#pragma once #include "esphome/core/helpers.h" #include "esphome/core/log.h" #include "ndef_record.h" #include "ndef_message.h" #include "nfc_tag.h" #include namespace esphome { namespace nfc { static const uint8_t MIFARE_CLASSIC_BLOCK_SIZE = 16; static const uint8_t MIFARE_CLASSIC_LONG_TLV_SIZE = 4; static const uint8_t MIFARE_CLASSIC_SHORT_TLV_SIZE = 2; static const uint8_t MIFARE_CLASSIC_BLOCKS_PER_SECT_LOW = 4; static const uint8_t MIFARE_CLASSIC_BLOCKS_PER_SECT_HIGH = 16; static const uint8_t MIFARE_CLASSIC_16BLOCK_SECT_START = 32; static const uint8_t MIFARE_ULTRALIGHT_PAGE_SIZE = 4; static const uint8_t MIFARE_ULTRALIGHT_READ_SIZE = 4; static const uint8_t MIFARE_ULTRALIGHT_DATA_START_PAGE = 4; static const uint8_t MIFARE_ULTRALIGHT_MAX_PAGE = 63; static const uint8_t TAG_TYPE_MIFARE_CLASSIC = 0; static const uint8_t TAG_TYPE_1 = 1; static const uint8_t TAG_TYPE_2 = 2; static const uint8_t TAG_TYPE_3 = 3; static const uint8_t TAG_TYPE_4 = 4; static const uint8_t TAG_TYPE_UNKNOWN = 99; // Mifare Commands static const uint8_t MIFARE_CMD_AUTH_A = 0x60; static const uint8_t MIFARE_CMD_AUTH_B = 0x61; static const uint8_t MIFARE_CMD_HALT = 0x50; static const uint8_t MIFARE_CMD_READ = 0x30; static const uint8_t MIFARE_CMD_WRITE = 0xA0; static const uint8_t MIFARE_CMD_WRITE_ULTRALIGHT = 0xA2; // Mifare Ack/Nak static const uint8_t MIFARE_CMD_ACK = 0x0A; static const uint8_t MIFARE_CMD_NAK_INVALID_XFER_BUFF_VALID = 0x00; static const uint8_t MIFARE_CMD_NAK_CRC_ERROR_XFER_BUFF_VALID = 0x01; static const uint8_t MIFARE_CMD_NAK_INVALID_XFER_BUFF_INVALID = 0x04; static const uint8_t MIFARE_CMD_NAK_CRC_ERROR_XFER_BUFF_INVALID = 0x05; static const char *const MIFARE_CLASSIC = "Mifare Classic"; static const char *const NFC_FORUM_TYPE_2 = "NFC Forum Type 2"; static const char *const ERROR = "Error"; static const uint8_t DEFAULT_KEY[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; static const uint8_t NDEF_KEY[6] = {0xD3, 0xF7, 0xD3, 0xF7, 0xD3, 0xF7}; static const uint8_t MAD_KEY[6] = {0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5}; std::string format_uid(std::vector &uid); std::string format_bytes(std::vector &bytes); uint8_t guess_tag_type(uint8_t uid_length); uint8_t get_mifare_classic_ndef_start_index(std::vector &data); bool decode_mifare_classic_tlv(std::vector &data, uint32_t &message_length, uint8_t &message_start_index); uint32_t get_mifare_classic_buffer_size(uint32_t message_length); bool mifare_classic_is_first_block(uint8_t block_num); bool mifare_classic_is_trailer_block(uint8_t block_num); uint32_t get_mifare_ultralight_buffer_size(uint32_t message_length); class NfcTagListener { public: virtual void tag_off(NfcTag &tag) {} virtual void tag_on(NfcTag &tag) {} }; class Nfcc { public: void register_listener(NfcTagListener *listener) { this->tag_listeners_.push_back(listener); } protected: std::vector tag_listeners_; }; } // namespace nfc } // namespace esphome