diff --git a/libraries/USB/usb_regs.c b/libraries/USB/usb_regs.c
deleted file mode 100644
--- a/libraries/USB/usb_regs.c
+++ /dev/null
@@ -1,760 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usb_regs.c
-  * @author  MCD Application Team
-  * @version V4.0.0
-  * @date    28-August-2012
-  * @brief   Interface functions to USB cell registers
-  ******************************************************************************
-  * @attention
-  *
-  * 
© COPYRIGHT 2012 STMicroelectronics
-  *
-  * Licensed under MCD-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 "usb_lib.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Extern variables ----------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name  : SetCNTR.
-* Description    : Set the CNTR register value.
-* Input          : wRegValue: new register value.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetCNTR(uint16_t wRegValue)
-{
-  _SetCNTR(wRegValue);
-}
-
-/*******************************************************************************
-* Function Name  : GetCNTR.
-* Description    : returns the CNTR register value.
-* Input          : None.
-* Output         : None.
-* Return         : CNTR register Value.
-*******************************************************************************/
-uint16_t GetCNTR(void)
-{
-  return(_GetCNTR());
-}
-
-/*******************************************************************************
-* Function Name  : SetISTR.
-* Description    : Set the ISTR register value.
-* Input          : wRegValue: new register value.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetISTR(uint16_t wRegValue)
-{
-  _SetISTR(wRegValue);
-}
-
-/*******************************************************************************
-* Function Name  : GetISTR
-* Description    : Returns the ISTR register value.
-* Input          : None.
-* Output         : None.
-* Return         : ISTR register Value
-*******************************************************************************/
-uint16_t GetISTR(void)
-{
-  return(_GetISTR());
-}
-
-/*******************************************************************************
-* Function Name  : GetFNR
-* Description    : Returns the FNR register value.
-* Input          : None.
-* Output         : None.
-* Return         : FNR register Value
-*******************************************************************************/
-uint16_t GetFNR(void)
-{
-  return(_GetFNR());
-}
-
-/*******************************************************************************
-* Function Name  : SetDADDR
-* Description    : Set the DADDR register value.
-* Input          : wRegValue: new register value.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetDADDR(uint16_t wRegValue)
-{
-  _SetDADDR(wRegValue);
-}
-
-/*******************************************************************************
-* Function Name  : GetDADDR
-* Description    : Returns the DADDR register value.
-* Input          : None.
-* Output         : None.
-* Return         : DADDR register Value
-*******************************************************************************/
-uint16_t GetDADDR(void)
-{
-  return(_GetDADDR());
-}
-
-/*******************************************************************************
-* Function Name  : SetBTABLE
-* Description    : Set the BTABLE.
-* Input          : wRegValue: New register value.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetBTABLE(uint16_t wRegValue)
-{
-  _SetBTABLE(wRegValue);
-}
-
-/*******************************************************************************
-* Function Name  : GetBTABLE.
-* Description    : Returns the BTABLE register value.
-* Input          : None. 
-* Output         : None.
-* Return         : BTABLE address.
-*******************************************************************************/
-uint16_t GetBTABLE(void)
-{
-  return(_GetBTABLE());
-}
-
-/*******************************************************************************
-* Function Name  : SetENDPOINT
-* Description    : Set the Endpoint register value.
-* Input          : bEpNum: Endpoint Number. 
-*                  wRegValue.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetENDPOINT(uint8_t bEpNum, uint16_t wRegValue)
-{
-  _SetENDPOINT(bEpNum, wRegValue);
-}
-
-/*******************************************************************************
-* Function Name  : GetENDPOINT
-* Description    : Return the Endpoint register value.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Endpoint register value.
-*******************************************************************************/
-uint16_t GetENDPOINT(uint8_t bEpNum)
-{
-  return(_GetENDPOINT(bEpNum));
-}
-
-/*******************************************************************************
-* Function Name  : SetEPType
-* Description    : sets the type in the endpoint register.
-* Input          : bEpNum: Endpoint Number. 
-*                  wType: type definition.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPType(uint8_t bEpNum, uint16_t wType)
-{
-  _SetEPType(bEpNum, wType);
-}
-
-/*******************************************************************************
-* Function Name  : GetEPType
-* Description    : Returns the endpoint type.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Endpoint Type
-*******************************************************************************/
-uint16_t GetEPType(uint8_t bEpNum)
-{
-  return(_GetEPType(bEpNum));
-}
-
-/*******************************************************************************
-* Function Name  : SetEPTxStatus
-* Description    : Set the status of Tx endpoint.
-* Input          : bEpNum: Endpoint Number. 
-*                  wState: new state.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPTxStatus(uint8_t bEpNum, uint16_t wState)
-{
-  _SetEPTxStatus(bEpNum, wState);
-}
-
-/*******************************************************************************
-* Function Name  : SetEPRxStatus
-* Description    : Set the status of Rx endpoint.
-* Input          : bEpNum: Endpoint Number. 
-*                  wState: new state.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPRxStatus(uint8_t bEpNum, uint16_t wState)
-{
-  _SetEPRxStatus(bEpNum, wState);
-}
-
-/*******************************************************************************
-* Function Name  : SetDouBleBuffEPStall
-* Description    : sets the status for Double Buffer Endpoint to STALL
-* Input          : bEpNum: Endpoint Number. 
-*                  bDir: Endpoint direction.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetDouBleBuffEPStall(uint8_t bEpNum, uint8_t bDir)
-{
-  uint16_t Endpoint_DTOG_Status;
-  Endpoint_DTOG_Status = GetENDPOINT(bEpNum);
-  if (bDir == EP_DBUF_OUT)
-  { /* OUT double buffered endpoint */
-    _SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPRX_DTOG1);
-  }
-  else if (bDir == EP_DBUF_IN)
-  { /* IN double buffered endpoint */
-    _SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPTX_DTOG1);
-  }
-}
-
-/*******************************************************************************
-* Function Name  : GetEPTxStatus
-* Description    : Returns the endpoint Tx status.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Endpoint TX Status
-*******************************************************************************/
-uint16_t GetEPTxStatus(uint8_t bEpNum)
-{
-  return(_GetEPTxStatus(bEpNum));
-}
-
-/*******************************************************************************
-* Function Name  : GetEPRxStatus
-* Description    : Returns the endpoint Rx status.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Endpoint RX Status
-*******************************************************************************/
-uint16_t GetEPRxStatus(uint8_t bEpNum)
-{
-  return(_GetEPRxStatus(bEpNum));
-}
-
-/*******************************************************************************
-* Function Name  : SetEPTxValid
-* Description    : Valid the endpoint Tx Status.
-* Input          : bEpNum: Endpoint Number.  
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPTxValid(uint8_t bEpNum)
-{
-  _SetEPTxStatus(bEpNum, EP_TX_VALID);
-}
-
-/*******************************************************************************
-* Function Name  : SetEPRxValid
-* Description    : Valid the endpoint Rx Status.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPRxValid(uint8_t bEpNum)
-{
-  _SetEPRxStatus(bEpNum, EP_RX_VALID);
-}
-
-/*******************************************************************************
-* Function Name  : SetEP_KIND
-* Description    : Clear the EP_KIND bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEP_KIND(uint8_t bEpNum)
-{
-  _SetEP_KIND(bEpNum);
-}
-
-/*******************************************************************************
-* Function Name  : ClearEP_KIND
-* Description    : set the  EP_KIND bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ClearEP_KIND(uint8_t bEpNum)
-{
-  _ClearEP_KIND(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : Clear_Status_Out
-* Description    : Clear the Status Out of the related Endpoint
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void Clear_Status_Out(uint8_t bEpNum)
-{
-  _ClearEP_KIND(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : Set_Status_Out
-* Description    : Set the Status Out of the related Endpoint
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void Set_Status_Out(uint8_t bEpNum)
-{
-  _SetEP_KIND(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : SetEPDoubleBuff
-* Description    : Enable the double buffer feature for the endpoint. 
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPDoubleBuff(uint8_t bEpNum)
-{
-  _SetEP_KIND(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : ClearEPDoubleBuff
-* Description    : Disable the double buffer feature for the endpoint. 
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ClearEPDoubleBuff(uint8_t bEpNum)
-{
-  _ClearEP_KIND(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : GetTxStallStatus
-* Description    : Returns the Stall status of the Tx endpoint.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Tx Stall status.
-*******************************************************************************/
-uint16_t GetTxStallStatus(uint8_t bEpNum)
-{
-  return(_GetTxStallStatus(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : GetRxStallStatus
-* Description    : Returns the Stall status of the Rx endpoint. 
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Rx Stall status.
-*******************************************************************************/
-uint16_t GetRxStallStatus(uint8_t bEpNum)
-{
-  return(_GetRxStallStatus(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : ClearEP_CTR_RX
-* Description    : Clear the CTR_RX bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ClearEP_CTR_RX(uint8_t bEpNum)
-{
-  _ClearEP_CTR_RX(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : ClearEP_CTR_TX
-* Description    : Clear the CTR_TX bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ClearEP_CTR_TX(uint8_t bEpNum)
-{
-  _ClearEP_CTR_TX(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : ToggleDTOG_RX
-* Description    : Toggle the DTOG_RX bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ToggleDTOG_RX(uint8_t bEpNum)
-{
-  _ToggleDTOG_RX(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : ToggleDTOG_TX
-* Description    : Toggle the DTOG_TX bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ToggleDTOG_TX(uint8_t bEpNum)
-{
-  _ToggleDTOG_TX(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : ClearDTOG_RX.
-* Description    : Clear the DTOG_RX bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ClearDTOG_RX(uint8_t bEpNum)
-{
-  _ClearDTOG_RX(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : ClearDTOG_TX.
-* Description    : Clear the DTOG_TX bit.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void ClearDTOG_TX(uint8_t bEpNum)
-{
-  _ClearDTOG_TX(bEpNum);
-}
-/*******************************************************************************
-* Function Name  : SetEPAddress
-* Description    : Set the endpoint address.
-* Input          : bEpNum: Endpoint Number.
-*                  bAddr: New endpoint address.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPAddress(uint8_t bEpNum, uint8_t bAddr)
-{
-  _SetEPAddress(bEpNum, bAddr);
-}
-/*******************************************************************************
-* Function Name  : GetEPAddress
-* Description    : Get the endpoint address.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Endpoint address.
-*******************************************************************************/
-uint8_t GetEPAddress(uint8_t bEpNum)
-{
-  return(_GetEPAddress(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : SetEPTxAddr
-* Description    : Set the endpoint Tx buffer address.
-* Input          : bEpNum: Endpoint Number.
-*                  wAddr: new address. 
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPTxAddr(uint8_t bEpNum, uint16_t wAddr)
-{
-  _SetEPTxAddr(bEpNum, wAddr);
-}
-/*******************************************************************************
-* Function Name  : SetEPRxAddr
-* Description    : Set the endpoint Rx buffer address.
-* Input          : bEpNum: Endpoint Number.
-*                  wAddr: new address.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPRxAddr(uint8_t bEpNum, uint16_t wAddr)
-{
-  _SetEPRxAddr(bEpNum, wAddr);
-}
-/*******************************************************************************
-* Function Name  : GetEPTxAddr
-* Description    : Returns the endpoint Tx buffer address.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Rx buffer address. 
-*******************************************************************************/
-uint16_t GetEPTxAddr(uint8_t bEpNum)
-{
-  return(_GetEPTxAddr(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : GetEPRxAddr.
-* Description    : Returns the endpoint Rx buffer address.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Rx buffer address.
-*******************************************************************************/
-uint16_t GetEPRxAddr(uint8_t bEpNum)
-{
-  return(_GetEPRxAddr(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : SetEPTxCount.
-* Description    : Set the Tx count.
-* Input          : bEpNum: Endpoint Number.
-*                  wCount: new count value.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPTxCount(uint8_t bEpNum, uint16_t wCount)
-{
-  _SetEPTxCount(bEpNum, wCount);
-}
-/*******************************************************************************
-* Function Name  : SetEPCountRxReg.
-* Description    : Set the Count Rx Register value.
-* Input          : *pdwReg: point to the register.
-*                  wCount: the new register value.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPCountRxReg(uint32_t *pdwReg, uint16_t wCount)
-{
-  _SetEPCountRxReg(dwReg, wCount);
-}
-/*******************************************************************************
-* Function Name  : SetEPRxCount
-* Description    : Set the Rx count.
-* Input          : bEpNum: Endpoint Number. 
-*                  wCount: the new count value.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPRxCount(uint8_t bEpNum, uint16_t wCount)
-{
-  _SetEPRxCount(bEpNum, wCount);
-}
-/*******************************************************************************
-* Function Name  : GetEPTxCount
-* Description    : Get the Tx count.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None
-* Return         : Tx count value.
-*******************************************************************************/
-uint16_t GetEPTxCount(uint8_t bEpNum)
-{
-  return(_GetEPTxCount(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : GetEPRxCount
-* Description    : Get the Rx count.
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : Rx count value.
-*******************************************************************************/
-uint16_t GetEPRxCount(uint8_t bEpNum)
-{
-  return(_GetEPRxCount(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : SetEPDblBuffAddr
-* Description    : Set the addresses of the buffer 0 and 1.
-* Input          : bEpNum: Endpoint Number.  
-*                  wBuf0Addr: new address of buffer 0. 
-*                  wBuf1Addr: new address of buffer 1.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPDblBuffAddr(uint8_t bEpNum, uint16_t wBuf0Addr, uint16_t wBuf1Addr)
-{
-  _SetEPDblBuffAddr(bEpNum, wBuf0Addr, wBuf1Addr);
-}
-/*******************************************************************************
-* Function Name  : SetEPDblBuf0Addr
-* Description    : Set the Buffer 1 address.
-* Input          : bEpNum: Endpoint Number
-*                  wBuf0Addr: new address.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPDblBuf0Addr(uint8_t bEpNum, uint16_t wBuf0Addr)
-{
-  _SetEPDblBuf0Addr(bEpNum, wBuf0Addr);
-}
-/*******************************************************************************
-* Function Name  : SetEPDblBuf1Addr
-* Description    : Set the Buffer 1 address.
-* Input          : bEpNum: Endpoint Number
-*                  wBuf1Addr: new address.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPDblBuf1Addr(uint8_t bEpNum, uint16_t wBuf1Addr)
-{
-  _SetEPDblBuf1Addr(bEpNum, wBuf1Addr);
-}
-/*******************************************************************************
-* Function Name  : GetEPDblBuf0Addr
-* Description    : Returns the address of the Buffer 0.
-* Input          : bEpNum: Endpoint Number.
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-uint16_t GetEPDblBuf0Addr(uint8_t bEpNum)
-{
-  return(_GetEPDblBuf0Addr(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : GetEPDblBuf1Addr
-* Description    : Returns the address of the Buffer 1.
-* Input          : bEpNum: Endpoint Number.
-* Output         : None.
-* Return         : Address of the Buffer 1.
-*******************************************************************************/
-uint16_t GetEPDblBuf1Addr(uint8_t bEpNum)
-{
-  return(_GetEPDblBuf1Addr(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : SetEPDblBuffCount
-* Description    : Set the number of bytes for a double Buffer 
-*                  endpoint.
-* Input          : bEpNum,bDir, wCount
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPDblBuffCount(uint8_t bEpNum, uint8_t bDir, uint16_t wCount)
-{
-  _SetEPDblBuffCount(bEpNum, bDir, wCount);
-}
-/*******************************************************************************
-* Function Name  : SetEPDblBuf0Count
-* Description    : Set the number of bytes in the buffer 0 of a double Buffer 
-*                  endpoint.
-* Input          : bEpNum, bDir,  wCount
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPDblBuf0Count(uint8_t bEpNum, uint8_t bDir, uint16_t wCount)
-{
-  _SetEPDblBuf0Count(bEpNum, bDir, wCount);
-}
-/*******************************************************************************
-* Function Name  : SetEPDblBuf1Count
-* Description    : Set the number of bytes in the buffer 0 of a double Buffer 
-*                  endpoint.
-* Input          : bEpNum,  bDir,  wCount
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void SetEPDblBuf1Count(uint8_t bEpNum, uint8_t bDir, uint16_t wCount)
-{
-  _SetEPDblBuf1Count(bEpNum, bDir, wCount);
-}
-/*******************************************************************************
-* Function Name  : GetEPDblBuf0Count
-* Description    : Returns the number of byte received in the buffer 0 of a double
-*                  Buffer endpoint.
-* Input          : bEpNum: Endpoint Number.
-* Output         : None.
-* Return         : Endpoint Buffer 0 count
-*******************************************************************************/
-uint16_t GetEPDblBuf0Count(uint8_t bEpNum)
-{
-  return(_GetEPDblBuf0Count(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : GetEPDblBuf1Count
-* Description    : Returns the number of data received in the buffer 1 of a double
-*                  Buffer endpoint.
-* Input          : bEpNum: Endpoint Number.
-* Output         : None.
-* Return         : Endpoint Buffer 1 count.
-*******************************************************************************/
-uint16_t GetEPDblBuf1Count(uint8_t bEpNum)
-{
-  return(_GetEPDblBuf1Count(bEpNum));
-}
-/*******************************************************************************
-* Function Name  : GetEPDblBufDir
-* Description    : gets direction of the double buffered endpoint
-* Input          : bEpNum: Endpoint Number. 
-* Output         : None.
-* Return         : EP_DBUF_OUT, EP_DBUF_IN,
-*                  EP_DBUF_ERR if the endpoint counter not yet programmed.
-*******************************************************************************/
-EP_DBUF_DIR GetEPDblBufDir(uint8_t bEpNum)
-{
-  if ((uint16_t)(*_pEPRxCount(bEpNum) & 0xFC00) != 0)
-    return(EP_DBUF_OUT);
-  else if (((uint16_t)(*_pEPTxCount(bEpNum)) & 0x03FF) != 0)
-    return(EP_DBUF_IN);
-  else
-    return(EP_DBUF_ERR);
-}
-/*******************************************************************************
-* Function Name  : FreeUserBuffer
-* Description    : free buffer used from the application realizing it to the line
-                   toggles bit SW_BUF in the double buffered endpoint register
-* Input          : bEpNum, bDir
-* Output         : None.
-* Return         : None.
-*******************************************************************************/
-void FreeUserBuffer(uint8_t bEpNum, uint8_t bDir)
-{
-  if (bDir == EP_DBUF_OUT)
-  { /* OUT double buffered endpoint */
-    _ToggleDTOG_TX(bEpNum);
-  }
-  else if (bDir == EP_DBUF_IN)
-  { /* IN double buffered endpoint */
-    _ToggleDTOG_RX(bEpNum);
-  }
-}
-
-/*******************************************************************************
-* Function Name  : ToWord
-* Description    : merge two byte in a word.
-* Input          : bh: byte high, bl: bytes low.
-* Output         : None.
-* Return         : resulted word.
-*******************************************************************************/
-uint16_t ToWord(uint8_t bh, uint8_t bl)
-{
-  uint16_t wRet;
-  wRet = (uint16_t)bl | ((uint16_t)bh << 8);
-  return(wRet);
-}
-/*******************************************************************************
-* Function Name  : ByteSwap
-* Description    : Swap two byte in a word.
-* Input          : wSwW: word to Swap.
-* Output         : None.
-* Return         : resulted word.
-*******************************************************************************/
-uint16_t ByteSwap(uint16_t wSwW)
-{
-  uint8_t bTemp;
-  uint16_t wRet;
-  bTemp = (uint8_t)(wSwW & 0xff);
-  wRet =  (wSwW >> 8) | ((uint16_t)bTemp << 8);
-  return(wRet);
-}
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/