File content as of revision 0:3b093bd0819e:

/**
  ******************************************************************************
  * @file    lib_NDEF_MyApp.c
  * @author  MMY Application Team
  * @version V1.0.0
  * @date    20-November-2013
  * @brief   This file help to manage the NDEF file of a private application.
  ******************************************************************************
  * @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_MyApp.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, gpio... </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 libMyApp_Private_Functions
  * @{
  */

static void NDEF_Extract_M24SRDiscoveryApp_Input ( sRecordInfo *pRecordStruct, sMyAppInfo *pMyAppStruct );

/**
  * @brief  This fonction read the NDEF file and store application data in a structure
	* @param	pRecordStruct : Pointer on the record structure
	* @param	pMyAppStruct : pointer on the structure to fill
  * @retval NONE 
  */
static void NDEF_Extract_M24SRDiscoveryApp_Input ( sRecordInfo *pRecordStruct, sMyAppInfo *pMyAppStruct )
{
	uint8_t* pPayload;
	uint8_t* pLook4Word;
	uint16_t BackGroundColor, FontColor;
	uint8_t i;
	
	/* Read record header */
	pPayload = (uint8_t*)(pRecordStruct->PayloadBufferAdd);
	
	/* initialize struct in case not matching found */
	for(i=0; i<8; i++)
	{
		/* Set the Back Color */
		pMyAppStruct->LineX[i].BackGroundColor = 0xFFFF;
		/* Set the Text Color */
		pMyAppStruct->LineX[i].FontColor = 0x0000;
		/* Set the line number */
		pMyAppStruct->LineX[i].LineNb = i+1; 
		/* Set the line content */
		memcpy(pMyAppStruct->LineX[i].String , "                    ",20);
	}	
  
	pLook4Word = pPayload;
  
	for(i=0; i<4; i++)
  {
    pMyAppStruct->LedBlinkConf.LedConf[i] = *pLook4Word;
    pLook4Word++;
  }
  pMyAppStruct->LedBlinkConf.Speed = *pLook4Word;
  pLook4Word++;
	
	for(i=0; i<8; i++)
	{		
    /* Set the line number */
    pMyAppStruct->LineX[i].LineNb = *pLook4Word; 
    pLook4Word++;
    /* Set the Back Color */
    BackGroundColor = (uint16_t) (*pLook4Word << 8);
    BackGroundColor = BackGroundColor | (uint16_t) (*++pLook4Word );
    pMyAppStruct->LineX[i].BackGroundColor = BackGroundColor;
    pLook4Word++;
    /* Set the Text Color */
    FontColor = (uint16_t) (*pLook4Word << 8);
    FontColor = FontColor | (uint16_t) (*++pLook4Word );
    pMyAppStruct->LineX[i].FontColor = FontColor;
    pLook4Word++;		
    /* Set the line content */
    memcpy(pMyAppStruct->LineX[i].String, (char*) pLook4Word, 20);
    pLook4Word += 20;
  }	
	
}

/**
  * @}
  */

/** @defgroup libMyApp_Public_Functions
  * @{
	*	@brief  This file is used to manage proprietary NDEF (stored or loaded in tag)
  */ 

/**
  * @brief  This fonction read NDEF and retrieve Application information if any
	* @param	pRecordStruct : Pointer on the record structure
	* @param	pMyAppStruct : pointer on the structure to fill 
  * @retval SUCCESS : Application information from NDEF have been retrieved
	* @retval ERROR : Not able to retrieve Application information
  */
uint16_t NDEF_ReadMyApp(sRecordInfo *pRecordStruct, sMyAppInfo *pMyAppStruct)
{
	uint16_t status = ERROR;
  
	if( pRecordStruct->NDEF_Type == M24SR_DISCOVERY_APP_TYPE )
	{		
		NDEF_Extract_M24SRDiscoveryApp_Input(pRecordStruct, pMyAppStruct );
		status = SUCCESS;
	}
	else 
	{
		status = ERROR;
	}
	
	return status;
}

/**
  * @brief  This fonction write the NDEF file with the Application data given in the structure
  * @brief  Only used for debug purpose in this firmware version
	* @param	pMyAppStruct : pointer on structure that contain the application information
  * @retval SUCCESS : the function is succesful
	* @retval ERROR : Not able to store NDEF file inside tag.
  */
uint16_t NDEF_WriteMyApp(sMyAppInfo *pMyAppStruct)
{
	uint16_t status = ERROR;
	uint16_t DataSize;
	uint32_t PayloadSize;
	uint8_t  i;
	uint8_t* pPayload;
  
	
  /* External Type Record Header */
  /************************************/	
  /*	7 |  6 |  5 |  4 |  3 | 2  1  0 */
  /*----------------------------------*/	
  /* MB   ME   CF   SR   IL    TNF    */  /* <---- IL=0, CF=0 and SR=1 TNF=4 NFC Forum external type*/
  /*----------------------------------*/	
  /*					TYPE LENGTH 						*/
  /*----------------------------------*/
  /*				PAYLOAD LENGTH 3 					*/  /* <---- Not Used  */
  /*----------------------------------*/
  /*			  PAYLOAD LENGTH 2 					*/  /* <---- Not Used  */
  /*----------------------------------*/
  /*				PAYLOAD LENGTH 1 					*/  /* <---- Not Used  */ 
  /*----------------------------------*/	
  /*				PAYLOAD LENGTH 0 					*/  /* The payload will always be 5 + 25*8=205 bytes for this application */
  /*----------------------------------*/
  /*					ID LENGTH 							*/  /* <---- Not Used  */
  /*----------------------------------*/
  /*							TYPE 								*/  /* st.com:m24sr_discovery_democtrl */
  /*----------------------------------*/
  /*							 ID                 */  /* <---- Not Used  */ 
  /************************************/
	
	/* 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 URI record header */
	NDEF_Buffer[FIRST_RECORD_OFFSET] = 0xD4;   /* Record Flag */
	NDEF_Buffer[FIRST_RECORD_OFFSET+1] = M24SR_DISCOVERY_APP_STRING_LENGTH;
	NDEF_Buffer[FIRST_RECORD_OFFSET+2] = 0x00; /* Will be filled at the end when payload size is known */
  
	memcpy(&NDEF_Buffer[FIRST_RECORD_OFFSET+3], M24SR_DISCOVERY_APP_STRING, M24SR_DISCOVERY_APP_STRING_LENGTH);
	
	pPayload = &NDEF_Buffer[FIRST_RECORD_OFFSET+3+M24SR_DISCOVERY_APP_STRING_LENGTH];
	PayloadSize = 0;
	
	/**************************************************************/	
	/* BLINK CONFIG data */	
  
	/* led 1 blinking */
	*pPayload = 0x03;
	pPayload++;
	/* led 2 blinking */
	*pPayload = 0x02;
	pPayload++;
	/* led 3 blinking */
	*pPayload = 0x02;
	pPayload++;
	/* led 4 blinking */
	*pPayload = 0x03;
	pPayload++;
	/* speed */
	*pPayload = 0x03;
	pPayload++;
	
	PayloadSize += 5;
	
	/**************************************************************/	
	
	/**************************************************************/	
	/* SCREEN config  data */
	for(i=0; i<8; i++)
	{
		/* Line number */
		*pPayload = (uint8_t)(i+1);
		pPayload++;
		/* Background color */
		*pPayload = 0xFF;
		pPayload++;
		*pPayload = 0xFF;
		pPayload++;
		/* Font Color */
		*pPayload = 0x00;
		pPayload++;
		*pPayload = 0x00;
		pPayload++;
		/* String */
		memcpy(pPayload, "ABCDEFGHIJKLMNOPQRST",20);
		pPayload += 20;
    
		PayloadSize += 25;
		
	}
	
	NDEF_Buffer[FIRST_RECORD_OFFSET+2] = (PayloadSize & 0x000000FF);
	
	DataSize = PayloadSize + 5 + M24SR_DISCOVERY_APP_STRING_LENGTH;
	
	/* 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****/