#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <zmq.h>
#include "log.h"
#include "rl.h"
#include "rl_file.h"
#include "sensor/sensor.h"
#include "util.h"
#include "rl_socket.h"

Include dependency graph for rl_socket.c:

Macros
#define	RL_SOCKET_METADATA_SIZE 1000

Functions
int	rl_socket_init (void)

int	rl_socket_deinit (void)

int	rl_socket_metadata (rl_config_t const *const config)

int	rl_socket_handle_data (int32_t const analog_buffer, uint32_t const digital_buffer, int32_t const ambient_buffer, size_t buffer_size, size_t ambient_buffer_size, rl_timestamp_t const const timestamp_realtime, rl_timestamp_t const const timestamp_monotonic, rl_config_t const const config)

Variables
char	metadata_json [RL_SOCKET_METADATA_SIZE]
	data socket metadata in JSON format

void *	zmq_data_context = NULL
	the ZeroMQ context for data publishing

void *	zmq_data_socket = NULL
	the ZeroMQ data socket

Macro Definition Documentation

◆ RL_SOCKET_METADATA_SIZE

#define RL_SOCKET_METADATA_SIZE 1000

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition at line 47 of file rl_socket.c.

Referenced by rl_socket_metadata().

Function Documentation

◆ rl_socket_deinit()

int rl_socket_deinit ( void )

Deinitialize the data streaming socket.

Returns: Returns 0 on success, negative on failure with errno set accordingly

Definition at line 71 of file rl_socket.c.

References SUCCESS, zmq_data_context, and zmq_data_socket.

Referenced by rl_run().

◆ rl_socket_handle_data()

int rl_socket_handle_data	(	int32_t const *	analog_buffer,
		uint32_t const *	digital_buffer,
		int32_t const *	ambient_buffer,
		size_t	buffer_size,
		size_t	ambient_buffer_size,
		rl_timestamp_t const *const	timestamp_realtime,
		rl_timestamp_t const *const	timestamp_monotonic,
		rl_config_t const *const	config )

Process the data buffer for publishing to data socket.

Parameters

analog_buffer	Analog data buffer to process
digital_buffer	Digital data buffer to process
ambient_buffer	Ambient sensor data buffer to process
buffer_size	Number of data samples in the buffer
ambient_buffer_size	Number of sensor samples in the buffer
timestamp_realtime	Timestamp sampled from realtime clock
timestamp_monotonic	Timestamp sampled from monotonic clock
config	Current measurement configuration

Returns: Returns 0 on success, negative on failure with errno set accordingly

Definition at line 157 of file rl_socket.c.

References rl_config::ambient_enable, rl_config::channel_enable, rl_config::digital_enable, ERROR, metadata_json, RL_CHANNEL_COUNT, RL_CONFIG_CHANNEL_I1L, RL_CONFIG_CHANNEL_I2L, rl_log(), RL_LOG_ERROR, rl_status::sensor_count, SUCCESS, and zmq_data_socket.

Referenced by pru_sample().

Here is the call graph for this function:

◆ rl_socket_init()

int rl_socket_init ( void )

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Initialize socket for data streaming.