pn532.h File Reference

PN532 driver. More...

Detailed Description

PN532 driver.

Author

Víctor Ariño victo.nosp@m.r.ar.nosp@m.ino@t.nosp@m.riag.nosp@m.nosys.nosp@m..com

Definition in file pn532.h.

#include "kernel_defines.h"
#include "mutex.h"
#include "periph/i2c.h"
#include "periph/spi.h"
#include "periph/gpio.h"
#include <stdint.h>

Include dependency graph for pn532.h:

Go to the source code of this file.

Data Structures
struct	pn532_params_t
	Data structure with the configuration parameters. More...
struct	pn532_t
	Device descriptor for the PN532. More...
struct	nfc_iso14443a_t
	ISO14443A tag description. More...

Macros
#define	CONFIG_PN532_BUFFER_LEN   (64)
	Internal buffer size.
#define	PN532_ISO14443A_4_LEN_FROM_BUFFER(b)   ((b[0] << 8) | b[1])
	Obtain Tag 4 data length from buffer.

Enumerations
enum	pn532_mode_t { PN532_I2C , PN532_SPI }
	Working mode of the PN532. More...
enum	pn532_sam_conf_mode_t { PN532_SAM_NORMAL = 1 , PN532_SAM_VIRTUAL , PN532_SAM_WIRED , PN532_SAM_DUAL }
	Possible SAM configurations. More...
enum	pn532_target_t {   PN532_BR_106_ISO_14443_A = 0 , PN532_BR_212_FELICA , PN532_BR_424_FELICA , PN532_BR_106_ISO_14443_B ,   PN532_BR_106_JEWEL }
	PN532 supported targets. More...
enum	nfc_iso14443a_type_t { ISO14443A_UNKNOWN , ISO14443A_MIFARE , ISO14443A_TYPE4 }
	ISO14443A Card types. More...
enum	pn532_mifare_key_t { PN532_MIFARE_KEY_A = 0x60 , PN532_MIFARE_KEY_B = 0x61 }
	Mifare keys. More...

Functions
void	pn532_reset (const pn532_t *dev)
	Hard reset the chipset.
int	pn532_init (pn532_t *dev, const pn532_params_t *params, pn532_mode_t mode)
	Initialize the module and peripherals.
static int	pn532_init_i2c (pn532_t *dev, const pn532_params_t *params)
	Initialization of PN532 using i2c.
static int	pn532_init_spi (pn532_t *dev, const pn532_params_t *params)
	Initialization of PN532 using spi.
int	pn532_fw_version (pn532_t *dev, uint32_t *fw_ver)
	Get the firmware version of the pn532.
int	pn532_read_reg (pn532_t *dev, char *out, unsigned addr)
	Read register of the pn532.
int	pn532_write_reg (pn532_t *dev, unsigned addr, char val)
	Write register of the pn532.
int	pn532_sam_configuration (pn532_t *dev, pn532_sam_conf_mode_t mode, unsigned timeout)
	Set new settings for the Security Access Module.
int	pn532_get_passive_iso14443a (pn532_t *dev, nfc_iso14443a_t *out, unsigned max_retries)
	Get one ISO14443-A passive target.
int	pn532_mifareclassic_authenticate (pn532_t *dev, nfc_iso14443a_t *card, pn532_mifare_key_t keyid, char *key, unsigned block)
	Authenticate a Mifare classic card.
int	pn532_mifareclassic_read (pn532_t *dev, char *odata, nfc_iso14443a_t *card, unsigned block)
	Read a block of a Mifare classic card.
int	pn532_mifareclassic_write (pn532_t *dev, char *idata, nfc_iso14443a_t *card, unsigned block)
	Write a block of a Mifare classic card.
int	pn532_mifareulight_read (pn532_t *dev, char *odata, nfc_iso14443a_t *card, unsigned page)
	Read a block of a Mifare Ultralight card.
int	pn532_iso14443a_4_activate (pn532_t *dev, nfc_iso14443a_t *card)
	Activate the NDEF file of a ISO14443-A Type 4 tag.
int	pn532_iso14443a_4_read (pn532_t *dev, char *odata, nfc_iso14443a_t *card, unsigned offset, char len)
	Read data from the NDEF file of a ISO14443-A Type 4 tag.
void	pn532_deselect_passive (pn532_t *dev, unsigned target_id)
	Deselect a previously selected passive card.
void	pn532_release_passive (pn532_t *dev, unsigned target_id)
	Release an active passive card.

Helpers to extract firmware information from word
#define	PN532_IC_VERSION(fwver)   ((fwver >> 24) & 0xff)
#define	PN532_FW_VERSION(fwver)   ((fwver >> 16) & 0xff)
#define	PN532_FW_REVISION(fwver)   ((fwver >> 8) & 0xff)
#define	PN532_FW_FEATURES(fwver)   ((fwver) & 0xff)