X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/cd0adb7574525978f50eabd536f7563f2d9f9aa7..d11ed10c5314c44dc01c06954d1d73d4894cbff8:/LUFA/Drivers/USB/Class/Host/HID.h diff --git a/LUFA/Drivers/USB/Class/Host/HID.h b/LUFA/Drivers/USB/Class/Host/HID.h index 95c133419..3aaf809fd 100644 --- a/LUFA/Drivers/USB/Class/Host/HID.h +++ b/LUFA/Drivers/USB/Class/Host/HID.h @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2009. + Copyright (C) Dean Camera, 2010. 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 + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + 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 + 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 @@ -70,14 +70,24 @@ const struct { uint8_t DataINPipeNumber; /**< Pipe number of the HID interface's IN data pipe */ + bool DataINPipeDoubleBank; /** Indicates if the HID interface's IN data pipe should use double banking */ + uint8_t DataOUTPipeNumber; /**< Pipe number of the HID interface's OUT data pipe */ + bool DataOUTPipeDoubleBank; /** Indicates if the HID interface's OUT data pipe should use double banking */ 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 + * boot subclass protocol is required, either \ref HID_BOOT_MOUSE_PROTOCOL, + * \ref HID_BOOT_KEYBOARD_PROTOCOL or \ref HID_NON_BOOT_PROTOCOL if any + * HID device should be enumerated by the interface */ + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) HID_ReportInfo_t* HIDParserData; /**< HID parser data to store the parsed HID report data, when boot protocol - * is not used */ + * is not used + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, + * this method is unavailable. + */ + #endif } 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. */ @@ -93,10 +103,15 @@ uint16_t DataOUTPipeSize; /**< Size in bytes of the HID interface's OUT data pipe */ bool SupportsBootProtocol; /**< Indicates if the current interface instance supports the HID Boot - * Protocol when enabled via \ref USB_HID_Host_SetBootProtocol() + * Protocol when enabled via \ref HID_Host_SetBootProtocol() */ - bool UsingBootProtocol; /**< Indicates that the interface is currently initialised in Boot Protocol mode */ + bool DeviceUsesOUTPipe; /**< Indicates if the current interface instance uses a separate OUT data pipe for + * OUT reports, or if OUT reports are sent via the control pipe instead. + */ + bool UsingBootProtocol; /**< Indicates that the interface is currently initialized in Boot Protocol mode */ uint16_t HIDReportSize; /**< Size in bytes of the HID report descriptor in the device */ + + uint8_t LargestReportSize; /**< Largest report the device will send, in bytes */ } State; /**< State data for the USB class interface within the device. All elements in this section * may be set to initial values, but may also be ignored to default to sane values when * the interface is enumerated. @@ -115,14 +130,6 @@ }; /* Function Prototypes: */ - /** General management task for a given Human Interface Class host 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 host configuration and state - */ - void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); - /** Host interface configuration routine, to configure a given HID host interface instance using the Configuration * Descriptor read from an attached USB device. This function automatically updates the given HID Host instance's * state values and configures the pipes required to communicate with the interface if it is found within the @@ -130,41 +137,112 @@ * machine is in the Addressed state. * * \note Once the device pipes are configured, the HID device's reporting protocol must be set via a call - * to either the \ref USB_HID_Host_SetBootProtocol() or \ref USB_HID_Host_SetReportProtocol() function. + * to either the \ref HID_Host_SetBootProtocol() or \ref HID_Host_SetReportProtocol() function. * * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state - * \param[in] ConfigDescriptorLength Length of the attached device's Configuration Descriptor + * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor * * \return A value from the \ref HIDHost_EnumerationFailure_ErrorCodes_t enum */ - uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorLength, - uint8_t* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1, 3); + uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, uint16_t ConfigDescriptorSize, + void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3); + + + /** Receives a HID IN report from the attached HID device, when a report has been received on the HID IN Data pipe. + * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * + * \note The destination buffer should be large enough to accommodate the largest report that the attached device + * can generate. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state + * \param[in] Buffer Buffer to store the received report into + * + * \return An error code from the \ref Pipe_Stream_RW_ErrorCodes_t enum + */ + uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, void* Buffer) + ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + /** Receives a HID IN report from the attached device, by the report ID. + * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state + * \param[in] ReportID Report ID of the received report if ControlRequest is false, set by the to the Report ID to fetch + * \param[in] Buffer Buffer to store the received report into + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum + */ + uint8_t HID_Host_ReceiveReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, const uint8_t ReportID, + void* Buffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3); + #endif + + /** Sends an OUT report to the currently attached HID device, using the device's OUT pipe if available or the device's + * Control pipe if not. + * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, the ReportID parameter is removed + * from the parameter list of this function. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state + * \param[in] ReportID Report ID of the report to send to the device, or 0 if the device does not use report IDs + * \param[in] Buffer Buffer containing the report to send to the attached device + * \param[in] ReportSize Report size in bytes to send to the attached device + * + * \return An error code from the \ref USB_Host_SendControlErrorCodes_t enum if the DeviceUsesOUTPipe flag is set in + * the interface's state structure, a value from the \ref Pipe_Stream_RW_ErrorCodes_t enum otherwise + */ + uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + const uint8_t ReportID, + #endif + void* Buffer, const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1) + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + ATTR_NON_NULL_PTR_ARG(3); + #else + ATTR_NON_NULL_PTR_ARG(2); + #endif - /** Determines if a report has been received on the HID interface's IN report pipe, when the device is initialized - * into Report Protocol mode. + /** Determines if a HID IN report has been received from the attached device on the data IN pipe. + * + * \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the + * call will fail. * * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state * * \return Boolean true if a report has been received, false otherwise */ - bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); /** Switches the attached HID device's reporting protocol over to the Boot Report protocol mode, on supported devices. * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method must still be called + * to explicitly place the attached device into boot protocol mode before use. + * * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state * * \return \ref HID_ERROR_LOGICAL if the device does not support Boot Protocol mode, a value from the * \ref USB_Host_SendControlErrorCodes_t enum otherwise */ - uint8_t USB_HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) /** Switches the attached HID device's reporting protocol over to the standard Report protocol mode. This also retrieves * and parses the device's HID report descriptor, so that the size of each report can be determined in advance. * * \note Whether this function is used or not, the \ref CALLBACK_HIDParser_FilterHIDReportItem() callback from the HID * Report Parser this function references must be implemented in the user code. * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable. + * * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state * * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum if an error occurs while retrieving the HID @@ -172,8 +250,22 @@ * not have a valid \ref HID_ReportInfo_t structure set in its configuration, a mask of \ref HID_ERROR_LOGICAL * and a value from the \ref HID_Parse_ErrorCodes_t otherwise */ - uint8_t USB_HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); - + uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + #endif + + /* Inline Functions: */ + /** General management task for a given Human Interface Class host 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 host configuration and state + */ + static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo); + static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) + { + (void)HIDInterfaceInfo; + } + /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) /* Macros: */ @@ -184,9 +276,9 @@ /* Function Prototypes: */ #if defined(INCLUDE_FROM_HID_CLASS_HOST_C) - static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); - static uint8_t DComp_NextHID(void* CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); - static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + static uint8_t DComp_HID_Host_NextHIDInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + static uint8_t DComp_NextHID(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); #endif #endif