/*
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
*
* Device 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_USBClassHIDDevice HID Class Device Mode Driver
+ * \defgroup Group_USBClassHIDDevice HID Class Device 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/Device/HID.c
+ * - LUFA/Drivers/USB/Class/Device/HID.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
- * \section Module Description
+ * \section Sec_ModDescription Module Description
* Device Mode USB Class driver framework interface, for the HID USB Class driver.
*
* @{
*/
-
+
#ifndef _HID_CLASS_DEVICE_H_
#define _HID_CLASS_DEVICE_H_
#include "../../USB.h"
#include "../Common/HID.h"
- #include <string.h>
-
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
/* 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: */
*
* Class state structure. An instance of this structure should be made for each HID interface
* 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.
+ * \c HIDInterfaceInfo parameter. This stores each HID interface's configuration and state information.
*
* \note Due to technical limitations, the HID device class driver does not utilize a separate OUT
* endpoint for host->device communications. Instead, the host->device data (if any) is sent to
{
const struct
{
- uint8_t InterfaceNumber; /**< Interface number of the HID interface within the device */
+ uint8_t InterfaceNumber; /**< Interface number of the HID interface within the device. */
+
+ uint8_t ReportINEndpointNumber; /**< Endpoint number of the HID interface's IN report endpoint. */
+ uint16_t ReportINEndpointSize; /**< Size in bytes of the HID interface's IN report endpoint. */
+ bool ReportINEndpointDoubleBank; /**< Indicates if the HID interface's IN report endpoint should use double banking. */
- uint8_t ReportINEndpointNumber; /**< Endpoint number of the HID interface's IN report endpoint */
- uint16_t ReportINEndpointSize; /**< Size in bytes of the HID interface's IN report endpoint */
- bool ReportINEndpointDoubleBank; /**< Indicates if the HID interface's IN report endpoint should use double banking */
-
void* PrevReportINBuffer; /**< Pointer to a buffer where the previously created HID input report can be
* stored by the driver, for comparison purposes to detect report changes that
* must be sent immediately to the host. This should point to a buffer big enough
* to hold the largest HID input report sent from the HID interface. If this is set
- * to NULL, it is up to the user to force transfers when needed in the
+ * to \c NULL, it is up to the user to force transfers when needed in the
* \ref CALLBACK_HID_Device_CreateHIDReport() callback function.
*
* \note Due to the single buffer, the internal driver can only correctly compare
* subsequent reports with identical report IDs. In multiple report devices,
- * this buffer should be set to NULL and the decision to send reports made
+ * this buffer should be set to \c NULL and the decision to send reports made
* by the user application instead.
*/
uint8_t PrevReportINBufferSize; /**< Size in bytes of the given input report buffer. This is used to create a
* second buffer of the same size within the driver so that subsequent reports
* can be compared. If the user app is to determine when reports are to be sent
- * exclusively (i.e. \ref PrevReportINBuffer is NULL) this value must still be
+ * exclusively (i.e. \ref PrevReportINBuffer is \c NULL) this value must still be
* set to the size of the largest report the device can issue to the host.
*/
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
- */
+ */
struct
{
- bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode */
- uint16_t IdleCount; /**< Report idle period, in milliseconds, set by the host */
- uint16_t IdleMSRemaining; /**< Total number of milliseconds remaining before the idle period elapsed - this
- * should be decremented by the user application if non-zero each millisecond */
+ bool UsingReportProtocol; /**< Indicates if the HID interface is set to Boot or Report protocol mode. */
+ uint16_t IdleCount; /**< Report idle period, in milliseconds, set by the host. */
+ uint16_t IdleMSRemaining; /**< Total number of milliseconds remaining before the idle period elapsed - this
+ * should be decremented by the user application if non-zero each millisecond. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* are reset to their defaults when the interface is enumerated.
*/
} USB_ClassInfo_HID_Device_t;
-
+
/* Function Prototypes: */
/** Configures the endpoints of a given HID interface, ready for use. This should be linked to the library
* \ref EVENT_USB_Device_ConfigurationChanged() event so that the endpoints are configured when the configuration
* containing the given HID interface is selected.
*
- * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state
+ * \note The endpoint index numbers as given in the interface's configuration structure must not overlap with any other
+ * interface, or endpoint bank corruption will occur. Gaps in the allocated endpoint numbers or non-sequential indexes
+ * within a single interface is allowed, but no two interfaces of any type have have interleaved endpoint indexes.
+ *
+ * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.
*
- * \return Boolean true if the endpoints were successfully configured, false otherwise
+ * \return Boolean \c true if the endpoints were successfully configured, \c false otherwise.
*/
- bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
+ bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
/** Processes incoming control requests from the host, that are directed to the given HID class interface. This should be
- * linked to the library \ref EVENT_USB_Device_UnhandledControlRequest() event.
+ * linked to the library \ref EVENT_USB_Device_ControlRequest() event.
*
- * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state
- */
- void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+ * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.
+ */
+ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** General management task for a given HID 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 configuration and state
+ * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.
*/
- void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
+ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
+
/** HID class driver callback for the user creation of a HID IN report. This callback may fire in response to either
* HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback the
* user is responsible for the creation of the next HID input report to be sent to the host.
*
- * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state
- * \param[in,out] ReportID If preset to a non-zero value, this is the report ID being requested by the host. If zero,
+ * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.
+ * \param[in,out] ReportID If preset to a non-zero value, this is the report ID being requested by the host. If zero,
* this should be set to the report ID of the generated HID input report (if any). If multiple
* reports are not sent via the given HID interface, this parameter should be ignored.
- * \param[in] ReportType Type of HID report to generate, either \ref REPORT_ITEM_TYPE_In or \ref REPORT_ITEM_TYPE_Feature
- * \param[out] ReportData Pointer to a buffer where the generated HID report should be stored
- * \param[out] ReportSize Number of bytes in the generated input report, or zero if no report is to be sent
+ * \param[in] ReportType Type of HID report to generate, either \ref HID_REPORT_ITEM_In or \ref HID_REPORT_ITEM_Feature.
+ * \param[out] ReportData Pointer to a buffer where the generated HID report should be stored.
+ * \param[out] ReportSize Number of bytes in the generated input report, or zero if no report is to be sent.
*
- * \return Boolean true to force the sending of the report even if it is identical to the previous report and still within
- * the idle period (useful for devices which report relative movement), false otherwise
+ * \return Boolean \c true to force the sending of the report even if it is identical to the previous report and still within
+ * the idle period (useful for devices which report relative movement), \c false otherwise.
*/
- bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
- const uint8_t ReportType, void* ReportData, uint16_t* ReportSize) ATTR_NON_NULL_PTR_ARG(1)
+ bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
+ uint8_t* const ReportID,
+ const uint8_t ReportType,
+ void* ReportData,
+ uint16_t* const ReportSize) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(2) ATTR_NON_NULL_PTR_ARG(4) ATTR_NON_NULL_PTR_ARG(5);
-
+
/** HID class driver callback for the user processing of a received HID OUT report. This callback may fire in response to
* either HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback
* the user is responsible for the processing of the received HID output report from the host.
*
- * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state
+ * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.
* \param[in] ReportID Report ID of the received output report. If multiple reports are not received via the given HID
* interface, this parameter should be ignored.
- * \param[in] ReportType Type of received HID report, either \ref REPORT_ITEM_TYPE_Out or \ref REPORT_ITEM_TYPE_Feature
+ * \param[in] ReportType Type of received HID report, either \ref HID_REPORT_ITEM_Out or \ref HID_REPORT_ITEM_Feature.
* \param[in] ReportData Pointer to a buffer where the received HID report is stored.
* \param[in] ReportSize Size in bytes of the received report from the host.
*/
- void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,
- const uint8_t ReportType, const void* ReportData, const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1)
- ATTR_NON_NULL_PTR_ARG(4);
+ void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
+ const uint8_t ReportID,
+ const uint8_t ReportType,
+ const void* ReportData,
+ const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(4);
/* Inline Functions: */
/** Indicates that a millisecond of idle time has elapsed on the given HID interface, and the interface's idle count should be
* decremented. This should be called once per millisecond so that hardware key-repeats function correctly. It is recommended
* that this be called by the \ref EVENT_USB_Device_StartOfFrame() event, once SOF events have been enabled via
- * \ref USB_Device_EnableSOFEvents();.
+ * \ref USB_Device_EnableSOFEvents().
*
- * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state
+ * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class configuration and state.
*/
- static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo);
- static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo)
+ static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) ATTR_ALWAYS_INLINE ATTR_NON_NULL_PTR_ARG(1);
+ static inline void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
{
if (HIDInterfaceInfo->State.IdleMSRemaining)
HIDInterfaceInfo->State.IdleMSRemaining--;
}
-
+
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
-
+
#endif
/** @} */
+
projects / pub / USBasp.git / blobdiff