mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
/** Node-type: CAN bus
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*
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* @file
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* @author Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
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* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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/**
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* @addtogroup can CAN bus Node Type
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* @ingroup node
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* @{
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*/
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#pragma once
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#include <jansson.h>
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#include <villas/timing.h>
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/* Forward declarations */
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struct vnode;
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union signal_data;
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struct can_signal {
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uint32_t id;
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int offset;
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int size;
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};
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struct can {
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/* Settings */
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char *interface_name;
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double *sample_rate;
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struct can_signal *in;
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struct can_signal *out;
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/* States */
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int socket;
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union signal_data *sample_buf;
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size_t sample_buf_num;
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struct timespec start_time;
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};
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/** @see node_type::init */
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int can_init(struct vnode *n);
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/** @see node_type::destroy */
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int can_destroy(struct vnode *n);
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/** @see node_type::parse */
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int can_parse(struct vnode *n, json_t *cfg);
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/** @see node_type::print */
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char * can_print(struct vnode *n);
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/** @see node_type::check */
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int can_check();
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/** @see node_type::prepare */
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int can_prepare();
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/** @see node_type::start */
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int can_start(struct vnode *n);
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/** @see node_type::stop */
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int can_stop(struct vnode *n);
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/** @see node_type::write */
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int can_write(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *release);
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/** @see node_type::read */
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int can_read(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *release);
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/** @see node_type::poll_fds */
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int can_poll_fds(struct vnode *n, int fds[]);
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/** @} */
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