diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/text/nfc_text_rec.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/text/nfc_text_rec.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/text/nfc_text_rec.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/text/nfc_text_rec.c new file mode 100644 index 0000000..c420039 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/nfc/ndef/text/nfc_text_rec.c @@ -0,0 +1,107 @@ +/** + * 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_NDEF_TEXT_RECORD) + +#include <string.h> +#include "nfc_text_rec.h" +#include "nrf_error.h" + +#define TEXT_REC_STATUS_SIZE 1 ///< Size of the status. +#define TEXT_REC_STATUS_UTF_POS 7 ///< Position of a character encoding type. +#define TEXT_REC_RESERVED_POS 6 ///< Reserved position. + +const uint8_t nfc_text_rec_type_field[] = {'T'}; + + +/** + * @brief Function for calculating payload size. + */ +__STATIC_INLINE uint32_t nfc_text_rec_payload_size_get(nfc_text_rec_payload_desc_t * p_nfc_rec_text_payload_desc) +{ + return (TEXT_REC_STATUS_SIZE + + p_nfc_rec_text_payload_desc->lang_code_len + + p_nfc_rec_text_payload_desc->data_len); +} + +ret_code_t nfc_text_rec_payload_constructor(nfc_text_rec_payload_desc_t * p_nfc_rec_text_payload_desc, + uint8_t * p_buff, + uint32_t * p_len) +{ + if ((p_nfc_rec_text_payload_desc->lang_code_len == 0) + || (p_nfc_rec_text_payload_desc->lang_code_len & (1 << TEXT_REC_RESERVED_POS)) + || (p_nfc_rec_text_payload_desc->lang_code_len & (1 << TEXT_REC_STATUS_UTF_POS)) + || (p_nfc_rec_text_payload_desc->p_lang_code == NULL) + || (p_nfc_rec_text_payload_desc->data_len == 0) + || (p_nfc_rec_text_payload_desc->p_data == NULL) + || (p_len == NULL)) + { + return NRF_ERROR_INVALID_PARAM; + } + + uint32_t payload_size = nfc_text_rec_payload_size_get(p_nfc_rec_text_payload_desc); + + if (p_buff != NULL) + { + if (payload_size > *p_len) + { + return NRF_ERROR_NO_MEM; + } + + *p_buff = (p_nfc_rec_text_payload_desc->lang_code_len + + (p_nfc_rec_text_payload_desc->utf << TEXT_REC_STATUS_UTF_POS)); + p_buff += TEXT_REC_STATUS_SIZE; + + memcpy(p_buff, + p_nfc_rec_text_payload_desc->p_lang_code, + p_nfc_rec_text_payload_desc->lang_code_len); + p_buff += p_nfc_rec_text_payload_desc->lang_code_len; + + memcpy(p_buff, + p_nfc_rec_text_payload_desc->p_data, + p_nfc_rec_text_payload_desc->data_len); + } + + *p_len = payload_size; + + return NRF_SUCCESS; +} + +#endif // NRF_MODULE_ENABLED(NFC_NDEF_TEXT_RECORD) |