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diff --git a/digital/zigbit/bitcloud/stack/Components/BSP/include/usbController.h b/digital/zigbit/bitcloud/stack/Components/BSP/include/usbController.h
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+/************************************************************//**
+ \file usbController.h
+
+ \brief The header file describes functions for driving usb line.
+
+ \author
+ Atmel Corporation: http://www.atmel.com \n
+ Support email: avr@atmel.com
+
+ Copyright (c) 2008-2011, Atmel Corporation. All rights reserved.
+ Licensed under Atmel's Limited License Agreement (BitCloudTM).
+
+ \internal
+ History:
+ 12/11/08 A. Khromykh - Created
+*****************************************************************/
+#ifndef _USBCONTROLLER_H
+#define _USBCONTROLLER_H
+
+/****************************************************************
+ Prototypes section
+*****************************************************************/
+/************************************************************//**
+\brief Turn on pull-up on D+.
+****************************************************************/
+void BSP_EnableUsb(void);
+
+/************************************************************//**
+\brief Turn off pull-up on D+.
+****************************************************************/
+void BSP_DisableUsb(void);
+
+/************************************************************//**
+\brief Read VBUS line for detection of usb cable connection.
+
+\return
+ 0 - cable is not connected.
+ 1 - cable is not connected.
+****************************************************************/
+uint8_t BSP_ReadVBUS(void);
+
+#endif /* _USBCONTROLLER_H */