X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/328ed71ce728de4a6633d981441ac9837c9cd62a..43b9d552bb0a32c5cd5f9fa72a8cb3c871ad5ef3:/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 88c514b0f..9057845f7 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
@@ -33,8 +33,8 @@
  *
  *  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
@@ -42,10 +42,9 @@
  *
  *  \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 */
+			/** 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
 
 /** @} */
+