File content as of revision 0:3b093bd0819e:

/**
  ******************************************************************************
  * @file    lib_NDEF_Vcard.c
  * @author  MMY Application Team
  * @version V1.0.0
  * @date    20-November-2013
  * @brief   This file help to manage NDEF file that represent Vcard.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MMY-ST Liberty SW License Agreement V2, (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/software_license_agreement_liberty_v2
  *
  * 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.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "lib_NDEF_Vcard.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 [NDEF_MAX_SIZE];

/** @defgroup libVcard_Private_Functions
  * @{
  */


static void NDEF_FillVcardStruct( uint8_t* pPayload, uint32_t PayloadSize, char* pKeyWord, uint32_t SizeOfKeyWord, uint8_t* pString);
static void NDEF_ExtractVcard ( sRecordInfo *pRecordStruct, sVcardInfo *pVcardStruct );

/**
  * @brief  This fonction fill Vcard 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	pKeyWord : pointer on the keyword to look for.
	* @param	SizeOfKeyWord : number of byte of the keyword we are looking for
	* @param	pString : Pointer on the data string to fill
  * @retval NONE 
  */
static void NDEF_FillVcardStruct( uint8_t* pPayload, uint32_t PayloadSize, char* pKeyWord, uint32_t SizeOfKeyWord, uint8_t* pString)
{
	uint8_t* pLastByteAdd, *pLook4Word, *pEndString ;
	
	/* First charactere force to NULL in case not matching found */
	*pString = 0;
	
	/* Interresting information are stored before picture if any */
	/* Moreover picture is not used in this demonstration SW */	
	pLastByteAdd = pPayload;
	while( memcmp( pLastByteAdd, JPEG, JPEG_STRING_SIZE) && pLastByteAdd<(pPayload+PayloadSize) )
	{
		pLastByteAdd++;
	}
	
	pLook4Word = pPayload;
	while( memcmp( pLook4Word, pKeyWord, SizeOfKeyWord) && pLook4Word<pLastByteAdd )
	{
		pLook4Word++;
	}
	
	/* Word found */
	if( pLook4Word != pLastByteAdd)
	{	
		pLook4Word += SizeOfKeyWord;
		pEndString = pLook4Word;
		while( memcmp( pEndString, LIMIT, LIMIT_STRING_SIZE) && pEndString<pLastByteAdd )
		{
			pEndString++;
		}
		if( pEndString != pLastByteAdd)
		{
			memcpy( pString, pLook4Word, pEndString-pLook4Word);
			/* add end of string charactere */
			pString += pEndString-pLook4Word;
			*pString = '\0';		
		}
	}	
}

/**
  * @brief  This fonction read the Vcard and store data in a structure
	* @param	pRecordStruct : Pointer on the record structure
	* @param	pSMSStruct : pointer on the structure to fill
  * @retval NONE  
  */
static void NDEF_ExtractVcard ( sRecordInfo *pRecordStruct, sVcardInfo *pVcardStruct )
{
	uint32_t PayloadSize;
	uint8_t* pPayload;
	
	
	PayloadSize = ((uint32_t)(pRecordStruct->PayloadLength3)<<24) | ((uint32_t)(pRecordStruct->PayloadLength2)<<16) |
    ((uint32_t)(pRecordStruct->PayloadLength1)<<8)  | pRecordStruct->PayloadLength0;
	
	/* Read record header */
	pPayload = (uint8_t*)(pRecordStruct->PayloadBufferAdd);
	
	NDEF_FillVcardStruct(pPayload , PayloadSize,VERSION, VERSION_STRING_SIZE, (uint8_t*)(pVcardStruct->Version));
	if( !memcmp(pVcardStruct->Version, VCARD_VERSION_2_1, VCARD_VERSION_2_1_SIZE))
	{
		NDEF_FillVcardStruct(pPayload , PayloadSize,FIRSTNAME, FIRSTNAME_STRING_SIZE, (uint8_t*)(pVcardStruct->FirstName));
		NDEF_FillVcardStruct(pPayload , PayloadSize,TITLE, TITLE_STRING_SIZE, (uint8_t*)(pVcardStruct->Title));
		NDEF_FillVcardStruct(pPayload , PayloadSize,ORG, ORG_STRING_SIZE, (uint8_t*)(pVcardStruct->Org));
		NDEF_FillVcardStruct(pPayload , PayloadSize,HOME_ADDRESS, HOME_ADDRESS_STRING_SIZE, (uint8_t*)(pVcardStruct->HomeAddress));
		NDEF_FillVcardStruct(pPayload , PayloadSize,WORK_ADDRESS, WORK_ADDRESS_STRING_SIZE, (uint8_t*)(pVcardStruct->WorkAddress));		
		NDEF_FillVcardStruct(pPayload , PayloadSize,HOME_TEL, HOME_TEL_STRING_SIZE, (uint8_t*)(pVcardStruct->HomeTel));
		NDEF_FillVcardStruct(pPayload , PayloadSize,WORK_TEL, WORK_TEL_STRING_SIZE, (uint8_t*)(pVcardStruct->WorkTel));		
		NDEF_FillVcardStruct(pPayload , PayloadSize,CELL_TEL, CELL_TEL_STRING_SIZE, (uint8_t*)(pVcardStruct->CellTel));
		NDEF_FillVcardStruct(pPayload , PayloadSize,HOME_EMAIL, HOME_EMAIL_STRING_SIZE, (uint8_t*)(pVcardStruct->HomeEmail));	
		NDEF_FillVcardStruct(pPayload , PayloadSize,WORK_EMAIL, WORK_EMAIL_STRING_SIZE, (uint8_t*)(pVcardStruct->WorkEmail));		
	}
	else if( !memcmp(pVcardStruct->Version, VCARD_VERSION_3_0, VCARD_VERSION_3_0_SIZE))
	{
		/* need to be implemented */
	}
	else
	{
		/* maybe new version but not supported in this sw */
	}
	
}

/**
  * @}
  */

/** @defgroup libVcard_Public_Functions
  * @{
  *	@brief  This file is used to manage Vcard (stored or loaded in tag)
  */ 

/**
  * @brief  This fonction read NDEF and retrieve Vcard information if any
	* @param	pRecordStruct : Pointer on the record structure
	* @param	pVcardStruct : pointer on the structure to fill 
  * @retval SUCCESS : Vcard information from NDEF have been retrieved
	* @retval ERROR : Not able to retrieve Vcard information
  */
uint16_t NDEF_ReadVcard ( sRecordInfo *pRecordStruct, sVcardInfo *pVcardStruct )
{
	uint16_t status = ERROR;
	
	if( pRecordStruct->NDEF_Type == VCARD_TYPE)
	{	
		NDEF_ExtractVcard(pRecordStruct, pVcardStruct );
		status = SUCCESS;
	}
	
	return status;
}

/**
  * @brief  This fonction write the NDEF file with the Vcard data given in the structure
	* @param	pVcardStruct : pointer on structure that contain the Vcard information
  * @retval SUCCESS : the function is succesful
	* @retval ERROR : Not able to store NDEF file inside tag.
  */
uint16_t NDEF_WriteVcard ( sVcardInfo *pVcardStruct )
{
	uint16_t status = ERROR;
	uint16_t DataSize;
	uint32_t PayloadSize = 0;
	
	/* Vcard Record Header */
  /************************************/	
  /*	7 |  6 |  5 |  4 |  3 | 2  1  0 */
  /*----------------------------------*/	
  /* MB   ME   CF   SR   IL    TNF    */  /* <---- CF=0, IL=0 and SR=0 TNF=2 NFC Forum Media type*/
  /*----------------------------------*/	
  /*					TYPE LENGTH 						*/
  /*----------------------------------*/
  /*				PAYLOAD LENGTH 3 					*/
  /*----------------------------------*/
  /*			  PAYLOAD LENGTH 2 					*/
  /*----------------------------------*/
  /*				PAYLOAD LENGTH 1 					*/
  /*----------------------------------*/	
  /*				PAYLOAD LENGTH 0 					*/
  /*----------------------------------*/
  /*					ID LENGTH 							*/  /* <---- Not Used  */
  /*----------------------------------*/
  /*							TYPE 								*/
  /*----------------------------------*/
  /*							 ID                 */  /* <---- Not Used  */ 
  /************************************/
	
	/* As we don't have embedded a jpeg encoder/decoder in this firmware */
	/* We have made the choice to manage only string content of the vCard */
	/* For demonstration purpose in order to fill the 8kB of the M24SR */
	/* We have embedded a NDEF vCard in the STM32 to be able to fill M24SR */
	
	
	/* NDEF file must be written in 2 phases, first phase NDEF size is Null */
	NDEF_Buffer[NDEF_SIZE_OFFSET] = 0x00;
	NDEF_Buffer[NDEF_SIZE_OFFSET+1] = 0x00;
	
	/* fill record header */
	NDEF_Buffer[FIRST_RECORD_OFFSET] = 0xC2;   /* Record Flag */
	NDEF_Buffer[FIRST_RECORD_OFFSET+1] = VCARD_TYPE_STRING_LENGTH;
	NDEF_Buffer[FIRST_RECORD_OFFSET+2] = 0x00; /* Will be filled at the end when payload size is known */
	NDEF_Buffer[FIRST_RECORD_OFFSET+3] = 0x00;
	NDEF_Buffer[FIRST_RECORD_OFFSET+4] = 0x00;
	NDEF_Buffer[FIRST_RECORD_OFFSET+5] = 0x00;	
	memcpy(&NDEF_Buffer[FIRST_RECORD_OFFSET+6], VCARD_TYPE_STRING, VCARD_TYPE_STRING_LENGTH);
  
	/* Payload is positionned in the NDEF after record header */
	PayloadSize = FIRST_RECORD_OFFSET+6+VCARD_TYPE_STRING_LENGTH;
  
	/* "BEGIN:VCARD\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], BEGIN, BEGIN_STRING_SIZE);
	PayloadSize += BEGIN_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], VCARD,VCARD_STRING_SIZE);
	PayloadSize += VCARD_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "VERSION:2.1\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], VERSION, VERSION_STRING_SIZE);
	PayloadSize += VERSION_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], VCARD_VERSION_2_1,VCARD_VERSION_2_1_SIZE);
	PayloadSize += VCARD_VERSION_2_1_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "FN:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], FIRSTNAME, FIRSTNAME_STRING_SIZE);
	PayloadSize += FIRSTNAME_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->FirstName,strlen(pVcardStruct->FirstName));
	PayloadSize += strlen(pVcardStruct->FirstName);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "TITLE:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], TITLE,TITLE_STRING_SIZE);
	PayloadSize += TITLE_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->Title,strlen(pVcardStruct->Title));
	PayloadSize += strlen(pVcardStruct->Title);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
  
	/* "ORG:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], ORG,ORG_STRING_SIZE);
	PayloadSize += ORG_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->Org,strlen(pVcardStruct->Org));
	PayloadSize += strlen(pVcardStruct->Org);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "ADR;HOME:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], HOME_ADDRESS,HOME_ADDRESS_STRING_SIZE);
	PayloadSize += HOME_ADDRESS_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->HomeAddress,strlen(pVcardStruct->HomeAddress));
	PayloadSize += strlen(pVcardStruct->HomeAddress);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "ADR;WORK:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], WORK_ADDRESS,WORK_ADDRESS_STRING_SIZE);
	PayloadSize += WORK_ADDRESS_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->WorkAddress,strlen(pVcardStruct->WorkAddress));
	PayloadSize += strlen(pVcardStruct->WorkAddress);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "TEL;HOME:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], HOME_TEL, HOME_TEL_STRING_SIZE);
	PayloadSize += HOME_TEL_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->HomeTel,strlen(pVcardStruct->HomeTel));
	PayloadSize += strlen(pVcardStruct->HomeTel);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
  
	/* "TEL;WORK:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], WORK_TEL, WORK_TEL_STRING_SIZE);
	PayloadSize += WORK_TEL_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->WorkTel,strlen(pVcardStruct->WorkTel));
	PayloadSize += strlen(pVcardStruct->WorkTel);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "TEL;CELL:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], CELL_TEL, CELL_TEL_STRING_SIZE);
	PayloadSize += CELL_TEL_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->CellTel,strlen(pVcardStruct->CellTel));
	PayloadSize += strlen(pVcardStruct->CellTel);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "EMAIL;HOME:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], HOME_EMAIL, HOME_EMAIL_STRING_SIZE);
	PayloadSize += HOME_EMAIL_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->HomeEmail,strlen(pVcardStruct->HomeEmail));
	PayloadSize += strlen(pVcardStruct->HomeEmail);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "EMAIL;WORK:\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], WORK_EMAIL, WORK_EMAIL_STRING_SIZE);
	PayloadSize += WORK_EMAIL_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], pVcardStruct->WorkEmail,strlen(pVcardStruct->WorkEmail));
	PayloadSize += strlen(pVcardStruct->WorkEmail);
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	/* "END:VCARD\r\n" */
	memcpy(&NDEF_Buffer[PayloadSize], END,END_STRING_SIZE);
	PayloadSize += END_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], VCARD,VCARD_STRING_SIZE);
	PayloadSize += VCARD_STRING_SIZE;
	memcpy( &NDEF_Buffer[PayloadSize], LIMIT, LIMIT_STRING_SIZE);
	PayloadSize += LIMIT_STRING_SIZE;
	
	DataSize = (uint16_t)(PayloadSize); /* Must not count the 2 byte that represent the NDEF size */
	PayloadSize -= FIRST_RECORD_OFFSET+6+VCARD_TYPE_STRING_LENGTH;	
	
	NDEF_Buffer[FIRST_RECORD_OFFSET+2] = (PayloadSize & 0xFF000000)>>24;
	NDEF_Buffer[FIRST_RECORD_OFFSET+3] = (PayloadSize & 0x00FF0000)>>16;
	NDEF_Buffer[FIRST_RECORD_OFFSET+4] = (PayloadSize & 0x0000FF00)>>8;
	NDEF_Buffer[FIRST_RECORD_OFFSET+5] = (PayloadSize & 0x000000FF);
	
	
  /* Write NDEF */
	status = WriteData ( 0x00 , DataSize , NDEF_Buffer);
	
	/* Write NDEF size to complete*/
	if( status == NDEF_ACTION_COMPLETED)
	{
		DataSize -= 2; /* Must not count the 2 byte that represent the NDEF size */
		NDEF_Buffer[0] = (DataSize & 0xFF00)>>8;
		NDEF_Buffer[1] = (DataSize & 0x00FF);
    
		status = WriteData ( 0x00 , 2 , NDEF_Buffer);
	}
	
  
	if( status == NDEF_ACTION_COMPLETED)
		return SUCCESS;
	else
		return ERROR;
}


/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/******************* (C) COPYRIGHT 2013 STMicroelectronics *****END OF FILE****/