incubator-nuttx/include/nuttx/wireless/pn532.h

166 lines
5.3 KiB
C

/****************************************************************************
* include/wireless/pn532.h
*
* Copyright(C) 2012, 2013, 2016 Offcode Ltd. All rights reserved.
* Authors: Janne Rosberg <janne@offcode.fi>
* Teemu Pirinen <teemu@offcode.fi>
* Juho Grundström <juho@offcode.fi>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __NUTTX_WIRELESS_PN532_H
#define __NUTTX_WIRELESS_PN532_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/spi/spi.h>
#include <nuttx/irq.h>
#include <sys/ioctl.h>
#include <nuttx/wireless/wireless.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
#define PN532_MIFARE_ISO14443A (0x00)
/* IOCTL Commands ***********************************************************/
#define PN532IOC_SET_SAM_CONF _WLIOC_USER(0x0001)
#define PN532IOC_READ_PASSIVE _WLIOC_USER(0x0002)
#define PN532IOC_SET_RF_CONF _WLIOC_USER(0x0003)
#define PN532IOC_SEND_CMD_READ_PASSIVE _WLIOC_USER(0x0004)
#define PN532IOC_GET_DATA_READY _WLIOC_USER(0x0005)
#define PN532IOC_GET_TAG_ID _WLIOC_USER(0x0006)
#define PN532IOC_GET_STATE _WLIOC_USER(0x0007)
#define PN532IOC_READ_TAG_DATA _WLIOC_USER(0x0008)
#define PN532IOC_WRITE_TAG_DATA _WLIOC_USER(0x0009)
/****************************************************************************
* Public Types
****************************************************************************/
enum pn532_state_E
{
PN532_STATE_NOT_INIT,
PN532_STATE_IDLE,
PN532_STATE_CMD_SENT,
PN532_STATE_DATA_READY,
};
struct pn532_dev_s;
struct pn532_config_s
{
int (*reset)(uint8_t enable);
/* External CS, if NULL then SPIDEV_WIRELESS CS is used */
int (*select)(struct pn532_dev_s *dev, bool sel);
int (*irqattach)(void* dev, xcpt_t isr);
};
enum PN_SAM_MODE
{
PN_SAM_NORMAL_MODE = 0x01,
PN_SAM_VIRTUAL_CARD,
PN_SAM_WIRED_CARD,
SAM_DUAL_CARD
};
struct pn_sam_settings_s
{
enum PN_SAM_MODE mode; /* Mode */
uint8_t timeout; /* Timeout: LSB=50ms 0x14*50ms = 1sec */
uint8_t irq_en; /* If 1 - enable P-70, IRQ */
};
enum PN_RF_CONFIG_ITEM
{
PN_RF_CONFIG_RF_FIELD = 0x01,
PN_RF_CONFIG_VARIOUS_TIMINGS = 0x02,
PN_RF_CONFIG_ITEM_ANALOG_106A = 0x0A,
PN_RF_CONFIG_ITEM_ANALOG_212 = 0x0B,
};
struct pn_rf_config_s
{
uint8_t cfg_item; /* Item */
uint8_t data_size; /* number of config items */
uint8_t config[11]; /* Item config data */
};
struct pn_mifare_tag_data_s
{
uint32_t data;
uint8_t address;
};
/****************************************************************************
* Public Functions
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: pn532_register
*
* Description:
* Register the PN532 character device as 'devpath'
*
* Input Parameters:
* devpath - The full path to the driver to register. E.g., "/dev/nfc0"
* spi - An instance of the SPI interface to use to communicate with PN532
* config - Device persistent board data
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int pn532_register(FAR const char *devpath, FAR struct spi_dev_s *spi,
FAR struct pn532_config_s *config);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __NUTTX_WIRELESS_PN532_H */