diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/parser/record/nfc_ndef_record_parser.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/parser/record/nfc_ndef_record_parser.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/parser/record/nfc_ndef_record_parser.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/parser/record/nfc_ndef_record_parser.c new file mode 100644 index 0000000..30376da --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/parser/record/nfc_ndef_record_parser.c @@ -0,0 +1,219 @@ +/** + * Copyright (c) 2016 - 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_NDEF_RECORD_PARSER) + +#include <stdint.h> +#include <stdbool.h> +#include "nfc_ndef_record_parser.h" +#include "app_util.h" +#include "nordic_common.h" +#include "nrf_delay.h" + +#define NRF_LOG_MODULE_NAME nfc_ndef_parser +#if NFC_NDEF_RECORD_PARSER_LOG_ENABLED +#define NRF_LOG_LEVEL NFC_NDEF_RECORD_PARSER_LOG_LEVEL +#define NRF_LOG_INFO_COLOR NFC_NDEF_RECORD_PARSER_INFO_COLOR +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); +#else // NFC_NDEF_RECORD_PARSER_LOG_ENABLED +#define NRF_LOG_LEVEL 0 +#include "nrf_log.h" +#endif // NFC_NDEF_RECORD_PARSER_LOG_ENABLED + +/* Sum of sizes of fields: TNF-flags, Type Length, Payload Length in short NDEF record. */ +#define NDEF_RECORD_BASE_LONG_SHORT (2 + NDEF_RECORD_PAYLOAD_LEN_SHORT_SIZE) + + +ret_code_t ndef_record_parser(nfc_ndef_bin_payload_desc_t * p_bin_pay_desc, + nfc_ndef_record_desc_t * p_rec_desc, + nfc_ndef_record_location_t * p_record_location, + uint8_t const * p_nfc_data, + uint32_t * p_nfc_data_len) +{ + uint32_t expected_rec_size = NDEF_RECORD_BASE_LONG_SHORT; + + if (expected_rec_size > *p_nfc_data_len) + { + return NRF_ERROR_INVALID_LENGTH; + } + + p_rec_desc->tnf = (nfc_ndef_record_tnf_t) ((*p_nfc_data) & NDEF_RECORD_TNF_MASK); + + /* An NDEF parser that receives an NDEF record with an unknown or unsupported TNF field value + SHOULD treat it as Unknown. See NFCForum-TS-NDEF_1.0 */ + if (p_rec_desc->tnf == TNF_RESERVED) + { + p_rec_desc->tnf = TNF_UNKNOWN_TYPE; + } + + *p_record_location = (nfc_ndef_record_location_t) ((*p_nfc_data) & NDEF_RECORD_LOCATION_MASK); + + uint8_t flags = *(p_nfc_data++); + + p_rec_desc->type_length = *(p_nfc_data++); + + uint32_t payload_lenght; + + if (flags & NDEF_RECORD_SR_MASK) + { + payload_lenght = *(p_nfc_data++); + } + else + { + expected_rec_size += + NDEF_RECORD_PAYLOAD_LEN_LONG_SIZE - NDEF_RECORD_PAYLOAD_LEN_SHORT_SIZE; + + if (expected_rec_size > *p_nfc_data_len) + { + return NRF_ERROR_INVALID_LENGTH; + } + + payload_lenght = uint32_big_decode(p_nfc_data); + p_nfc_data += NDEF_RECORD_PAYLOAD_LEN_LONG_SIZE; + } + + if (flags & NDEF_RECORD_IL_MASK) + { + expected_rec_size += NDEF_RECORD_ID_LEN_SIZE; + + if (expected_rec_size > *p_nfc_data_len) + { + return NRF_ERROR_INVALID_LENGTH; + } + + p_rec_desc->id_length = *(p_nfc_data++); + } + else + { + p_rec_desc->id_length = 0; + p_rec_desc->p_id = NULL; + } + + expected_rec_size += p_rec_desc->type_length + p_rec_desc->id_length + payload_lenght; + + if (expected_rec_size > *p_nfc_data_len) + { + return NRF_ERROR_INVALID_LENGTH; + } + + if (p_rec_desc->type_length > 0) + { + p_rec_desc->p_type = p_nfc_data; + + p_nfc_data += p_rec_desc->type_length; + } + else + { + p_rec_desc->p_type = NULL; + } + + if (p_rec_desc->id_length > 0) + { + p_rec_desc->p_id = p_nfc_data; + + p_nfc_data += p_rec_desc->id_length; + } + + if (payload_lenght == 0) + { + p_bin_pay_desc->p_payload = NULL; + } + else + { + p_bin_pay_desc->p_payload = p_nfc_data; + } + + p_bin_pay_desc->payload_length = payload_lenght; + + p_rec_desc->p_payload_descriptor = p_bin_pay_desc; + p_rec_desc->payload_constructor = (p_payload_constructor_t) nfc_ndef_bin_payload_memcopy; + + *p_nfc_data_len = expected_rec_size; + + return NRF_SUCCESS; +} + +char const * const tnf_strings[] = +{ + "Empty", + "NFC Forum well-known type", + "Media-type (RFC 2046)", + "Absolute URI (RFC 3986)", + "NFC Forum external type (NFC RTD)", + "Unknown", + "Unchanged", + "Reserved" +}; + +void ndef_record_printout(uint32_t num, nfc_ndef_record_desc_t * const p_rec_desc) +{ + NRF_LOG_INFO("NDEF record %d content:", num); + NRF_LOG_INFO("TNF: %s",(uint32_t)tnf_strings[p_rec_desc->tnf]); + + if (p_rec_desc->p_id != NULL) + { + NRF_LOG_INFO("ID:"); + NRF_LOG_HEXDUMP_INFO((uint8_t *)p_rec_desc->p_id, p_rec_desc->id_length); + } + + if (p_rec_desc->p_type != NULL) + { + NRF_LOG_INFO("type:"); + NRF_LOG_HEXDUMP_INFO((uint8_t *)p_rec_desc->p_type, p_rec_desc->type_length); + } + + if (p_rec_desc->payload_constructor == (p_payload_constructor_t) nfc_ndef_bin_payload_memcopy) + { + nfc_ndef_bin_payload_desc_t * p_bin_pay_desc = p_rec_desc->p_payload_descriptor; + + if (p_bin_pay_desc->p_payload != NULL) + { + NRF_LOG_INFO("Payload length: %d bytes", p_bin_pay_desc->payload_length); + NRF_LOG_HEXDUMP_DEBUG((uint8_t *)p_bin_pay_desc->p_payload, p_bin_pay_desc->payload_length); + } + else + { + NRF_LOG_INFO("No payload"); + } + } +} + +#endif // NRF_MODULE_ENABLED(NFC_NDEF_RECORD_PARSER) |