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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.c | 679 |
1 files changed, 679 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.c new file mode 100644 index 0000000..fd1477e --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/t2t_parser/nfc_t2t_parser.c @@ -0,0 +1,679 @@ +/** + * 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. + * + */ +#include "sdk_common.h" +#if NRF_MODULE_ENABLED(NFC_T2T_PARSER) + +#include <string.h> +#include <stdbool.h> +#include "nrf_delay.h" +#include "nfc_t2t_parser.h" + +#define NRF_LOG_MODULE_NAME nfc_t2t_parser +#if NFC_T2T_PARSER_LOG_ENABLED +#define NRF_LOG_LEVEL NFC_T2T_PARSER_LOG_LEVEL +#define NRF_LOG_INFO_COLOR NFC_T2T_PARSER_INFO_COLOR +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); +#else // NFC_T2T_PARSER_LOG_ENABLED +#define NRF_LOG_LEVEL 0 +#include "nrf_log.h" +#endif // NFC_T2T_PARSER_LOG_ENABLED + +/// Gets least significant nibble (a 4-bit value) from a byte. +#define LSN_GET(val) (val & 0x0F) + +/// Gets most significant nibble (a 4-bit value) from a byte. +#define MSN_GET(val) ((val >> 4) & 0x0F) + +/** + * @brief Function for inserting the TLV block into a @ref type_2_tag_t structure. + * + * The content of a TLV block structure pointed by the p_tlv_block is copied into a TLV block + * array within the structure pointed by the p_type_2_tag. + * + * @param[in,out] p_type_2_tag Pointer to the structure that contains the TLV blocks array. + * @param[in] p_tlv_block Pointer to the TLV block to insert. + * + * @retval NRF_SUCCESS If the block was inserted successfully. + * @retval NRF_ERROR_NO_MEM If there is already maximum number of blocks stored in the array. + * + */ +static ret_code_t type_2_tag_tlv_block_insert(type_2_tag_t * p_type_2_tag, + tlv_block_t * p_tlv_block) +{ + if (p_type_2_tag->tlv_count == p_type_2_tag->max_tlv_blocks) + { + return NRF_ERROR_NO_MEM; + } + + // Copy contents of the source block. + p_type_2_tag->p_tlv_block_array[p_type_2_tag->tlv_count] = *p_tlv_block; + p_type_2_tag->tlv_count++; + + return NRF_SUCCESS; +} + + +/** + * @brief Function for checking if the TLV block length is correct. + * + * Some TLV block has predefined length: + * TLV_NULL and TLV_TERMINATOR always have a length of 1 byte. + * TLV_LOCK_CONTROL and TLV_MEMORY_CONTROL always have a length of 3 bytes. + * + * @param[in] p_block_to_check Pointer to the structure that contains the TLV block length. + * + * @retval TRUE If the length is correct. + * @retval FALSE Otherwise. + * + */ +static bool tlv_block_is_data_length_correct(tlv_block_t * p_block_to_check) +{ + switch (p_block_to_check->tag) + { + case TLV_NULL: + case TLV_TERMINATOR: + if (p_block_to_check->length != TLV_NULL_TERMINATOR_LEN) + { + return false; + } + break; + + case TLV_LOCK_CONTROL: + case TLV_MEMORY_CONTROL: + if (p_block_to_check->length != TLV_LOCK_MEMORY_CTRL_LEN) + { + return false; + } + break; + + case TLV_NDEF_MESSAGE: + case TLV_PROPRIETARY: + default: + // Any length will do. + break; + } + + return true; +} + +/** + * @brief Function for checking if the end of the tag data area was reached. + * + * @param[in] p_type_2_tag Pointer to the structure that contains the data area size. + * @param[in] offset Current byte offset. + * + * @retval TRUE If the offset indicates the end of the data area. + * @retval FALSE Otherwise. + * + */ +static bool type_2_tag_is_end_reached(type_2_tag_t * p_type_2_tag, uint16_t offset) +{ + return offset == (p_type_2_tag->cc.data_area_size + T2T_FIRST_DATA_BLOCK_OFFSET); +} + + +/** + * @brief Function for checking if version of Type 2 Tag specification read from a tag is supported. + * + * @param[in] p_type_2_tag Pointer to the structure that contains the tag version. + * + * @retval TRUE If the version is supported and tag data can be parsed. + * @retval FALSE Otherwise. + * + */ +static bool type_2_tag_is_version_supported(type_2_tag_t * p_type_2_tag) +{ + // Simple check atm, as only 1 major version has been issued so far, so no backward compatibility + // is needed, tags with newer version implemented shall be rejected according to the doc. + return p_type_2_tag->cc.major_version == T2T_SUPPORTED_MAJOR_VERSION; +} + + +/** + * @brief Function for checking if the field fits into the data area specified in + * the Capability Container. + * + * @param[in] p_type_2_tag Pointer to the structure that contains the data area size. + * @param[in] offset As Offset of the field to check. + * @param[in] field_length Length of the field to check. + * + * @retval TRUE If the field fits into the data area. + * @retval FALSE If the field exceeds the data area. + * + */ +static bool type_2_tag_is_field_within_data_range(type_2_tag_t * p_type_2_tag, + uint16_t offset, + uint16_t field_length) +{ + // Invalid argument, return false. + if (field_length == 0) + { + return false; + } + return ( (offset + field_length - 1) < + (p_type_2_tag->cc.data_area_size + T2T_FIRST_DATA_BLOCK_OFFSET) ) + && ( offset >= T2T_FIRST_DATA_BLOCK_OFFSET ); +} + + +/** + * @brief Function for reading the tag field of a TLV block from the p_raw_data buffer. + * + * This function reads the tag field containing a TLV block type and inserts its value into + * a structure pointed by the p_tlv_buf pointer. + * + * @param[in] p_type_2_tag Pointer to the structure that contains Type 2 Tag data parsed so far. + * @param[in] p_raw_data Pointer to the buffer with a raw data from the tag. + * @param[in,out] p_t_offset As input: offset of the tag field to read. As output: offset of + * the first byte after the tag field. + * @param[out] p_tlv_buf Pointer to a @ref tlv_block_t structure where the tag type will be + * inserted. + * + * @retval NRF_SUCCESS If the tag field at specified offset is correct. + * @retval NRF_ERROR_INVALID_DATA If the tag field at specified offset exceeds the data + * area specified in the Capability Container. + * + */ +static ret_code_t type_2_tag_type_extract(type_2_tag_t * p_type_2_tag, + uint8_t * p_raw_data, + uint16_t * p_t_offset, + tlv_block_t * p_tlv_buf) +{ + if (!type_2_tag_is_field_within_data_range(p_type_2_tag, *p_t_offset, TLV_T_LENGTH)) + { + return NRF_ERROR_INVALID_DATA; + } + + p_tlv_buf->tag = p_raw_data[*p_t_offset]; + *p_t_offset += TLV_T_LENGTH; + + return NRF_SUCCESS; +} + + +/** + * @brief Function for reading the length field of a TLV block from the p_raw_data buffer. + * + * This function reads the length field of a TLV block and inserts its value into a structure + * pointed by the p_tlv_buf pointer. + * + * @param[in] p_type_2_tag Pointer to the structure that contains Type 2 Tag data parsed so far. + * @param[in] p_raw_data Pointer to the buffer with a raw data from the tag. + * @param[in,out] p_l_offset As input: offset of the length field to read. As output: offset of + * the first byte after the length field. + * @param[out] p_tlv_buf Pointer to a @ref tlv_block_t structure where the length will be + * inserted. + * + * @retval NRF_SUCCESS If the length field at specified offset is correct. + * @retval NRF_ERROR_INVALID_DATA If the length field at specified offset exceeds the data + * area specified in the Capability Container or has + * incorrect format. + * + */ +static ret_code_t type_2_tag_length_extract(type_2_tag_t * p_type_2_tag, + uint8_t * p_raw_data, + uint16_t * p_l_offset, + tlv_block_t * p_tlv_buf) +{ + uint16_t length; + + if (!type_2_tag_is_field_within_data_range(p_type_2_tag, *p_l_offset, TLV_L_SHORT_LENGTH)) + { + return NRF_ERROR_INVALID_DATA; + } + + length = p_raw_data[*p_l_offset]; + + if (length == TLV_L_FORMAT_FLAG) + { + // Check another two bytes. + if (!type_2_tag_is_field_within_data_range(p_type_2_tag, *p_l_offset, TLV_L_LONG_LENGTH)) + { + return NRF_ERROR_INVALID_DATA; + } + + length = uint16_big_decode(&p_raw_data[*p_l_offset + 1]); + + // Long length value cannot be lower than 0xFF. + if (length < 0xFF) + { + return NRF_ERROR_INVALID_DATA; + } + + p_tlv_buf->length = length; + *p_l_offset += TLV_L_LONG_LENGTH; + + } + else + { + p_tlv_buf->length = length; + *p_l_offset += TLV_L_SHORT_LENGTH; + } + + return NRF_SUCCESS; +} + + +/** + * @brief Function for reading a pointer to the value field of a TLV block from the p_raw_data buffer. + * + * This function reads a pointer to the value field of a TLV block and inserts it into + * a structure pointed by the p_tlv_buf pointer. If there is no value field present in the + * TLV block, NULL is inserted. + * + * @param[in] p_type_2_tag Pointer to the structure that contains Type 2 Tag data parsed so far. + * @param[in] p_raw_data Pointer to the buffer with a raw data from the tag. + * @param[in,out] p_v_offset As input: offset of the value field to read. As output: offset of + * the first byte after the value field. + * @param[in,out] p_tlv_buf Pointer to a @ref tlv_block_t structure where the value field + * pointer will be inserted. + * + * @retval NRF_SUCCESS If the value field at specified offset is correct. + * @retval NRF_ERROR_INVALID_DATA If the value field at specified offset exceeds the data + * area specified in the Capability Container. + * + */ +static ret_code_t type_2_tag_value_ptr_extract(type_2_tag_t * p_type_2_tag, + uint8_t * p_raw_data, + uint16_t * p_v_offset, + tlv_block_t * p_tlv_buf) +{ + if (p_tlv_buf->length == 0) + { + // Clear the value pointer, don't touch the offset. + p_tlv_buf->p_value = NULL; + } + else + { + if (!type_2_tag_is_field_within_data_range(p_type_2_tag, *p_v_offset, p_tlv_buf->length)) + { + return NRF_ERROR_INVALID_DATA; + } + + p_tlv_buf->p_value = p_raw_data + *p_v_offset; + *p_v_offset += p_tlv_buf->length; + } + + return NRF_SUCCESS; +} + + +/** + * @brief Function for reading a single TLV block from the p_raw_data buffer. + * + * This function reads a single TLV block from the p_raw_data buffer and stores its contents in a + * structure pointed by the p_tlv_buf. + * + * @param[in] p_type_2_tag Pointer to the structure that contains Type 2 Tag data parsed so far. + * @param[in] p_raw_data Pointer to the buffer with a raw data from the tag. + * @param[in,out] p_tlv_offset As input: offset of the TLV block to read. As output: offset of the + * next TLV block, 0 if it was the last block. + * @param[out] p_tlv_buf Pointer to a @ref tlv_block_t structure that will be filled with + * the data read. + * + * @retval NRF_SUCCESS If the parsing operation of the block succeeded. Otherwise, an error + * code is returned. + * + */ +static ret_code_t type_2_tag_tlv_block_extract(type_2_tag_t * p_type_2_tag, + uint8_t * p_raw_data, + uint16_t * p_offset, + tlv_block_t * p_tlv_buf) +{ + ret_code_t err_code; + memset(p_tlv_buf, 0, sizeof(tlv_block_t)); + + // TLV Tag field. + err_code = type_2_tag_type_extract(p_type_2_tag, p_raw_data, p_offset, p_tlv_buf); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + // Further processing depends on tag field value. + switch (p_tlv_buf->tag) + { + case TLV_NULL: + // Simply ignore NULL blocks, leave the incremented offset. + break; + + case TLV_TERMINATOR: + // Write 0 to the offset variable, indicating that last TLV block was found. + *p_offset = 0; + break; + + case TLV_LOCK_CONTROL: + case TLV_MEMORY_CONTROL: + case TLV_NDEF_MESSAGE: + case TLV_PROPRIETARY: + default: + // Unknown blocks should also be extracted. + err_code = type_2_tag_length_extract(p_type_2_tag, p_raw_data, p_offset, p_tlv_buf); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + if (p_tlv_buf->length > 0) + { + err_code = type_2_tag_value_ptr_extract(p_type_2_tag, p_raw_data, p_offset, p_tlv_buf); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + } + + break; + } + + return NRF_SUCCESS; +} + + +/** + * @brief Function for checking the checksum bytes of the UID stored in internal area. + * + * This function calculates the block check character (BCC) bytes based on the parsed serial number + * and compares them with bytes read from the Type 2 Tag. + * + * @param[in] p_sn Pointer to the @ref type_2_tag_serial_number_t structure to check. + * + * @retval TRUE If the calculated BCC matched the BCC from the tag. + * @retval FALSE Otherwise. + * + */ +static bool type_2_tag_is_bcc_correct(type_2_tag_serial_number_t * p_sn) +{ + uint8_t bcc1 = (uint8_t)T2T_UID_BCC_CASCADE_BYTE ^ + (uint8_t)p_sn->manufacturer_id ^ + (uint8_t)((p_sn->serial_number_part_1 >> 8) & 0xFF) ^ + (uint8_t)(p_sn->serial_number_part_1 & 0xFF); + + uint8_t bcc2 = (uint8_t)((p_sn->serial_number_part_2 >> 24) & 0xFF) ^ + (uint8_t)((p_sn->serial_number_part_2 >> 16) & 0xFF) ^ + (uint8_t)((p_sn->serial_number_part_2 >> 8) & 0xFF) ^ + (uint8_t)( p_sn->serial_number_part_2 & 0xFF); + + return (bcc1 == p_sn->check_byte_0) && (bcc2 == p_sn->check_byte_1); +} + + +/** + * @brief Function for parsing an internal area of a Type 2 Tag. + * + * This function reads data from an internal area in the raw data buffer and fills the + * @ref type_2_tag_serial_number_t structure within @ref type_2_tag_t. + * + * @param[in,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. + * + * @retval NRF_SUCCESS If the parsing operation of the internal area succeeded. + * Otherwise, an error code is returned. + * + */ +static ret_code_t type_2_tag_internal_parse(type_2_tag_t * p_type_2_tag, uint8_t * p_raw_data) +{ + p_type_2_tag->sn.manufacturer_id = p_raw_data[0]; + p_type_2_tag->sn.serial_number_part_1 = uint16_big_decode(&p_raw_data[1]); + p_type_2_tag->sn.check_byte_0 = p_raw_data[3]; + p_type_2_tag->sn.serial_number_part_2 = uint32_big_decode(&p_raw_data[4]); + p_type_2_tag->sn.check_byte_1 = p_raw_data[8]; + p_type_2_tag->sn.internal = p_raw_data[9]; + + p_type_2_tag->lock_bytes = uint16_big_decode(&p_raw_data[10]); + + if (!type_2_tag_is_bcc_correct(&p_type_2_tag->sn)) + { + NRF_LOG_WARNING("Warning! BCC of the serial number is not correct!"); + } + + return NRF_SUCCESS; +} + + +/** + * @brief Function for parsing a Capabiliy Container area of a Type 2 Tag. + * + * This function reads data from a Capability Container area in the raw data buffer and fills the + * @ref type_2_tag_capability_container_t structure within @ref type_2_tag_t. + * + * @param[in,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. + * + * @retval NRF_SUCCESS If the parsing operation of the Capability Container succeeded. + * Otherwise, an error code is returned. + * + */ +static ret_code_t type_2_tag_cc_parse(type_2_tag_t * p_type_2_tag, uint8_t * p_raw_data) +{ + uint8_t * p_cc_block = p_raw_data + T2T_CC_BLOCK_OFFSET; + + if (p_cc_block[0] != T2T_NFC_FORUM_DEFINED_DATA) + { + return NRF_ERROR_INVALID_DATA; + } + + p_type_2_tag->cc.major_version = MSN_GET(p_cc_block[1]); + p_type_2_tag->cc.minor_version = LSN_GET(p_cc_block[1]); + p_type_2_tag->cc.data_area_size = p_cc_block[2] * 8; + p_type_2_tag->cc.read_access = MSN_GET(p_cc_block[3]); + p_type_2_tag->cc.write_access = LSN_GET(p_cc_block[3]); + + return NRF_SUCCESS; +} + + +/** + * @brief Function for parsing a single TLV block. + * + * This function reads a single TLV block from the raw data buffer, from the position indicated by + * the p_tlv_offset, and adds it to the @ref type_2_tag_t structure. + * + * @param[in,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. + * @param[in,out] p_tlv_offset As input: offset of the TLV block to parse. As output: offset of the + * next TLV block, 0 if it was the last block. + * + * @retval NRF_SUCCESS If the parsing operation of the block succeeded. Otherwise, an error + * code is returned. + * + */ +static ret_code_t type_2_tag_tlv_parse(type_2_tag_t * p_type_2_tag, + uint8_t * p_raw_data, + uint16_t * p_tlv_offset) +{ + ret_code_t err_code; + tlv_block_t new_block; + + // Get tag field. + err_code = type_2_tag_tlv_block_extract(p_type_2_tag, p_raw_data, p_tlv_offset, &new_block); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + if (!tlv_block_is_data_length_correct(&new_block)) + { + return NRF_ERROR_INVALID_DATA; + } + + // Further action depends on tag type. + switch (new_block.tag) + { + case TLV_NULL: + case TLV_TERMINATOR: + // Ignore them. + break; + + case TLV_LOCK_CONTROL: + case TLV_MEMORY_CONTROL: + case TLV_NDEF_MESSAGE: + case TLV_PROPRIETARY: + default: + // Unknown tag types are also added. + err_code = type_2_tag_tlv_block_insert(p_type_2_tag, &new_block); + if (err_code != NRF_SUCCESS) + { + NRF_LOG_WARNING("Warning! Not enough memory to insert all of the blocks!"); + return err_code; + } + break; + } + + return NRF_SUCCESS; +} + + +void type_2_tag_clear(type_2_tag_t * p_type_2_tag) +{ + p_type_2_tag->tlv_count = 0; + memset(&p_type_2_tag->cc, 0, sizeof(p_type_2_tag->cc)); + memset(&p_type_2_tag->sn, 0, sizeof(p_type_2_tag->sn)); +} + + +ret_code_t type_2_tag_parse(type_2_tag_t * p_type_2_tag, uint8_t * p_raw_data) +{ + ret_code_t err_code; + + type_2_tag_clear(p_type_2_tag); + + err_code = type_2_tag_internal_parse(p_type_2_tag, p_raw_data); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + err_code = type_2_tag_cc_parse(p_type_2_tag, p_raw_data); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + if (!type_2_tag_is_version_supported(p_type_2_tag)) + { + return NRF_ERROR_NOT_SUPPORTED; + } + + uint16_t offset = T2T_FIRST_DATA_BLOCK_OFFSET; + + while (offset > 0) + { + // Check if end of tag is reached (no terminator block was present). + if (type_2_tag_is_end_reached(p_type_2_tag, offset)) + { + NRF_LOG_DEBUG("No terminator block was found in the tag!"); + break; + } + + err_code = type_2_tag_tlv_parse(p_type_2_tag, p_raw_data, &offset); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + } + + return NRF_SUCCESS; +} + + +void type_2_tag_printout(type_2_tag_t * p_type_2_tag) +{ + uint32_t i; + NRF_LOG_INFO("Type 2 Tag contents:"); + NRF_LOG_INFO("Number of TLV blocks: %d", p_type_2_tag->tlv_count); + + NRF_LOG_DEBUG("Internal data:"); + NRF_LOG_DEBUG(" Manufacturer ID: 0x%02x", p_type_2_tag->sn.manufacturer_id); + NRF_LOG_DEBUG(" Serial number part 1: 0x%04x", p_type_2_tag->sn.serial_number_part_1); + NRF_LOG_DEBUG(" Check byte 0: 0x%02x", p_type_2_tag->sn.check_byte_0); + NRF_LOG_DEBUG(" Serial number part 2: 0x%08lx", p_type_2_tag->sn.serial_number_part_2); + NRF_LOG_DEBUG(" Check byte 1: 0x%02x", p_type_2_tag->sn.check_byte_1); + NRF_LOG_DEBUG(" Internal byte: 0x%02x", p_type_2_tag->sn.internal); + NRF_LOG_DEBUG(" Lock bytes: 0x%04x", p_type_2_tag->lock_bytes); + + NRF_LOG_DEBUG("Capability Container data:"); + NRF_LOG_DEBUG(" Major version number: %d", p_type_2_tag->cc.major_version); + NRF_LOG_DEBUG(" Minor version number: %d", p_type_2_tag->cc.minor_version); + NRF_LOG_DEBUG(" Data area size: %d", p_type_2_tag->cc.data_area_size); + NRF_LOG_DEBUG(" Read access: 0x%02X", p_type_2_tag->cc.read_access); + NRF_LOG_DEBUG(" Write access: 0x%02X", p_type_2_tag->cc.write_access); + + for (i = 0; i < p_type_2_tag->tlv_count; i++) + { + NRF_LOG_INFO("TLV block 0x%02X: ", p_type_2_tag->p_tlv_block_array[i].tag); + switch (p_type_2_tag->p_tlv_block_array[i].tag) + { + case TLV_LOCK_CONTROL: + NRF_LOG_INFO("Lock Control"); + break; + case TLV_MEMORY_CONTROL: + NRF_LOG_INFO("Memory Control"); + break; + case TLV_NDEF_MESSAGE: + NRF_LOG_INFO("NDEF Message"); + break; + case TLV_PROPRIETARY: + NRF_LOG_INFO("Proprietary"); + break; + case TLV_NULL: + NRF_LOG_INFO("Null\r\n"); + break; + case TLV_TERMINATOR: + NRF_LOG_INFO("Terminator"); + break; + default: + NRF_LOG_INFO("Unknown"); + break; + } + + NRF_LOG_INFO(" Data length: %d", p_type_2_tag->p_tlv_block_array[i].length); + + if (p_type_2_tag->p_tlv_block_array[i].length > 0) + { + NRF_LOG_DEBUG(" Data:"); + NRF_LOG_HEXDUMP_DEBUG(p_type_2_tag->p_tlv_block_array[i].p_value, + p_type_2_tag->p_tlv_block_array[i].length); + } + } +} + +#endif // NRF_MODULE_ENABLED(NFC_T2T_PARSER) |