#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "types.h"
#include "rl_file.h"
#include "log.h"
#include "util.h"
#include "sem.h"
#include "web.h"

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Macros
#define	VALID_MASK 0x1
	Mask for valid bit read from PRU. More...

#define	BINARY_MASK 0xE
	Mask for binary inputs read from PRU. More...

#define	H_L_SCALE 100
	Current high-low scale difference. More...

#define	CSV_LINE_LENGTH 200
	Max length of a CSV file line. More...

#define	CSV_VALUE_LENGTH 50
	Max length of a CSV value. More...

Functions
void	setup_lead_in (struct rl_file_lead_in lead_in, struct rl_conf conf)

void	setup_header (struct rl_file_header file_header, struct rl_conf conf)

void	store_header_bin (FILE data, struct rl_file_header file_header)

void	store_header_csv (FILE data, struct rl_file_header file_header)

void	update_header_bin (FILE data, struct rl_file_header file_header)

void	update_header_csv (FILE data, struct rl_file_header file_header)

void	handle_data_buffer (FILE data, void buffer_addr, uint32_t sample_size, uint32_t samples_buffer, struct rl_conf conf, int sem_id, struct web_shm web_data_ptr)

Macro Definition Documentation

#define BINARY_MASK 0xE

Mask for binary inputs read from PRU.

Definition at line 24 of file file_handling.h.

Referenced by handle_data_buffer().

#define CSV_LINE_LENGTH 200

Max length of a CSV file line.

Definition at line 30 of file file_handling.h.

Referenced by handle_data_buffer().

#define CSV_VALUE_LENGTH 50

Max length of a CSV value.

Definition at line 32 of file file_handling.h.

Referenced by handle_data_buffer().

#define H_L_SCALE 100

Current high-low scale difference.

Definition at line 27 of file file_handling.h.

Referenced by merge_currents().

#define VALID_MASK 0x1

Mask for valid bit read from PRU.

Definition at line 22 of file file_handling.h.

Referenced by handle_data_buffer().

Function Documentation

void handle_data_buffer	(	FILE *	data,
		void *	buffer_addr,
		uint32_t	sample_size,
		uint32_t	samples_buffer,
		struct rl_conf *	conf,
		int	sem_id,
		struct web_shm *	web_data_ptr
	)

Handle a data buffer, dependent on current configuration

Parameters

data	File pointer to data file
buffer_addr	Pointer to buffer to handle
sample_size	Size of samples to read
samples_buffer	Number of samples to read
conf	Current rl_conf configuration.
sem_id	ID of semaphores for shared web data
web_data_ptr	Pointer to shared web data

Definition at line 383 of file file_handling.c.

References BIN, BINARY_MASK, BUF100_INDEX, BUF10_INDEX, BUF1_INDEX, web_shm::buffer, BUFFER100_SIZE, BUFFER10_SIZE, BUFFER1_SIZE, buffer_add(), calibration, CHANNEL_ENABLED, rl_conf::channels, count_channels(), create_time_stamp(), CSV, CSV_LINE_LENGTH, CSV_VALUE_LENGTH, DATA_SEM, rl_conf::digital_inputs, DIGITAL_INPUTS_ENABLED, rl_conf::enable_web_server, rl_conf::file_format, I1L_INDEX, I2L_INDEX, merge_currents(), MIN_ADC_RATE, time_stamp::nsec, num_channels, web_shm::num_channels, NUM_CHANNELS, NUM_DIGITAL_INPUTS, NUM_I_CHANNELS, rl_calibration::offsets, PRU_DIG_SIZE, rl_log(), RL_RUNNING, rl_conf::sample_rate, rl_calibration::scales, time_stamp::sec, SEM_WRITE_TIME_OUT, set_sem(), rl_status::state, status, web_shm::time, TIME_OUT, rl_conf::update_rate, VALID_MASK, wait_sem(), WARNING, web_data, and WEB_RING_BUFFER_COUNT.

Referenced by pru_sample().

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void setup_header	(	struct rl_file_header *	file_header,
		struct rl_conf *	conf
	)

Set up file header with current configuration

Parameters

file_header	Pointer to rl_file_header to set up
conf	Pointer to current rl_conf struct

Definition at line 188 of file file_handling.c.

References rl_file_header::comment, RL_FILE_COMMENT, and setup_channels().

Referenced by pru_sample().

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void setup_lead_in	(	struct rl_file_lead_in *	lead_in,
		struct rl_conf *	conf
	)

Set up file header lead-in with current configuration

Parameters

lead_in	Pointer to rl_file_lead_in struct to set up
conf	Pointer to current rl_conf struct

Definition at line 67 of file file_handling.c.

References rl_file_lead_in::channel_bin_count, rl_file_lead_in::channel_count, CHANNEL_ENABLED, rl_conf::channels, rl_file_lead_in::comment_length, count_channels(), create_time_stamp(), rl_file_lead_in::data_block_count, rl_file_lead_in::data_block_size, rl_conf::digital_inputs, DIGITAL_INPUTS_ENABLED, rl_file_lead_in::file_version, get_mac_addr(), rl_file_lead_in::header_length, I1L_INDEX, i1l_valid_channel, I2L_INDEX, i2l_valid_channel, rl_file_lead_in::mac_address, rl_file_lead_in::magic, NUM_DIGITAL_INPUTS, RL_FILE_COMMENT, RL_FILE_MAGIC, RL_FILE_VERSION, rl_file_lead_in::sample_count, rl_file_lead_in::sample_rate, rl_conf::sample_rate, rl_file_lead_in::start_time, and rl_conf::update_rate.

Referenced by pru_sample().

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void store_header_bin	(	FILE *	data,
		struct rl_file_header *	file_header
	)

Store file header to file (in binary format)

Parameters

data	File pointer to data file
file_header	Pointer to rl_file_header struct

Definition at line 204 of file file_handling.c.

References rl_file_header::channel, rl_file_lead_in::channel_bin_count, rl_file_lead_in::channel_count, rl_file_header::comment, rl_file_lead_in::comment_length, rl_file_lead_in::header_length, rl_file_header::lead_in, and RL_FILE_COMMENT_ALIGNMENT_BYTES.

Referenced by pru_sample().

void store_header_csv	(	FILE *	data,
		struct rl_file_header *	file_header
	)

Store file header to file (in CSV format)

Parameters

data	File pointer to data file
file_header	Pointer to rl_file_header struct

Definition at line 237 of file file_handling.c.

References rl_file_header::channel, rl_file_lead_in::channel_bin_count, rl_file_lead_in::channel_count, rl_file_channel::channel_scale, rl_file_header::comment, rl_file_lead_in::data_block_count, rl_file_lead_in::data_block_size, rl_file_lead_in::file_version, rl_file_header::lead_in, rl_file_lead_in::mac_address, MAC_ADDRESS_LENGTH, rl_file_channel::name, RL_SCALE_MICRO, RL_SCALE_MILLI, RL_SCALE_NANO, RL_SCALE_TEN_NANO, RL_SCALE_TEN_PICO, RL_UNIT_AMPERE, RL_UNIT_VOLT, rl_file_lead_in::sample_count, rl_file_lead_in::sample_rate, time_stamp::sec, rl_file_lead_in::start_time, and rl_file_channel::unit.

Referenced by pru_sample().

void update_header_bin	(	FILE *	data,
		struct rl_file_header *	file_header
	)

Update file with new header lead-in (to write current sample count) in binary format

Parameters

data	File pointer to data file
file_header	Pointer to rl_file_header struct

Definition at line 297 of file file_handling.c.

References rl_file_header::lead_in.

Referenced by pru_sample().

void update_header_csv	(	FILE *	data,
		struct rl_file_header *	file_header
	)

Update file with new header lead-in (to write current sample count) in CSV format

Parameters

data	File pointer to data file
file_header	Pointer to rl_file_header struct

Definition at line 310 of file file_handling.c.

References rl_file_lead_in::data_block_count, rl_file_lead_in::data_block_size, rl_file_lead_in::file_version, rl_file_header::lead_in, and rl_file_lead_in::sample_count.

Referenced by pru_sample().

Macros

Functions

Macro Definition Documentation

Function Documentation