Flash

Data Structures
struct	Flash

Functions
DeviceHandle_t	Flash_init (Flash *, char[DEVICE_NAME_LENGTH], GPIO_TypeDef *, unsigned long, int, long)
	Initialise flash struct.
void	Flash_readPage (Flash *, uint32_t, volatile uint8_t *)
	Read from flash.
void	Flash_writePage (Flash *, uint32_t, uint8_t *)
	Write page to flash.
void	Flash_erase (Flash *)
	Erase flash chip.
void	_Flash_writeEnable (Flash *)
	Send Write Enable instruction to the flash device.
void	_Flash_readStatus1 (Flash *, uint8_t *)
	Read from Status Register 1.
void	_Flash_readStatus2 (Flash *, uint8_t *)
	Read from Status Register 2.
void	_Flash_readStatus3 (Flash *, uint8_t *)
	Read from Status Register 3.

Detailed Description

Author

Matt Ricci

Function Documentation

Flash_init()

DeviceHandle_t Flash_init	(	Flash *	flash,
		char	name[DEVICE_NAME_LENGTH],
		GPIO_TypeDef *	port,
		unsigned long	cs,
		int	pageSize,
		long	pageCount )

Initialise flash struct.

Parameters

*flash	Pointer to Flash struct.
*port	Pointer to GPIO port.
cs	Address to flash chip select.

Returns

NULL.

---

Definition at line 33 of file flash.c.

Flash_readPage()

void Flash_readPage	(	Flash *	flash,
		uint32_t	address,
		volatile uint8_t *	data )

Read from flash.

Parameters

*flash	Pointer to Flash struct.
address	Address in memory to write to.
*data	Pointer to start of page buffer to read to.

Returns

NULL.

---

Definition at line 202 of file flash.c.

Flash_writePage()

void Flash_writePage	(	Flash *	flash,
		uint32_t	address,
		uint8_t *	data )

Write page to flash.

Parameters

*flash	Pointer to Flash struct.
address	Address in memory to write to.
*data	Pointer to start of page buffer to write.

Returns

NULL.

---

Definition at line 166 of file flash.c.

Flash_erase()

void Flash_erase

(

Flash *

flash

)

Erase flash chip.

Parameters

*flash

Pointer to Flash struct.

Returns

NULL.

---

Definition at line 140 of file flash.c.

_Flash_writeEnable()

void _Flash_writeEnable

(

Flash *

flash

)

Send Write Enable instruction to the flash device.

Parameters

*flash

Pointer to Flash struct.

Returns

NULL.

---

Definition at line 66 of file flash.c.

_Flash_readStatus1()

void _Flash_readStatus1	(	Flash *	flash,
		uint8_t *	status )

Read from Status Register 1.

Parameters

*flash	Pointer to Flash struct.
*status	Pointer to status output variable.

Returns

NULL.

---

Definition at line 83 of file flash.c.

_Flash_readStatus2()

void _Flash_readStatus2	(	Flash *	flash,
		uint8_t *	status )

Read from Status Register 2.

Parameters

*flash	Pointer to Flash struct.
*status	Pointer to status output variable.

Returns

NULL.

---

Definition at line 101 of file flash.c.

_Flash_readStatus3()

void _Flash_readStatus3	(	Flash *	flash,
		uint8_t *	status )

Read from Status Register 3.

Parameters

*flash	Pointer to Flash struct.
*status	Pointer to status output variable.

Returns

NULL.

---

Definition at line 119 of file flash.c.