifdef HAVE_SRD
ea6d6dec	171	if (opt_pds) {
8b65cdcc	172	if (samplerate) {
2be182e6 BV	173	if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
	174	g_variant_new_uint64(samplerate)) != SRD_OK) {
	175	g_critical("Failed to configure decode session.");
	176	break;
	177	}
	178	}
	179	if (srd_session_start(srd_sess) != SRD_OK) {
	180	g_critical("Failed to start decode session.");
	181	break;
	182	}
	183	}
	184	#endif
	185	break;
	186
	187	case SR_DF_META:
4ed1cdea	188	g_debug("cli: Received SR_DF_META.");
2be182e6 BV	189	meta = packet->payload;
	190	for (l = meta->config; l; l = l->next) {
	191	src = l->data;
	192	switch (src->key) {
	193	case SR_CONF_SAMPLERATE:
	194	samplerate = g_variant_get_uint64(src->data);
4ed1cdea	195	g_debug("cli: Got samplerate %"PRIu64" Hz.", samplerate);
2be182e6 BV	196	#ifdef HAVE_SRD
	197	if (opt_pds) {
	198	if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
	199	g_variant_new_uint64(samplerate)) != SRD_OK) {
	200	g_critical("Failed to pass samplerate to decoder.");
	201	}
	202	}
	203	#endif
	204	break;
	205	case SR_CONF_SAMPLE_INTERVAL:
	206	samplerate = g_variant_get_uint64(src->data);
4ed1cdea	207	g_debug("cli: Got sample interval %"PRIu64" ms.", samplerate);
2be182e6 BV	208	break;
	209	default:
	210	/* Unknown metadata is not an error. */
	211	break;
	212	}
	213	}
	214	break;
	215
	216	case SR_DF_TRIGGER:
4ed1cdea	217	g_debug("cli: Received SR_DF_TRIGGER.");
2be182e6 BV	218	triggered = 1;
	219	break;
	220
	221	case SR_DF_LOGIC:
	222	logic = packet->payload;
4ed1cdea UH	223	g_message("cli: Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).",
4ed1cdea UH	224	logic->length, logic->unitsize);
2be182e6 BV	225	if (logic->length == 0)
	226	break;
	227
	228	/* Don't store any samples until triggered. */
	229	if (opt_wait_trigger && !triggered)
	230	break;
	231
6ea663a7	232	if (limit_samples && rcvd_samples_logic >= limit_samples)
2be182e6 BV	233	break;
2be182e6 BV	234
6ea663a7	235	end_sample = rcvd_samples_logic + logic->length / logic->unitsize;
8667d3c2 DE	236	/* Cut off last packet according to the sample limit. */
	237	if (limit_samples && end_sample > limit_samples)
	238	end_sample = limit_samples;
6ea663a7	239	input_len = (end_sample - rcvd_samples_logic) * logic->unitsize;
2be182e6 BV	240
	241	if (opt_output_file && default_output_format) {
	242	/* Saving to a session file. */
6ea663a7 BV	243	if (rcvd_samples_logic == 0) {
6ea663a7 BV	244	/* First packet with logic data, init session file. */
029d73fe UH	245	channels = g_malloc(sizeof(char ) g_slist_length(sdi->channels));
	246	for (i = 0, l = sdi->channels; l; l = l->next) {
	247	ch = l->data;
	248	if (ch->enabled && ch->type == SR_CHANNEL_LOGIC)
	249	channels[i++] = ch->name;
6ea663a7	250	}
029d73fe	251	channels[i] = NULL;
6ea663a7	252	sr_session_save_init(opt_output_file, samplerate,
029d73fe UH	253	channels);
029d73fe UH	254	g_free(channels);
6ea663a7 BV	255	}
6ea663a7 BV	256	save_chunk_logic(logic->data, input_len, logic->unitsize);
2be182e6 BV	257	} else {
	258	if (opt_pds) {
	259	#ifdef HAVE_SRD
6ea663a7	260	if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample,
8667d3c2	261	logic->data, input_len) != SRD_OK)
2be182e6 BV	262	sr_session_stop();
2be182e6 BV	263	#endif
2be182e6 BV	264	}
2be182e6 BV	265	}
2be182e6	266
6ea663a7	267	rcvd_samples_logic = end_sample;
2be182e6 BV	268	break;
	269
	270	case SR_DF_ANALOG:
	271	analog = packet->payload;
4ed1cdea	272	g_message("cli: Received SR_DF_ANALOG (%d samples).", analog->num_samples);
2be182e6 BV	273	if (analog->num_samples == 0)
	274	break;
	275
6ea663a7	276	if (limit_samples && rcvd_samples_analog >= limit_samples)
2be182e6 BV	277	break;
2be182e6 BV	278
6ea663a7	279	rcvd_samples_analog += analog->num_samples;
2be182e6 BV	280	break;
	281
	282	case SR_DF_FRAME_BEGIN:
4ed1cdea	283	g_debug("cli: Received SR_DF_FRAME_BEGIN.");
2be182e6 BV	284	break;
	285
	286	case SR_DF_FRAME_END:
4ed1cdea	287	g_debug("cli: Received SR_DF_FRAME_END.");
2be182e6 BV	288	break;
	289
	290	default:
	291	break;
	292	}
	293
f4ffd032	294	if (o && outfile && !opt_pds) {
6709a694	295	if (sr_output_send(o, packet, &out) == SR_OK && out) {
2be182e6 BV	296	fwrite(out->str, 1, out->len, outfile);
	297	fflush(outfile);
	298	g_string_free(out, TRUE);
	299	}
	300	}
	301
	302	/* SR_DF_END needs to be handled after the output module's receive()
6ea663a7	303	* is called, so it can properly clean up that module. */
2be182e6	304	if (packet->type == SR_DF_END) {
4ed1cdea	305	g_debug("cli: Received SR_DF_END.");
2be182e6	306
6709a694 BV	307	if (o)
6709a694 BV	308	sr_output_free(o);
2be182e6 BV	309	o = NULL;
	310
	311	if (outfile && outfile != stdout)
	312	fclose(outfile);
	313
6ea663a7 BV	314	if (opt_output_file && default_output_format)
	315	/* Flush whatever is left out to the session file. */
	316	save_chunk_logic(NULL, 0, 0);
	317
	318	if (limit_samples) {
	319	if (rcvd_samples_logic > 0 && rcvd_samples_logic < limit_samples)
	320	g_warning("Device only sent %" PRIu64 " samples.",
	321	rcvd_samples_logic);
	322	else if (rcvd_samples_analog > 0 && rcvd_samples_analog < limit_samples)
	323	g_warning("Device only sent %" PRIu64 " samples.",
	324	rcvd_samples_analog);
2be182e6 BV	325	}
	326	}
	327
	328	}
	329
ad54a1a6	330	int opt_to_gvar(char key, char value, struct sr_config *src)
2be182e6 BV	331	{
2be182e6 BV	332	const struct sr_config_info *srci;
426d0cda	333	double tmp_double, dlow, dhigh;
2be182e6	334	uint64_t tmp_u64, p, q, low, high;
ad54a1a6	335	GVariant rational[2], range[2];
2be182e6	336	gboolean tmp_bool;
ad54a1a6	337	int ret;
2be182e6	338
ad54a1a6 BV	339	if (!(srci = sr_config_info_name_get(key))) {
	340	g_critical("Unknown device option '%s'.", (char *) key);
	341	return -1;
	342	}
	343	src->key = srci->key;
2be182e6	344
ad54a1a6 BV	345	if ((value == NULL) &&
	346	(srci->datatype != SR_T_BOOL)) {
	347	g_critical("Option '%s' needs a value.", (char *)key);
	348	return -1;
	349	}
	350
	351	ret = 0;
	352	switch (srci->datatype) {
	353	case SR_T_UINT64:
	354	ret = sr_parse_sizestring(value, &tmp_u64);
	355	if (ret != 0)
2be182e6	356	break;
ad54a1a6 BV	357	src->data = g_variant_new_uint64(tmp_u64);
	358	break;
	359	case SR_T_INT32:
	360	ret = sr_parse_sizestring(value, &tmp_u64);
	361	if (ret != 0)
2be182e6	362	break;
ad54a1a6 BV	363	src->data = g_variant_new_int32(tmp_u64);
ad54a1a6 BV	364	break;
9db40e9f	365	case SR_T_STRING:
ad54a1a6 BV	366	src->data = g_variant_new_string(value);
	367	break;
	368	case SR_T_BOOL:
	369	if (!value)
	370	tmp_bool = TRUE;
	371	else
	372	tmp_bool = sr_parse_boolstring(value);
	373	src->data = g_variant_new_boolean(tmp_bool);
	374	break;
	375	case SR_T_FLOAT:
	376	tmp_double = strtof(value, NULL);
	377	src->data = g_variant_new_double(tmp_double);
	378	break;
	379	case SR_T_RATIONAL_PERIOD:
	380	if ((ret = sr_parse_period(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_RATIONAL_VOLT:
	387	if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK)
2be182e6	388	break;
ad54a1a6 BV	389	rational[0] = g_variant_new_uint64(p);
	390	rational[1] = g_variant_new_uint64(q);
	391	src->data = g_variant_new_tuple(rational, 2);
	392	break;
	393	case SR_T_UINT64_RANGE:
	394	if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) {
	395	ret = -1;
2be182e6	396	break;
ad54a1a6 BV	397	} else {
	398	range[0] = g_variant_new_uint64(low);
	399	range[1] = g_variant_new_uint64(high);
	400	src->data = g_variant_new_tuple(range, 2);
2be182e6	401	}
ad54a1a6	402	break;
426d0cda BV	403	case SR_T_DOUBLE_RANGE:
	404	if (sscanf(value, "%lf-%lf", &dlow, &dhigh) != 2) {
	405	ret = -1;
	406	break;
	407	} else {
	408	range[0] = g_variant_new_double(dlow);
	409	range[1] = g_variant_new_double(dhigh);
	410	src->data = g_variant_new_tuple(range, 2);
	411	}
	412	break;
ad54a1a6 BV	413	default:
	414	ret = -1;
	415	}
	416
	417	return ret;
	418	}
	419
	420	int set_dev_options(struct sr_dev_inst sdi, GHashTable args)
	421	{
	422	struct sr_config src;
ca50f4b3	423	struct sr_channel_group *cg;
ad54a1a6 BV	424	GHashTableIter iter;
	425	gpointer key, value;
	426	int ret;
	427
	428	g_hash_table_iter_init(&iter, args);
	429	while (g_hash_table_iter_next(&iter, &key, &value)) {
	430	if ((ret = opt_to_gvar(key, value, &src)) != 0)
	431	return ret;
ca50f4b3 UH	432	cg = select_channel_group(sdi);
ca50f4b3 UH	433	ret = sr_config_set(sdi, cg, src.key, src.data);
2be182e6 BV	434	if (ret != SR_OK) {
	435	g_critical("Failed to set device option '%s'.", (char *)key);
	436	return ret;
	437	}
	438	}
	439
	440	return SR_OK;
	441	}
	442
	443	void run_session(void)
	444	{
	445	GSList *devices;
	446	GHashTable *devargs;
	447	GVariant *gvar;
	448	struct sr_dev_inst *sdi;
02c65935	449	uint64_t min_samples, max_samples;
2be182e6 BV	450
	451	devices = device_scan();
	452	if (!devices) {
	453	g_critical("No devices found.");
	454	return;
	455	}
	456	if (g_slist_length(devices) > 1) {
	457	g_critical("sigrok-cli only supports one device for capturing.");
	458	return;
	459	}
	460	sdi = devices->data;
	461
	462	sr_session_new();
	463	sr_session_datafeed_callback_add(datafeed_in, NULL);
	464
	465	if (sr_dev_open(sdi) != SR_OK) {
	466	g_critical("Failed to open device.");
	467	return;
	468	}
	469
	470	if (sr_session_dev_add(sdi) != SR_OK) {
	471	g_critical("Failed to add device to session.");
	472	sr_session_destroy();
	473	return;
	474	}
	475
	476	if (opt_config) {
	477	if ((devargs = parse_generic_arg(opt_config, FALSE))) {
	478	if (set_dev_options(sdi, devargs) != SR_OK)
	479	return;
	480	g_hash_table_destroy(devargs);
	481	}
	482	}
	483
029d73fe UH	484	if (select_channels(sdi) != SR_OK) {
029d73fe UH	485	g_critical("Failed to set channels.");
2be182e6 BV	486	sr_session_destroy();
	487	return;
	488	}
	489
	490	if (opt_triggers) {
6b27bde4	491	if (!parse_triggerstring(sdi, opt_triggers)) {
2be182e6 BV	492	sr_session_destroy();
	493	return;
	494	}
2be182e6 BV	495	}
	496
	497	if (opt_continuous) {
	498	if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
	499	g_critical("This device does not support continuous sampling.");
	500	sr_session_destroy();
	501	return;
	502	}
	503	}
	504
	505	if (opt_time) {
	506	if (set_limit_time(sdi) != SR_OK) {
	507	sr_session_destroy();
	508	return;
	509	}
	510	}
	511
	512	if (opt_samples) {
	513	if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) {
	514	g_critical("Invalid sample limit '%s'.", opt_samples);
	515	sr_session_destroy();
	516	return;
	517	}
02c65935 BV	518	if (sr_config_list(sdi->driver, sdi, NULL,
02c65935 BV	519	SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK) {
c7a5cb12 BV	520	/* The device has no compression, or compression is turned
c7a5cb12 BV	521	* off, and publishes its sample memory size. */
02c65935	522	g_variant_get(gvar, "(tt)", &min_samples, &max_samples);
be781321	523	g_variant_unref(gvar);
02c65935 BV	524	if (limit_samples < min_samples) {
	525	g_critical("The device stores at least %"PRIu64
	526	" samples with the current settings.", min_samples);
	527	}
c7a5cb12 BV	528	if (limit_samples > max_samples) {
	529	g_critical("The device can store only %"PRIu64
	530	" samples with the current settings.", max_samples);
	531	}
	532	}
2be182e6 BV	533	gvar = g_variant_new_uint64(limit_samples);
	534	if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
	535	g_critical("Failed to configure sample limit.");
	536	sr_session_destroy();
	537	return;
	538	}
	539	}
	540
	541	if (opt_frames) {
	542	if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
	543	g_critical("Invalid sample limit '%s'.", opt_samples);
	544	sr_session_destroy();
	545	return;
	546	}
	547	gvar = g_variant_new_uint64(limit_frames);
	548	if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
	549	g_critical("Failed to configure frame limit.");
	550	sr_session_destroy();
	551	return;
	552	}
	553	}
	554
	555	if (sr_session_start() != SR_OK) {
	556	g_critical("Failed to start session.");
	557	sr_session_destroy();
	558	return;
	559	}
	560
	561	if (opt_continuous)
	562	add_anykey();
	563
	564	sr_session_run();
	565
	566	if (opt_continuous)
	567	clear_anykey();
	568
	569	sr_session_datafeed_callback_remove_all();
	570	sr_session_destroy();
	571	g_slist_free(devices);
	572
	573	}
	574
6ea663a7 BV	575	void save_chunk_logic(uint8_t *data, uint64_t data_len, int unitsize)
	576	{
	577	static uint8_t *buf = NULL;
	578	static int buf_len = 0;
	579	static int last_unitsize = 0;
	580	int max;
	581
	582	if (!buf)
	583	buf = g_malloc(SAVE_CHUNK_SIZE);
	584
	585	if (buf_len + data_len > SAVE_CHUNK_SIZE) {
	586	max = (SAVE_CHUNK_SIZE - buf_len) / unitsize * unitsize;
	587	memcpy(buf + buf_len, data, max);
	588	sr_session_append(opt_output_file, buf, unitsize,
	589	(buf_len + max) / unitsize);
	590	memcpy(buf, data + max, data_len - max);
	591	buf_len = data_len - max;
efe1b57d	592	} else if (data_len == 0 && last_unitsize != 0) {
6ea663a7 BV	593	/* End of data, flush the buffer out. */
	594	sr_session_append(opt_output_file, buf, last_unitsize,
	595	buf_len / last_unitsize);
	596	} else {
	597	/* Buffer chunk. */
	598	memcpy(buf + buf_len, data, data_len);
	599	buf_len += data_len;
	600	}
	601	last_unitsize = unitsize;
	602
	603	}