Diff: lib_NDEF_MyApp.cpp

Revision:

0:de13951f30f6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib_NDEF_MyApp.cpp	Thu Nov 14 10:34:11 2019 +0000
@@ -0,0 +1,277 @@
+/**
+  ******************************************************************************
+  * @file    lib_NDEF_MyApp.c
+  * @author  MMY Application Team
+  * @version $Revision: 2762 $
+  * @date    $Date: 2016-08-10 16:40:40 +0200 (Wed, 10 Aug 2016) $
+  * @brief   This file help to manage the NDEF file of a private application.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; 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_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 [];
+
+/** @defgroup libMyApp_Private_Functions
+  * @{
+  */
+
+static void NDEF_Extract_M24SRDiscoveryApp_Input( sRecordInfo_t *pRecordStruct, sMyAppInfo *pMyAppStruct );
+
+/**
+  * @brief  This function 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.
+  */
+static void NDEF_Extract_M24SRDiscoveryApp_Input( sRecordInfo_t *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 function read NDEF and retrieve Application information if any.
+  * @param  pRecordStruct : Pointer on the record structure.
+  * @param  pMyAppStruct : pointer on the structure to fill.
+  * @retval NDEF_OK : NDEF file data read in the tag.
+  * @retval NDEF_ERROR : not able to read NDEF in tag.
+  */
+uint16_t NDEF_ReadMyApp( sRecordInfo_t *pRecordStruct, sMyAppInfo *pMyAppStruct )
+{
+  uint16_t status = NDEF_ERROR;
+
+  if( pRecordStruct->NDEF_Type == M24SR_DISCOVERY_APP_TYPE )
+  {
+    NDEF_Extract_M24SRDiscoveryApp_Input( pRecordStruct, pMyAppStruct );
+    status = NDEF_OK;
+  }
+  else 
+  {
+    status = NDEF_ERROR;
+  }
+
+  return status;
+}
+
+/**
+  * @brief  This function 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 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_WriteMyApp( sMyAppInfo *pMyAppStruct, I2C * mi2cChannel )
+{
+  uint16_t status = NDEF_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  */
+/************************************/
+
+ 
+  /* fill URI record header */
+  NDEF_Buffer[0] = 0xD4;   /* Record Flag */
+  NDEF_Buffer[1] = M24SR_DISCOVERY_APP_STRING_LENGTH;
+  NDEF_Buffer[2] = 0x00; /* Will be filled at the end when payload size is known */
+
+  memcpy( &NDEF_Buffer[3], M24SR_DISCOVERY_APP_STRING, M24SR_DISCOVERY_APP_STRING_LENGTH );
+
+  pPayload = &NDEF_Buffer[ 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 - (0xFF/i);
+    pPayload++;
+    *pPayload = 0xFF - (0xFF/i);
+    pPayload++;
+    /* Font Color */
+    *pPayload = 0xFF/i;
+    pPayload++;
+    *pPayload = 0xFF/i;
+    pPayload++;
+    /* String */
+    memcpy( pPayload, "ABCDEFGHIJKLMNOPQRST", 20 );
+    pPayload += 20;
+
+    PayloadSize += 25;
+
+  }
+
+  NDEF_Buffer[2] = PayloadSize & 0x000000FF;
+
+  DataSize = PayloadSize + 5 + M24SR_DISCOVERY_APP_STRING_LENGTH;
+
+  /* Write NDEF */
+  status = NfcTag_WriteNDEF(  DataSize, NDEF_Buffer, mi2cChannel );
+
+
+  return status;
+}
+
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/