Flight-log store (see log_store.h). More...

#include "log_store.h"
#include <string.h>

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Functions
uint8_t	log_crc8 (const uint8_t *p, uint32_t n)

uint16_t	log_crc16 (const uint8_t *p, uint32_t n)

static uint32_t	addr (uint16_t sect)

static uint16_t	next (uint16_t s)

static void	set_used (uint16_t s, uint8_t on)

static uint8_t	is_used (uint16_t s)

static int	hdr_ok (const log_sector_hdr_t *h)

static int	read_hdr (uint16_t s, log_sector_hdr_t *h)

static void	forget_sector (uint16_t sect)

int	log_mount (const log_flash_t *f)
	0 = ok (empty flash is ok)

uint8_t	log_count (void)

const log_entry_t *	log_entry (uint8_t i)
	oldest first

uint8_t	log_is_open (void)

const log_entry_t *	log_find (uint16_t id)

uint8_t	log_used_pct (void)

static int	flush_page (void)

static int	start_sector (void)

int	log_open (uint32_t t0)
	0 = ok

int	log_append (uint8_t type, const void *payload, uint8_t len)

int	log_close (void)

uint32_t	log_size (uint16_t id)
	nsect × LOG_SECTOR, 0 unknown

int	log_read (uint16_t id, uint32_t off, void *buf, uint32_t n)
	bytes of a closed log 'id' from 'offset' (sectors concatenated, headers included)

int	log_erase_all (void)
	erases every sector that holds data; logs restart from id 1

Variables
static const log_flash_t *	F

static uint16_t	s_nsect

static uint16_t	s_wp

static uint32_t	s_serial

static uint16_t	s_last_id

static uint8_t	s_used [4096/8]

static log_entry_t	s_list [LOG_LIST_MAX]

static uint8_t	s_n

static uint8_t	s_open

static uint16_t	s_cur

static uint16_t	s_seq

static uint32_t	s_t0

static uint32_t	s_pos

static uint8_t	s_page [LOG_PAGE]

static uint32_t	s_page_base

Detailed Description

Flight-log store (see log_store.h).

Definition in file log_store.c.

Function Documentation

◆ log_crc8()

uint8_t log_crc8	(	const uint8_t *	p,
		uint32_t	n
	)

Definition at line 28 of file log_store.c.

References n.

Referenced by log_append().

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◆ log_crc16()

uint16_t log_crc16	(	const uint8_t *	p,
		uint32_t	n
	)

Definition at line 38 of file log_store.c.

References n.

Referenced by hdr_ok(), and start_sector().

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◆ addr()

static uint32_t addr ( uint16_t sect )

static

Definition at line 49 of file log_store.c.

References LOG_SECTOR.

Referenced by baro_setup(), flush_page(), log_erase_all(), log_read(), read_hdr(), single_op(), start_sector(), USBD_LL_SetUSBAddress(), w25q_erase_sector(), w25q_prog(), and w25q_read().

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◆ next()

static uint16_t next ( uint16_t s )

static

Definition at line 50 of file log_store.c.

References s, and s_nsect.

Referenced by BattTask(), forget_sector(), log_mount(), and start_sector().

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◆ set_used()

static void set_used	(	uint16_t	s,
		uint8_t	on
	)

static

Definition at line 51 of file log_store.c.

References on, s, and s_used.

Referenced by forget_sector(), log_erase_all(), log_mount(), and start_sector().

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◆ is_used()

static uint8_t is_used ( uint16_t s )

static

Definition at line 55 of file log_store.c.

References s, and s_used.

Referenced by forget_sector(), log_erase_all(), log_mount(), and log_used_pct().

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◆ hdr_ok()

static int hdr_ok ( const log_sector_hdr_t * h )

static

Definition at line 57 of file log_store.c.

References log_sector_hdr_t::crc, log_sector_hdr_t::format, log_crc16(), LOG_FORMAT, LOG_HDR_SIZE, LOG_MAGIC, and log_sector_hdr_t::magic.

Referenced by read_hdr().

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◆ read_hdr()

static int read_hdr	(	uint16_t	s,
		log_sector_hdr_t *	h
	)

static

Definition at line 63 of file log_store.c.

References addr(), log_flash_t::ctx, F, hdr_ok(), log_flash_t::read, and s.

Referenced by log_mount().

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◆ forget_sector()

static void forget_sector ( uint16_t sect )

static

Definition at line 70 of file log_store.c.

References log_entry_t::first, is_used(), next(), s_list, s_n, set_used(), and log_entry_t::truncated.

Referenced by start_sector().

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◆ log_mount()

int log_mount ( const log_flash_t * f )

0 = ok (empty flash is ok)

Definition at line 82 of file log_store.c.

References F, log_entry_t::first, log_entry_t::id, is_used(), log_sector_hdr_t::log_id, LOG_LIST_MAX, LOG_SECTOR, next(), log_entry_t::nsect, read_hdr(), s, s_last_id, s_list, s_n, s_nsect, s_open, s_serial, s_used, s_wp, log_sector_hdr_t::seq, log_sector_hdr_t::serial, set_used(), log_flash_t::size, log_sector_hdr_t::t0_ms, log_entry_t::t0_ms, and log_entry_t::truncated.

Referenced by cmd(), and log_task_init().

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◆ log_count()

uint8_t log_count ( void )

Definition at line 120 of file log_store.c.

References s_n.

Referenced by cmd(), cmd_list(), and last_log().

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◆ log_entry()

const log_entry_t * log_entry ( uint8_t i )

oldest first

Definition at line 121 of file log_store.c.

References s_list, and s_n.

Referenced by cmd_list(), and last_log().

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◆ log_is_open()

uint8_t log_is_open ( void )

Definition at line 122 of file log_store.c.

References s_open.

Referenced by append_time(), close_log(), drain(), and recording().

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◆ log_find()

const log_entry_t * log_find ( uint16_t id )

Definition at line 124 of file log_store.c.

References s_list, and s_n.

Referenced by log_read(), and log_size().

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◆ log_used_pct()

uint8_t log_used_pct ( void )

Definition at line 130 of file log_store.c.

References is_used(), n, s, and s_nsect.

Referenced by log_task_init(), and log_task_step().

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◆ flush_page()

static int flush_page ( void )

static

Definition at line 139 of file log_store.c.

References addr(), log_flash_t::ctx, F, log_flash_t::prog, s_cur, s_page, s_page_base, s_pos, and used.

Referenced by log_append(), and log_close().

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◆ start_sector()

static int start_sector ( void )

static

Definition at line 150 of file log_store.c.

References log_entry_t::active, addr(), log_sector_hdr_t::crc, log_flash_t::ctx, log_flash_t::erase, F, log_entry_t::first, forget_sector(), log_sector_hdr_t::format, log_entry_t::id, log_crc16(), LOG_FORMAT, LOG_HDR_SIZE, log_sector_hdr_t::log_id, LOG_LIST_MAX, LOG_MAGIC, log_sector_hdr_t::magic, next(), log_entry_t::nsect, s_cur, s_last_id, s_list, s_n, s_nsect, s_page, s_page_base, s_pos, s_seq, s_serial, s_t0, s_wp, log_sector_hdr_t::seq, log_sector_hdr_t::serial, set_used(), log_sector_hdr_t::t0_ms, and log_entry_t::t0_ms.

Referenced by log_append(), and log_open().

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◆ log_open()

int log_open ( uint32_t t0 )

0 = ok

Definition at line 182 of file log_store.c.

References F, s_last_id, s_open, s_seq, s_t0, and start_sector().

Referenced by open_log().

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◆ log_append()

int log_append	(	uint8_t	type,
		const void *	payload,
		uint8_t	len
	)

Definition at line 193 of file log_store.c.

References log_entry_t::active, flush_page(), log_crc8(), LOG_PAGE, LOG_REC_MAX, LOG_REC_OVERHEAD, LOG_SECTOR, n, s_list, s_n, s_open, s_page, s_page_base, s_pos, and start_sector().

Referenced by append_time(), drain(), and open_log().

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◆ log_close()

int log_close ( void )

Definition at line 214 of file log_store.c.

References log_entry_t::active, flush_page(), s_list, s_n, and s_open.

Referenced by close_log().

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◆ log_size()

uint32_t log_size ( uint16_t id )

nsect × LOG_SECTOR, 0 unknown

Definition at line 224 of file log_store.c.

References log_find(), LOG_SECTOR, and log_entry_t::nsect.

Referenced by cmd().

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◆ log_read()

int log_read	(	uint16_t	id,
		uint32_t	off,
		void *	buf,
		uint32_t	n
	)

bytes of a closed log 'id' from 'offset' (sectors concatenated, headers included)

Definition at line 230 of file log_store.c.

References log_entry_t::active, addr(), b, log_flash_t::ctx, F, log_entry_t::first, log_find(), LOG_SECTOR, n, log_entry_t::nsect, off, log_flash_t::read, and s_nsect.

Referenced by read_stream().

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◆ log_erase_all()

int log_erase_all ( void )

erases every sector that holds data; logs restart from id 1

Definition at line 246 of file log_store.c.

References addr(), log_flash_t::ctx, log_flash_t::erase, F, is_used(), s, s_last_id, s_n, s_nsect, s_open, s_wp, and set_used().

Referenced by cmd().

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Variable Documentation

◆ F

const log_flash_t* F

static

Definition at line 8 of file log_store.c.

Referenced by alt_est_predict(), flush_page(), log_erase_all(), log_mount(), log_open(), log_read(), read_hdr(), and start_sector().

◆ s_nsect

uint16_t s_nsect

static

Definition at line 9 of file log_store.c.

Referenced by log_erase_all(), log_mount(), log_read(), log_used_pct(), next(), and start_sector().

◆ s_wp

uint16_t s_wp

static

Definition at line 10 of file log_store.c.

Referenced by log_erase_all(), log_mount(), and start_sector().

◆ s_serial

uint32_t s_serial

static

Definition at line 11 of file log_store.c.

Referenced by log_mount(), and start_sector().

◆ s_last_id

uint16_t s_last_id

static

Definition at line 12 of file log_store.c.

Referenced by log_erase_all(), log_mount(), log_open(), and start_sector().

◆ s_used

uint8_t s_used[4096/8]

static

Definition at line 13 of file log_store.c.

Referenced by is_used(), log_mount(), and set_used().

◆ s_list

log_entry_t s_list[LOG_LIST_MAX]

static

Definition at line 15 of file log_store.c.

Referenced by forget_sector(), log_append(), log_close(), log_entry(), log_find(), log_mount(), and start_sector().

◆ s_n

uint8_t s_n

static

Definition at line 16 of file log_store.c.

Referenced by forget_sector(), log_append(), log_close(), log_count(), log_entry(), log_erase_all(), log_find(), log_mount(), and start_sector().

◆ s_open

uint8_t s_open

static

Definition at line 19 of file log_store.c.

Referenced by log_append(), log_close(), log_erase_all(), log_is_open(), log_mount(), and log_open().

◆ s_cur

uint16_t s_cur

static

Definition at line 20 of file log_store.c.

Referenced by flush_page(), and start_sector().

◆ s_seq

uint16_t s_seq

static

Definition at line 21 of file log_store.c.

Referenced by log_open(), and start_sector().

◆ s_t0

uint32_t s_t0

static

Definition at line 22 of file log_store.c.

Referenced by log_open(), and start_sector().

◆ s_pos

uint32_t s_pos

static

Definition at line 23 of file log_store.c.

Referenced by flush_page(), log_append(), and start_sector().

◆ s_page

uint8_t s_page[LOG_PAGE]

static

Definition at line 24 of file log_store.c.

Referenced by flush_page(), log_append(), and start_sector().

◆ s_page_base

uint32_t s_page_base

static

Definition at line 25 of file log_store.c.

Referenced by flush_page(), log_append(), and start_sector().

Functions

Variables

Detailed Description

Function Documentation

◆ log_crc8()

◆ log_crc16()

◆ addr()

◆ next()

◆ set_used()

◆ is_used()

◆ hdr_ok()

◆ read_hdr()

◆ forget_sector()

◆ log_mount()

◆ log_count()

◆ log_entry()

◆ log_is_open()

◆ log_find()

◆ log_used_pct()

◆ flush_page()

◆ start_sector()

◆ log_open()

◆ log_append()

◆ log_close()

◆ log_size()

◆ log_read()

◆ log_erase_all()

Variable Documentation

◆ F

◆ s_nsect

◆ s_wp

◆ s_serial

◆ s_last_id

◆ s_used

◆ s_list

◆ s_n

◆ s_open

◆ s_cur

◆ s_seq

◆ s_t0

◆ s_pos

◆ s_page

◆ s_page_base