[libsigrok.git] / src / output / analog.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012 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 <string.h>
#include <math.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"

#define LOG_PREFIX "output/analog"

struct context {
	int num_enabled_channels;
	GPtrArray *channellist;
	int digits;
};

enum {
	DIGITS_ALL,
	DIGITS_SPEC,
};

static int init(struct sr_output *o, GHashTable *options)
{
	struct context *ctx;
	struct sr_channel *ch;
	GSList *l;
	const char *s;

	if (!o || !o->sdi)
		return SR_ERR_ARG;

	o->priv = ctx = g_malloc0(sizeof(struct context));
	s = g_variant_get_string(g_hash_table_lookup(options, "digits"), NULL);
	if (!strcmp(s, "all"))
		ctx->digits = DIGITS_ALL;
	else
		ctx->digits = DIGITS_SPEC;

	/* Get the number of channels and their names. */
	ctx->channellist = g_ptr_array_new();
	for (l = o->sdi->channels; l; l = l->next) {
		ch = l->data;
		if (!ch || !ch->enabled)
			continue;
		g_ptr_array_add(ctx->channellist, ch->name);
		ctx->num_enabled_channels++;
	}

	return SR_OK;
}

static void si_printf(float value, GString *out, char *unitstr)
{
	float v;

	if (signbit(value))
		v = -(value);
	else
		v = value;

	if (v < 1e-12 || v > 1e+12)
		g_string_append_printf(out, "%f %s", value, unitstr);
	else if (v > 1e+9)
		g_string_append_printf(out, "%f G%s", value / 1e+9, unitstr);
	else if (v > 1e+6)
		g_string_append_printf(out, "%f M%s", value / 1e+6, unitstr);
	else if (v > 1e+3)
		g_string_append_printf(out, "%f k%s", value / 1e+3, unitstr);
	else if (v < 1e-9)
		g_string_append_printf(out, "%f n%s", value * 1e+9, unitstr);
	else if (v < 1e-6)
		g_string_append_printf(out, "%f u%s", value * 1e+6, unitstr);
	else if (v < 1e-3)
		g_string_append_printf(out, "%f m%s", value * 1e+3, unitstr);
	else
		g_string_append_printf(out, "%f %s", value, unitstr);

}

/* Please use the same order as in enum sr_unit (libsigrok.h). */
static void fancyprint(int unit, int mqflags, float value, GString *out)
{
	switch (unit) {
	case SR_UNIT_VOLT:
		si_printf(value, out, "V");
		break;
	case SR_UNIT_AMPERE:
		si_printf(value, out, "A");
		break;
	case SR_UNIT_OHM:
		si_printf(value, out, "");
		g_string_append_unichar(out, 0x2126);
		break;
	case SR_UNIT_FARAD:
		si_printf(value, out, "F");
		break;
	case SR_UNIT_KELVIN:
		si_printf(value, out, "K");
		break;
	case SR_UNIT_CELSIUS:
		si_printf(value, out, "");
		g_string_append_unichar(out, 0x00b0);
		g_string_append_c(out, 'C');
		break;
	case SR_UNIT_FAHRENHEIT:
		si_printf(value, out, "");
		g_string_append_unichar(out, 0x00b0);
		g_string_append_c(out, 'F');
		break;
	case SR_UNIT_HERTZ:
		si_printf(value, out, "Hz");
		break;
	case SR_UNIT_PERCENTAGE:
		g_string_append_printf(out, "%f %%", value);
		break;
	case SR_UNIT_BOOLEAN:
		if (value > 0)
			g_string_append_printf(out, "TRUE");
		else
			g_string_append_printf(out, "FALSE");
		break;
	case SR_UNIT_SECOND:
		si_printf(value, out, "s");
		break;
	case SR_UNIT_SIEMENS:
		si_printf(value, out, "S");
		break;
	case SR_UNIT_DECIBEL_MW:
		si_printf(value, out, "dBu");
		break;
	case SR_UNIT_DECIBEL_VOLT:
		si_printf(value, out, "dBV");
		break;
	case SR_UNIT_UNITLESS:
		si_printf(value, out, "");
		break;
	case SR_UNIT_DECIBEL_SPL:
		if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A)
			si_printf(value, out, "dB(A)");
		else if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_C)
			si_printf(value, out, "dB(C)");
		else if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_Z)
			si_printf(value, out, "dB(Z)");
		else
			/* No frequency weighting, or non-standard "flat" */
			si_printf(value, out, "dB(SPL)");
		if (mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_S)
			g_string_append(out, " S");
		else if (mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_F)
			g_string_append(out, " F");
		if (mqflags & SR_MQFLAG_SPL_LAT)
			g_string_append(out, " LAT");
		else if (mqflags & SR_MQFLAG_SPL_PCT_OVER_ALARM)
			/* Not a standard function for SLMs, so this is
			 * a made-up notation. */
			g_string_append(out, " %oA");
		break;
	case SR_UNIT_CONCENTRATION:
		g_string_append_printf(out, "%f ppm", value * (1000 * 1000));
		break;
	case SR_UNIT_REVOLUTIONS_PER_MINUTE:
		si_printf(value, out, "RPM");
		break;
	case SR_UNIT_VOLT_AMPERE:
		si_printf(value, out, "VA");
		break;
	case SR_UNIT_WATT:
		si_printf(value, out, "W");
		break;
	case SR_UNIT_WATT_HOUR:
		si_printf(value, out, "Wh");
		break;
	case SR_UNIT_METER_SECOND:
		si_printf(value, out, "m/s");
		break;
	case SR_UNIT_HECTOPASCAL:
		si_printf(value, out, "hPa");
		break;
	case SR_UNIT_HUMIDITY_293K:
		si_printf(value, out, "%rF");
		break;
	case SR_UNIT_DEGREE:
		si_printf(value, out, "");
		g_string_append_unichar(out, 0x00b0);
		break;
	case SR_UNIT_HENRY:
		si_printf(value, out, "H");
		break;
	case SR_UNIT_GRAM:
		si_printf(value, out, "g");
		break;
	case SR_UNIT_CARAT:
		si_printf(value, out, "ct");
		break;
	case SR_UNIT_OUNCE:
		si_printf(value, out, "oz");
		break;
	case SR_UNIT_TROY_OUNCE:
		si_printf(value, out, "oz t");
		break;
	case SR_UNIT_POUND:
		si_printf(value, out, "lb");
		break;
	case SR_UNIT_PENNYWEIGHT:
		si_printf(value, out, "dwt");
		break;
	case SR_UNIT_GRAIN:
		si_printf(value, out, "gr");
		break;
	case SR_UNIT_TAEL:
		si_printf(value, out, "tael");
		break;
	case SR_UNIT_MOMME:
		si_printf(value, out, "momme");
		break;
	case SR_UNIT_TOLA:
		si_printf(value, out, "tola");
		break;
	case SR_UNIT_PIECE:
		si_printf(value, out, "pcs");
		break;
	default:
		si_printf(value, out, "");
		break;
	}

	/* Please use the same order as in enum sr_mqflag (libsigrok.h). */
	if (mqflags & SR_MQFLAG_AC)
		g_string_append_printf(out, " AC");
	if (mqflags & SR_MQFLAG_DC)
		g_string_append_printf(out, " DC");
	if (mqflags & SR_MQFLAG_RMS)
		g_string_append_printf(out, " RMS");
	if (mqflags & SR_MQFLAG_DIODE)
		g_string_append_printf(out, " DIODE");
	if (mqflags & SR_MQFLAG_HOLD)
		g_string_append_printf(out, " HOLD");
	if (mqflags & SR_MQFLAG_MAX)
		g_string_append_printf(out, " MAX");
	if (mqflags & SR_MQFLAG_MIN)
		g_string_append_printf(out, " MIN");
	if (mqflags & SR_MQFLAG_AUTORANGE)
		g_string_append_printf(out, " AUTO");
	if (mqflags & SR_MQFLAG_RELATIVE)
		g_string_append_printf(out, " REL");
	/* Note: SR_MQFLAG_SPL_* is handled above. */
	if (mqflags & SR_MQFLAG_DURATION)
		g_string_append_printf(out, " DURATION");
	if (mqflags & SR_MQFLAG_AVG)
		g_string_append_printf(out, " AVG");
	if (mqflags & SR_MQFLAG_REFERENCE)
		g_string_append_printf(out, " REF");
	if (mqflags & SR_MQFLAG_UNSTABLE)
		g_string_append_printf(out, " UNSTABLE");
	g_string_append_c(out, '\n');
}

static int receive(const struct sr_output *o, const struct sr_datafeed_packet *packet,
		GString **out)
{
	struct context *ctx;
	const struct sr_datafeed_analog *analog;
	const struct sr_datafeed_analog2 *analog2;
	struct sr_channel *ch;
	GSList *l;
	float *fdata;
	unsigned int i;
	int num_channels, c, ret, si, digits;
	char *number, *suffix;

	*out = NULL;
	if (!o || !o->sdi)
		return SR_ERR_ARG;
	ctx = o->priv;

	switch (packet->type) {
	case SR_DF_FRAME_BEGIN:
		*out = g_string_new("FRAME-BEGIN\n");
		break;
	case SR_DF_FRAME_END:
		*out = g_string_new("FRAME-END\n");
		break;
	case SR_DF_ANALOG:
		analog = packet->payload;
		fdata = (float *)analog->data;
		*out = g_string_sized_new(512);
		num_channels = g_slist_length(analog->channels);
		for (si = 0; si < analog->num_samples; si++) {
			for (l = analog->channels, c = 0; l; l = l->next, c++) {
				ch = l->data;
				g_string_append_printf(*out, "%s: ", ch->name);
				fancyprint(analog->unit, analog->mqflags,
						fdata[si * num_channels + c], *out);
			}
		}
		break;
	case SR_DF_ANALOG2:
		analog2 = packet->payload;
		if (!(fdata = g_try_malloc(analog2->num_samples * sizeof(float))))
			return SR_ERR_MALLOC;
		if ((ret = sr_analog_to_float(analog2, fdata)) != SR_OK)
			return ret;
		*out = g_string_sized_new(512);
		if (analog2->encoding->is_digits_decimal) {
			if (ctx->digits == DIGITS_ALL)
				digits = analog2->encoding->digits;
			else
				digits = analog2->spec->spec_digits;
		} else {
			/* TODO we don't know how to print by number of bits yet. */
			digits = 6;
		}
		sr_analog_unit_to_string(analog2, &suffix);
		num_channels = g_slist_length(analog2->meaning->channels);
		for (i = 0; i < analog2->num_samples; i++) {
			for (l = analog2->meaning->channels, c = 0; l; l = l->next, c++) {
				ch = l->data;
				g_string_append_printf(*out, "%s: ", ch->name);
				sr_analog_float_to_string(fdata[i * num_channels + c],
						digits, &number);
				g_string_append(*out, number);
				g_free(number);
				g_string_append(*out, " ");
				g_string_append(*out, suffix);
				g_string_append(*out, "\n");
			}
		}
		g_free(suffix);
		break;
	}

	return SR_OK;
}

static int cleanup(struct sr_output *o)
{
	struct context *ctx;

	if (!o || !o->sdi)
		return SR_ERR_ARG;
	ctx = o->priv;

	g_ptr_array_free(ctx->channellist, 1);
	g_free(ctx);
	o->priv = NULL;

	return SR_OK;
}

static struct sr_option options[] = {
	{ "digits", "Digits", "Digits to show", NULL, NULL },
	ALL_ZERO
};

static const struct sr_option *get_options(void)
{
	if (!options[0].def) {
		options[0].def = g_variant_ref_sink(g_variant_new_string("all"));
		options[0].values = g_slist_append(options[0].values,
				g_variant_ref_sink(g_variant_new_string("all")));
		options[0].values = g_slist_append(options[0].values,
				g_variant_ref_sink(g_variant_new_string("spec")));
	}

	return options;
}

SR_PRIV struct sr_output_module output_analog = {
	.id = "analog",
	.name = "Analog",
	.desc = "Analog data and types",
	.exts = NULL,
	.flags = 0,
	.options = get_options,
	.init = init,
	.receive = receive,
	.cleanup = cleanup
};
Commit	Line	Data
161a8a27	1	/*
50985c20	2	* This file is part of the libsigrok project.
161a8a27 BV	3	*
	4	* Copyright (C) 2012 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
6ec6c43b	20	#include <config.h>
161a8a27 BV	21	#include <stdlib.h>
161a8a27 BV	22	#include <string.h>
a944a84b	23	#include <math.h>
161a8a27	24	#include <glib.h>
c1aae900	25	#include <libsigrok/libsigrok.h>
161a8a27	26	#include "libsigrok-internal.h"
a944a84b	27
3544f848	28	#define LOG_PREFIX "output/analog"
161a8a27 BV	29
161a8a27 BV	30	struct context {
ba7dd8bb UH	31	int num_enabled_channels;
ba7dd8bb UH	32	GPtrArray *channellist;
820c48f8 BV	33	int digits;
	34	};
	35
	36	enum {
	37	DIGITS_ALL,
	38	DIGITS_SPEC,
161a8a27 BV	39	};
161a8a27 BV	40
a755b0e1	41	static int init(struct sr_output o, GHashTable options)
161a8a27 BV	42	{
161a8a27 BV	43	struct context *ctx;
ba7dd8bb	44	struct sr_channel *ch;
161a8a27	45	GSList *l;
820c48f8	46	const char *s;
a944a84b	47
161a8a27 BV	48	if (!o \|\| !o->sdi)
	49	return SR_ERR_ARG;
	50
91219afc	51	o->priv = ctx = g_malloc0(sizeof(struct context));
820c48f8 BV	52	s = g_variant_get_string(g_hash_table_lookup(options, "digits"), NULL);
	53	if (!strcmp(s, "all"))
	54	ctx->digits = DIGITS_ALL;
	55	else
	56	ctx->digits = DIGITS_SPEC;
161a8a27	57
ba7dd8bb UH	58	/* Get the number of channels and their names. */
	59	ctx->channellist = g_ptr_array_new();
	60	for (l = o->sdi->channels; l; l = l->next) {
	61	ch = l->data;
	62	if (!ch \|\| !ch->enabled)
161a8a27	63	continue;
ba7dd8bb UH	64	g_ptr_array_add(ctx->channellist, ch->name);
ba7dd8bb UH	65	ctx->num_enabled_channels++;
161a8a27 BV	66	}
161a8a27 BV	67
161a8a27 BV	68	return SR_OK;
	69	}
	70
	71	static void si_printf(float value, GString out, char unitstr)
	72	{
d713e561	73	float v;
161a8a27	74
d713e561 BV	75	if (signbit(value))
	76	v = -(value);
	77	else
	78	v = value;
	79
	80	if (v < 1e-12 \|\| v > 1e+12)
	81	g_string_append_printf(out, "%f %s", value, unitstr);
	82	else if (v > 1e+9)
	83	g_string_append_printf(out, "%f G%s", value / 1e+9, unitstr);
	84	else if (v > 1e+6)
	85	g_string_append_printf(out, "%f M%s", value / 1e+6, unitstr);
	86	else if (v > 1e+3)
	87	g_string_append_printf(out, "%f k%s", value / 1e+3, unitstr);
	88	else if (v < 1e-9)
	89	g_string_append_printf(out, "%f n%s", value * 1e+9, unitstr);
	90	else if (v < 1e-6)
	91	g_string_append_printf(out, "%f u%s", value * 1e+6, unitstr);
	92	else if (v < 1e-3)
	93	g_string_append_printf(out, "%f m%s", value * 1e+3, unitstr);
161a8a27 BV	94	else
	95	g_string_append_printf(out, "%f %s", value, unitstr);
	96
	97	}
	98
ca7dbb56	99	/* Please use the same order as in enum sr_unit (libsigrok.h). */
161a8a27 BV	100	static void fancyprint(int unit, int mqflags, float value, GString *out)
161a8a27 BV	101	{
161a8a27	102	switch (unit) {
06c45a66 UH	103	case SR_UNIT_VOLT:
	104	si_printf(value, out, "V");
	105	break;
	106	case SR_UNIT_AMPERE:
	107	si_printf(value, out, "A");
	108	break;
	109	case SR_UNIT_OHM:
	110	si_printf(value, out, "");
	111	g_string_append_unichar(out, 0x2126);
	112	break;
	113	case SR_UNIT_FARAD:
	114	si_printf(value, out, "F");
	115	break;
	116	case SR_UNIT_KELVIN:
	117	si_printf(value, out, "K");
	118	break;
	119	case SR_UNIT_CELSIUS:
	120	si_printf(value, out, "");
	121	g_string_append_unichar(out, 0x00b0);
	122	g_string_append_c(out, 'C');
	123	break;
	124	case SR_UNIT_FAHRENHEIT:
	125	si_printf(value, out, "");
	126	g_string_append_unichar(out, 0x00b0);
	127	g_string_append_c(out, 'F');
	128	break;
	129	case SR_UNIT_HERTZ:
	130	si_printf(value, out, "Hz");
	131	break;
	132	case SR_UNIT_PERCENTAGE:
641d8f27	133	g_string_append_printf(out, "%f %%", value);
06c45a66 UH	134	break;
	135	case SR_UNIT_BOOLEAN:
	136	if (value > 0)
	137	g_string_append_printf(out, "TRUE");
	138	else
	139	g_string_append_printf(out, "FALSE");
	140	break;
	141	case SR_UNIT_SECOND:
	142	si_printf(value, out, "s");
	143	break;
	144	case SR_UNIT_SIEMENS:
	145	si_printf(value, out, "S");
	146	break;
	147	case SR_UNIT_DECIBEL_MW:
	148	si_printf(value, out, "dBu");
	149	break;
	150	case SR_UNIT_DECIBEL_VOLT:
	151	si_printf(value, out, "dBV");
	152	break;
c984f2f9 UH	153	case SR_UNIT_UNITLESS:
	154	si_printf(value, out, "");
	155	break;
06c45a66 UH	156	case SR_UNIT_DECIBEL_SPL:
	157	if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A)
	158	si_printf(value, out, "dB(A)");
	159	else if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_C)
	160	si_printf(value, out, "dB(C)");
	161	else if (mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_Z)
	162	si_printf(value, out, "dB(Z)");
	163	else
	164	/* No frequency weighting, or non-standard "flat" */
	165	si_printf(value, out, "dB(SPL)");
	166	if (mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_S)
	167	g_string_append(out, " S");
	168	else if (mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_F)
	169	g_string_append(out, " F");
	170	if (mqflags & SR_MQFLAG_SPL_LAT)
	171	g_string_append(out, " LAT");
	172	else if (mqflags & SR_MQFLAG_SPL_PCT_OVER_ALARM)
	173	/* Not a standard function for SLMs, so this is
	174	* a made-up notation. */
	175	g_string_append(out, " %oA");
	176	break;
	177	case SR_UNIT_CONCENTRATION:
1a46cc62	178	g_string_append_printf(out, "%f ppm", value * (1000 * 1000));
06c45a66	179	break;
87532f23 AJ	180	case SR_UNIT_REVOLUTIONS_PER_MINUTE:
87532f23 AJ	181	si_printf(value, out, "RPM");
d69d2642	182	break;
45315d04 AJ	183	case SR_UNIT_VOLT_AMPERE:
	184	si_printf(value, out, "VA");
	185	break;
	186	case SR_UNIT_WATT:
	187	si_printf(value, out, "W");
	188	break;
	189	case SR_UNIT_WATT_HOUR:
	190	si_printf(value, out, "Wh");
87532f23	191	break;
543d041d BV	192	case SR_UNIT_METER_SECOND:
	193	si_printf(value, out, "m/s");
	194	break;
	195	case SR_UNIT_HECTOPASCAL:
	196	si_printf(value, out, "hPa");
	197	break;
	198	case SR_UNIT_HUMIDITY_293K:
	199	si_printf(value, out, "%rF");
	200	break;
02c7c482 JH	201	case SR_UNIT_DEGREE:
	202	si_printf(value, out, "");
	203	g_string_append_unichar(out, 0x00b0);
	204	break;
c984f2f9 UH	205	case SR_UNIT_HENRY:
	206	si_printf(value, out, "H");
	207	break;
34eaf4bc UH	208	case SR_UNIT_GRAM:
	209	si_printf(value, out, "g");
	210	break;
	211	case SR_UNIT_CARAT:
	212	si_printf(value, out, "ct");
	213	break;
	214	case SR_UNIT_OUNCE:
	215	si_printf(value, out, "oz");
	216	break;
	217	case SR_UNIT_TROY_OUNCE:
	218	si_printf(value, out, "oz t");
	219	break;
	220	case SR_UNIT_POUND:
	221	si_printf(value, out, "lb");
	222	break;
	223	case SR_UNIT_PENNYWEIGHT:
	224	si_printf(value, out, "dwt");
	225	break;
	226	case SR_UNIT_GRAIN:
	227	si_printf(value, out, "gr");
	228	break;
	229	case SR_UNIT_TAEL:
	230	si_printf(value, out, "tael");
	231	break;
	232	case SR_UNIT_MOMME:
	233	si_printf(value, out, "momme");
	234	break;
	235	case SR_UNIT_TOLA:
	236	si_printf(value, out, "tola");
	237	break;
	238	case SR_UNIT_PIECE:
	239	si_printf(value, out, "pcs");
	240	break;
06c45a66 UH	241	default:
	242	si_printf(value, out, "");
	243	break;
161a8a27	244	}
e6523173	245
ca7dbb56	246	/* Please use the same order as in enum sr_mqflag (libsigrok.h). */
e6523173	247	if (mqflags & SR_MQFLAG_AC)
161a8a27	248	g_string_append_printf(out, " AC");
e6523173	249	if (mqflags & SR_MQFLAG_DC)
161a8a27	250	g_string_append_printf(out, " DC");
e6523173 UH	251	if (mqflags & SR_MQFLAG_RMS)
	252	g_string_append_printf(out, " RMS");
	253	if (mqflags & SR_MQFLAG_DIODE)
	254	g_string_append_printf(out, " DIODE");
	255	if (mqflags & SR_MQFLAG_HOLD)
	256	g_string_append_printf(out, " HOLD");
	257	if (mqflags & SR_MQFLAG_MAX)
	258	g_string_append_printf(out, " MAX");
	259	if (mqflags & SR_MQFLAG_MIN)
	260	g_string_append_printf(out, " MIN");
	261	if (mqflags & SR_MQFLAG_AUTORANGE)
	262	g_string_append_printf(out, " AUTO");
	263	if (mqflags & SR_MQFLAG_RELATIVE)
	264	g_string_append_printf(out, " REL");
c984f2f9 UH	265	/* Note: SR_MQFLAG_SPL_* is handled above. */
	266	if (mqflags & SR_MQFLAG_DURATION)
	267	g_string_append_printf(out, " DURATION");
f5027ca4 AJ	268	if (mqflags & SR_MQFLAG_AVG)
f5027ca4 AJ	269	g_string_append_printf(out, " AVG");
02c7c482 JH	270	if (mqflags & SR_MQFLAG_REFERENCE)
02c7c482 JH	271	g_string_append_printf(out, " REF");
34eaf4bc UH	272	if (mqflags & SR_MQFLAG_UNSTABLE)
34eaf4bc UH	273	g_string_append_printf(out, " UNSTABLE");
161a8a27	274	g_string_append_c(out, '\n');
161a8a27 BV	275	}
161a8a27 BV	276
a755b0e1	277	static int receive(const struct sr_output o, const struct sr_datafeed_packet packet,
dba3e682	278	GString **out)
161a8a27	279	{
820c48f8	280	struct context *ctx;
69e19dd7	281	const struct sr_datafeed_analog *analog;
e02e9e6a	282	const struct sr_datafeed_analog2 *analog2;
ba7dd8bb	283	struct sr_channel *ch;
69e19dd7	284	GSList *l;
e02e9e6a BV	285	float *fdata;
e02e9e6a BV	286	unsigned int i;
820c48f8	287	int num_channels, c, ret, si, digits;
a24da9a8	288	char number, suffix;
161a8a27	289
17f63de6	290	*out = NULL;
161a8a27	291	if (!o \|\| !o->sdi)
17f63de6	292	return SR_ERR_ARG;
820c48f8	293	ctx = o->priv;
161a8a27	294
161a8a27	295	switch (packet->type) {
161a8a27	296	case SR_DF_FRAME_BEGIN:
17f63de6	297	*out = g_string_new("FRAME-BEGIN\n");
161a8a27 BV	298	break;
161a8a27 BV	299	case SR_DF_FRAME_END:
17f63de6	300	*out = g_string_new("FRAME-END\n");
161a8a27 BV	301	break;
	302	case SR_DF_ANALOG:
	303	analog = packet->payload;
e02e9e6a	304	fdata = (float *)analog->data;
17f63de6	305	*out = g_string_sized_new(512);
6e6babb9	306	num_channels = g_slist_length(analog->channels);
e02e9e6a	307	for (si = 0; si < analog->num_samples; si++) {
6e6babb9	308	for (l = analog->channels, c = 0; l; l = l->next, c++) {
ba7dd8bb UH	309	ch = l->data;
ba7dd8bb UH	310	g_string_append_printf(*out, "%s: ", ch->name);
161a8a27	311	fancyprint(analog->unit, analog->mqflags,
e02e9e6a BV	312	fdata[si * num_channels + c], *out);
	313	}
	314	}
	315	break;
	316	case SR_DF_ANALOG2:
	317	analog2 = packet->payload;
	318	if (!(fdata = g_try_malloc(analog2->num_samples * sizeof(float))))
	319	return SR_ERR_MALLOC;
	320	if ((ret = sr_analog_to_float(analog2, fdata)) != SR_OK)
	321	return ret;
	322	*out = g_string_sized_new(512);
820c48f8 BV	323	if (analog2->encoding->is_digits_decimal) {
	324	if (ctx->digits == DIGITS_ALL)
	325	digits = analog2->encoding->digits;
	326	else
	327	digits = analog2->spec->spec_digits;
	328	} else {
	329	/* TODO we don't know how to print by number of bits yet. */
	330	digits = 6;
	331	}
a24da9a8	332	sr_analog_unit_to_string(analog2, &suffix);
e02e9e6a BV	333	num_channels = g_slist_length(analog2->meaning->channels);
	334	for (i = 0; i < analog2->num_samples; i++) {
	335	for (l = analog2->meaning->channels, c = 0; l; l = l->next, c++) {
	336	ch = l->data;
	337	g_string_append_printf(*out, "%s: ", ch->name);
820c48f8	338	sr_analog_float_to_string(fdata[i * num_channels + c],
a24da9a8	339	digits, &number);
820c48f8	340	g_string_append(*out, number);
a24da9a8	341	g_free(number);
820c48f8 BV	342	g_string_append(*out, " ");
	343	g_string_append(*out, suffix);
	344	g_string_append(*out, "\n");
161a8a27 BV	345	}
161a8a27 BV	346	}
a24da9a8	347	g_free(suffix);
161a8a27 BV	348	break;
	349	}
	350
17f63de6	351	return SR_OK;
161a8a27 BV	352	}
	353
	354	static int cleanup(struct sr_output *o)
	355	{
	356	struct context *ctx;
	357
	358	if (!o \|\| !o->sdi)
	359	return SR_ERR_ARG;
d686c5ec	360	ctx = o->priv;
161a8a27	361
ba7dd8bb	362	g_ptr_array_free(ctx->channellist, 1);
161a8a27	363	g_free(ctx);
d686c5ec	364	o->priv = NULL;
161a8a27 BV	365
	366	return SR_OK;
	367	}
	368
820c48f8 BV	369	static struct sr_option options[] = {
	370	{ "digits", "Digits", "Digits to show", NULL, NULL },
	371	ALL_ZERO
	372	};
	373
	374	static const struct sr_option *get_options(void)
	375	{
	376	if (!options[0].def) {
	377	options[0].def = g_variant_ref_sink(g_variant_new_string("all"));
	378	options[0].values = g_slist_append(options[0].values,
	379	g_variant_ref_sink(g_variant_new_string("all")));
	380	options[0].values = g_slist_append(options[0].values,
	381	g_variant_ref_sink(g_variant_new_string("spec")));
	382	}
	383
	384	return options;
	385	}
	386
a755b0e1	387	SR_PRIV struct sr_output_module output_analog = {
161a8a27	388	.id = "analog",
a755b0e1 BV	389	.name = "Analog",
a755b0e1 BV	390	.desc = "Analog data and types",
8a174d23	391	.exts = NULL,
3cd4b381	392	.flags = 0,
820c48f8	393	.options = get_options,
161a8a27	394	.init = init,
17f63de6	395	.receive = receive,
161a8a27 BV	396	.cleanup = cleanup
161a8a27 BV	397	};