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Diff: lib_NDEF_Text.h
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- 0:de13951f30f6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lib_NDEF_Text.h Thu Nov 14 10:34:11 2019 +0000 @@ -0,0 +1,70 @@ +/** + ****************************************************************************** + * @file lib_NDEF_Text.h + * @author MMY Application Team + * @version $Revision: 3210 $ + * @date $Date: 2016-12-05 15:37:48 +0100 (Mon, 05 Dec 2016) $ + * @brief This file help to manage Text NDEF file. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2015 STMicroelectronics</center></h2> + * + * Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/myliberty + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, + * AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __LIB_NDEF_TEXT_H +#define __LIB_NDEF_TEXT_H + +/* Includes ------------------------------------------------------------------*/ +#include "lib_NDEF.h" + +/** @brief NDEF Text buffer length. */ +#define NDEF_TEXT_MAX_LENGTH 40 +/** @brief NDEF Language code buffer length. */ +#define NDEF_TEXT_LANGUAGE_CODE_MAX_LENGTH 10 + +/** @brief NDEF Text encoding possible values. */ +typedef enum { + NDEF_TEXT_UTF8 = 0, + NDEF_TEXT_UTF16 = 1 +} NDEF_Text_encoding_t; + +/** @brief This structure is used to handle information from a NDEF Text record. */ +typedef struct { + NDEF_Text_encoding_t encoding; /**< metadata: UTF-8 / UTF-16. */ + char language_code[NDEF_TEXT_LANGUAGE_CODE_MAX_LENGTH]; /**< metadata: Language code as specified by IANA. */ + char text[NDEF_TEXT_MAX_LENGTH]; /**< The text itself. */ +} NDEF_Text_info_t; + + +/** @brief This structure is used to parse the raw data from a text record and access its metadata. */ +typedef struct { + uint8_t language_length:4; /**< Language code length. */ + uint8_t rfu:3; /**< reserved for futur usage */ + uint8_t encoding:1; /**< UTF-8 (0) or UTF-16 (1) encoding. */ + char language[1]; /**< IANA language code. */ +} NDEF_Text_metadata_t; + +uint16_t NDEF_WriteText( char *text, I2C * mi2cChannel ); +uint16_t NDEF_ReadText( sRecordInfo_t *pRecordStruct, NDEF_Text_info_t *pText ); + + +#endif /* __LIB_NDEF_TEXT_H */ + +/******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/