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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_tlv_block.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_tlv_block.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_tlv_block.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_tlv_block.h new file mode 100644 index 0000000..4c74f36 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_tlv_block.h @@ -0,0 +1,102 @@ +/** + * 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_TLV_BLOCK_H__ +#define NFC_TLV_BLOCK_H__ + +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/**@file + * + * @defgroup nfc_type_2_tag_tlv_block Type 2 Tag TLV blocks + * @{ + * @ingroup nfc_type_2_tag_parser + * + * @brief Descriptor for a Type 2 Tag TLV block. + * + */ + +/** + * @brief Tag field values. + * + * Possible values for the tag field in a TLV block. + */ +typedef enum +{ + TLV_NULL = 0x00, ///< Might be used for padding of memory areas. + TLV_LOCK_CONTROL = 0x01, ///< Defines details of the lock bits. + TLV_MEMORY_CONTROL = 0x02, ///< Identifies reserved memory areas. + TLV_NDEF_MESSAGE = 0x03, ///< Contains an NDEF message. + TLV_PROPRIETARY = 0xFD, ///< Tag proprietary information. + TLV_TERMINATOR = 0xFE ///< Last TLV block in the data area. +} tlv_block_types_t; + +/** + * @brief TLV block descriptor. + */ +typedef struct +{ + uint8_t tag; ///< Type of the TLV block. + uint16_t length; ///< Length of the value field. + uint8_t * p_value; ///< Pointer to the value field (NULL if no value field is present in the block). +} tlv_block_t; + +#define TLV_T_LENGTH 1 ///< Length of a tag field. + +#define TLV_L_SHORT_LENGTH 1 ///< Length of a short length field. +#define TLV_L_LONG_LENGTH 3 ///< Length of an extended length field. +#define TLV_L_FORMAT_FLAG 0xFF ///< Value indicating the use of an extended length field. + +#define TLV_NULL_TERMINATOR_LEN 0 ///< Predefined length of the NULL and TERMINATOR TLV blocks. +#define TLV_LOCK_MEMORY_CTRL_LEN 3 ///< Predefined length of the LOCK CONTROL and MEMORY CONTROL blocks. + +/** + * @} + */ + + +#ifdef __cplusplus +} +#endif + +#endif /* NFC_TLV_BLOCK_H__ */ |