156 lines
5.6 KiB
C
156 lines
5.6 KiB
C
/****************************************************************************
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* drivers/contactless/pn532.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __DRIVERS_CONTACTLESS_PN532_H
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#define __DRIVERS_CONTACTLESS_PN532_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/wqueue.h>
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#include <nuttx/contactless/pn532.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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#define PN532_PREAMBLE 0x00
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#define PN532_STARTCODE1 0x00
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#define PN532_STARTCODE2 0xFF
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#define PN532_POSTAMBLE 0x00
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#define PN532_SOF 0xFF00
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#define PN532_HOSTTOPN532 0xD4
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#define PN532_PN532TOHOST 0xD5
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#define PN532_SPI_STATREAD 0x02
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#define PN532_SPI_DATAWRITE 0x01
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#define PN532_SPI_DATAREAD 0x03
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#define PN532_SPI_READY 0x01
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/* PN532 Commands */
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#define PN532_COMMAND_DIAGNOSE 0x00
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#define PN532_COMMAND_GETFIRMWAREVERSION 0x02
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#define PN532_COMMAND_GETGENERALSTATUS 0x04
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#define PN532_COMMAND_READREGISTER 0x06
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#define PN532_COMMAND_WRITEREGISTER 0x08
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#define PN532_COMMAND_READGPIO 0x0C
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#define PN532_COMMAND_WRITEGPIO 0x0E
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#define PN532_COMMAND_SETSERIALBAUDRATE 0x10
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#define PN532_COMMAND_SETPARAMETERS 0x12
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#define PN532_COMMAND_SAMCONFIGURATION 0x14
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#define PN532_COMMAND_POWERDOWN 0x16
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#define PN532_COMMAND_RFCONFIGURATION 0x32
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#define PN532_COMMAND_RFREGULATIONTEST 0x58
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#define PN532_COMMAND_INJUMPFORDEP 0x56
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#define PN532_COMMAND_INJUMPFORPSL 0x46
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#define PN532_COMMAND_INLISTPASSIVETARGET 0x4A
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#define PN532_COMMAND_INATR 0x50
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#define PN532_COMMAND_INPSL 0x4E
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#define PN532_COMMAND_INDATAEXCHANGE 0x40
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#define PN532_COMMAND_INCOMMUNICATETHRU 0x42
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#define PN532_COMMAND_INDESELECT 0x44
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#define PN532_COMMAND_INRELEASE 0x52
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#define PN532_COMMAND_INSELECT 0x54
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#define PN532_COMMAND_INAUTOPOLL 0x60
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#define PN532_COMMAND_TGINITASTARGET 0x8C
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#define PN532_COMMAND_TGSETGENERALBYTES 0x92
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#define PN532_COMMAND_TGGETDATA 0x86
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#define PN532_COMMAND_TGSETDATA 0x8E
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#define PN532_COMMAND_TGSETMETADATA 0x94
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#define PN532_COMMAND_TGGETINITIATORCOMMAND 0x88
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#define PN532_COMMAND_TGRESPONSETOINITIATOR 0x90
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#define PN532_COMMAND_TGGETTARGETSTATUS 0x8A
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#define PN532_WAKEUP 0x55
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#define PN532_SAM_NORMAL_MODE 0x01
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#define PN532_SAM_VIRTUAL_CARD 0x02
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#define PN532_SAM_WIRED_CARD 0x03
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#define PN532_SAM_DUAL_CARD 0x04
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#ifndef CONFIG_PN532_SPI_FREQ
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# define CONFIG_PN532_SPI_FREQ (5000000)
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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begin_packed_struct struct pn532_frame
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{
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uint8_t preamble; /* 0x00 */
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uint16_t start_code; /* 0x00FF (BE) -> 0xFF00 (LE) */
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uint8_t len; /* 1 byte indicating the number of bytes in
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* the data field */
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uint8_t lcs; /* 1 Packet Length Checksum LCS byte that satisfies
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* the relation: Lower byte of [LEN + LCS] = 00h */
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uint8_t tfi; /* Frame identifier 0xD4, 0xD5 */
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uint8_t data[]; /* LEN-1 bytes of Packet Data Information.
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* The first byte PD0 is the Command Code */
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} end_packed_struct;
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begin_packed_struct struct pn_poll_response
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{
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uint8_t nbtg;
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uint8_t tg;
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uint8_t target_data[];
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} end_packed_struct;
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begin_packed_struct struct pn_target_type_a
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{
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uint16_t sens_res;
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uint8_t sel_res;
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uint8_t nfcid_len;
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uint8_t nfcid_data[];
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} end_packed_struct;
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struct pn_firmware_version
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{
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uint8_t ic;
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uint8_t ver;
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uint8_t rev;
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uint8_t support;
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};
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struct pn532_dev_s
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{
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uint8_t state;
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uint8_t pm_level;
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FAR struct spi_dev_s *spi; /* SPI interface */
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FAR struct pn532_config_s *config; /* Board configuration data */
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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bool pn532_set_config(struct pn532_dev_s *dev, uint8_t flags);
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#endif /* __DRIVERS_CONTACTLESS_PN532_H */
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