Synchronous 7816 driver

HAL SYNC7816. More...

Functions
void *	hal_sync7816_open (sync7816_init_t *init)
	Init sync7816 device. More...
void	hal_sync7816_close (void *dev)
	Close sync7816 device. More...
void	hal_sync7816_stop (void *dev)
	Send stop signal to device. More...
int	hal_sync7816_answer_to_rst (void *dev, uint32_t *pval)
	Get answer to reset. More...
int	fm4428_read_cmd (void *dev, uint32_t cmd, uint32_t addr, uint32_t *rx_data, uint32_t rx_len)
	Send read command for fm4428 chip. More...
int	fm4428_read_byte (void *dev, uint32_t addr, int protect, uint8_t *rx_data)
	Read one byte for fm4428 chip. More...
int	fm4428_write_cmd (void *dev, uint32_t cmd, uint32_t addr, uint8_t data, uint32_t wait_clk)
	Send write command for fm4428 chip. More...
int	fm4428_write_byte (void *dev, uint32_t addr, uint8_t data)
	Write one byte for fm4428 chip. More...
int	fm4428_unlock (void *dev, uint8_t psc1, uint8_t psc2)
	Unlock fm4428 chip for write. More...
int	fm4442_read_cmd (void *dev, uint32_t cmd, uint32_t addr, uint32_t *rx_data, uint32_t rx_len)
	Send read command for fm4442 chip. More...
int	fm4442_write_cmd (void *dev, uint32_t cmd, uint32_t addr, uint8_t data)
	Send write command for fm4442 chip. More...

Detailed Description

HAL SYNC7816.

Function Documentation

fm4428_read_byte()

int fm4428_read_byte	(	void *	dev,
		uint32_t	addr,
		int	protect,
		uint8_t *	rx_data
	)

Read one byte for fm4428 chip.

Parameters

[in]	dev	Sync7816 device struct
[in]	addr	Address
[in]	protect	1 is protect, 0 is not protect.
[out]	rx_data	Data that read out from bus

Returns

0 if successful, otherwise failed

fm4428_read_cmd()

int fm4428_read_cmd	(	void *	dev,
		uint32_t	cmd,
		uint32_t	addr,
		uint32_t *	rx_data,
		uint32_t	rx_len
	)

Send read command for fm4428 chip.

Parameters

[in]	dev	Sync7816 device struct
[in]	cmd	Command
[in]	addr	Address
[out]	rx_data	Data that read out from bus
[in]	rx_len	Rx bit length. Max value is 32 bit.

Returns

0 if successful, otherwise failed

fm4428_unlock()

int fm4428_unlock	(	void *	dev,
		uint8_t	psc1,
		uint8_t	psc2
	)

Unlock fm4428 chip for write.

Parameters

[in]	dev	Sync7816 device struct
[in]	psc1	psc1 code
[in]	psc2	psc2 code

Returns

0 if successful, otherwise failed

fm4428_write_byte()

int fm4428_write_byte	(	void *	dev,
		uint32_t	addr,
		uint8_t	data
	)

Write one byte for fm4428 chip.

Parameters

[in]	dev	Sync7816 device struct
[in]	addr	Address
[in]	data	Data that write to bus

Returns

0 if successful, otherwise failed

fm4428_write_cmd()

int fm4428_write_cmd	(	void *	dev,
		uint32_t	cmd,
		uint32_t	addr,
		uint8_t	data,
		uint32_t	wait_clk
	)

Send write command for fm4428 chip.

Parameters

[in]	dev	Sync7816 device struct
[in]	cmd	Command
[in]	addr	Address
[in]	data	Data that write to bus
[in]	wait_clk	Wait clock for operation finish

Returns

0 if successful, otherwise failed

fm4442_read_cmd()

int fm4442_read_cmd	(	void *	dev,
		uint32_t	cmd,
		uint32_t	addr,
		uint32_t *	rx_data,
		uint32_t	rx_len
	)

Send read command for fm4442 chip.

Parameters

[in]	dev	Sync7816 device struct
[in]	cmd	Command
[in]	addr	Address
[out]	rx_data	Data that read out from bus
[in]	rx_len	Rx bit length. Max value is 16 bit.

Returns

0 if successful, otherwise failed

fm4442_write_cmd()

int fm4442_write_cmd	(	void *	dev,
		uint32_t	cmd,
		uint32_t	addr,
		uint8_t	data
	)

Send write command for fm4442 chip.

Parameters

[in]	dev	Sync7816 device struct
[in]	cmd	Command
[in]	addr	Address
[in]	data	Data that write to bus

Returns

0 if successful, otherwise failed

hal_sync7816_answer_to_rst()

int hal_sync7816_answer_to_rst	(	void *	dev,
		uint32_t *	pval
	)

Get answer to reset.

Parameters

[in]	dev	sync7816 device struct
[out]	pval	data pointer of answer to reset

Returns

0 if successful, otherwise failed

hal_sync7816_close()

void hal_sync7816_close

(

void *

dev

)

Close sync7816 device.

Parameters

[in]

dev

sync7816 device struct

Returns

None

hal_sync7816_open()

void* hal_sync7816_open

(

sync7816_init_t *

init

)

Init sync7816 device.

Parameters

[in]

init

Initial parameters, see sync7816_init_t

Returns

Sync7816 device struct, NUll if failed.

hal_sync7816_stop()

void hal_sync7816_stop

(

void *

dev

)

Send stop signal to device.

Parameters

[in]

dev

sync7816 device struct

Returns

None