_AT45D_FLASH Struct Reference

Internal information structure. More...

Collaboration diagram for _AT45D_FLASH:

Data Fields
sf_unit_t	dxb_page [FLASH_BUFFERS_AT45D]
	Page number.
uint_fast8_t	flags [FLASH_BUFFERS_AT45D]
	Attribute flags.
int	dxb_locks [FLASH_BUFFERS_AT45D]
	Lock count.
HANDLE	dxb_lque
	Unlock event queue.
uint_fast8_t	dxb_pshft
	Page address shift value.
uint8_t *	dxb_pbuf [FLASH_BUFFERS_AT45D]
	The page buffers.

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Detailed Description

Internal information structure.

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

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Field Documentation

sf_unit_t _AT45D_FLASH::dxb_page[FLASH_BUFFERS_AT45D]

Page number.

Contains the number of the pages currently loaded.

uint_fast8_t _AT45D_FLASH::flags[FLASH_BUFFERS_AT45D]

Attribute flags.

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

int _AT45D_FLASH::dxb_locks[FLASH_BUFFERS_AT45D]

Lock count.

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

HANDLE _AT45D_FLASH::dxb_lque

Unlock event queue.

Queued threads waiting for an unlocked buffer.

uint_fast8_t _AT45D_FLASH::dxb_pshft

Page address shift value.

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

uint8_t* _AT45D_FLASH::dxb_pbuf[FLASH_BUFFERS_AT45D]

The page buffers.

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

• dev/spi_flash_at45d.c