diff --git a/usb_istr.h b/usb_istr.h
new file mode 100644
--- /dev/null
+++ b/usb_istr.h
@@ -0,0 +1,94 @@
+/**
+  ******************************************************************************
+  * @file    usb_istr.h
+  * @author  MCD Application Team
+  * @version V4.0.0
+  * @date    21-January-2013
+  * @brief   This file includes the peripherals header files in the user application.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT 2013 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.
+  *
+  ******************************************************************************
+  */
+
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_ISTR_H
+#define __USB_ISTR_H
+
+/* Includes ------------------------------------------------------------------*/
+#include "usb_conf.h"
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+
+ void USB_Istr(void);
+
+/* function prototypes Automatically built defining related macros */
+
+void EP1_IN_Callback(void);
+void EP2_IN_Callback(void);
+void EP3_IN_Callback(void);
+void EP4_IN_Callback(void);
+void EP5_IN_Callback(void);
+void EP6_IN_Callback(void);
+void EP7_IN_Callback(void);
+
+void EP1_OUT_Callback(void);
+void EP2_OUT_Callback(void);
+void EP3_OUT_Callback(void);
+void EP4_OUT_Callback(void);
+void EP5_OUT_Callback(void);
+void EP6_OUT_Callback(void);
+void EP7_OUT_Callback(void);
+
+#ifdef CTR_CALLBACK
+void CTR_Callback(void);
+#endif
+
+#ifdef DOVR_CALLBACK
+void DOVR_Callback(void);
+#endif
+
+#ifdef ERR_CALLBACK
+void ERR_Callback(void);
+#endif
+
+#ifdef WKUP_CALLBACK
+void WKUP_Callback(void);
+#endif
+
+#ifdef SUSP_CALLBACK
+void SUSP_Callback(void);
+#endif
+
+#ifdef RESET_CALLBACK
+void RESET_Callback(void);
+#endif
+
+#ifdef SOF_CALLBACK
+void SOF_Callback(void);
+#endif
+
+#ifdef ESOF_CALLBACK
+void ESOF_Callback(void);
+#endif
+#endif /*__USB_ISTR_H*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/