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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.h new file mode 100644 index 0000000..23a8632 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.h @@ -0,0 +1,195 @@ +/** + * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * 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, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, 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 of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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 NFC_TYPE_2_TAG_PARSER_H__ +#define NFC_TYPE_2_TAG_PARSER_H__ + +#include <stdint.h> +#include "nfc_tlv_block.h" +#include "sdk_errors.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @defgroup nfc_type_2_tag Type 2 Tag + * @{ + * @ingroup nfc_type_2_tag_parser + * + * @brief Descriptor for a Type 2 Tag. + * + */ + +/** + * @brief Descriptor for the internal bytes of a Type 2 Tag. + */ +typedef struct +{ + uint8_t manufacturer_id; ///< Manufacturer ID (the most significant byte of the UID/serial number). + uint16_t serial_number_part_1; ///< Bytes 5-4 of the tag UID. + uint8_t check_byte_0; ///< First block check character byte (XOR of the cascade tag byte, manufacturer ID byte, and the serial_number_part_1 bytes). + uint32_t serial_number_part_2; ///< Bytes 3-0 of the tag UID. + uint8_t check_byte_1; ///< Second block check character byte (XOR of the serial_number_part_2 bytes). + uint8_t internal; ///< Tag internal bytes. +} type_2_tag_serial_number_t; + +/** + * @brief Descriptor for the Capability Container (CC) bytes of a Type 2 Tag. + */ +typedef struct +{ + uint8_t major_version; ///< Major version of the supported Type 2 Tag specification. + uint8_t minor_version; ///< Minor version of the supported Type 2 Tag specification. + uint16_t data_area_size; ///< Size of the data area in bytes. + uint8_t read_access; ///< Read access for the data area. + uint8_t write_access; ///< Write access for the data area. +} type_2_tag_capability_container_t; + +/** + * @brief Type 2 Tag descriptor. + */ +typedef struct +{ + type_2_tag_serial_number_t sn; ///< Values within the serial number area of the tag. + uint16_t lock_bytes; ///< Value of the lock bytes. + type_2_tag_capability_container_t cc; ///< Values within the Capability Container area of the tag. + + uint16_t const max_tlv_blocks; ///< Maximum number of TLV blocks that can be stored. + tlv_block_t * p_tlv_block_array; ///< Pointer to the array for TLV blocks. + uint16_t tlv_count; ///< Number of TLV blocks stored in the Type 2 Tag. + +} type_2_tag_t; + +/** + * @brief Macro for creating and initializing a Type 2 Tag descriptor. + * + * This macro creates and initializes a static instance of a @ref type_2_tag_t structure and + * an array of @ref tlv_block_t descriptors. + * + * Use the macro @ref NFC_TYPE_2_TAG_DESC to access the Type 2 Tag descriptor instance. + * + * @param[in] NAME Name of the created descriptor instance. + * @param[in] MAX_BLOCKS Maximum number of @ref tlv_block_t descriptors that can be stored in the array. + * + */ +#define NFC_TYPE_2_TAG_DESC_DEF(NAME, MAX_BLOCKS) \ + static tlv_block_t NAME##_tlv_block_array[MAX_BLOCKS]; \ + static type_2_tag_t NAME##_type_2_tag = \ + { \ + .max_tlv_blocks = MAX_BLOCKS, \ + .p_tlv_block_array = NAME##_tlv_block_array, \ + .tlv_count = 0 \ + } + +/** + * @brief Macro for accessing the @ref type_2_tag_t instance that was created + * with @ref NFC_TYPE_2_TAG_DESC_DEF. + */ +#define NFC_TYPE_2_TAG_DESC(NAME) (NAME##_type_2_tag) + + +#define T2T_NFC_FORUM_DEFINED_DATA 0xE1 ///< Value indicating that the Type 2 Tag contains NFC Forum defined data. +#define T2T_UID_BCC_CASCADE_BYTE 0x88 ///< Value used for calculating the first BCC byte of a Type 2 Tag serial number. + +#define T2T_SUPPORTED_MAJOR_VERSION 1 ///< Supported major version of the Type 2 Tag specification. +#define T2T_SUPPORTED_MINOR_VERSION 2 ///< Supported minor version of the Type 2 Tag specification. + +#define T2T_BLOCK_SIZE 4 ///< Type 2 Tag block size in bytes. + +#define T2T_CC_BLOCK_OFFSET 12 ///< Offset of the Capability Container area in the Type 2 Tag. +#define T2T_FIRST_DATA_BLOCK_OFFSET 16 ///< Offset of the data area in the Type 2 Tag. + +/** + * @} + */ + + +/** + * @defgroup nfc_type_2_tag_parser NFC Type 2 Tag parser + * @{ + * @ingroup nfc_t2t + * + * @brief Parser for Type 2 Tag data. + * + */ + +/** + * @brief Function for clearing the @ref type_2_tag_t structure. + * + * @param[in,out] p_type_2_tag Pointer to the structure that should be cleared. + * + */ +void type_2_tag_clear(type_2_tag_t * p_type_2_tag); + +/** + * @brief Function for parsing raw data read from a Type 2 Tag. + * + * This function parses the header and the following TLV blocks of a Type 2 Tag. The data is read + * from a buffer and stored in a @ref type_2_tag_t structure. + * + * @param[out] p_type_2_tag Pointer to the structure that will be filled with parsed data. + * @param[in] p_raw_data Pointer to the buffer with raw data from the tag (should + * point at the first byte of the first block of the tag). + * + * @retval NRF_SUCCESS If the data was parsed successfully. + * @retval NRF_ERROR_NO_MEM If there is not enough memory to store all of the TLV blocks. + * @retval Other If an error occurred during the parsing operation. + * + */ +ret_code_t type_2_tag_parse(type_2_tag_t * p_type_2_tag, uint8_t * p_raw_data); + +/** + * @brief Function for printing parsed contents of the Type 2 Tag. + * + * @param[in] p_type_2_tag Pointer to the structure that should be printed. + * + */ +void type_2_tag_printout(type_2_tag_t * p_type_2_tag); + +/** + * @} + */ + + +#ifdef __cplusplus +} +#endif + +#endif /* NFC_TYPE_2_TAG_PARSER_H__ */ |