diff --git a/usb_pwr.h b/usb_pwr.h
new file mode 100644
--- /dev/null
+++ b/usb_pwr.h
@@ -0,0 +1,72 @@
+/**
+ ******************************************************************************
+ * @file usb_pwr.h
+ * @author MCD Application Team
+ * @version V4.0.0
+ * @date 21-January-2013
+ * @brief Connection/disconnection & power management header
+ ******************************************************************************
+ * @attention
+ *
+ *
© COPYRIGHT 2013 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.
+ *
+ ******************************************************************************
+ */
+
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_PWR_H
+#define __USB_PWR_H
+
+/* Includes ------------------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
+typedef enum _RESUME_STATE
+{
+ RESUME_EXTERNAL,
+ RESUME_INTERNAL,
+ RESUME_LATER,
+ RESUME_WAIT,
+ RESUME_START,
+ RESUME_ON,
+ RESUME_OFF,
+ RESUME_ESOF
+} RESUME_STATE;
+
+typedef enum _DEVICE_STATE
+{
+ UNCONNECTED,
+ ATTACHED,
+ POWERED,
+ SUSPENDED,
+ ADDRESSED,
+ CONFIGURED
+} DEVICE_STATE;
+
+/* Exported constants --------------------------------------------------------*/
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+void Suspend(void);
+void Resume_Init(void);
+void Resume(RESUME_STATE eResumeSetVal);
+RESULT PowerOn(void);
+RESULT PowerOff(void);
+
+/* External variables --------------------------------------------------------*/
+extern __IO uint32_t bDeviceState; /* USB device status */
+extern __IO bool fSuspendEnabled; /* true when suspend is possible */
+
+#endif /*__USB_PWR_H*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/