TDF payload generation. More...

#include <stdint.h>
#include <zephyr/net_buf.h>

Macros
#define	TDF_TYPE(tdf_id)
	Get type associated with a given TDF ID.

#define	TDF_ADD(state, tdf_id, tdf_num, base_time, period, data)
	Type safe wrapper around tdf_add.

Enumerations
enum	tdf_data_format { TDF_DATA_FORMAT_SINGLE , TDF_DATA_FORMAT_TIME_ARRAY , TDF_DATA_FORMAT_IDX_ARRAY , TDF_DATA_FORMAT_DIFF_ARRAY_16_8 , TDF_DATA_FORMAT_DIFF_ARRAY_32_8 , TDF_DATA_FORMAT_DIFF_ARRAY_32_16 , TDF_DATA_FORMAT_INVALID , TDF_DATA_FORMAT_DIFF_PRECOMPUTED = 0x80 }

enum	tdf_flags { TDF_TIMESTAMP_NONE = 0x0000 , TDF_TIMESTAMP_ABSOLUTE = 0x4000 , TDF_TIMESTAMP_RELATIVE = 0x8000 , TDF_TIMESTAMP_EXTENDED_RELATIVE = 0xC000 , TDF_ARRAY_NONE = 0x0000 , TDF_ARRAY_TIME = 0x1000 , TDF_ARRAY_DIFF = 0x2000 , TDF_ARRAY_IDX = 0x3000 , TDF_FLAGS_MASK = 0xF000 , TDF_TIMESTAMP_MASK = 0xC000 , TDF_ARRAY_MASK = 0x3000 , TDF_ID_MASK = 0x0FFF }

Functions
static void	tdf_buffer_state_reset (struct tdf_buffer_state *state)
	Reset a tdf_buffer_state struct.

int	tdf_add_core (struct tdf_buffer_state state, uint16_t tdf_id, uint8_t tdf_len, uint8_t tdf_num, uint64_t time, uint32_t idx_period, const void data, enum tdf_data_format format)
	Add TDFs to memory buffer with an explicit format.

static int	tdf_add (struct tdf_buffer_state state, uint16_t tdf_id, uint8_t tdf_len, uint8_t tdf_num, uint64_t time, uint32_t period, const void data)
	Add TDFs to memory buffer.

static void	tdf_parse_start (struct tdf_buffer_state state, void data, size_t size)
	Initialise TDF parsing state.

int	tdf_parse (struct tdf_buffer_state state, struct tdf_parsed parsed)
	Parse the next TDF from a memory buffer.

static int	tdf_parse_find_in_buf (void data, size_t size, uint16_t tdf_id, struct tdf_parsed parsed)
	Find the first instance of a specific TDF in a memory buffer.

int	tdf_parse_diff_reconstruct (const struct tdf_parsed parsed, void output, uint8_t idx)
	Reconstruct the original TDF from a parsed TDF_ARRAY_DIFF.

Detailed Description

TDF payload generation.

SPDX-License-Identifier: FSL-1.1-ALv2

Tagged Data Format payload generation. Evolution of the data logging format described in: https://doi.org/10.1007/978-3-319-03071-5_2

Data Structures