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152 lines
5.3 KiB
C
152 lines
5.3 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/**\file
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*
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* \section Purpose
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*
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* Definition of methods for using a HID mouse device driver.
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*
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* \section Usage
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*
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* -# Re-implement the USBDCallbacks_RequestReceived callback to forward
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* requests to HIDDMouseDriver_RequestHandler. This is done
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* automatically unless the NOAUTOCALLBACK symbol is defined during
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* compilation.
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* -# Initialize the driver using HIDDMouseDriver_Initialize. The
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* USB driver is automatically initialized by this method.
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* -# Call the HIDDMouseDriver_ChangePoints method when one or more
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* keys are pressed/released.
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*/
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#ifndef HIDDKEYBOARDDRIVER_H
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#define HIDDKEYBOARDDRIVER_H
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/** \addtogroup usbd_hid_mouse
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*@{
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*/
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/*------------------------------------------------------------------------------
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* Headers
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*------------------------------------------------------------------------------*/
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#include <USBRequests.h>
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#include <HIDDescriptors.h>
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#include <HIDRequests.h>
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#include <USBDDriver.h>
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/*------------------------------------------------------------------------------
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* Definitions
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*------------------------------------------------------------------------------*/
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/** \addtogroup usbd_hid_mouse_button_bitmaps HID Mouse Button bitmaps
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* @{
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* \section Bits
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* - HIDDMouse_LEFT_BUTTON
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* - HIDDMouse_RIGHT_BUTTON
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* - HIDDMouse_MIDDLE_BUTTON
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*/
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/** Left mouse button */
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#define HIDDMouse_LEFT_BUTTON (1 << 0)
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/** Right mouse button */
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#define HIDDMouse_RIGHT_BUTTON (1 << 1)
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/** Middle mouse button */
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#define HIDDMouse_MIDDLE_BUTTON (1 << 2)
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/** @}*/
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/** Size of the report descriptor in bytes. */
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#define HIDDMouseDriver_REPORTDESCRIPTORSIZE 50
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/*------------------------------------------------------------------------------
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* Types
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*------------------------------------------------------------------------------*/
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#ifdef __ICCARM__ /* IAR */
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#pragma pack(1) /* IAR */
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#define __attribute__(...) /* IAR */
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#endif /* IAR */
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/**
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* \typedef HIDDMouseDriverConfigurationDescriptors
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* \brief List of descriptors that make up the configuration descriptors of a
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* device using the HID Mouse driver.
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*/
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typedef struct _HIDDMouseDriverConfigurationDescriptors {
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/** Configuration descriptor. */
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USBConfigurationDescriptor configuration;
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/** Interface descriptor. */
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USBInterfaceDescriptor interface;
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/** HID descriptor. */
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HIDDescriptor1 hid;
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/** Interrupt IN endpoint descriptor. */
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USBEndpointDescriptor interruptIn;
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} __attribute__ ((packed)) HIDDMouseDriverConfigurationDescriptors;
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/**
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* \typedef HIDDMouseInputReport
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* \brief HID input report data struct used by the Mouse driver to notify the
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* host of pressed keys.
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*/
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typedef struct _HIDDMouseInputReport {
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uint8_t bmButtons; /**< Bitmap state of three mouse buttons. */
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int8_t bX; /**< Pointer displacement along the X axis. */
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int8_t bY; /**< Pointer displacement along the Y axis. */
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} __attribute__ ((packed)) HIDDMouseInputReport; /* GCC */
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#ifdef __ICCARM__ /* IAR */
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#pragma pack() /* IAR */
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#endif /* IAR */
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/*------------------------------------------------------------------------------
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* Exported functions
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*------------------------------------------------------------------------------*/
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extern void HIDDMouseDriver_Initialize(const USBDDriverDescriptors *pDescriptors);
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extern void HIDDMouseDriver_ConfigurationChangedHandler(uint8_t cfgnum);
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extern void HIDDMouseDriver_RequestHandler(const USBGenericRequest *request);
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extern uint8_t HIDDMouseDriver_ChangePoints(uint8_t bmButtons,
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int8_t deltaX,
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int8_t deltaY);
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extern void HIDDMouseDriver_RemoteWakeUp(void);
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/**@}*/
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#endif /*#ifndef HIDDKEYBOARDDRIVER_H */
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