/****************************************************************************
 * include/nuttx/contactless/ioctl.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __INCLUDE_NUTTX_CONTACTLESS_IOCTL_H
#define __INCLUDE_NUTTX_CONTACTLESS_IOCTL_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>
#include <nuttx/fs/ioctl.h>

/****************************************************************************
 * Pre-Processor Definitions
 ****************************************************************************/

/* MFRC522 IOCTL Commands ***************************************************/

#define MFRC522IOC_GET_PICC_UID         _CLIOC(0x0001)
#define MFRC522IOC_GET_STATE            _CLIOC(0x0002)

/* PN532 IOCTL Commands *****************************************************/

#define PN532IOC_SET_SAM_CONF           _CLIOC(0x0003)
#define PN532IOC_READ_PASSIVE           _CLIOC(0x0004)
#define PN532IOC_SET_RF_CONF            _CLIOC(0x0005)
#define PN532IOC_SEND_CMD_READ_PASSIVE  _CLIOC(0x0006)
#define PN532IOC_GET_DATA_READY         _CLIOC(0x0007)
#define PN532IOC_GET_TAG_ID             _CLIOC(0x0008)
#define PN532IOC_GET_STATE              _CLIOC(0x0009)
#define PN532IOC_READ_TAG_DATA          _CLIOC(0x000a)
#define PN532IOC_WRITE_TAG_DATA         _CLIOC(0x000b)

/* Contactless common IOCTL Commands ****************************************/

#define CLIOC_READ_MIFARE_DATA          _CLIOC(0x000c)
#define CLIOC_WRITE_MIFARE_DATA         _CLIOC(0x000d)

/****************************************************************************
 * Public Types
 ****************************************************************************/

struct picc_uid_s
{
  uint8_t  size;         /* Number of bytes in the UID. 4, 7 or 10 */
  uint8_t  uid_data[10];
  uint8_t  sak;          /* The SAK (Select Acknowledge) return by the PICC */
};

/* Coding of Select Acknowledge (SAK) according to:
 *   http://www.nxp.com/documents/application_note/AN10833.pdf
 */

enum picc_cardid_e
{
  PICC_TYPE_NOT_COMPLETE = 0x04, /* UID not complete */
  PICC_TYPE_ISO_14443_4  = 0x20, /* PICC compliant with ISO/IEC 14443-4 */
  PICC_TYPE_ISO_18092    = 0x40, /* PICC compliant with ISO/IEC 18092 (NFC) */
  PICC_TYPE_MIFARE_MINI  = 0x09,
  PICC_TYPE_MIFARE_1K    = 0x08,
  PICC_TYPE_MIFARE_4K    = 0x18,
  PICC_TYPE_MIFARE_UL    = 0x00,
  PICC_TYPE_MIFARE_PLUS  = 0x11,
  PICC_TYPE_TNP3XXX      = 0x01
};

struct mifare_tag_data_s
{
  uint8_t  data[16];
  uint8_t  address;
};

/****************************************************************************
 * Public Functions Definitions
 ****************************************************************************/

#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

#undef EXTERN
#ifdef __cplusplus
}
#endif

#endif /* __INCLUDE_NUTTX_CONTACTLESS_IOCTL_H */