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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_TEXT_REC_H__ #define NFC_TEXT_REC_H__ /**@file * * @defgroup nfc_text_rec Text records * @{ * @ingroup nfc_ndef_messages * * @brief Generation of NFC NDEF Text record descriptions. * */ #include "nfc_ndef_record.h" #ifdef __cplusplus extern "C" { #endif /** * @brief Type of the Unicode Transformation Format. * * Values to specify the type of UTF for an NFC NDEF Text record. */ typedef enum { UTF_8 = 0, ///< Unicode Transformation Format 8. UTF_16 = 1, ///< Unicode Transformation Format 16. } nfc_text_rec_utf_type_t; /** * @brief Text record payload descriptor. */ typedef struct { nfc_text_rec_utf_type_t utf; ///< Type of the Unicode Transformation Format. uint8_t const * p_lang_code; ///< Pointer to the IANA language code. uint8_t lang_code_len; ///< Length of the IANA language code. uint8_t const * p_data; ///< Pointer to the user text. uint32_t data_len; ///< Length of the user text. } nfc_text_rec_payload_desc_t; /** * @brief Constructor for an NFC NDEF Text record payload. * * @param[in] p_nfc_rec_text_payload_desc Pointer to the Text record description. * @param[out] p_buff Pointer to the payload destination. If NULL, function will * calculate the expected size of the Text record payload. * * @param[in,out] p_len Size of the available memory to write as input. * Size of the generated record payload as output. */ 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); /** * @brief External reference to the type field of the Text record, defined in the * file @c nfc_text_rec.c. It is used in the @ref NFC_NDEF_TEXT_RECORD_DESC_DEF macro. */ extern const uint8_t nfc_text_rec_type_field[]; /** * @brief Size of the type field of the Text record, defined in the * file @c nfc_text_rec.c. It is used in the @ref NFC_NDEF_TEXT_RECORD_DESC_DEF macro. */ #define NFC_TEXT_REC_TYPE_LENGTH 1 /** *@brief Macro for creating and initializing an NFC NDEF record descriptor for a Text record. * * This macro creates and initializes an instance of type @ref nfc_ndef_record_desc_t and * an instance of type @ref nfc_text_rec_payload_desc_t, which together constitute * an instance of a Text record. * * Use the macro @ref NFC_NDEF_TEXT_RECORD_DESC to access the NDEF Text record descriptor instance. * * @param[in] NAME Name of the created record descriptor instance. * @param[in] UTF Unicode Transformation Format. * @param[in] P_LANG_CODE Pointer to the IANA language code. * @param[in] LANG_CODE_LEN Length of the IANA language code. * @param[in] P_DATA Pointer to the user text. * @param[in] DATA_LEN Length of the user text. */ #define NFC_NDEF_TEXT_RECORD_DESC_DEF(NAME, \ UTF, \ P_LANG_CODE, \ LANG_CODE_LEN, \ P_DATA, \ DATA_LEN) \ nfc_text_rec_payload_desc_t NAME##_nfc_text_rec_payload_desc = \ { \ .utf = UTF, \ .p_lang_code = P_LANG_CODE, \ .lang_code_len = LANG_CODE_LEN, \ .p_data = P_DATA, \ .data_len = DATA_LEN, \ }; \ NFC_NDEF_GENERIC_RECORD_DESC_DEF(NAME, \ TNF_WELL_KNOWN, \ 0, \ 0, \ nfc_text_rec_type_field, \ NFC_TEXT_REC_TYPE_LENGTH, \ nfc_text_rec_payload_constructor, \ &(NAME##_nfc_text_rec_payload_desc)) /** * @brief Macro for accessing the NFC NDEF Text record descriptor * instance that was created with @ref NFC_NDEF_TEXT_RECORD_DESC_DEF. */ #define NFC_NDEF_TEXT_RECORD_DESC(NAME) NFC_NDEF_GENERIC_RECORD_DESC(NAME) /** @} */ #ifdef __cplusplus } #endif #endif // NFC_TEXT_REC_H__