X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/fc92f9969c1fcc2f952f0bd6d09a309a9b3ce02f..d41cd9a41aca81eaa21e65e6c53672fe604fa3d5:/LUFA/Drivers/USB/Class/Device/HID.h diff --git a/LUFA/Drivers/USB/Class/Device/HID.h b/LUFA/Drivers/USB/Class/Device/HID.h index b3b67a9a4..b9baf2900 100644 --- a/LUFA/Drivers/USB/Class/Device/HID.h +++ b/LUFA/Drivers/USB/Class/Device/HID.h @@ -1,21 +1,21 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in + without fee, 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 + 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 @@ -33,8 +33,8 @@ * * Device mode driver for the library USB HID Class driver. * - * \note This file should not be included directly. It is automatically included as needed by the class driver - * dispatch header located in LUFA/Drivers/USB/Class/HID.h. + * \note This file should not be included directly. It is automatically included as needed by the USB module driver + * dispatch header located in LUFA/Drivers/USB.h. */ /** \ingroup Group_USBClassHID @@ -42,14 +42,14 @@ * * \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 + * - LUFA/Drivers/USB/Class/Device/HID.c (Makefile source module name: LUFA_SRC_USBCLASS) * * \section Module Description * Device Mode USB Class driver framework interface, for the HID USB Class driver. * * @{ */ - + #ifndef _HID_CLASS_DEVICE_H_ #define _HID_CLASS_DEVICE_H_ @@ -66,9 +66,14 @@ /* Preprocessor Checks: */ #if !defined(__INCLUDE_FROM_HID_DRIVER) - #error Do not include this file directly. Include LUFA/Drivers/Class/HID.h instead. + #error Do not include this file directly. Include LUFA/Drivers/USB.h instead. + #endif + + #if defined(__INCLUDE_FROM_HID_DEVICE_C) && defined(NO_STREAM_CALLBACKS) + #error The NO_STREAM_CALLBACKS compile time option cannot be used in projects using the library Class drivers. #endif + /* Public Interface - May be used in end-application: */ /* Type Defines: */ /** \brief HID Class Device Mode Configuration and State Structure. @@ -85,17 +90,17 @@ { const struct { - uint8_t InterfaceNumber; /**< Interface number of the HID interface within the device */ + 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. */ + bool ReportINEndpointDoubleBank; /**< Indicates if the HID interface's IN report endpoint should use double banking. */ - 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 */ - bool ReportINEndpointDoubleBank; /**< Indicates if the HID interface's IN report endpoint should use double banking */ - void* PrevReportINBuffer; /**< Pointer to a buffer where the previously created HID input report can be * stored by the driver, for comparison purposes to detect report changes that * must be sent immediately to the host. This should point to a buffer big enough * to hold the largest HID input report sent from the HID interface. If this is set - * to NULL, it is up to the user to force transfers when needed in the + * to NULL, it is up to the user to force transfers when needed in the * \ref CALLBACK_HID_Device_CreateHIDReport() callback function. * * \note Due to the single buffer, the internal driver can only correctly compare @@ -111,97 +116,107 @@ */ } Config; /**< Config data for the USB class interface within the device. All elements in this section * must be set or the interface will fail to enumerate and operate correctly. - */ + */ struct { - bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode */ - uint16_t IdleCount; /**< Report idle period, in milliseconds, set by the host */ - uint16_t IdleMSRemaining; /**< Total number of milliseconds remaining before the idle period elapsed - this - * should be decremented by the user application if non-zero each millisecond */ + bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode. */ + uint16_t IdleCount; /**< Report idle period, in milliseconds, set by the host. */ + uint16_t IdleMSRemaining; /**< Total number of milliseconds remaining before the idle period elapsed - this + * should be decremented by the user application if non-zero each millisecond. */ } State; /**< State data for the USB class interface within the device. All elements in this section * are reset to their defaults when the interface is enumerated. */ } USB_ClassInfo_HID_Device_t; - + /* Function Prototypes: */ /** Configures the endpoints of a given HID interface, ready for use. This should be linked to the library * \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration * containing the given HID interface is selected. * - * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state + * \note The endpoint index numbers as given in the interface's configuration structure must not overlap with any other + * interface, or endpoint bank corruption will occur. Gaps in the allocated endpoint numbers or non-sequential indexes + * within a single interface is allowed, but no two interfaces of any type have have interleaved endpoint indexes. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state. * - * \return Boolean true if the endpoints were successfully configured, false otherwise + * \return Boolean true if the endpoints were successfully configured, false otherwise. */ - bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); - + bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + /** Processes incoming control requests from the host, that are directed to the given HID class interface. This should be - * linked to the library \ref EVENT_USB_Device_UnhandledControlRequest() event. + * linked to the library \ref EVENT_USB_Device_ControlRequest() event. * - * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state - */ - void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state. + */ + void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); /** General management task for a given HID class interface, required for the correct operation of the interface. This should * be called frequently in the main program loop, before the master USB management task \ref USB_USBTask(). * - * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state. */ - void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); - + void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + /** HID class driver callback for the user creation of a HID IN report. This callback may fire in response to either * HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback the * user is responsible for the creation of the next HID input report to be sent to the host. * - * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state - * \param[in,out] ReportID If preset to a non-zero value, this is the report ID being requested by the host. If zero, + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state. + * \param[in,out] ReportID If preset to a non-zero value, this is the report ID being requested by the host. If zero, * this should be set to the report ID of the generated HID input report (if any). If multiple * reports are not sent via the given HID interface, this parameter should be ignored. - * \param[in] ReportType Type of HID report to generate, either \ref REPORT_ITEM_TYPE_In or \ref REPORT_ITEM_TYPE_Feature - * \param[out] ReportData Pointer to a buffer where the generated HID report should be stored - * \param[out] ReportSize Number of bytes in the generated input report, or zero if no report is to be sent + * \param[in] ReportType Type of HID report to generate, either \ref HID_REPORT_ITEM_In or \ref HID_REPORT_ITEM_Feature. + * \param[out] ReportData Pointer to a buffer where the generated HID report should be stored. + * \param[out] ReportSize Number of bytes in the generated input report, or zero if no report is to be sent. * * \return Boolean true to force the sending of the report even if it is identical to the previous report and still within - * the idle period (useful for devices which report relative movement), false otherwise + * the idle period (useful for devices which report relative movement), false otherwise. */ - bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID, - const uint8_t ReportType, void* ReportData, uint16_t* ReportSize) ATTR_NON_NULL_PTR_ARG(1) + bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, + uint8_t* const ReportID, + const uint8_t ReportType, + void* ReportData, + uint16_t* const ReportSize) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2) ATTR_NON_NULL_PTR_ARG(4) ATTR_NON_NULL_PTR_ARG(5); - + /** HID class driver callback for the user processing of a received HID OUT report. This callback may fire in response to * either HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback * the user is responsible for the processing of the received HID output report from the host. * - * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state. * \param[in] ReportID Report ID of the received output report. If multiple reports are not received via the given HID * interface, this parameter should be ignored. - * \param[in] ReportType Type of received HID report, either \ref REPORT_ITEM_TYPE_Out or \ref REPORT_ITEM_TYPE_Feature + * \param[in] ReportType Type of received HID report, either \ref HID_REPORT_ITEM_Out or \ref HID_REPORT_ITEM_Feature. * \param[in] ReportData Pointer to a buffer where the received HID report is stored. * \param[in] ReportSize Size in bytes of the received report from the host. */ - void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID, - const uint8_t ReportType, const void* ReportData, const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1) - ATTR_NON_NULL_PTR_ARG(4); + void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, + const uint8_t ReportID, + const uint8_t ReportType, + const void* ReportData, + const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(4); /* Inline Functions: */ /** Indicates that a millisecond of idle time has elapsed on the given HID interface, and the interface's idle count should be * decremented. This should be called once per millisecond so that hardware key-repeats function correctly. It is recommended * that this be called by the \ref EVENT_USB_Device_StartOfFrame() event, once SOF events have been enabled via - * \ref USB_Device_EnableSOFEvents();. + * \ref USB_Device_EnableSOFEvents(). * - * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state. */ - static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo); - static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) + static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1); + static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) { if (HIDInterfaceInfo->State.IdleMSRemaining) HIDInterfaceInfo->State.IdleMSRemaining--; } - + /* Disable C linkage for C++ Compilers: */ #if defined(__cplusplus) } #endif - + #endif /** @} */ +