mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-09 00:00:00 +01:00
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/** Signal data.
|
|
*
|
|
* @file
|
|
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
|
|
* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
|
|
* @license GNU General Public License (version 3)
|
|
*
|
|
* VILLASnode
|
|
*
|
|
* 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
|
|
* 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/>.
|
|
*********************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <jansson.h>
|
|
|
|
#include <limits>
|
|
#include <complex>
|
|
|
|
#include <cstdint>
|
|
|
|
/** A signal value.
|
|
*
|
|
* Data is in host endianess!
|
|
*/
|
|
union signal_data {
|
|
double f; /**< Floating point values. */
|
|
int64_t i; /**< Integer values. */
|
|
bool b; /**< Boolean values. */
|
|
std::complex<float> z; /**< Complex values. */
|
|
|
|
signal_data() :
|
|
i(0)
|
|
{ }
|
|
|
|
static union signal_data nan()
|
|
{
|
|
union signal_data d;
|
|
|
|
d.f = std::numeric_limits<double>::quiet_NaN();
|
|
|
|
return d;
|
|
}
|
|
|
|
bool is_nan()
|
|
{
|
|
return f == std::numeric_limits<double>::quiet_NaN();
|
|
}
|
|
};
|
|
|
|
/** Convert signal data from one description/format to another. */
|
|
void signal_data_cast(union signal_data *data, enum SignalType from, enum SignalType to);
|
|
|
|
/** Print value of a signal to a character buffer. */
|
|
int signal_data_print_str(const union signal_data *data, enum SignalType type, char *buf, size_t len);
|
|
|
|
int signal_data_parse_str(union signal_data *data, enum SignalType type, const char *ptr, char **end);
|
|
|
|
int signal_data_parse_json(union signal_data *data, enum SignalType type, json_t *cfg);
|
|
|
|
json_t * signal_data_to_json(union signal_data *data, enum SignalType type);
|
|
|
|
void signal_data_set(union signal_data *data, enum SignalType type, double val);
|