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Diff: lib_NDEF_SMS.cpp
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diff -r 000000000000 -r de13951f30f6 lib_NDEF_SMS.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lib_NDEF_SMS.cpp Thu Nov 14 10:34:11 2019 +0000 @@ -0,0 +1,370 @@ +/** + ****************************************************************************** + * @file lib_NDEF_SMS.c + * @author MMY Application Team + * @version $Revision: 2702 $ + * @date $Date: 2016-07-13 18:45:05 +0200 (Wed, 13 Jul 2016) $ + * @brief This file help to manage NDEF file that represent SMS. + ****************************************************************************** + * @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. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "lib_NDEF_SMS.h" + + +/** @addtogroup NFC_libraries + * @{ + * @brief <b>This is the library used to manage the content of the TAG (data) + * But also the specific feature of the tag, for instance + * password, gpo... </b> + */ + + +/** @addtogroup libNFC_FORUM + * @{ + * @brief This part of the library manage data which follow NFC forum organisation. + */ + +/** + * @brief This buffer contains the data send/received by TAG + */ +extern uint8_t NDEF_Buffer []; + +/** @defgroup libSMS_Private_Functions + * @{ + */ + +static void NDEF_FillSMSStruct( uint8_t* pPayload, uint32_t PayloadSize, sSMSInfo *pSMSStruct ); +static void NDEF_ReadURI_SMS( sRecordInfo_t *pRecordStruct, sSMSInfo *pSMSStruct ); + +/** + * @brief This function fill SMS structure with information of NDEF message. + * @param pPayload : pointer on the payload data of the NDEF message. + * @param PayloadSize : number of data in the payload. + * @param pSMSStruct : pointer on the structure to fill. + */ +static void NDEF_FillSMSStruct( uint8_t* pPayload, uint32_t PayloadSize, sSMSInfo *pSMSStruct ) +{ + uint8_t* pLastByteAdd, *pLook4Word, *pEndString; + char* pKeyWord; + uint32_t SizeOfKeyWord; + pEndString = 0; + + pKeyWord = SMS_TYPE_STRING; + SizeOfKeyWord = SMS_TYPE_STRING_LENGTH; + + /* First character force to NULL in case not matching found */ + *pSMSStruct->PhoneNumber = 0; + *pSMSStruct->Message = 0; + + /* Interesting information are stored before picture if any */ + /* Moreover picture is not used in this demonstration SW */ + pLastByteAdd = (uint8_t*)(pPayload + PayloadSize); + + pLook4Word = pPayload; + while( memcmp( pLook4Word, pKeyWord, SizeOfKeyWord ) && (pLook4Word < pLastByteAdd) ) + { + pLook4Word++; + } + + /* Retrieve phone number */ + if( pLook4Word != pLastByteAdd ) + { + pLook4Word += SizeOfKeyWord; + pEndString = pLook4Word; + while( memcmp( pEndString, URI_FIRST_DATA_END, URI_FIRST_DATA_END_LENGTH ) && (pEndString < pLastByteAdd) ) + { + pEndString++; + } + if( pEndString != pLastByteAdd ) + { + memcpy( pSMSStruct->PhoneNumber, pLook4Word, pEndString-pLook4Word ); + /* add end of string character */ + pSMSStruct->PhoneNumber[pEndString-pLook4Word] = 0; + } + } + pEndString += URI_FIRST_DATA_END_LENGTH; + pLook4Word = pEndString; + + /* check if e-mail subject is present */ + if( !memcmp( pLook4Word, MESSAGE_BEGIN_STRING, MESSAGE_BEGIN_STRING_LENGTH ) ) + { + pEndString += MESSAGE_BEGIN_STRING_LENGTH; + /* Retrieve message */ + memcpy( pSMSStruct->Message, pEndString, PayloadSize - (pEndString - pPayload) ); + /* add end of string character */ + pSMSStruct->Message[PayloadSize-(pEndString-pPayload)] = 0; + } +} + +/** + * @brief This function read the SMS and store data in a structure. + * @param pRecordStruct : Pointer on the record structure. + * @param pSMSStruct : pointer on the structure to fill. + */ +static void NDEF_ReadURI_SMS( sRecordInfo_t *pRecordStruct, sSMSInfo *pSMSStruct ) +{ + uint8_t* pPayload; + uint32_t PayloadSize; + + PayloadSize = pRecordStruct->PayloadLength; + + /* Read record header */ + pPayload = (uint8_t*)(pRecordStruct->PayloadBufferAdd); + + if( pRecordStruct->NDEF_Type == URI_SMS_TYPE ) + NDEF_FillSMSStruct( pPayload , PayloadSize, pSMSStruct ); + +} + +/** + * @} + */ + +/** @defgroup libSMS_Public_Functions + * @{ + * @brief This file is used to manage SMS (stored or loaded in tag) + */ + +/** + * @brief This function read NDEF and retrieve SMS information if any. + * @param pRecordStruct : Pointer on the record structure. + * @param pSMSStruct : pointer on the structure to fill. + * @retval NDEF_OK : SMS information from NDEF have been retrieve. + * @retval NDEF_ERROR : Not able to retrieve SMS information. + */ +uint16_t NDEF_ReadSMS( sRecordInfo_t *pRecordStruct, sSMSInfo *pSMSStruct ) +{ + uint16_t status = NDEF_ERROR; + sRecordInfo_t *pSPRecordStruct; + uint32_t PayloadSize, RecordPosition; + uint8_t* pData; + + if( pRecordStruct->NDEF_Type == URI_SMS_TYPE ) + { + NDEF_ReadURI_SMS( pRecordStruct, pSMSStruct ); + status = NDEF_OK; + } + else if( pRecordStruct->NDEF_Type == SMARTPOSTER_TYPE ) + { + for( RecordPosition = 0; RecordPosition < pRecordStruct->NbOfRecordInSPPayload; RecordPosition++ ) + { + pSPRecordStruct = pRecordStruct->SPRecordStructAdd[RecordPosition]; + if( pSPRecordStruct->NDEF_Type == URI_SMS_TYPE ) + { + NDEF_ReadURI_SMS( pSPRecordStruct, pSMSStruct ); + status = NDEF_OK; + } + if( pSPRecordStruct->NDEF_Type == TEXT_TYPE ) + { + PayloadSize = pSPRecordStruct->PayloadLength; + + /* The instruction content the UTF-8 language code that is not used here */ + pData = (uint8_t*)pSPRecordStruct->PayloadBufferAdd; + PayloadSize -= *pData + 1; /* remove not usefull data */ + pData += *pData + 1; /* set pointer on usefull data */ + + memcpy( pSMSStruct->Information, pData, PayloadSize ); + /* add end of string character */ + pSMSStruct->Information[PayloadSize] = 0; + } + } + } + + return status; +} + +/** + * @brief This function write the NDEF file with the SMS data given in the structure. + * @param pSMSStruct : pointer on structure that contain the SMS information. + * @retval NDEF_OK : NDEF file data written in the tag. + * @retval NDEF_ERROR : not able to store NDEF in tag. + * @retval NDEF_ERROR_MEMORY_INTERNAL : Cannot write to tag. + * @retval NDEF_ERROR_NOT_FORMATED : CCFile data not supported or not present. + * @retval NDEF_ERROR_MEMORY_TAG : Size not compatible with memory. + * @retval NDEF_ERROR_LOCKED : Tag locked, cannot be write. + */ +uint16_t NDEF_WriteSMS( sSMSInfo *pSMSStruct, I2C* mi2cChannel ) +{ + uint16_t status = NDEF_ERROR, Offset = 0; + + NDEF_PrepareSMSMessage( pSMSStruct, NDEF_Buffer, &Offset ); + + status = NfcTag_WriteNDEF( Offset , NDEF_Buffer, mi2cChannel ); + + return status; +} + +/** + * @brief This function write the NDEF file with the SMS data given in the structure. + * @param pSMSStruct : pointer on structure that contain the SMS information. + * @param pNDEFMessage : pointer on the NDEF message. + * @param size : to store the size of the NDEF message generated. + */ +void NDEF_PrepareSMSMessage( sSMSInfo *pSMSStruct, uint8_t *pNDEFMessage, uint16_t *size ) +{ + uint16_t Offset = 0; + uint32_t smsSize = 0; + uint32_t infoSize= 0; + uint32_t totalSize = 0; + + /* SMS is an URI but can be included in a smart poster to add text to give instruction to user for instance */ + + /* SMS (smart poster) Record Header */ +/************************************/ +/* 7 | 6 | 5 | 4 | 3 | 2 1 0 */ +/*----------------------------------*/ +/* MB ME CF SR IL TNF */ /* <---- CF=0, IL=0 and SR=1 TNF=1 NFC Forum Well-known type*/ +/*----------------------------------*/ +/* TYPE LENGTH */ +/*----------------------------------*/ +/* PAYLOAD LENGTH 3 */ /* <---- Used only if SR=0 */ +/*----------------------------------*/ +/* PAYLOAD LENGTH 2 */ /* <---- Used only if SR=0 */ +/*----------------------------------*/ +/* PAYLOAD LENGTH 1 */ /* <---- Used only if SR=0 */ +/*----------------------------------*/ +/* PAYLOAD LENGTH 0 */ +/*----------------------------------*/ +/* ID LENGTH */ /* <---- Not Used */ +/*----------------------------------*/ +/* TYPE */ +/*----------------------------------*/ +/* ID */ /* <---- Not Used */ +/************************************/ + + /* SMS : 1+sms:+tel+1+body=+message */ + smsSize = 1 + SMS_TYPE_STRING_LENGTH + strlen(pSMSStruct->PhoneNumber) + URI_FIRST_DATA_END_LENGTH + + MESSAGE_BEGIN_STRING_LENGTH + strlen(pSMSStruct->Message); + + /* Check if a Smart poster is needed */ + if( pSMSStruct->Information[0] != '\0' ) + { + /* Info : 1+2+info */ + infoSize = 1 + ISO_ENGLISH_CODE_STRING_LENGTH + strlen(pSMSStruct->Information); + /* Total */ + totalSize = 4 + smsSize + 4 + infoSize; + if( smsSize > 255 ) totalSize += 3; /* Normal Email size */ + if( infoSize > 255 ) totalSize += 3; /* Normal Info size */ + + /* SmartPoster header */ + if( totalSize > 255 ) + { + pNDEFMessage[Offset++] = 0xC1; + pNDEFMessage[Offset++] = SMART_POSTER_TYPE_STRING_LENGTH; + pNDEFMessage[Offset++] = (totalSize & 0xFF000000) >> 24; + pNDEFMessage[Offset++] = (totalSize & 0x00FF0000) >> 16; + pNDEFMessage[Offset++] = (totalSize & 0x0000FF00) >> 8; + pNDEFMessage[Offset++] = totalSize & 0x000000FF; + } + else + { + pNDEFMessage[Offset++] = 0xD1; + pNDEFMessage[Offset++] = SMART_POSTER_TYPE_STRING_LENGTH; + pNDEFMessage[Offset++] = (uint8_t)totalSize; + } + memcpy( &pNDEFMessage[Offset], SMART_POSTER_TYPE_STRING, SMART_POSTER_TYPE_STRING_LENGTH ); + Offset += SMART_POSTER_TYPE_STRING_LENGTH; + } + + /* SMS header */ + pNDEFMessage[Offset] = 0x81; + if( smsSize < 256 ) pNDEFMessage[Offset] |= 0x10; // Set the SR bit + if( pSMSStruct->Information[0] == '\0' ) pNDEFMessage[Offset] |= 0x40; // Set the ME bit + Offset++; + + pNDEFMessage[Offset++] = URI_TYPE_STRING_LENGTH; + if( smsSize > 255 ) + { + pNDEFMessage[Offset++] = (smsSize & 0xFF000000) >> 24; + pNDEFMessage[Offset++] = (smsSize & 0x00FF0000) >> 16; + pNDEFMessage[Offset++] = (smsSize & 0x0000FF00) >> 8; + pNDEFMessage[Offset++] = smsSize & 0x000000FF; + } + else + { + pNDEFMessage[Offset++] = (uint8_t)smsSize; + } + memcpy( &pNDEFMessage[Offset], URI_TYPE_STRING, URI_TYPE_STRING_LENGTH ); + Offset += URI_TYPE_STRING_LENGTH; + + /* SMS payload */ + pNDEFMessage[Offset++] = URI_ID_0x00; + memcpy( &pNDEFMessage[Offset], SMS_TYPE_STRING, SMS_TYPE_STRING_LENGTH ); + Offset += SMS_TYPE_STRING_LENGTH; + memcpy( &pNDEFMessage[Offset], pSMSStruct->PhoneNumber, strlen(pSMSStruct->PhoneNumber) ); + Offset += strlen( pSMSStruct->PhoneNumber ); + memcpy( &pNDEFMessage[Offset], URI_FIRST_DATA_END, URI_FIRST_DATA_END_LENGTH ); + Offset += URI_FIRST_DATA_END_LENGTH; + + memcpy( &pNDEFMessage[Offset], MESSAGE_BEGIN_STRING, MESSAGE_BEGIN_STRING_LENGTH ); + Offset += MESSAGE_BEGIN_STRING_LENGTH; + memcpy( &pNDEFMessage[Offset], pSMSStruct->Message, strlen(pSMSStruct->Message) ); + Offset += strlen( pSMSStruct->Message ); + + /* Information header */ + if( pSMSStruct->Information[0] != '\0' ) + { + if( infoSize > 255 ) + { + pNDEFMessage[Offset++] = 0x41; + pNDEFMessage[Offset++] = TEXT_TYPE_STRING_LENGTH; + pNDEFMessage[Offset++] = (infoSize & 0xFF000000) >> 24; + pNDEFMessage[Offset++] = (infoSize & 0x00FF0000) >> 16; + pNDEFMessage[Offset++] = (infoSize & 0x0000FF00) >> 8; + pNDEFMessage[Offset++] = infoSize & 0x000000FF; + } + else + { + pNDEFMessage[Offset++] = 0x51; + pNDEFMessage[Offset++] = TEXT_TYPE_STRING_LENGTH; + pNDEFMessage[Offset++] = (uint8_t)infoSize; + } + + memcpy( &pNDEFMessage[Offset], TEXT_TYPE_STRING, TEXT_TYPE_STRING_LENGTH ); + Offset += TEXT_TYPE_STRING_LENGTH; + pNDEFMessage[Offset++] = ISO_ENGLISH_CODE_STRING_LENGTH; /* UTF-8 with x byte language code */ + memcpy( &pNDEFMessage[Offset], ISO_ENGLISH_CODE_STRING, ISO_ENGLISH_CODE_STRING_LENGTH ); + Offset += ISO_ENGLISH_CODE_STRING_LENGTH; + + /* Information payload */ + memcpy( &pNDEFMessage[Offset], pSMSStruct->Information, strlen(pSMSStruct->Information) ); + Offset += strlen( pSMSStruct->Information ); + } + + *size = (uint16_t)(Offset); +} + + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/