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- #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
- #define TEXT_REC_STATUS_UTF_POS 7
- #define TEXT_REC_RESERVED_POS 6
- const uint8_t nfc_text_rec_type_field[] = {'T'};
- __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
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