Add FatFS library to the Webserver project, extend the HTTP server so that it now...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / HID.h
index c0f67e7..3aaf809 100644 (file)
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
                                const struct\r
                                {\r
                                        uint8_t  DataINPipeNumber; /**< Pipe number of the HID interface's IN data pipe */\r
+                                       bool     DataINPipeDoubleBank; /** Indicates if the HID interface's IN data pipe should use double banking */\r
+\r
                                        uint8_t  DataOUTPipeNumber; /**< Pipe number of the HID interface's OUT data pipe */\r
+                                       bool     DataOUTPipeDoubleBank; /** Indicates if the HID interface's OUT data pipe should use double banking */\r
 \r
                                        uint8_t  HIDInterfaceProtocol; /**< HID interface protocol value to match against if a specific\r
-                                                                       *   boot subclass protocol is required (e.g. keyboard, mouse), or\r
-                                                                       *   leave as 0 to match against the first HID interface found\r
+                                                                       *   boot subclass protocol is required, either \ref HID_BOOT_MOUSE_PROTOCOL,\r
+                                                                                                       *   \ref HID_BOOT_KEYBOARD_PROTOCOL or \ref HID_NON_BOOT_PROTOCOL if any\r
+                                                                                                       *   HID device should be enumerated by the interface\r
                                                                        */\r
+                                       #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)\r
                                        HID_ReportInfo_t* HIDParserData; /**< HID parser data to store the parsed HID report data, when boot protocol\r
-                                                                         *   is not used */\r
+                                                                         *   is not used\r
+                                                                                                         *\r
+                                                                         *  \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined,\r
+                                                                         *        this method is unavailable.\r
+                                                                         */\r
+                                       #endif\r
                                } Config; /**< Config data for the USB class interface within the device. All elements in this section\r
                                           *   <b>must</b> be set or the interface will fail to enumerate and operate correctly.\r
                                           */\r
                                        uint16_t DataINPipeSize; /**< Size in bytes of the HID interface's IN data pipe */\r
                                        uint16_t DataOUTPipeSize;  /**< Size in bytes of the HID interface's OUT data pipe */\r
                                        \r
-                                       bool SupportsBootSubClass; /**< Indicates if the current interface instance supports the HID Boot\r
-                                                                   *   Protocol when enabled via \ref USB_HID_Host_SetBootProtocol()\r
+                                       bool SupportsBootProtocol; /**< Indicates if the current interface instance supports the HID Boot\r
+                                                                   *   Protocol when enabled via \ref HID_Host_SetBootProtocol()\r
                                                                    */\r
+                                       bool DeviceUsesOUTPipe; /**< Indicates if the current interface instance uses a separate OUT data pipe for\r
+                                                                *   OUT reports, or if OUT reports are sent via the control pipe instead.\r
+                                                                */\r
+                                       bool UsingBootProtocol; /**< Indicates that the interface is currently initialized in Boot Protocol mode */\r
                                        uint16_t HIDReportSize; /**< Size in bytes of the HID report descriptor in the device */\r
+                                       \r
+                                       uint8_t LargestReportSize; /**< Largest report the device will send, in bytes */\r
                                } State; /**< State data for the USB class interface within the device. All elements in this section\r
                                                  *   <b>may</b> be set to initial values, but may also be ignored to default to sane values when\r
                                                  *   the interface is enumerated.\r
                        };\r
        \r
                /* Function Prototypes: */\r
-                       /** General management task for a given Human Interface Class host class interface, required for the correct operation of\r
-                        *  the interface. This should be called frequently in the main program loop, before the master USB management task\r
-                        *  \ref USB_USBTask().\r
-                        *\r
-                        *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
-                        */\r
-                       void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
-\r
                        /** Host interface configuration routine, to configure a given HID host interface instance using the Configuration\r
                         *  Descriptor read from an attached USB device. This function automatically updates the given HID Host instance's\r
                         *  state values and configures the pipes required to communicate with the interface if it is found within the\r
                         *  machine is in the Addressed state.\r
                         *\r
                         *  \note Once the device pipes are configured, the HID device's reporting protocol <b>must</b> be set via a call\r
-                        *        to either the \ref USB_HID_Host_SetBootProtocol() or \ref USB_HID_Host_SetReportProtocol() function.\r
+                        *        to either the \ref HID_Host_SetBootProtocol() or \ref HID_Host_SetReportProtocol() function.\r
                         *\r
                         *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
-                        *  \param[in] ConfigDescriptorLength  Length of the attached device's Configuration Descriptor\r
+                        *  \param[in] ConfigDescriptorSize  Length of the attached device's Configuration Descriptor\r
                         *  \param[in] DeviceConfigDescriptor  Pointer to a buffer containing the attached device's Configuration Descriptor\r
                         *\r
                         *  \return A value from the \ref HIDHost_EnumerationFailure_ErrorCodes_t enum\r
                         */\r
-                       uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t ConfigDescriptorLength,\r
-                                                       uint8_t* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1, 3);\r
+                       uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+                                                       void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);\r
+\r
+\r
+                       /** Receives a HID IN report from the attached HID device, when a report has been received on the HID IN Data pipe.\r
+                        *  \r
+                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the\r
+                        *        call will fail.\r
+                        *\r
+                        *  \note The destination buffer should be large enough to accommodate the largest report that the attached device\r
+                        *        can generate.\r
+                        *\r
+                        *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
+                        *  \param[in] Buffer  Buffer to store the received report into\r
+                        *\r
+                        *  \return An error code from the \ref Pipe_Stream_RW_ErrorCodes_t enum\r
+                        */\r
+                       uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, void* Buffer)\r
+                                                      ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);\r
+\r
+                       #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)\r
+                       /** Receives a HID IN report from the attached device, by the report ID.\r
+                        *\r
+                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the\r
+                        *        call will fail.\r
+                        *\r
+                        *  \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable.\r
+                        *\r
+                        *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
+                        *  \param[in] ReportID  Report ID of the received report if ControlRequest is false, set by the to the Report ID to fetch\r
+                        *  \param[in] Buffer  Buffer to store the received report into\r
+                        *\r
+                        *  \return A value from the \ref USB_Host_SendControlErrorCodes_t enum\r
+                        */\r
+                       uint8_t HID_Host_ReceiveReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, const uint8_t ReportID,\r
+                                                          void* Buffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);\r
+                       #endif\r
+                       \r
+                       /** Sends an OUT report to the currently attached HID device, using the device's OUT pipe if available or the device's\r
+                        *  Control pipe if not.\r
+                        *\r
+                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the\r
+                        *        call will fail.\r
+                        *\r
+                        *  \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, the ReportID parameter is removed\r
+                        *        from the parameter list of this function.\r
+                        *\r
+                        *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
+                        *  \param[in] ReportID  Report ID of the report to send to the device, or 0 if the device does not use report IDs\r
+                        *  \param[in] Buffer  Buffer containing the report to send to the attached device\r
+                        *  \param[in] ReportSize  Report size in bytes to send to the attached device\r
+                        *\r
+                        *  \return An error code from the \ref USB_Host_SendControlErrorCodes_t enum if the DeviceUsesOUTPipe flag is set in\r
+                        *          the interface's state structure, a value from the \ref Pipe_Stream_RW_ErrorCodes_t enum otherwise\r
+                        */\r
+                       uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,\r
+                       #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)\r
+                                                       const uint8_t ReportID,\r
+                       #endif\r
+                                                       void* Buffer, const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1)\r
+                       #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)\r
+                                                       ATTR_NON_NULL_PTR_ARG(3);\r
+                       #else\r
+                                                       ATTR_NON_NULL_PTR_ARG(2);\r
+                       #endif\r
 \r
-                       /** Determines if a report has been received on the HID interface's IN report pipe, when the device is initialized\r
-                        *  into Report Protocol mode.\r
+                       /** Determines if a HID IN report has been received from the attached device on the data IN pipe.\r
+                        *\r
+                        *  \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the\r
+                        *        call will fail.\r
                         *\r
                         *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
                         *\r
                         *  \return Boolean true if a report has been received, false otherwise\r
                         */\r
-                       bool    HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+                       bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
                        \r
                        /** Switches the attached HID device's reporting protocol over to the Boot Report protocol mode, on supported devices.\r
                         *\r
+                        *  \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method must still be called\r
+                        *        to explicitly place the attached device into boot protocol mode before use.\r
+                        *\r
                         *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
                         *\r
                         *  \return \ref HID_ERROR_LOGICAL if the device does not support Boot Protocol mode, a value from the\r
                         *          \ref USB_Host_SendControlErrorCodes_t enum otherwise\r
                         */\r
-                       uint8_t USB_HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+                       uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
 \r
+                       #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)\r
                        /** Switches the attached HID device's reporting protocol over to the standard Report protocol mode. This also retrieves\r
                         *  and parses the device's HID report descriptor, so that the size of each report can be determined in advance.\r
                         *\r
                         *  \note Whether this function is used or not, the \ref CALLBACK_HIDParser_FilterHIDReportItem() callback from the HID\r
                         *        Report Parser this function references <b>must</b> be implemented in the user code.\r
                         *\r
+                        *  \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable.\r
+                        *\r
                         *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
                         *\r
                         *  \return A value from the \ref USB_Host_SendControlErrorCodes_t enum if an error occurs while retrieving the HID\r
                         *          not have a valid \ref HID_ReportInfo_t structure set in its configuration, a mask of \ref HID_ERROR_LOGICAL\r
                         *          and a value from the \ref HID_Parse_ErrorCodes_t otherwise\r
                         */\r
-                       uint8_t USB_HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
-               \r
+                       uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);\r
+                       #endif\r
+                       \r
+               /* Inline Functions: */\r
+                       /** General management task for a given Human Interface Class host class interface, required for the correct operation of\r
+                        *  the interface. This should be called frequently in the main program loop, before the master USB management task\r
+                        *  \ref USB_USBTask().\r
+                        *\r
+                        *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class host configuration and state\r
+                        */\r
+                       static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo);\r
+                       static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)\r
+                       {\r
+                               (void)HIDInterfaceInfo;\r
+                       }               \r
+\r
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                /* Macros: */\r
 \r
                /* Function Prototypes: */\r
                        #if defined(INCLUDE_FROM_HID_CLASS_HOST_C)\r
-                               static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);\r
-                               static uint8_t DComp_NextHID(void* CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);\r
-                               static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);\r
+                               static uint8_t DComp_HID_Host_NextHIDInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);\r
+                               static uint8_t DComp_NextHID(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);\r
+                               static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);\r
                        #endif  \r
        #endif  \r
        \r