EEPROM

Data Structures
struct	ws_eeprom_handle_t

Functions
ws_eeprom_handle_t	ws_eeprom_handle_internal (void)
static ws_eeprom_handle_t	ws_eeprom_handle_cartridge (uint8_t bits)
uint16_t	ws_eeprom_read_word (ws_eeprom_handle_t handle, uint16_t address)
	Read an aligned word from the EEPROM.
uint8_t	ws_eeprom_read_byte (ws_eeprom_handle_t handle, uint16_t address)
	Read a byte from the EEPROM.
void	ws_eeprom_read_data (ws_eeprom_handle_t handle, uint16_t address, uint8_t *data, uint16_t length)
	Read bytes from the EEPROM.
bool	ws_eeprom_write_word (ws_eeprom_handle_t handle, uint16_t address, uint16_t value)
	Write a word to the EEPROM.
bool	ws_eeprom_erase_word (ws_eeprom_handle_t handle, uint16_t address)
	Erase a word from the EEPROM, setting it to 0xFFFF.
bool	ws_eeprom_write_lock (ws_eeprom_handle_t handle)
	Lock the EEPROM, preventing writes and erases.
bool	ws_eeprom_write_unlock (ws_eeprom_handle_t handle)
	Unlock the EEPROM, allowing writes and erases.

Detailed Description

Function Documentation

ws_eeprom_erase_word()

bool ws_eeprom_erase_word	(	ws_eeprom_handle_t	handle,
		uint16_t	address )

Erase a word from the EEPROM, setting it to 0xFFFF.

Parameters

address

The address to erase.

Returns

True if the erase was successful (no timeout).

ws_eeprom_handle_cartridge()

ws_eeprom_handle_t ws_eeprom_handle_cartridge ( uint8_t bits )

inlinestatic

Definition at line 162 of file eeprom.h.

ws_eeprom_handle_internal()

ws_eeprom_handle_t ws_eeprom_handle_internal

(

void

)

ws_eeprom_read_byte()

uint8_t ws_eeprom_read_byte	(	ws_eeprom_handle_t	handle,
		uint16_t	address )

Read a byte from the EEPROM.

Parameters

address

The address to read from.

Returns

uint8_t The value read.

ws_eeprom_read_data()

void ws_eeprom_read_data	(	ws_eeprom_handle_t	handle,
		uint16_t	address,
		uint8_t *	data,
		uint16_t	length )

Read bytes from the EEPROM.

Parameters

address	The address to read from.
data	The pointer to write to.
length	The number of bytes to read.

ws_eeprom_read_word()

uint16_t ws_eeprom_read_word	(	ws_eeprom_handle_t	handle,
		uint16_t	address )

Read an aligned word from the EEPROM.

Parameters

address

The address to read from. The lowest bit is ignored.

Returns

uint16_t The value read.

ws_eeprom_write_lock()

bool ws_eeprom_write_lock

(

ws_eeprom_handle_t

handle

)

Lock the EEPROM, preventing writes and erases.

Returns

True if the command was successful (no timeout).

ws_eeprom_write_unlock()

bool ws_eeprom_write_unlock

(

ws_eeprom_handle_t

handle

)

Unlock the EEPROM, allowing writes and erases.

ws_eeprom_write_word()

bool ws_eeprom_write_word	(	ws_eeprom_handle_t	handle,
		uint16_t	address,
		uint16_t	value )

Write a word to the EEPROM.

Parameters

address	The address to write to. The lowest bit is ignored.
value	The word to write.

Returns

True if the write was successful (no timeout).