journal Struct Reference

#include <journal.h>

Collaboration diagram for journal:

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Data Fields

struct dataflash_device * storage
unsigned int start
unsigned int length
unsigned int last_location
unsigned int current_location
unsigned long flags
unsigned int status
journal_callback_t callback
void * context
struct buffer entry_buffer
struct dataflash_request request
struct journal_entrycurrent_entry
uint16_t magic_number
unsigned int search_mode

Detailed Description

For internal use only.

Journal description struct

Definition at line 78 of file journal.h.


Field Documentation

journal_callback_t journal::callback

Callback function called when the current operation is done

Definition at line 97 of file journal.h.

Referenced by journal_clean_last_entry(), journal_commit_card(), journal_get_last_entry(), and journal_open_entry().

Data pointer passed to the callback

Definition at line 99 of file journal.h.

Referenced by journal_clean_last_entry(), journal_commit_card(), journal_get_last_entry(), and journal_open_entry().

Entry currently in the process of being written

Definition at line 107 of file journal.h.

Referenced by journal_clean_last_entry(), journal_commit_card(), journal_get_last_entry(), and journal_open_entry().

Next location to write to

Definition at line 91 of file journal.h.

Referenced by journal_clean_last_entry(), journal_find_last_entry(), and journal_open_entry().

Buffer used for dataflash access

Definition at line 102 of file journal.h.

Referenced by journal_clean_last_entry(), journal_commit_card(), journal_find_last_entry(), journal_init(), and journal_open_entry().

unsigned long journal::flags

Flags controlling journal operation

Definition at line 93 of file journal.h.

Referenced by journal_close_entry(), journal_commit_card(), journal_find_last_entry(), journal_get_last_entry(), and journal_is_empty().

unsigned int journal::last_location

Last location used. This variable will be reconstructed by journal_init() when recovering from power loss

Definition at line 89 of file journal.h.

Referenced by journal_commit_card(), and journal_find_last_entry().

unsigned int journal::length

Length of dataflash area available to the journal

Definition at line 84 of file journal.h.

Referenced by journal_find_last_entry(), and journal_init().

Temporary storage used when searching for journal entries

Definition at line 109 of file journal.h.

Referenced by journal_find_last_entry().

struct dataflash_request journal::request [read]

Dataflash request used for dataflash access

Definition at line 104 of file journal.h.

Referenced by journal_clean_last_entry(), journal_commit_card(), journal_find_last_entry(), journal_get_last_entry(), journal_init(), and journal_open_entry().

unsigned int journal::search_mode

State variable used when searching for journal entries

Definition at line 111 of file journal.h.

Referenced by journal_find_last_entry(), and journal_get_last_entry().

unsigned int journal::start

First dataflash byte available to the journal

Definition at line 82 of file journal.h.

Referenced by journal_find_last_entry(), and journal_init().

unsigned int journal::status

struct dataflash_device* journal::storage [read]

Dataflash used for storing the journal entries

Definition at line 80 of file journal.h.

Referenced by journal_find_last_entry(), journal_get_next_address(), and journal_init().


The documentation for this struct was generated from the following file:

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