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+/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ \unit HIDDKeyboardDriver
+
+ !!!Purpose
+
+ Definition of methods for using a HID keyboard device driver.
+
+ !!!Usage
+
+ -# Re-implement the USBDCallbacks_RequestReceived callback to forward
+ requests to HIDDKeyboardDriver_RequestHandler. This is done
+ automatically unless the NOAUTOCALLBACK symbol is defined during
+ compilation.
+ -# Initialize the driver using HIDDKeyboardDriver_Initialize. The
+ USB driver is automatically initialized by this method.
+ -# Call the HIDDKeyboardDriver_ChangeKeys method when one or more
+ keys are pressed/released.
+*/
+
+#ifndef HIDDKEYBOARDDRIVER_H
+#define HIDDKEYBOARDDRIVER_H
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+
+#include <usb/common/core/USBGenericRequest.h>
+
+//------------------------------------------------------------------------------
+// Exported functions
+//------------------------------------------------------------------------------
+
+extern void HIDDKeyboardDriver_Initialize();
+
+extern void HIDDKeyboardDriver_RequestHandler(const USBGenericRequest *request);
+
+extern unsigned char HIDDKeyboardDriver_ChangeKeys(
+ unsigned char *pressedKeys,
+ unsigned char pressedKeysSize,
+ unsigned char *releasedKeys,
+ unsigned char releasedKeysSize);
+
+extern void HIDDKeyboardDriver_RemoteWakeUp(void);
+
+#endif //#ifndef HIDDKEYBOARDDRIVER_H
+
personal git repositories of Harald Welte. Your mileage may vary