/**************************************************************************** * drivers/contactless/pn532.h * * Copyright(C) 2012, 2013, 2016 Offcode Ltd. All rights reserved. * Authors: Janne Rosberg * Teemu Pirinen * Juho Grundström * * 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 /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include /**************************************************************************** * 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 identifier 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 */