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VILLASnode/include/villas/nodes/uldaq.hpp

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/* Node-type for uldaq connections.
*
* Author: Manuel Pitz <manuel.pitz@eonerc.rwth-aachen.de>
* 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 <pthread.h>
#include <villas/pool.hpp>
#include <villas/queue_signalled.h>
#include <uldaq.h>
#define ULDAQ_MAX_DEV_COUNT 100
#define ULDAQ_MAX_RANGE_COUNT 8
namespace villas {
namespace node {
struct uldaq {
const char *device_id;
DaqDeviceHandle device_handle;
DaqDeviceDescriptor *device_descriptor;
DaqDeviceInterface device_interface_type;
uint64_t sequence;
struct {
double sample_rate;
double *buffer;
size_t buffer_len;
size_t buffer_pos;
size_t channel_count;
ScanOption scan_options;
AInScanFlag flags;
AiQueueElement *queues;
ScanStatus status; // protected by mutex
TransferStatus transfer_status; // protected by mutex
pthread_mutex_t mutex;
pthread_cond_t cv;
} in;
struct {
// TODO
} out;
};
int uldaq_type_start(SuperNode *sn);
int uldaq_init(NodeCompat *n);
int uldaq_destroy(NodeCompat *n);
int uldaq_parse(NodeCompat *n, json_t *json);
char *uldaq_print(NodeCompat *n);
int uldaq_check(NodeCompat *n);
int uldaq_start(NodeCompat *n);
int uldaq_stop(NodeCompat *n);
int uldaq_read(NodeCompat *n, struct Sample *const smps[], unsigned cnt);
} // namespace node
} // namespace villas