X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/3ffa7543a05761a0c69144c9b66196b08d8f1249..d03d6513d0d24cf63225c8d3dfa07675d9107f40:/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 8f80ea8c2..9c0400640 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
@@ -28,6 +28,15 @@
this software.
*/
+/** \file
+ * \brief Host mode driver for the library USB HID Class driver.
+ *
+ * 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.
+ */
+
/** \ingroup Group_USBClassHID
* @defgroup Group_USBClassHIDHost HID Class Host Mode Driver
*
@@ -55,13 +64,20 @@
extern "C" {
#endif
+ /* Preprocessor Checks: */
+ #if !defined(__INCLUDE_FROM_HID_DRIVER)
+ #error Do not include this file directly. Include LUFA/Drivers/Class/HID.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: */
- /** Class state structure. An instance of this structure should be made within the user application,
+ /** \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
* stores each HID interface's configuration and state information.
*/
@@ -70,15 +86,24 @@
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, 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.
*/
@@ -94,13 +119,15 @@
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 DeviceUsesOUTPipe; /**< Indicates if the current interface instance uses a seperate OUT data pipe for
+ 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 initialised in Boot Protocol mode */
+ 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.
@@ -119,14 +146,6 @@
};
/* 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* const 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
@@ -134,7 +153,7 @@
* 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] ConfigDescriptorSize Length of the attached device's Configuration Descriptor
@@ -143,19 +162,34 @@
* \return A value from the \ref HIDHost_EnumerationFailure_ErrorCodes_t enum
*/
uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, uint16_t ConfigDescriptorSize,
- uint8_t* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1, 3);
+ 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
+ *
+ * \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, 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);
- /** Received a HID IN report from the attached device, by the report ID.
+ #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
+ *
+ * \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
@@ -164,11 +198,19 @@
* \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, 3);
-
+ 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.
+ * \n\n
+ *
+ * \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
@@ -177,11 +219,22 @@
* \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, const uint8_t ReportID,
- void* Buffer, const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1, 3);
+ 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 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
@@ -190,18 +243,25 @@
/** 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* const 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.
+ * \n\n
+ *
+ * \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
*
@@ -210,8 +270,22 @@
* 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* const 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: */
@@ -221,10 +295,10 @@
#define HID_FOUND_DATAPIPE_OUT (1 << 1)
/* 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);
+ #if defined(__INCLUDE_FROM_HID_CLASS_HOST_C)
+ 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