Diff: lib_NDEF_MyApp.c

Revision:

0:3b093bd0819e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib_NDEF_MyApp.c	Mon Dec 15 19:41:36 2014 +0000
@@ -0,0 +1,289 @@
+/**
+  ******************************************************************************
+  * @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****/
+
+