diff --git a/libraries/USB/usb_init.c b/libraries/USB/usb_init.c
new file mode 100644
--- /dev/null
+++ b/libraries/USB/usb_init.c
@@ -0,0 +1,76 @@
+/**
+  ******************************************************************************
+  * @file    usb_init.c
+  * @author  MCD Application Team
+  * @version V4.0.0
+  * @date    28-August-2012
+  * @brief   Initialization routines & global variables
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
+  *
+  * 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 ---------------------------------------------------------*/
+/*  The number of current endpoint, it will be used to specify an endpoint */
+ uint8_t	EPindex;
+/*  The number of current device, it is an index to the Device_Table */
+/* uint8_t	Device_no; */
+/*  Points to the DEVICE_INFO structure of current device */
+/*  The purpose of this register is to speed up the execution */
+DEVICE_INFO *pInformation;
+/*  Points to the DEVICE_PROP structure of current device */
+/*  The purpose of this register is to speed up the execution */
+DEVICE_PROP *pProperty;
+/*  Temporary save the state of Rx & Tx status. */
+/*  Whenever the Rx or Tx state is changed, its value is saved */
+/*  in this variable first and will be set to the EPRB or EPRA */
+/*  at the end of interrupt process */
+uint16_t	SaveState ;
+uint16_t  wInterrupt_Mask;
+DEVICE_INFO	Device_Info;
+USER_STANDARD_REQUESTS  *pUser_Standard_Requests;
+
+/* Extern variables ----------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/*******************************************************************************
+* Function Name  : USB_Init
+* Description    : USB system initialization
+* Input          : None.
+* Output         : None.
+* Return         : None.
+*******************************************************************************/
+void USB_Init(void)
+{
+  pInformation = &Device_Info;
+  pInformation->ControlState = 2;
+  pProperty = &Device_Property;
+  pUser_Standard_Requests = &User_Standard_Requests;
+  /* Initialize devices one by one */
+  pProperty->Init();
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/