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VILLASnode/include/villas/nodes/signal_old.hpp
Steffen Vogel 02a2aa4f94 Apply clang-format changes
Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
2023-09-08 11:37:42 +02:00

79 lines
2.2 KiB
C++

/* Node-type for signal generation.
*
* Author: Steffen Vogel <post@steffenvogel.de>
* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <villas/task.hpp>
#include <villas/timing.hpp>
namespace villas {
namespace node {
// Forward declarations
class NodeCompat;
struct Sample;
struct signal_node {
struct Task task; // Timer for periodic events.
int rt; // Real-time mode?
enum class SignalType {
RANDOM,
SINE,
SQUARE,
TRIANGLE,
RAMP,
COUNTER,
CONSTANT,
MIXED,
PULSE
} *
type; // Signal type
double rate; // Sampling rate.
double *frequency; // Frequency of the generated signals.
double *amplitude; // Amplitude of the generated signals.
double *stddev; // Standard deviation of random signals (normal distributed).
double *offset; // A constant bias.
double *
pulse_width; // Width of a pulse with respect to the rate (duration = pulse_width/rate)
double *pulse_low; // Amplitude when pulse signal is off
double *pulse_high; // Amplitude when pulse signal is on
double *phase; // Phase (rad) offset with respect to program start
int monitor_missed; // Boolean, if set, node counts missed steps and warns user.
double *
last; // The values from the previous period which are required for random walk.
unsigned values; // The number of values which will be emitted by this node.
int limit; // The number of values which should be generated by this node. <0 for infinitve.
struct timespec started; // Point in time when this node was started.
unsigned counter; // The number of packets already emitted.
unsigned missed_steps; // Total number of missed steps.
};
char *signal_node_print(NodeCompat *n);
int signal_node_parse(NodeCompat *n, json_t *json);
int signal_node_start(NodeCompat *n);
int signal_node_stop(NodeCompat *n);
int signal_node_init(NodeCompat *n);
int signal_node_destroy(NodeCompat *n);
int signal_node_prepare(NodeCompat *n);
int signal_node_read(NodeCompat *n, struct Sample *const smps[], unsigned cnt);
int signal_node_poll_fds(NodeCompat *n, int fds[]);
} // namespace node
} // namespace villas