X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/fc92f9969c1fcc2f952f0bd6d09a309a9b3ce02f..02dfd7dc3ddf5f485bdd47d45867fa58b569ca2f:/LUFA/Drivers/USB/Class/Host/HID.h?ds=sidebyside diff --git a/LUFA/Drivers/USB/Class/Host/HID.h b/LUFA/Drivers/USB/Class/Host/HID.h index 1988e5d33..bd67f8f18 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, 2010. - + Copyright (C) Dean Camera, 2011. + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2011 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 @@ -33,19 +33,18 @@ * * Host 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 - * @defgroup Group_USBClassHIDHost HID Class Host Mode Driver + * \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 - * - LUFA/Drivers/USB/Class/Host/HIDParser.c + * - LUFA/Drivers/USB/Class/Host/HID.c (Makefile source module name: LUFA_SRC_USBCLASS) * - * \section Module Description + * \section Sec_ModDescription Module Description * Host Mode USB Class driver framework interface, for the HID USB Class driver. * * @{ @@ -57,8 +56,7 @@ /* Includes: */ #include "../../USB.h" #include "../Common/HID.h" - #include "HIDParser.h" - + /* Enable C linkage for C++ Compilers: */ #if defined(__cplusplus) extern "C" { @@ -66,41 +64,40 @@ /* 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 /* Public Interface - May be used in end-application: */ /* Macros: */ /** Error code for some HID Host functions, indicating a logical (and not hardware) error. */ #define HID_ERROR_LOGICAL 0x80 - + /* Type Defines: */ /** \brief HID Class Host Mode Configuration and State Structure. * * 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 + * and passed to each of the HID class driver functions as the \c 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 */ - bool DataINPipeDoubleBank; /**< Indicates if the HID interface's IN data pipe should use double banking */ + 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 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, 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 + * boot subclass protocol is required, a protocol value from the + * \ref HID_Descriptor_ClassSubclassProtocol_t enum. */ #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, + * \note When the \c HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, * this method is unavailable. */ #endif @@ -111,23 +108,23 @@ { bool IsActive; /**< 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 + * Configured state. */ - uint8_t InterfaceNumber; /**< Interface index of the HID interface within the attached device */ + 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. */ - 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 SupportsBootProtocol; /**< Indicates if the current interface instance supports the HID Boot - * Protocol when enabled via \ref HID_Host_SetBootProtocol() + * Protocol when enabled via \ref HID_Host_SetBootProtocol(). */ 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 */ + 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. @@ -136,15 +133,14 @@ /* Enums: */ /** Enum for the possible error codes returned by the \ref HID_Host_ConfigurePipes() function. */ - enum HIDHost_EnumerationFailure_ErrorCodes_t + enum HID_Host_EnumerationFailure_ErrorCodes_t { - 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_NoHIDDescriptorFound = 3, /**< The HID descriptor was not found in the device's HID interface */ - HID_ENUMERROR_EndpointsNotFound = 4, /**< Compatible HID endpoints were not found in the device's HID interface */ + HID_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */ + HID_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */ + HID_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible HID interface was not found in the device's Configuration Descriptor. */ + HID_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */ }; - + /* Function Prototypes: */ /** 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 @@ -152,79 +148,85 @@ * device. This should be called once after the stack has enumerated the attached device, while the host state * machine is in the Addressed state. * + * \note The pipe index numbers as given in the interface's configuration structure must not overlap with any other + * interface, or pipe bank corruption will occur. Gaps in the allocated pipe numbers or non-sequential indexes + * within a single interface is allowed, but no two interfaces of any type have have interleaved pipe indexes. + * \n\n + * * \note Once the device pipes are configured, the HID device's reporting protocol must be set via a call * 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] ConfigDescriptorSize Length of the attached device's Configuration Descriptor - * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * \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 + * \return A value from the \ref HID_Host_EnumerationFailure_ErrorCodes_t enum. */ - uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, uint16_t ConfigDescriptorSize, + 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. - * \n\n + * + * \pre This function must only be called when the Host state machine is in the \ref 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 + * \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 + * \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); + 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. - * \n\n + * \pre This function must only be called when the Host state machine is in the \ref 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. + * \note When the \c 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 + * \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 + * \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, + 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 or FEATURE 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. - * \n\n + * \pre This function must only be called when the Host state machine is in the \ref 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 + * \note When the \c 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] ReportType Type of report to issue to the device, either \ref REPORT_ITEM_TYPE_Out or \ref REPORT_ITEM_TYPE_Feature - * \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 + * \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] ReportType Type of report to issue to the device, either \ref HID_REPORT_ITEM_Out or \ref HID_REPORT_ITEM_Feature. + * \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 + * 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 - const uint8_t ReportType, void* Buffer, const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1) + const uint8_t ReportType, + void* Buffer, + const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1) #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) ATTR_NON_NULL_PTR_ARG(4); #else @@ -233,24 +235,24 @@ /** 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. + * \pre This function must only be called when the Host state machine is in the \ref 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 + * \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 + * \return Boolean \c true if a report has been received, \c false otherwise. */ 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 + * \note When the \c 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 + * \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 + * \ref USB_Host_SendControlErrorCodes_t enum otherwise. */ uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); @@ -262,47 +264,41 @@ * Report Parser this function references must be implemented in the user code. * \n\n * - * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable. + * \note When the \c 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,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 * Report descriptor or the setting of the Report protocol, \ref HID_ERROR_LOGICAL if the HID interface does * 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 + * and a value from the \ref HID_Parse_ErrorCodes_t otherwise. */ 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 + * \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: */ - #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) + #if defined(__INCLUDE_FROM_HID_HOST_C) static uint8_t DCOMP_HID_Host_NextHIDInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); - static uint8_t DCOMP_HID_NextHID(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + static uint8_t DCOMP_HID_Host_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 - + #endif + #endif + /* Disable C linkage for C++ Compilers: */ #if defined(__cplusplus) } @@ -311,3 +307,4 @@ #endif /** @} */ +