/****************************************************************************
* drivers/contactless/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 __DRIVERS_CONTACTLESS_PN532_H
#define __DRIVERS_CONTACTLESS_PN532_H 1
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <nuttx/spi/spi.h>
#include <nuttx/wqueue.h>
#include <nuttx/contactless/pn532.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
#define PN532_PREAMBLE 0x00
#define PN532_STARTCODE1 0x00
#define PN532_STARTCODE2 0xFF
#define PN532_POSTAMBLE 0x00
#define PN532_SOF 0xFF00
#define PN532_HOSTTOPN532 0xD4
#define PN532_PN532TOHOST 0xD5
#define PN532_SPI_STATREAD 0x02
#define PN532_SPI_DATAWRITE 0x01
#define PN532_SPI_DATAREAD 0x03
#define PN532_SPI_READY 0x01
/* PN532 Commands */
#define PN532_COMMAND_DIAGNOSE 0x00
#define PN532_COMMAND_GETFIRMWAREVERSION 0x02
#define PN532_COMMAND_GETGENERALSTATUS 0x04
#define PN532_COMMAND_READREGISTER 0x06
#define PN532_COMMAND_WRITEREGISTER 0x08
#define PN532_COMMAND_READGPIO 0x0C
#define PN532_COMMAND_WRITEGPIO 0x0E
#define PN532_COMMAND_SETSERIALBAUDRATE 0x10
#define PN532_COMMAND_SETPARAMETERS 0x12
#define PN532_COMMAND_SAMCONFIGURATION 0x14
#define PN532_COMMAND_POWERDOWN 0x16
#define PN532_COMMAND_RFCONFIGURATION 0x32
#define PN532_COMMAND_RFREGULATIONTEST 0x58
#define PN532_COMMAND_INJUMPFORDEP 0x56
#define PN532_COMMAND_INJUMPFORPSL 0x46
#define PN532_COMMAND_INLISTPASSIVETARGET 0x4A
#define PN532_COMMAND_INATR 0x50
#define PN532_COMMAND_INPSL 0x4E
#define PN532_COMMAND_INDATAEXCHANGE 0x40
#define PN532_COMMAND_INCOMMUNICATETHRU 0x42
#define PN532_COMMAND_INDESELECT 0x44
#define PN532_COMMAND_INRELEASE 0x52
#define PN532_COMMAND_INSELECT 0x54
#define PN532_COMMAND_INAUTOPOLL 0x60
#define PN532_COMMAND_TGINITASTARGET 0x8C
#define PN532_COMMAND_TGSETGENERALBYTES 0x92
#define PN532_COMMAND_TGGETDATA 0x86
#define PN532_COMMAND_TGSETDATA 0x8E
#define PN532_COMMAND_TGSETMETADATA 0x94
#define PN532_COMMAND_TGGETINITIATORCOMMAND 0x88
#define PN532_COMMAND_TGRESPONSETOINITIATOR 0x90
#define PN532_COMMAND_TGGETTARGETSTATUS 0x8A
#define PN532_WAKEUP 0x55
#define PN532_SAM_NORMAL_MODE 0x01
#define PN532_SAM_VIRTUAL_CARD 0x02
#define PN532_SAM_WIRED_CARD 0x03
#define PN532_SAM_DUAL_CARD 0x04
#ifndef CONFIG_PN532_SPI_FREQ
# define CONFIG_PN532_SPI_FREQ (5000000)
#endif
/****************************************************************************
* Public Types
****************************************************************************/
begin_packed_struct struct pn532_frame
{
uint8_t preamble; /* 0x00 */
uint16_t start_code; /* 0x00FF (BE) -> 0xFF00 (LE) */
uint8_t len; /* 1 byte indicating the number of bytes in
* the data field */
uint8_t lcs; /* 1 Packet Length Checksum LCS byte that satisfies
* the relation: Lower byte of [LEN + LCS] = 00h */
uint8_t tfi; /* Frame idenfifier 0xD4, 0xD5 */
uint8_t data[]; /* LEN-1 bytes of Packet Data Information.
* The first byte PD0 is the Command Code */
} end_packed_struct;
begin_packed_struct struct pn_poll_response
{
uint8_t nbtg;
uint8_t tg;
uint8_t target_data[];
} end_packed_struct;
begin_packed_struct struct pn_target_type_a
{
uint16_t sens_res;
uint8_t sel_res;
uint8_t nfcid_len;
uint8_t nfcid_data[];
} end_packed_struct;
struct pn_firmware_version
{
uint8_t ic;
uint8_t ver;
uint8_t rev;
uint8_t support;
};
struct pn532_dev_s
{
uint8_t state;
FAR struct spi_dev_s *spi; /* SPI interface */
FAR struct pn532_config_s *config; /* Board configuration data */
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
bool pn532_set_config(struct pn532_dev_s *dev, uint8_t flags);
#endif /* __DRIVERS_CONTACTLESS_PN532_H */