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qmk_firmware/LUFA/Drivers/USB/Class/Device/HID.h

141 lines
5.4 KiB

/*
LUFA Library
Copyright (C) Dean Camera, 2009.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \ingroup Group_USBDeviceClassDrivers
* @defgroup Group_USBClassHIDDevice HID Device Class Driver - LUFA/Drivers/Class/Device/HID.h
*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Device/HID.c
*
* \section Module Description
* Functions, macros, variables, enums and types related to the management of USB HID Class interfaces
* within a USB device.
*
* @{
*/
#ifndef _HID_CLASS_H_
#define _HID_CLASS_H_
/* Includes: */
#include "../../USB.h"
#include <string.h>
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Macros: */
/** HID Class Specific Request to get the current HID report from the device. */
#define REQ_GetReport 0x01
/** HID Class Specific Request to get the current device idle count. */
#define REQ_GetIdle 0x02
/** HID Class Specific Request to set the current HID report to the device. */
#define REQ_SetReport 0x09
/** HID Class Specific Request to set the device's idle count. */
#define REQ_SetIdle 0x0A
/** HID Class Specific Request to get the current HID report protocol mode. */
#define REQ_GetProtocol 0x03
/** HID Class Specific Request to set the current HID report protocol mode. */
#define REQ_SetProtocol 0x0B
/** Descriptor header type value, to indicate a HID class HID descriptor. */
#define DTYPE_HID 0x21
/** Descriptor header type value, to indicate a HID class HID report descriptor. */
#define DTYPE_Report 0x22
/* Type Defines: */
/** Type define for the HID class specific HID descriptor, to describe the HID device's specifications. Refer to the HID
* specification for details on the structure elements.
*/
typedef struct
{
USB_Descriptor_Header_t Header;
uint16_t HIDSpec;
uint8_t CountryCode;
uint8_t TotalReportDescriptors;
uint8_t HIDReportType;
uint16_t HIDReportLength;
} USB_Descriptor_HID_t;
/** Type define for the data type used to store HID report descriptor elements. */
typedef uint8_t USB_Descriptor_HIDReport_Datatype_t;
/** Class state structure. An instance of this structure should be made for each HID interface
* within the user application, and passed to each of the HID class driver functions as the
* HIDInterfaceInfo parameter. The contents of this structure should be set to their correct
* values when used, or ommitted to force the library to use default values.
*/
typedef struct
{
uint8_t InterfaceNumber; /**< Interface number of the HID interface within the device */
uint8_t ReportINEndpointNumber; /**< Endpoint number of the HID interface's IN report endpoint */
uint16_t ReportINEndpointSize; /**< Size in bytes of the HID interface's IN report endpoint */
uint8_t ReportOUTEndpointNumber; /**< Endpoint number of the HID interface's OUT report endpoint, if used */
uint16_t ReportOUTEndpointSize; /**< Size in bytes of the HID interface's OUT report endpoint, if used */
uint8_t ReportINBufferSize;
bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode */
uint16_t IdleCount; /**< Report idle period, in ms, set by the host */
uint16_t IdleMSRemaining; /**< Total number of ms remaining before the idle period elapses */
} USB_ClassInfo_HID_t;
/* Function Prototypes: */
bool USB_HID_ConfigureEndpoints(USB_ClassInfo_HID_t* HIDInterfaceInfo);
void USB_HID_ProcessControlPacket(USB_ClassInfo_HID_t* HIDInterfaceInfo);
void USB_HID_USBTask(USB_ClassInfo_HID_t* HIDInterfaceInfo);
uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData);
void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, void* ReportData, uint16_t ReportSize);
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */