mfrc522 extern driver function

mfrc522 extern driver modules More...

Functions
uint8_t	mfrc522_set_reg (mfrc522_handle_t *handle, uint8_t reg, uint8_t *buf, uint16_t len)
	set the chip register More...
uint8_t	mfrc522_get_reg (mfrc522_handle_t *handle, uint8_t reg, uint8_t *buf, uint16_t len)
	get the chip register More...

Detailed Description

mfrc522 extern driver modules

Function Documentation

mfrc522_get_reg()

uint8_t mfrc522_get_reg	(	mfrc522_handle_t *	handle,
		uint8_t	reg,
		uint8_t *	buf,
		uint16_t	len
	)

get the chip register

Parameters

[in]	*handle	pointer to an mfrc522 handle structure
[in]	reg	register address
[out]	*buf	pointer to a data buffer
[in]	len	data buffer length

Returns

status code

• 0 success
• 1 read failed
• 2 handle is NULL
• 3 handle is not initialized

Note

none

Definition at line 7806 of file driver_mfrc522.c.

mfrc522_set_reg()

uint8_t mfrc522_set_reg	(	mfrc522_handle_t *	handle,
		uint8_t	reg,
		uint8_t *	buf,
		uint16_t	len
	)

set the chip register

Parameters

[in]	*handle	pointer to an mfrc522 handle structure
[in]	reg	register address
[in]	*buf	pointer to a data buffer
[in]	len	data buffer length

Returns

status code

• 0 success
• 1 write failed
• 2 handle is NULL
• 3 handle is not initialized

Note

none

Definition at line 7779 of file driver_mfrc522.c.