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/*
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_USBClassHID
* @defgroup Group_USBClassHIDHost HID Class Host Mode Driver
*
* \section Sec_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/HID.c
*
* \section Module Description
* Host Mode USB Class driver framework interface, for the HID USB Class driver.
*
* @{
*/
#ifndef __HID_CLASS_HOST_H__
#define __HID_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/HID.h"
#include "HIDParser.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the HID class driver functions as the HIDInterfaceInfo parameter. This
* stores each HID interface's configuration and state information.
*/
typedef struct
{
const struct
{
uint8_t DataINPipeNumber; /**< Pipe number of the HID interface's IN data pipe */
uint8_t DataOUTPipeNumber; /**< Pipe number of the HID interface's OUT data pipe */
uint8_t HIDInterfaceProtocol; /**< HID interface protocol value to match against if a specific
* boot subclass protocol is required (e.g. keyboard, mouse), or
* leave as 0 to match against the first HID interface found
*/
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool Active; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref HID_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state
*/
uint8_t InterfaceNumber; /**< Interface index of the HID interface within the attached device */
uint16_t DataINPipeSize; /**< Size in bytes of the HID interface's IN data pipe */
uint16_t DataOUTPipeSize; /**< Size in bytes of the HID interface's OUT data pipe */
bool SupportsBootSubClass; /**< Indicates if the current interface instance supports the HID Boot
* Protocol when enabled via \ref USB_HID_Host_SetProtocol()
*/
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_HID_Host_t;
/* Enums: */
enum
{
HID_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */
HID_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor */
HID_ENUMERROR_NoHIDInterfaceFound = 2, /**< A compatible HID interface was not found in the device's Configuration Descriptor */
HID_ENUMERROR_EndpointsNotFound = 3, /**< Compatible HID endpoints were not found in the device's CDC interface */
} HIDHost_EnumerationFailure_ErrorCodes_t;
/* Function Prototypes: */
void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo);
uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorLength,
uint8_t* DeviceConfigDescriptor);
bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo);
uint8_t USB_HID_Host_SetProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, bool UseReportProtocol);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define HID_INTERFACE_CLASS 0x03
#define HID_FOUND_DATAPIPE_IN (1 << 0)
#define HID_FOUND_DATAPIPE_OUT (1 << 1)
/* Function Prototypes: */
#if defined(INCLUDE_FROM_HID_CLASS_HOST_C)
static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor);
static uint8_t DComp_HID_Host_NextInterfaceHIDDataEndpoint(void* CurrentDescriptor);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */
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