text: /**************************************************************************************************
   
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    All rights reserved.
  
    IMPORTANT: All rights of this software belong to Shanghai QST 
    Corporation ("QST"). Your use of this Software is limited to those 
    specific rights granted under  the terms of the business contract, the 
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    YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
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  **************************************************************************************************/
  
  /**************************************************************************************************
    Filename:       simpleGATTprofile_ota.c
    Revised:         
    Revision:       
  
    Description:    This file contains the Simple GATT profile sample GATT service 
                    profile for use with the BLE sample application.
  
   
  **************************************************************************************************/
  
  /*********************************************************************
   * INCLUDES
   */
  #include "bcomdef.h"
  #include "OSAL.h"
  #include "linkdb.h"
  #include "att.h"
  #include "gatt.h"
  #include "gatt_uuid.h"
  #include "gattservapp.h"
  #include "gapbondmgr.h"
  
  #include "simpleGATTprofile_ota.h"
  
  /*********************************************************************
   * MACROS
   */
  
  /*********************************************************************
   * CONSTANTS
   */
  
  #define SERVAPP_NUM_ATTR_SUPPORTED        21
  
  /*********************************************************************
   * TYPEDEFS
   */
  
  /*********************************************************************
   * GLOBAL VARIABLES
   */
  // Simple GATT Profile Service UUID: 0xFFF0
  CONST uint8 simpleProfileServUUID[ATT_BT_UUID_SIZE] =
  { 
    LO_UINT16(SIMPLEPROFILE_SERV_UUID), HI_UINT16(SIMPLEPROFILE_SERV_UUID)
  };
  
  // Characteristic 1 UUID: 0xFFF1
  CONST uint8 simpleProfilechar1UUID[ATT_BT_UUID_SIZE] =
  { 
    LO_UINT16(SIMPLEPROFILE_CHAR1_UUID), HI_UINT16(SIMPLEPROFILE_CHAR1_UUID)
  };
  
  // Characteristic 2 UUID: 0xFFF2
  CONST uint8 simpleProfilechar2UUID[ATT_BT_UUID_SIZE] =
  { 
    LO_UINT16(SIMPLEPROFILE_CHAR2_UUID), HI_UINT16(SIMPLEPROFILE_CHAR2_UUID)
  };
  
  // Characteristic 3 UUID: 0xFFF3
  CONST uint8 simpleProfilechar3UUID[ATT_BT_UUID_SIZE] =
  { 
    LO_UINT16(SIMPLEPROFILE_CHAR3_UUID), HI_UINT16(SIMPLEPROFILE_CHAR3_UUID)
  };
  
  // Characteristic 4 UUID: 0xFFF4
  CONST uint8 simpleProfilechar4UUID[ATT_BT_UUID_SIZE] =
  { 
    LO_UINT16(SIMPLEPROFILE_CHAR4_UUID), HI_UINT16(SIMPLEPROFILE_CHAR4_UUID)
  };
  
  // Characteristic 5 UUID: 0xFFF5
  CONST uint8 simpleProfilechar5UUID[ATT_BT_UUID_SIZE] =
  { 
    LO_UINT16(SIMPLEPROFILE_CHAR5_UUID), HI_UINT16(SIMPLEPROFILE_CHAR5_UUID)
  };
  
  // Characteristic 6 UUID: 0xFFF6
  CONST uint8 simpleProfilechar6UUID[ATT_BT_UUID_SIZE] =
  { 
    LO_UINT16(SIMPLEPROFILE_CHAR6_UUID), HI_UINT16(SIMPLEPROFILE_CHAR6_UUID)
  };
  
  
  /*********************************************************************
   * EXTERNAL VARIABLES
   */
  
  /*********************************************************************
   * EXTERNAL FUNCTIONS
   */
  
  /*********************************************************************
   * LOCAL VARIABLES
   */
  
  static simpleProfileCBs_t *simpleProfile_AppCBs = NULL;
  
  /*********************************************************************
   * Profile Attributes - variables
   */
  
  // Simple Profile Service attribute
  static CONST gattAttrType_t simpleProfileService = { ATT_BT_UUID_SIZE, simpleProfileServUUID };
  
  
  // Simple Profile Characteristic 1 Properties
  static uint8 simpleProfileChar1Props = GATT_PROP_READ | GATT_PROP_WRITE;
  
  // Characteristic 1 Value
  static uint8 simpleProfileChar1[IBEACON_UUID_LEN];// = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0,};
  
  // Simple Profile Characteristic 1 User Description
  static uint8 simpleProfileChar1UserDesp[] = "UUID\0";
  
  
  // Simple Profile Characteristic 2 Properties
  static uint8 simpleProfileChar2Props = GATT_PROP_READ | GATT_PROP_WRITE;
  
  // Characteristic 2 Value
  static uint16 simpleProfileChar2 = 0;
  
  // Simple Profile Characteristic 2 User Description
  static uint8 simpleProfileChar2UserDesp[] = "Major\0";
  
  
  // Simple Profile Characteristic 3 Properties
  static uint8 simpleProfileChar3Props = GATT_PROP_READ | GATT_PROP_WRITE;
  
  // Characteristic 3 Value
  static uint16 simpleProfileChar3 = 0;
  
  // Simple Profile Characteristic 3 User Description
  static uint8 simpleProfileChar3UserDesp[] = "Minor\0";
  
  
  // Simple Profile Characteristic 4 Properties
  static uint8 simpleProfileChar4Props = GATT_PROP_READ | GATT_PROP_WRITE;
  
  // Characteristic 4 Value
  static uint8 simpleProfileChar4 = 0;
  
  // Simple Profile Characteristic 4 Configuration Each client has its own
  // instantiation of the Client Characteristic Configuration. Reads of the
  // Client Characteristic Configuration only shows the configuration for
  // that client and writes only affect the configuration of that client.
  static gattCharCfg_t simpleProfileChar4Config[GATT_MAX_NUM_CONN];
                                          
  // Simple Profile Characteristic 4 User Description
  static uint8 simpleProfileChar4UserDesp[] = "Power\0";
  
  
  // Simple Profile Characteristic 5 Properties
  static uint8 simpleProfileChar5Props = GATT_PROP_READ | GATT_PROP_WRITE;   // to change to write only, HZF
  
  // Characteristic 5 Value
  static uint8 simpleProfileChar5 = 0;
  
  // Simple Profile Characteristic 5 User Description
  static uint8 simpleProfileChar5UserDesp[] = "Reset\0";
  
  // Simple Profile Characteristic 6 Properties
  static uint8 simpleProfileChar6Props = GATT_PROP_READ | GATT_PROP_NOTIFY;   
  
  // Characteristic 6 Value
  static uint8 simpleProfileChar6[20];
  
  // Simple Profile Characteristic 6 User Description
  static uint8 simpleProfileChar6UserDesp[] = "NOTIFY\0";
  // Simple Profile Characteristic 1 Configuration Each client has its own
  // instantiation of the Client Characteristic Configuration. Reads of the
  // Client Characteristic Configuration only shows the configuration for
  // that client and writes only affect the configuration of that client.
  static gattCharCfg_t simpleProfileChar6Config[GATT_MAX_NUM_CONN];
  
  
  /*********************************************************************
   * Profile Attributes - Table
   */
  
  static gattAttribute_t simpleProfileAttrTbl[SERVAPP_NUM_ATTR_SUPPORTED] = 
  {
    // Simple Profile Service
    { 
      { ATT_BT_UUID_SIZE, primaryServiceUUID }, /* type */
      GATT_PERMIT_READ,                         /* permissions */
      0,                                        /* handle */
      (uint8 *)&simpleProfileService            /* pValue */
    },
  
      // Characteristic 1 Declaration
      { 
        { ATT_BT_UUID_SIZE, characterUUID },
        GATT_PERMIT_READ, 
        0,
        &simpleProfileChar1Props 
      },
  
        // Characteristic Value 1
        { 
          { ATT_BT_UUID_SIZE, simpleProfilechar1UUID },
          GATT_PERMIT_READ | GATT_PERMIT_WRITE, 
          0, 
          &simpleProfileChar1[0] 
        },
  
        // Characteristic 1 User Description
        { 
          { ATT_BT_UUID_SIZE, charUserDescUUID },
          GATT_PERMIT_READ, 
          0, 
          simpleProfileChar1UserDesp 
        },      
  
      // Characteristic 2 Declaration
      { 
        { ATT_BT_UUID_SIZE, characterUUID },
        GATT_PERMIT_READ, 
        0,
        &simpleProfileChar2Props 
      },
  
        // Characteristic Value 2
        { 
          { ATT_BT_UUID_SIZE, simpleProfilechar2UUID },
          GATT_PERMIT_READ | GATT_PERMIT_WRITE, 
          0, 
          (uint8 *)&simpleProfileChar2 
        },
  
        // Characteristic 2 User Description
        { 
          { ATT_BT_UUID_SIZE, charUserDescUUID },
          GATT_PERMIT_READ, 
          0, 
          simpleProfileChar2UserDesp 
        },           
        
      // Characteristic 3 Declaration
      { 
        { ATT_BT_UUID_SIZE, characterUUID },
        GATT_PERMIT_READ, 
        0,
        &simpleProfileChar3Props 
      },
  
        // Characteristic Value 3
        { 
          { ATT_BT_UUID_SIZE, simpleProfilechar3UUID },
          GATT_PERMIT_READ | GATT_PERMIT_WRITE, 
          0, 
          (uint8 *)&simpleProfileChar3 
        },
  
        // Characteristic 3 User Description
        { 
          { ATT_BT_UUID_SIZE, charUserDescUUID },
          GATT_PERMIT_READ, 
          0, 
          simpleProfileChar3UserDesp 
        },
  
      // Characteristic 4 Declaration
      { 
        { ATT_BT_UUID_SIZE, characterUUID },
        GATT_PERMIT_READ, 
        0,
        &simpleProfileChar4Props 
      },
  
        // Characteristic Value 4
        { 
          { ATT_BT_UUID_SIZE, simpleProfilechar4UUID },
          GATT_PERMIT_READ | GATT_PERMIT_WRITE, 
          0, 
          (uint8 *)&simpleProfileChar4 
        },
  
        // Characteristic 4 User Description
        { 
          { ATT_BT_UUID_SIZE, charUserDescUUID },
          GATT_PERMIT_READ, 
          0, 
          simpleProfileChar4UserDesp 
        },
        
      // Characteristic 5 Declaration
      { 
        { ATT_BT_UUID_SIZE, characterUUID },
        GATT_PERMIT_READ, 
        0,
        &simpleProfileChar5Props 
      },
  
        // Characteristic Value 5
        { 
          { ATT_BT_UUID_SIZE, simpleProfilechar5UUID },
          GATT_PERMIT_READ | GATT_PERMIT_WRITE, 
          0, 
          &simpleProfileChar5 
        },
  
        // Characteristic 5 User Description
        { 
          { ATT_BT_UUID_SIZE, charUserDescUUID },
          GATT_PERMIT_READ, 
          0, 
          simpleProfileChar5UserDesp 
        },
  
      // ----------------------------------------------------------------------
      // Characteristic 6 Declaration, NOTify
      { 
          { ATT_BT_UUID_SIZE, characterUUID },
          GATT_PERMIT_READ, 
          0,
          &simpleProfileChar6Props 
      },
  
      // Characteristic Value 6
      { 
          { ATT_BT_UUID_SIZE, simpleProfilechar6UUID },
          GATT_PERMIT_READ, 
          0, 
          (uint8 *)&simpleProfileChar6 
      },
  
      // Characteristic 6 configuration
      { 
          { ATT_BT_UUID_SIZE, clientCharCfgUUID },
          GATT_PERMIT_READ | GATT_PERMIT_WRITE, 
          0, 
          (uint8 *)simpleProfileChar6Config 
      }, 
  
      // Characteristic 6 User Description
      { 
          { ATT_BT_UUID_SIZE, charUserDescUUID },
          GATT_PERMIT_READ, 
          0, 
          simpleProfileChar6UserDesp 
      }, 
   
  
  
  };
  
  
  /*********************************************************************
   * LOCAL FUNCTIONS
   */
  static uint8 simpleProfile_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr, 
                              uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen );
  static bStatus_t simpleProfile_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
                                   uint8 *pValue, uint8 len, uint16 offset );
  
  static void simpleProfile_HandleConnStatusCB( uint16 connHandle, uint8 changeType );
  
  
  /*********************************************************************
   * PROFILE CALLBACKS
   */
  // Simple Profile Service Callbacks
  CONST gattServiceCBs_t simpleProfileCBs =
  {
    simpleProfile_ReadAttrCB,  // Read callback function pointer
    simpleProfile_WriteAttrCB, // Write callback function pointer
    NULL                       // Authorization callback function pointer
  };
  
  /*********************************************************************
   * PUBLIC FUNCTIONS
   */
  
  /*********************************************************************
   * @fn      SimpleProfile_AddService
   *
   * @brief   Initializes the Simple Profile service by registering
   *          GATT attributes with the GATT server.
   *
   * @param   services - services to add. This is a bit map and can
   *                     contain more than one service.
   *
   * @return  Success or Failure
   */
  bStatus_t SimpleProfile_AddService( uint32 services )
  {
    uint8 status = SUCCESS;
  
    // Initialize Client Characteristic Configuration attributes
    GATTServApp_InitCharCfg( INVALID_CONNHANDLE, simpleProfileChar6Config );
  
    // Register with Link DB to receive link status change callback
    VOID linkDB_Register( simpleProfile_HandleConnStatusCB );  
    
    if ( services & SIMPLEPROFILE_SERVICE )
    {
      // Register GATT attribute list and CBs with GATT Server App
      status = GATTServApp_RegisterService( simpleProfileAttrTbl, 
                                            GATT_NUM_ATTRS( simpleProfileAttrTbl ),
                                            &simpleProfileCBs );
    }
  
    return ( status );
  }
  
  
  /*********************************************************************
   * @fn      SimpleProfile_RegisterAppCBs
   *
   * @brief   Registers the application callback function. Only call 
   *          this function once.
   *
   * @param   callbacks - pointer to application callbacks.
   *
   * @return  SUCCESS or bleAlreadyInRequestedMode
   */
  bStatus_t SimpleProfile_RegisterAppCBs( simpleProfileCBs_t *appCallbacks )
  {
    if ( appCallbacks )
    {
      simpleProfile_AppCBs = appCallbacks;
      
      return ( SUCCESS );
    }
    else
    {
      return ( bleAlreadyInRequestedMode );
    }
  }
    
  
  /*********************************************************************
   * @fn      SimpleProfile_SetParameter
   *
   * @brief   Set a Simple Profile parameter.
   *
   * @param   param - Profile parameter ID
   * @param   len - length of data to right
   * @param   value - pointer to data to write.  This is dependent on
   *          the parameter ID and WILL be cast to the appropriate 
   *          data type (example: data type of uint16 will be cast to 
   *          uint16 pointer).
   *
   * @return  bStatus_t
   */
  bStatus_t SimpleProfile_SetParameter( uint8 param, uint8 len, void *value )
  {
    bStatus_t ret = SUCCESS;
    switch ( param )
    {
      case SIMPLEPROFILE_CHAR1:
        if ( len <= IBEACON_UUID_LEN )   
        {
          osal_memcpy(simpleProfileChar1, value, len);				
        }
        else
        {
          ret = bleInvalidRange;
        }
        break;
  
      case SIMPLEPROFILE_CHAR2:
        if ( len == sizeof ( uint16 ) ) 
        {
          simpleProfileChar2 = (*(uint8 *)value) << 8 | *((uint8 *)value + 1);
        }
        else
        {
          ret = bleInvalidRange;
        }
        break;
  
      case SIMPLEPROFILE_CHAR3:
        if ( len == sizeof ( uint16 ) ) 
        {
          simpleProfileChar3 = (*(uint8 *)value) << 8 | *((uint8 *)value + 1);
        }
        else
        {
          ret = bleInvalidRange;
        }
        break;
  
      case SIMPLEPROFILE_CHAR4:
        if ( len == sizeof ( uint8 ) ) 
        {
          simpleProfileChar4 = *((uint8*)value);
          
          // See if Notification has been enabled
          //GATTServApp_ProcessCharCfg( simpleProfileChar4Config, &simpleProfileChar4, FALSE,
          //                            simpleProfileAttrTbl, GATT_NUM_ATTRS( simpleProfileAttrTbl ),
          //                            INVALID_TASK_ID );
        }
        else
        {
          ret = bleInvalidRange;
        }
        break;
  
      case SIMPLEPROFILE_CHAR5:
        if ( len == sizeof ( uint8 ) ) 
        {
          simpleProfileChar5 = *((uint8*)value);
        }
        else
        {
          ret = bleInvalidRange;
        }
        break;
        
      default:
        ret = INVALIDPARAMETER;
        break;
    }
    
    return ( ret );
  }
  
  /*********************************************************************
   * @fn      SimpleProfile_GetParameter
   *
   * @brief   Get a Simple Profile parameter.
   *
   * @param   param - Profile parameter ID
   * @param   value - pointer to data to put.  This is dependent on
   *          the parameter ID and WILL be cast to the appropriate 
   *          data type (example: data type of uint16 will be cast to 
   *          uint16 pointer).
   *
   * @return  bStatus_t
   */
  bStatus_t SimpleProfile_GetParameter( uint8 param, void *value )
  {
    bStatus_t ret = SUCCESS;
    switch ( param )
    {
      case SIMPLEPROFILE_CHAR1:
        VOID osal_memcpy( value, simpleProfileChar1, IBEACON_UUID_LEN );    
        break;
  
      case SIMPLEPROFILE_CHAR2:
        *((uint16*)value) = simpleProfileChar2;
        break;      
  
      case SIMPLEPROFILE_CHAR3:
        *((uint16*)value) = simpleProfileChar3;
        break;  
  
      case SIMPLEPROFILE_CHAR4:
        *((uint8*)value) = simpleProfileChar4;
  	  //*((uint16*)value) = simpleProfileChar4;
        break;
  
      case SIMPLEPROFILE_CHAR5:
        *((uint8*)value) = simpleProfileChar5;
        break;      
        
      default:
        ret = INVALIDPARAMETER;
        break;
    }
    
    return ( ret );
  }
  
  /*********************************************************************
   * @fn          simpleProfile_ReadAttrCB
   *
   * @brief       Read an attribute.
   *
   * @param       connHandle - connection message was received on
   * @param       pAttr - pointer to attribute
   * @param       pValue - pointer to data to be read
   * @param       pLen - length of data to be read
   * @param       offset - offset of the first octet to be read
   * @param       maxLen - maximum length of data to be read
   *
   * @return      Success or Failure
   */
  static uint8 simpleProfile_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr, 
                              uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen )
  {
    bStatus_t status = SUCCESS;
  
    // If attribute permissions require authorization to read, return error
    if ( gattPermitAuthorRead( pAttr->permissions ) )
    {
      // Insufficient authorization
      return ( ATT_ERR_INSUFFICIENT_AUTHOR );
    }
    
    // Make sure it's not a blob operation (no attributes in the profile are long)
    if ( offset > 0 )
    {
      return ( ATT_ERR_ATTR_NOT_LONG );
    }
   
    if ( pAttr->type.len == ATT_BT_UUID_SIZE )
    {
      // 16-bit UUID
      uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]);
      switch ( uuid )
      {
        // No need for "GATT_SERVICE_UUID" or "GATT_CLIENT_CHAR_CFG_UUID" cases;
        // gattserverapp handles those reads
  
        case SIMPLEPROFILE_CHAR1_UUID:
  	      *pLen = IBEACON_UUID_LEN;
  	      VOID osal_memcpy( pValue, pAttr->pValue, IBEACON_UUID_LEN );
  	      break;
        case SIMPLEPROFILE_CHAR2_UUID:
        case SIMPLEPROFILE_CHAR3_UUID:
  	  	//case SIMPLEPROFILE_CHAR4_UUID:
  	      *pLen = 2;
  	      VOID osal_memcpy( pValue, pAttr->pValue, *pLen );
  	      break;
        case SIMPLEPROFILE_CHAR4_UUID:
        case SIMPLEPROFILE_CHAR5_UUID:
  	      *pLen = 1;
  	      pValue[0] = *pAttr->pValue;
  	      break;
  
        case SIMPLEPROFILE_CHAR6_UUID:
            *pLen = sizeof(simpleProfileChar6);
            VOID osal_memcpy( pValue, pAttr->pValue, *pLen );
            break;    
          
        default:
  	      // Should never get here! (characteristics 3 and 4 do not have read permissions)
  	      *pLen = 0;
  	      status = ATT_ERR_ATTR_NOT_FOUND;
  	      break;
      }
    }
    else
    {
      // 128-bit UUID
      *pLen = 0;
      status = ATT_ERR_INVALID_HANDLE;
    }
  
    return ( status );
  }
  
  /*********************************************************************
   * @fn      simpleProfile_WriteAttrCB
   *
   * @brief   Validate attribute data prior to a write operation
   *
   * @param   connHandle - connection message was received on
   * @param   pAttr - pointer to attribute
   * @param   pValue - pointer to data to be written
   * @param   len - length of data
   * @param   offset - offset of the first octet to be written
   *
   * @return  Success or Failure
   */
   // TODO: test this function
  static bStatus_t simpleProfile_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
                                   uint8 *pValue, uint8 len, uint16 offset )
  {
    bStatus_t status = SUCCESS;
    uint8 notifyApp = 0xFF;
    
    // If attribute permissions require authorization to write, return error
    if ( gattPermitAuthorWrite( pAttr->permissions ) )
    {
      // Insufficient authorization
      return ( ATT_ERR_INSUFFICIENT_AUTHOR );
    }
    
    if ( pAttr->type.len == ATT_BT_UUID_SIZE )
    {
      // 16-bit UUID
      uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]);
      switch ( uuid )
      {
        case SIMPLEPROFILE_CHAR1_UUID:
          //Validate the value
          // Make sure it's not a blob oper
          if ( offset == 0 )
          {
            if ( len != IBEACON_UUID_LEN )
            {
              status = ATT_ERR_INVALID_VALUE_SIZE;
            }
          }
          else
          {
            status = ATT_ERR_ATTR_NOT_LONG;
          }
          
          //Write the value
          if ( status == SUCCESS )
          {
            uint8 *pCurValue = (uint8 *)pAttr->pValue;        
            VOID osal_memcpy( pCurValue, pValue, IBEACON_UUID_LEN );
  		  
            notifyApp = SIMPLEPROFILE_CHAR1;   
          }
               	  	
  	  	break;
        case SIMPLEPROFILE_CHAR2_UUID:	  	
        case SIMPLEPROFILE_CHAR3_UUID:
          //Validate the value
          // Make sure it's not a blob oper
          if ( offset == 0 )
          {
            if ( len != 2 )
            {
              status = ATT_ERR_INVALID_VALUE_SIZE;
            }
          }
          else
          {
            status = ATT_ERR_ATTR_NOT_LONG;
          }
          
          //Write the value
          if ( status == SUCCESS )
          {
            uint8 *pCurValue = (uint8 *)pAttr->pValue;        
            *pCurValue = pValue[0];
            *(pCurValue + 1	) =  pValue[1];   
  
            if( uuid == SIMPLEPROFILE_CHAR2_UUID)
            {
              notifyApp = SIMPLEPROFILE_CHAR2;        
            }
            else
            {
              notifyApp = SIMPLEPROFILE_CHAR3;           
            }
          }
               	  	
  	  	break;	  	
        case SIMPLEPROFILE_CHAR4_UUID:
        case SIMPLEPROFILE_CHAR5_UUID:	  	
  
          //Validate the value
          // Make sure it's not a blob oper
          if ( offset == 0 )
          {
            if ( len != 1 )
            {
              status = ATT_ERR_INVALID_VALUE_SIZE;
            }
          }
          else
          {
            status = ATT_ERR_ATTR_NOT_LONG;
          }
          
          //Write the value
          if ( status == SUCCESS )
          {
            uint8 *pCurValue = (uint8 *)pAttr->pValue;        
            *pCurValue = pValue[0];
  
            if( uuid == SIMPLEPROFILE_CHAR4_UUID )
            {
              notifyApp = SIMPLEPROFILE_CHAR4;        
            }
            else
            {
              notifyApp = SIMPLEPROFILE_CHAR5;           
            }
          }
               
          break;
  
        case GATT_CLIENT_CHAR_CFG_UUID:
          status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len,
                                                   offset, GATT_CLIENT_CFG_NOTIFY );
          break;
          
        default:
          // Should never get here! (characteristics 2 and 4 do not have write permissions)
          status = ATT_ERR_ATTR_NOT_FOUND;
          break;
      }
    }
    else
    {
      // 128-bit UUID
      status = ATT_ERR_INVALID_HANDLE;
    }
  
    // If a charactersitic value changed then callback function to notify application of change
    if ( (notifyApp != 0xFF ) && simpleProfile_AppCBs && simpleProfile_AppCBs->pfnSimpleProfileChange )
    {
      simpleProfile_AppCBs->pfnSimpleProfileChange( notifyApp );  
    }
    
    return ( status );
  }
  
  /*********************************************************************
   * @fn          simpleProfile_HandleConnStatusCB
   *
   * @brief       Simple Profile link status change handler function.
   *
   * @param       connHandle - connection handle
   * @param       changeType - type of change
   *
   * @return      none
   */
  static void simpleProfile_HandleConnStatusCB( uint16 connHandle, uint8 changeType )
  { 
    // Make sure this is not loopback connection
    if ( connHandle != LOOPBACK_CONNHANDLE )
    {
      // Reset Client Char Config if connection has dropped
      if ( ( changeType == LINKDB_STATUS_UPDATE_REMOVED )      ||
           ( ( changeType == LINKDB_STATUS_UPDATE_STATEFLAGS ) && 
             ( !linkDB_Up( connHandle ) ) ) )
      { 
        GATTServApp_InitCharCfg( connHandle, simpleProfileChar4Config );
      }
    }
  }
  
  
  bStatus_t simpleProfile_Notify( uint8 param, uint8 len, void *value )
  {
      bStatus_t ret = SUCCESS;
      uint16 notfEnable;
  
      switch ( param )
      {  
  	    case SIMPLEPROFILE_CHAR6:
          
  	    notfEnable = GATTServApp_ReadCharCfg( 0, simpleProfileChar6Config );
          // If notifications enabled
          if ( notfEnable & GATT_CLIENT_CFG_NOTIFY )
          {
   
            VOID osal_memcpy( simpleProfileChar6, value, len );
  
              ret=GATTServApp_ProcessCharCfg( simpleProfileChar6Config, simpleProfileChar6, FALSE,
                                      simpleProfileAttrTbl, GATT_NUM_ATTRS( simpleProfileAttrTbl ),
                                      INVALID_TASK_ID );    
  
          }
          else
          {
              ret = bleNotReady;
          }
          break;
            
        default:
          ret = INVALIDPARAMETER;
          break;
      }
      
      return ( ret );
  }
  
  
  /*********************************************************************
  *********************************************************************/
  