Diff: Lib_NDEF/tagtype5_wrapper.cpp

Revision:

1:11ae12d41082

Parent:

0:892175366555

Child:

2:6f1b1f7f8d12

--- a/Lib_NDEF/tagtype5_wrapper.cpp	Wed Jul 27 09:25:33 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,427 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    tagtype5_wrapper.c 
-  * @author  MMY Application Team
-  * @version $Revision: 1638 $
-  * @date    $Date: 2016-02-10 16:41:05 +0100 (Wed, 10 Feb 2016) $
-  * @brief   Interface for tagtype5 in order to use NDEF lib
-  ******************************************************************************
-  * @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 "tagtype5_wrapper.h"
-#include "lib_NDEF.h"
-
-
-/**
-  * @brief  This function read the data stored in NDEF file at defined offset.
-  * @param  Offset : Offset in the NDEF file.
-  * @param  DataSize : Number of byte to read.
-  * @param  pData : pointer on buffer to store read data.
-  * @retval NDEF_ERROR_MEMORY_INTERNAL : Size not compatible with memory.
-  * @retval NDEF_ERROR_NOT_FORMATED : CCFile data not supported.
-  * @retval NDEF_ERROR : No NDEF in the tag.
-  * @retval NDEF_OK : The operation is completed.
-  */
-uint16_t NFCType5::ReadData( uint16_t Offset , uint16_t DataSize , uint8_t* pData )
-{
-  uint16_t status = NDEF_ERROR;
-  uint8_t atlv_detect[4];
-  uint8_t index = 0;
-  
-  /* Do not include length bytes */
-  DataSize -= FIRST_RECORD_OFFSET;
-  
-  /* If too many data to write return error */
-  if( DataSize > NDEF_MAX_SIZE )
-  {
-    return NDEF_ERROR_MEMORY_INTERNAL;
-  }
-  
-  /* Detect NDEF message in memory */
-  status = NfcType5_NDEFDetection( );
-  if( status != NDEF_OK )
-  {
-    return status;
-  }
-  
-  /* Read TL of Type 5 */
-  status = NFCTAG_ReadData( atlv_detect, CCFileStruct.NDEF_offset, 4 );
-  if( status != NDEF_OK )
-  {
-    return status;
-  }
-  
-  /* Check if L is on 3 or 1 byte and update length in buffer */
-  if( atlv_detect[1] == NFCT5_3_BYTES_L_TLV )
-  {
-    pData[0] = atlv_detect[2];
-    pData[1] = atlv_detect[3];
-    index += 4;
-  }
-  else
-  {
-    pData[0] = 0x00;
-    pData[1] = atlv_detect[1];
-    index += 2;
-  }
-  
-  /* Check CC file is in the correct mode to proceed */
-  if( CCFileStruct.State ==  TT5_INITIALIZED )
-  {
-    return NDEF_ERROR;
-  }
-
-  if( ((Offset == 0) && (DataSize > 0)) || (Offset > 0) )
-  {
-    /* Read NDEF */
-    if( NFCTAG_ReadData( (pData + FIRST_RECORD_OFFSET), CCFileStruct.NDEF_offset + index + Offset, DataSize ) != NFCTAG_OK )
-    {
-      return NDEF_ERROR;
-    }
-  }
-  
-  return NDEF_OK;
-}
-
-/**
-  * @brief  This function writes data in NDEF file at defined offset.
-  * @param  Offset : Offset in the NDEF file.
-  * @param  DataSize : Number of byte to write.
-  * @param  pData : pointer on buffer to copy.
-  * @retval NDEF_ERROR_MEMORY_INTERNAL : Size not compatible with memory.
-  * @retval NDEF_ERROR_NOT_FORMATED : CCFile data not supported.
-  * @retval NDEF_ERROR : No NDEF in the tag.
-  * @retval NDEF_OK : The operation is completed.
-  */
-uint16_t NFCType5::WriteData( uint16_t Offset , uint32_t DataSize , uint8_t *pData )
-{
-  uint8_t atlv[4];
-  uint8_t index = 0;
-  uint16_t NDEF_Size = 0;
-  NFCTAG_StatusTypeDef status;
-
-  /* Do not include length bytes */
-  DataSize -= FIRST_RECORD_OFFSET;
-  
-  /* If too many data to write return error */
-  if( DataSize > NDEF_MAX_SIZE )
-  {
-    return NDEF_ERROR_MEMORY_INTERNAL;
-  }
-  
-  /* Detect NDEF message in memory */
-  if( NfcType5_NDEFDetection( ) != NDEF_OK )
-  {
-    return NDEF_ERROR;
-  }
-  
-  /* Extract NDEF Size from buffer */
-  NDEF_Size = (uint16_t)(pData[0] << 8);
-  NDEF_Size = NDEF_Size | (uint16_t)(pData[1] );
-  
-  /* If entire NDEF is written, update Length of Type 5 */
-  if( DataSize == NDEF_Size )
-  {
-    /* Check if L is on 3 or 1 byte */
-    if( NDEF_Size >= NFCT5_3_BYTES_L_TLV )
-    {
-      /* First init L with 0, will be updated at the end */
-      atlv[1] = 0x00;
-      atlv[2] = 0x00;
-      atlv[3] = 0x00;
-      
-      status = NFCTAG_WriteData( (atlv + 1), (CCFileStruct.NDEF_offset + 1), 3 );
-      
-      index += 4; 
-    }
-    else
-    {
-      /* First inti L with 0, will be updated at the end */
-      atlv[1] = 0x00;
-      
-      status = NFCTAG_WriteData( (atlv + 1), (CCFileStruct.NDEF_offset + 1), 1 );
-      
-      index += 2;
-    }
-  }
-  
-  /* Start write NDEF message to EEPROM */
-  status = NFCTAG_WriteData( (pData + FIRST_RECORD_OFFSET), CCFileStruct.NDEF_offset + index + Offset, DataSize );
-  if( status != NFCTAG_OK )
-  {
-    return NDEF_ERROR;
-  }
-  
-  /* If entire NDEF is written, update Length of Type 5 */
-  if( DataSize == NDEF_Size )
-  {
-    /* Check if L is on 3 or 1 byte */
-    if( NDEF_Size >= NFCT5_3_BYTES_L_TLV )
-    {
-      /* Update Length value */
-      atlv[1] = NFCT5_3_BYTES_L_TLV;
-      atlv[2] = pData[0];
-      atlv[3] = pData[1];
-      
-      status = NFCTAG_WriteData( (atlv + 1), (CCFileStruct.NDEF_offset + 1), 3 );
-    }
-    else
-    {
-      /* Update Length value */
-      atlv[1] = pData[1];
-      
-      status = NFCTAG_WriteData( (atlv + 1), (CCFileStruct.NDEF_offset + 1), 1 );
-    }
-
-    /* Write Terminator TLV */
-    atlv[0] = NFCT5_TERMINATOR_TLV;
-    status = NFCTAG_WriteData( atlv, CCFileStruct.NDEF_offset + index + NDEF_Size, 1 );
-  }
-  
-  return NDEF_OK;
-}
-
-/**
-  * @brief  This functions writes CCFile in EEPROM.
-  * @Param  pCCBuffer : pointer on the buffer containnig CC file.
-  * @retval NFCTAG status.
-  */
-uint16_t NFCType5::NfcType5_WriteCCFile( const uint8_t * const pCCBuffer )
-{
-  NFCTAG_StatusTypeDef ret_value;
-  
-  /* Write first block of CCFile */
-  ret_value = NFCTAG_WriteData( pCCBuffer, 0x00, 0x4 );
- 
-  /* If extended memory writes the next 4 bytes */
-  if( (pCCBuffer[2] == 0x00) && (ret_value == NFCTAG_OK) )
-  {
-    ret_value = NFCTAG_WriteData( pCCBuffer + 4, 0x04, 4 );
-  }
-
-  if( ret_value != NFCTAG_OK )
-  {
-    return NDEF_ERROR;
-  }
-  
-    return NDEF_OK;
-}
-
-/**
-  * @brief  This functions reads CCFile in EEPROM.
-  * @Param  pCCBuffer : pointer on the buffer to store CC file.
-  * @retval NFCTAG status.
-  */
-uint16_t NFCType5::NfcType5_ReadCCFile( uint8_t * const pCCBuffer )
-{
-  NFCTAG_StatusTypeDef ret_value;
-  
-  /* Read 4 bytes of CC File */
-  ret_value = NFCTAG_ReadData( pCCBuffer, 0x00, 4 );
-
-  /* If extended memory reads the next 4 bytes */
-  if( (pCCBuffer[2] == 0x00) && (ret_value == NFCTAG_OK) )
-  {
-    ret_value = NFCTAG_ReadData( pCCBuffer + 4, 0x04, 4 );
-  }
-  
-  if( ret_value != NFCTAG_OK )
-  {
-    return NDEF_ERROR;
-  }
-  
-    return NDEF_OK;
-}
-
-/**
-  * @brief  This function initialize memory in Tag Type 5.
-  * @retval NFCTAG status.
-  */
-uint16_t NFCType5::NfcType5_TT5Init( void )
-{
-  NFCTAG_StatusTypeDef ret_value = NFCTAG_OK;
-  uint16_t status;
-  uint8_t accbuffer[8];
-  uint8_t cdata;
-
-  /* Prepare buffer to update CCFile */
-  accbuffer[0] = CCFileStruct.MagicNumber;
-  accbuffer[1] = CCFileStruct.Version;
-  accbuffer[2] = CCFileStruct.MemorySize;
-  accbuffer[3] = CCFileStruct.TT5Tag;
-  CCFileStruct.NDEF_offset = 0x04;
-  
-  /* If extended memory prepare the length bytes */
-  if( CCFileStruct.MemorySize == NFCT5_EXTENDED_CCFILE )
-  {
-    accbuffer[6] = (uint8_t)(CCFileStruct.ExtMemorySize >> 8);
-    accbuffer[7] = (uint8_t)(CCFileStruct.ExtMemorySize & 0xFF);
-    CCFileStruct.NDEF_offset = 0x08;
-  }
-  
-  /* Update CCFile */
-  status = NfcType5_WriteCCFile( accbuffer );
-  if( status != NDEF_OK )
-  {
-    return status;
-  }
-  
-  /* Update NDEF TLV for INITIALIZED state */
-  /* Update T */
-  cdata = NFCT5_NDEF_MSG_TLV;
-  ret_value = NFCTAG_WriteData( &cdata, CCFileStruct.NDEF_offset, 1 );
-  if( ret_value != NFCTAG_OK )
-  {
-    return NDEF_ERROR;
-  }
-
-  /* Update L */
-  cdata = 0x00;
-  ret_value = NFCTAG_WriteData( &cdata, (CCFileStruct.NDEF_offset + 1), 1 );
-  if( ret_value != NFCTAG_OK )
-  {
-    return NDEF_ERROR;
-  }
-  
-  return NDEF_OK;
-}
-
-/**
-  * @brief  This function detects an NDEF message Tag Type 5 in EEPROM.
-  * @retval NDEF_OK : NDEF message Tag Type 5 detected.
-  * @retval NDEF_ERROR_NOT_FORMATED : Device is not an NFC Tag Type 5 Tag.
-  * @retval NDEF_NO_NDEF_DETECTED : No NDEF Detected.
-  */
-uint16_t NFCType5::NfcType5_NDEFDetection( void )
-{
-  uint8_t acc_buffer[8];
-  uint8_t atlv_detect[4];
-  uint16_t status;
-  uint32_t memory_size;
-  
-  CCFileStruct.State = TT5_NO_NDEF;
-  
-  /* Read CCFile */
-  status = NfcType5_ReadCCFile( acc_buffer );
-  if( status != NDEF_OK )
-  {
-    return status;
-  }
-  
-  /* Check Byte 0 is equal to magic number */
-  if( ( acc_buffer[0] != NFCT5_MAGICNUMBER_E1_CCFILE ) && ( acc_buffer[0] != NFCT5_MAGICNUMBER_E2_CCFILE ) )
-  {
-    return NDEF_ERROR_NOT_FORMATED;
-  }
-  /* Check Version number */
-  else if( ( (acc_buffer[1]&0xFC) != 0x40 ) )
-  {
-    return NDEF_ERROR_NOT_FORMATED;
-  }
-  
-  /* Check if CCFile is on 4 Bytes or 8 Bytes */
-  if( acc_buffer[2] == 0x00 )
-  {
-    /* Update CCFIle structure */
-    CCFileStruct.MemorySize = 0x0;
-    CCFileStruct.ExtMemorySize = (uint16_t)acc_buffer[6];
-    CCFileStruct.ExtMemorySize = ( CCFileStruct.ExtMemorySize << 8 ) |  acc_buffer[7];
-    memory_size = CCFileStruct.ExtMemorySize;
-    CCFileStruct.NDEF_offset = 8;
-  }
-  else
-  {
-    /* Update CCFIle structure */
-    CCFileStruct.MemorySize = acc_buffer[2];
-    CCFileStruct.ExtMemorySize = 0x0;
-    memory_size = CCFileStruct.MemorySize;
-    CCFileStruct.NDEF_offset = 4;
-  }
-  
-  /* Update CCFIle structure */
-  CCFileStruct.MagicNumber = acc_buffer[0];
-  CCFileStruct.Version = acc_buffer[1];
-  CCFileStruct.TT5Tag = acc_buffer[3];
-  
-  /* Search for position of NDEF TLV in memory and tag status */
-  while( ( NFCTAG_ReadData( atlv_detect, CCFileStruct.NDEF_offset, 4 ) == NFCTAG_OK ) && ( CCFileStruct.NDEF_offset < memory_size ) )
-  {
-    /* Detect first NDEF Message in memory */
-    if( atlv_detect[0] == NFCT5_NDEF_MSG_TLV )
-    {
-      if( atlv_detect[1] == 0x00 )
-      {
-        CCFileStruct.State = TT5_INITIALIZED;
-      }
-      else
-      {
-        if( CCFileStruct.Version & 0x3 )
-        {
-          CCFileStruct.State = TT5_READ;
-        }
-        else
-        {
-          CCFileStruct.State = TT5_READ_WRITE;
-        }
-      }
-      return NDEF_OK;
-    }
-    /* If Proprietary NDEF jump to end of proprietary message */
-    else if( atlv_detect[0] == NFCT5_PROPRIETARY_TLV )
-    {
-      if( atlv_detect[1] == NFCT5_3_BYTES_L_TLV )
-      {
-        CCFileStruct.NDEF_offset = CCFileStruct.NDEF_offset + ( (uint32_t)atlv_detect[2] << 8 ) + atlv_detect[3];
-        continue;
-      }
-      else
-      {
-        CCFileStruct.NDEF_offset = CCFileStruct.NDEF_offset + atlv_detect[1];
-        continue;
-      }
-    }
-    /* if Terminator no NDEF detected */
-    else if( atlv_detect[0] == NFCT5_TERMINATOR_TLV )
-    {
-      return NDEF_ERROR_NOT_FORMATED;
-    }
-      
-    CCFileStruct.NDEF_offset++;
-  }
-  
-  return NDEF_ERROR_NOT_FORMATED;
-}
-
-/**
-  * @}
-  */ 
-
-/**
-  * @}
-  */ 
-
-/**
-  * @}
-  */ 
-
-/******************* (C) COPYRIGHT 2016 STMicroelectronics *****END OF FILE****/