_AT45DIB Struct Reference

Internal information structure. More...

Collaboration diagram for _AT45DIB:

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.

Definition at line 72 of file spi_at45dib.c.

---

Field Documentation

sf_unit_t _AT45DIB::dib_page[2]

Page number.

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

Definition at line 77 of file spi_at45dib.c.

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.

Definition at line 84 of file spi_at45dib.c.

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.

Definition at line 91 of file spi_at45dib.c.

HANDLE _AT45DIB::dib_lque

Unlock event queue.

Queued threads waiting for an unlocked buffer.

Definition at line 97 of file spi_at45dib.c.

uint_fast8_t _AT45DIB::dib_pshft

Page address shift value.

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

Definition at line 104 of file spi_at45dib.c.

---

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

• dev/spi_at45dib.c