2012-09-08 11:24:48 +00:00
|
|
|
/*
|
2013-04-23 20:24:30 +00:00
|
|
|
* This file is part of the libsigrok project.
|
2012-09-08 11:24:48 +00:00
|
|
|
*
|
|
|
|
* 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 <stdlib.h>
|
|
|
|
#include <string.h>
|
2012-11-11 08:36:21 +00:00
|
|
|
#include <math.h>
|
2012-09-08 11:24:48 +00:00
|
|
|
#include <glib.h>
|
|
|
|
#include "libsigrok.h"
|
|
|
|
#include "libsigrok-internal.h"
|
2012-11-11 08:36:21 +00:00
|
|
|
|
2013-12-23 03:38:35 +00:00
|
|
|
#define LOG_PREFIX "output/analog"
|
2012-09-08 11:24:48 +00:00
|
|
|
|
|
|
|
struct context {
|
2014-03-24 20:34:20 +00:00
|
|
|
int num_enabled_channels;
|
|
|
|
GPtrArray *channellist;
|
2012-09-08 11:24:48 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static int init(struct sr_output *o)
|
|
|
|
{
|
|
|
|
struct context *ctx;
|
2014-03-24 20:34:20 +00:00
|
|
|
struct sr_channel *ch;
|
2012-09-08 11:24:48 +00:00
|
|
|
GSList *l;
|
|
|
|
|
2012-11-11 08:36:21 +00:00
|
|
|
sr_spew("Initializing output module.");
|
|
|
|
|
2012-09-08 11:24:48 +00:00
|
|
|
if (!o || !o->sdi)
|
|
|
|
return SR_ERR_ARG;
|
|
|
|
|
2012-10-30 19:20:22 +00:00
|
|
|
if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
|
2012-11-11 08:36:21 +00:00
|
|
|
sr_err("Output module context malloc failed.");
|
2012-09-08 11:24:48 +00:00
|
|
|
return SR_ERR_MALLOC;
|
2012-10-30 19:20:22 +00:00
|
|
|
}
|
2012-09-08 11:24:48 +00:00
|
|
|
o->internal = ctx;
|
|
|
|
|
2014-03-24 20:34:20 +00:00
|
|
|
/* 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)
|
2012-09-08 11:24:48 +00:00
|
|
|
continue;
|
2014-03-24 20:34:20 +00:00
|
|
|
g_ptr_array_add(ctx->channellist, ch->name);
|
|
|
|
ctx->num_enabled_channels++;
|
2012-09-08 11:24:48 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return SR_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void si_printf(float value, GString *out, char *unitstr)
|
|
|
|
{
|
2012-10-16 12:03:40 +00:00
|
|
|
float v;
|
2012-09-08 11:24:48 +00:00
|
|
|
|
2012-10-16 12:03:40 +00:00
|
|
|
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);
|
2012-09-08 11:24:48 +00:00
|
|
|
else
|
|
|
|
g_string_append_printf(out, "%f %s", value, unitstr);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
static void fancyprint(int unit, int mqflags, float value, GString *out)
|
|
|
|
{
|
|
|
|
switch (unit) {
|
2013-05-03 12:03:49 +00:00
|
|
|
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:
|
2014-01-01 16:38:05 +00:00
|
|
|
g_string_append_printf(out, "%f %%", value);
|
2013-05-03 12:03:49 +00:00
|
|
|
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_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 * 1000000);
|
|
|
|
break;
|
2013-10-03 19:37:14 +00:00
|
|
|
case SR_UNIT_REVOLUTIONS_PER_MINUTE:
|
|
|
|
si_printf(value, out, "RPM");
|
2013-11-03 23:18:47 +00:00
|
|
|
break;
|
2013-10-10 20:28:35 +00:00
|
|
|
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");
|
2013-10-03 19:37:14 +00:00
|
|
|
break;
|
2014-07-05 19:47:21 +00:00
|
|
|
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;
|
2013-05-03 12:03:49 +00:00
|
|
|
default:
|
|
|
|
si_printf(value, out, "");
|
|
|
|
break;
|
2012-09-08 11:24:48 +00:00
|
|
|
}
|
2013-08-30 06:57:09 +00:00
|
|
|
|
|
|
|
if (mqflags & SR_MQFLAG_AC)
|
2012-09-08 11:24:48 +00:00
|
|
|
g_string_append_printf(out, " AC");
|
2013-08-30 06:57:09 +00:00
|
|
|
if (mqflags & SR_MQFLAG_DC)
|
2012-09-08 11:24:48 +00:00
|
|
|
g_string_append_printf(out, " DC");
|
2013-08-30 06:57:09 +00:00
|
|
|
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");
|
2013-12-11 23:18:00 +00:00
|
|
|
if (mqflags & SR_MQFLAG_AVG)
|
|
|
|
g_string_append_printf(out, " AVG");
|
2012-09-08 11:24:48 +00:00
|
|
|
g_string_append_c(out, '\n');
|
|
|
|
}
|
|
|
|
|
2014-04-20 20:51:09 +00:00
|
|
|
static int receive(struct sr_output *o, const struct sr_datafeed_packet *packet,
|
|
|
|
GString **out)
|
2012-09-08 11:24:48 +00:00
|
|
|
{
|
2013-01-23 02:40:44 +00:00
|
|
|
const struct sr_datafeed_analog *analog;
|
2014-03-24 20:34:20 +00:00
|
|
|
struct sr_channel *ch;
|
2013-01-23 02:40:44 +00:00
|
|
|
GSList *l;
|
2012-12-13 21:07:53 +00:00
|
|
|
const float *fdata;
|
2013-01-23 02:40:44 +00:00
|
|
|
int i, p;
|
2012-09-08 11:24:48 +00:00
|
|
|
|
2013-04-27 15:29:46 +00:00
|
|
|
*out = NULL;
|
2012-09-08 11:24:48 +00:00
|
|
|
if (!o || !o->sdi)
|
2013-04-27 15:29:46 +00:00
|
|
|
return SR_ERR_ARG;
|
2012-09-08 11:24:48 +00:00
|
|
|
|
|
|
|
switch (packet->type) {
|
|
|
|
case SR_DF_FRAME_BEGIN:
|
2013-04-27 15:29:46 +00:00
|
|
|
*out = g_string_new("FRAME-BEGIN\n");
|
2012-09-08 11:24:48 +00:00
|
|
|
break;
|
|
|
|
case SR_DF_FRAME_END:
|
2013-04-27 15:29:46 +00:00
|
|
|
*out = g_string_new("FRAME-END\n");
|
2012-09-08 11:24:48 +00:00
|
|
|
break;
|
|
|
|
case SR_DF_ANALOG:
|
|
|
|
analog = packet->payload;
|
2012-12-13 21:07:53 +00:00
|
|
|
fdata = (const float *)analog->data;
|
2013-04-27 15:29:46 +00:00
|
|
|
*out = g_string_sized_new(512);
|
2012-09-08 11:24:48 +00:00
|
|
|
for (i = 0; i < analog->num_samples; i++) {
|
2014-03-24 20:34:20 +00:00
|
|
|
for (l = analog->channels, p = 0; l; l = l->next, p++) {
|
|
|
|
ch = l->data;
|
|
|
|
g_string_append_printf(*out, "%s: ", ch->name);
|
2012-09-08 11:24:48 +00:00
|
|
|
fancyprint(analog->unit, analog->mqflags,
|
2013-04-27 15:29:46 +00:00
|
|
|
fdata[i + p], *out);
|
2012-09-08 11:24:48 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2013-04-27 15:29:46 +00:00
|
|
|
return SR_OK;
|
2012-09-08 11:24:48 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int cleanup(struct sr_output *o)
|
|
|
|
{
|
|
|
|
struct context *ctx;
|
|
|
|
|
|
|
|
if (!o || !o->sdi)
|
|
|
|
return SR_ERR_ARG;
|
|
|
|
ctx = o->internal;
|
|
|
|
|
2014-03-24 20:34:20 +00:00
|
|
|
g_ptr_array_free(ctx->channellist, 1);
|
2012-09-08 11:24:48 +00:00
|
|
|
g_free(ctx);
|
|
|
|
o->internal = NULL;
|
|
|
|
|
|
|
|
return SR_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
SR_PRIV struct sr_output_format output_analog = {
|
|
|
|
.id = "analog",
|
|
|
|
.description = "Analog data",
|
|
|
|
.init = init,
|
2013-04-27 15:29:46 +00:00
|
|
|
.receive = receive,
|
2012-09-08 11:24:48 +00:00
|
|
|
.cleanup = cleanup
|
|
|
|
};
|