Nut/OS  5.0.5
API Reference
Data Fields
_AT45DIB Struct Reference
XgAt54dib

Internal information structure. More...

Collaboration diagram for _AT45DIB:
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Data Fields

sf_unit_t dib_page [2]
 Page number.
uint_fast8_t flags [2]
 Attribute flags.
int dib_locks [2]
 Lock count.
HANDLE dib_lque
 Unlock event queue.
uint_fast8_t dib_pshft
 Page address shift value.

Detailed Description

Internal information structure.

This structure is mainly used to keep track of the serial flash's internal RAM buffers.

Field Documentation

sf_unit_t _AT45DIB::dib_page[2]

Page number.

Contains the number of the pages currently loaded into the RAM buffers.

uint_fast8_t _AT45DIB::flags[2]

Attribute flags.

Contains AT45DIB_FDIRTY, if the RAM buffer has been modified and not yet written back to flash memory.

int _AT45DIB::dib_locks[2]

Lock count.

A buffer must not be written back to flash memory when this counter is not equal to zero.

HANDLE _AT45DIB::dib_lque

Unlock event queue.

Queued threads waiting for an unlocked buffer.

uint_fast8_t _AT45DIB::dib_pshft

Page address shift value.

Number of bytes to shift the page address for the Dataflash command parameter.

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