diff options
Diffstat (limited to 'LUFA/Drivers/USB/HighLevel')
| -rw-r--r-- | LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c | 141 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h | 271 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/HighLevel/Events.h | 12 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/HighLevel/StdDescriptors.c | 44 | ||||
| -rw-r--r-- | LUFA/Drivers/USB/HighLevel/StdDescriptors.h | 27 |
5 files changed, 412 insertions, 83 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c new file mode 100644 index 000000000..bbe258b3a --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c @@ -0,0 +1,141 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ 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
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#include "ConfigDescriptor.h"
+
+#if defined(USB_CAN_BE_HOST)
+uint8_t USB_GetDeviceConfigDescriptor(uint16_t* const ConfigSizePtr, void* BufferPtr)
+{
+ uint8_t ErrorCode;
+
+ USB_ControlRequest = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),
+ .bRequest = REQ_GetDescriptor,
+ .wValue = (DTYPE_Configuration << 8),
+ .wIndex = 0,
+ .wLength = sizeof(USB_Descriptor_Configuration_Header_t),
+ };
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ if (BufferPtr == NULL)
+ {
+ uint8_t ConfigHeader[sizeof(USB_Descriptor_Configuration_Header_t)];
+
+ ErrorCode = USB_Host_SendControlRequest(ConfigHeader);
+
+ #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
+ *ConfigSizePtr = DESCRIPTOR_CAST(ConfigHeader, USB_Descriptor_Configuration_Header_t).TotalConfigurationSize;
+ #else
+ *ConfigSizePtr = DESCRIPTOR_CAST(ConfigHeader, USB_Descriptor_Configuration_Header_t).wTotalLength;
+ #endif
+ }
+ else
+ {
+ USB_ControlRequest.wLength = *ConfigSizePtr;
+
+ ErrorCode = USB_Host_SendControlRequest(BufferPtr);
+ }
+
+ return ErrorCode;
+}
+#endif
+
+void USB_GetNextDescriptorOfType(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc,
+ const uint8_t Type)
+{
+ while (*BytesRem)
+ {
+ USB_GetNextDescriptor(BytesRem, CurrConfigLoc);
+
+ if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type)
+ return;
+ }
+}
+
+void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc,
+ const uint8_t Type,
+ const uint8_t BeforeType)
+{
+ while (*BytesRem)
+ {
+ USB_GetNextDescriptor(BytesRem, CurrConfigLoc);
+
+ if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type)
+ {
+ return;
+ }
+ else if (DESCRIPTOR_TYPE(*CurrConfigLoc) == BeforeType)
+ {
+ *BytesRem = 0;
+ return;
+ }
+ }
+}
+
+void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc,
+ const uint8_t Type,
+ const uint8_t AfterType)
+{
+ USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, AfterType);
+
+ if (*BytesRem)
+ USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, Type);
+}
+
+uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, uint8_t** CurrConfigLoc, ConfigComparatorPtr_t ComparatorRoutine)
+{
+ uint8_t ErrorCode;
+
+ while (*BytesRem)
+ {
+ uint8_t* PrevDescLoc = *CurrConfigLoc;
+ uint16_t PrevBytesRem = *BytesRem;
+
+ USB_GetNextDescriptor(BytesRem, CurrConfigLoc);
+
+ if ((ErrorCode = ComparatorRoutine(*CurrConfigLoc)) != DESCRIPTOR_SEARCH_NotFound)
+ {
+ if (ErrorCode == DESCRIPTOR_SEARCH_Fail)
+ {
+ *CurrConfigLoc = PrevDescLoc;
+ *BytesRem = PrevBytesRem;
+ }
+
+ return ErrorCode;
+ }
+ }
+
+ return DESCRIPTOR_SEARCH_COMP_EndOfDescriptor;
+}
diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h new file mode 100644 index 000000000..5c2b6e2de --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h @@ -0,0 +1,271 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ 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
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Configuration descriptor parser API. This section of the library gives a friendly API which can be used in
+ * host applications to easily parse an attached device's configuration descriptor so that endpoint, interface
+ * and other descriptor data can be extracted and used as needed.
+ */
+
+/** \ingroup Group_Descriptors
+ * @defgroup Group_ConfigDescriptorParser Configuration Descriptor Parser
+ *
+ * Functions, macros, variables, enums and types related to the parsing of Configuration Descriptors.
+ *
+ * @{
+ */
+
+#ifndef __CONFIGDESCRIPTOR_H__
+#define __CONFIGDESCRIPTOR_H__
+
+ /* Includes: */
+ #include <avr/io.h>
+
+ #include "../../../Common/Common.h"
+ #include "../HighLevel/USBMode.h"
+ #include "../LowLevel/HostChapter9.h"
+ #include "../HighLevel/StdDescriptors.h"
+
+ /* Enable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ extern "C" {
+ #endif
+
+ /* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** Mask for determining the type of an endpoint from an endpoint descriptor. This should then be compared
+ * with the EP_TYPE_* masks to determine the exact type of the endpoint.
+ */
+ #define EP_TYPE_MASK 0x03
+
+ /** Casts a pointer to a descriptor inside the configuration descriptor into a pointer to the given
+ * descriptor type.
+ *
+ * Usage Example:
+ * \code
+ * uint8_t* CurrDescriptor = &ConfigDescriptor[0]; // Pointing to the configuration header
+ * USB_Descriptor_Configuration_Header_t* ConfigHeaderPtr = DESCRIPTOR_PCAST(CurrDescriptor,
+ * USB_Descriptor_Configuration_Header_t);
+ *
+ * // Can now access elements of the configuration header struct using the -> indirection operator
+ * \endcode
+ */
+ #define DESCRIPTOR_PCAST(DescriptorPtr, Type) ((Type*)DescriptorPtr)
+
+ /** Casts a pointer to a descriptor inside the configuration descriptor into the given descriptor
+ * type (as an actual struct instance rather than a pointer to a struct).
+ *
+ * Usage Example:
+ * \code
+ * uint8_t* CurrDescriptor = &ConfigDescriptor[0]; // Pointing to the configuration header
+ * USB_Descriptor_Configuration_Header_t ConfigHeader = DESCRIPTOR_CAST(CurrDescriptor,
+ * USB_Descriptor_Configuration_Header_t);
+ *
+ * // Can now access elements of the configuration header struct using the . operator
+ * \endcode
+ */
+ #define DESCRIPTOR_CAST(DescriptorPtr, Type) (*DESCRIPTOR_PCAST(DescriptorPtr, Type))
+
+ /** Returns the descriptor's type, expressed as the 8-bit type value in the header of the descriptor.
+ * This value's meaning depends on the descriptor's placement in the descriptor, but standard type
+ * values can be accessed in the \ref USB_DescriptorTypes_t enum.
+ */
+ #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES) || defined(__DOXYGEN__)
+ #define DESCRIPTOR_TYPE(DescriptorPtr) DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).Type
+ #else
+ #define DESCRIPTOR_TYPE(DescriptorPtr) DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).bDescriptorType
+ #endif
+
+ /** Returns the descriptor's size, expressed as the 8-bit value indicating the number of bytes. */
+ #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES) || defined(__DOXYGEN__)
+ #define DESCRIPTOR_SIZE(DescriptorPtr) DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).Size
+ #else
+ #define DESCRIPTOR_SIZE(DescriptorPtr) DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).bLength
+ #endif
+
+ /* Type Defines: */
+ /** Type define for a Configuration Descriptor comparator function (function taking a pointer to an array
+ * of type void, returning a uint8_t value).
+ *
+ * \see \ref USB_GetNextDescriptorComp function for more details
+ */
+ typedef uint8_t (* const ConfigComparatorPtr_t)(void* const);
+
+ /* Function Prototypes: */
+ /** Searches for the next descriptor in the given configuration descriptor using a premade comparator
+ * function. The routine updates the position and remaining configuration descriptor bytes values
+ * automatically. If a comparator routine fails a search, the descriptor pointer is retreated back
+ * so that the next descriptor search invocation will start from the descriptor which first caused the
+ * original search to fail. This behaviour allows for one comparator to be used immediately after another
+ * has failed, starting the second search from the descriptor which failed the first.
+ *
+ * Comparator functions should be standard functions which accept a pointer to the header of the current
+ * descriptor inside the configuration descriptor which is being compared, and should return a value from
+ * the \ref DSearch_Return_ErrorCodes_t enum as a uint8_t value.
+ *
+ * \note This function is available in USB Host mode only.
+ *
+ * \param BytesRem Pointer to an int storing the remaining bytes in the configuration descriptor
+ * \param CurrConfigLoc Pointer to the current position in the configuration descriptor
+ * \param ComparatorRoutine Name of the comparator search function to use on the configuration descriptor
+ *
+ * \return Value of one of the members of the \ref DSearch_Comp_Return_ErrorCodes_t enum
+ *
+ * Usage Example:
+ * \code
+ * uint8_t EndpointSearcher(void* CurrentDescriptor); // Comparator Prototype
+ *
+ * uint8_t EndpointSearcher(void* CurrentDescriptor)
+ * {
+ * if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+ * return DESCRIPTOR_SEARCH_Found;
+ * else
+ * return DESCRIPTOR_SEARCH_NotFound;
+ * }
+ *
+ * //...
+ * // After retrieving configuration descriptor:
+ * if (USB_Host_GetNextDescriptorComp(&BytesRemaining, &ConfigDescriptorData, EndpointSearcher) ==
+ * Descriptor_Search_Comp_Found)
+ * {
+ * // Do something with the endpoint descriptor
+ * }
+ * \endcode
+ */
+ uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, uint8_t** CurrConfigLoc, ConfigComparatorPtr_t ComparatorRoutine);
+
+ /* Enums: */
+ /** Enum for return values of a descriptor comparator function. */
+ enum DSearch_Return_ErrorCodes_t
+ {
+ DESCRIPTOR_SEARCH_Found = 0, /**< Current descriptor matches comparator criteria. */
+ DESCRIPTOR_SEARCH_Fail = 1, /**< No further descriptor could possibly match criteria, fail the search. */
+ DESCRIPTOR_SEARCH_NotFound = 2, /**< Current descriptor does not match comparator criteria. */
+ };
+
+ /** Enum for return values of \ref USB_GetNextDescriptorComp(). */
+ enum DSearch_Comp_Return_ErrorCodes_t
+ {
+ DESCRIPTOR_SEARCH_COMP_Found = 0, /**< Configuration descriptor now points to descriptor which matches
+ * search criteria of the given comparator function. */
+ DESCRIPTOR_SEARCH_COMP_Fail = 1, /**< Comparator function returned Descriptor_Search_Fail. */
+ DESCRIPTOR_SEARCH_COMP_EndOfDescriptor = 2, /**< End of configuration descriptor reached before match found. */
+ };
+
+ /* Function Prototypes: */
+ /** Retrieves the configuration descriptor data or size from an attached device via a standard request.
+ *
+ * \param ConfigSizePtr Pointer to a uint16_t for either storing or retrieving the configuration
+ * descriptor size
+ *
+ * \param BufferPtr Pointer to the buffer for storing the configuration descriptor data. If this is
+ * NULL, the size of the configuration descriptor will be retrieved instead and
+ * placed in the variable pointed to by ConfigSizePtr. If this is non-NULL, the number
+ * of bytes indicated by ConfigSizePtr of the configuration descriptor will be loaded
+ * into the buffer
+ */
+ uint8_t USB_GetDeviceConfigDescriptor(uint16_t* const ConfigSizePtr, void* BufferPtr)
+ ATTR_NON_NULL_PTR_ARG(1);
+
+ /** Skips to the next sub-descriptor inside the configuration descriptor of the specified type value.
+ * The bytes remaining value is automatically decremented.
+ *
+ * \param BytesRem Pointer to the number of bytes remaining of the configuration descriptor
+ * \param CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
+ * \param Type Descriptor type value to search for
+ */
+ void USB_GetNextDescriptorOfType(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc,
+ const uint8_t Type)
+ ATTR_NON_NULL_PTR_ARG(1, 2);
+
+ /** Skips to the next sub-descriptor inside the configuration descriptor of the specified type value,
+ * which must come before a descriptor of the second given type value. If the BeforeType type
+ * descriptor is reached first, the number of bytes remaining to process is set to zero and the
+ * function exits. The bytes remaining value is automatically decremented.
+ *
+ * \param BytesRem Pointer to the number of bytes remaining of the configuration descriptor
+ * \param CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
+ * \param Type Descriptor type value to search for
+ * \param BeforeType Descriptor type value which must not be reached before the given Type descriptor
+ */
+ void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc,
+ const uint8_t Type,
+ const uint8_t BeforeType)
+ ATTR_NON_NULL_PTR_ARG(1, 2);
+
+ /** Skips to the next sub-descriptor inside the configuration descriptor of the specified type value,
+ * which must come after a descriptor of the second given type value. The bytes remaining value is
+ * automatically decremented.
+ *
+ * \param BytesRem Pointer to the number of bytes remaining of the configuration descriptor
+ * \param CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
+ * \param Type Descriptor type value to search for
+ * \param AfterType Descriptor type value which must be reached before the given Type descriptor
+ */
+ void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc,
+ const uint8_t Type,
+ const uint8_t AfterType)
+ ATTR_NON_NULL_PTR_ARG(1, 2);
+
+ /* Inline Functions: */
+ /** Skips over the current sub-descriptor inside the configuration descriptor, so that the pointer then
+ points to the next sub-descriptor. The bytes remaining value is automatically decremented.
+ *
+ * \param BytesRem Pointer to the number of bytes remaining of the configuration descriptor
+ * \param CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
+ */
+ static inline void USB_GetNextDescriptor(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc)
+ ATTR_NON_NULL_PTR_ARG(1, 2);
+ static inline void USB_GetNextDescriptor(uint16_t* const BytesRem,
+ uint8_t** const CurrConfigLoc)
+ {
+ #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
+ uint16_t CurrDescriptorSize = DESCRIPTOR_CAST(*CurrConfigLoc, USB_Descriptor_Header_t).Size;
+ #else
+ uint16_t CurrDescriptorSize = DESCRIPTOR_CAST(*CurrConfigLoc, USB_Descriptor_Header_t).bLength;
+ #endif
+
+ *CurrConfigLoc += CurrDescriptorSize;
+ *BytesRem -= CurrDescriptorSize;
+ }
+
+ /* Disable C linkage for C++ Compilers: */
+ #if defined(__cplusplus)
+ }
+ #endif
+
+#endif
+
+/** @} */
diff --git a/LUFA/Drivers/USB/HighLevel/Events.h b/LUFA/Drivers/USB/HighLevel/Events.h index 464f21aa8..e6d2beaa7 100644 --- a/LUFA/Drivers/USB/HighLevel/Events.h +++ b/LUFA/Drivers/USB/HighLevel/Events.h @@ -267,17 +267,6 @@ * \ref Group_USBManagement documentation).
*/
void EVENT_USB_Reset(void);
-
- /** Event for USB device mode error. This event fires when the USB interface is in device mode,
- * and an error occurs which prevents it from operating normally.
- *
- * \param ErrorCode Error code indicating the source of the error, a value in
- * \ref USB_Device_ErrorCodes_t
- *
- * \note This event does not exist if the USB_HOST_ONLY token is supplied to the compiler (see
- * \ref Group_USBManagement documentation).
- */
- void EVENT_USB_DeviceError(const uint8_t ErrorCode);
#endif
/* Private Interface - For use in library only: */
@@ -314,7 +303,6 @@ void EVENT_USB_Suspend(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
void EVENT_USB_WakeUp(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
void EVENT_USB_Reset(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
- void EVENT_USB_DeviceError(const uint8_t ErrorCode) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub);
#endif
#endif
diff --git a/LUFA/Drivers/USB/HighLevel/StdDescriptors.c b/LUFA/Drivers/USB/HighLevel/StdDescriptors.c deleted file mode 100644 index ae8cc711d..000000000 --- a/LUFA/Drivers/USB/HighLevel/StdDescriptors.c +++ /dev/null @@ -1,44 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2009.
-
- 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
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-#include "USBMode.h"
-
-#if defined(USB_CAN_BE_DEVICE)
-
-#include "StdDescriptors.h"
-
-uint16_t USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
-{
- EVENT_USB_DeviceError(DEVICE_ERROR_GetDescriptorNotHooked);
-
- return 0;
-};
-
-#endif
diff --git a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h index d94a91296..7a0ca52b3 100644 --- a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h +++ b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h @@ -456,33 +456,6 @@ #endif
} USB_Descriptor_String_t;
- /* Function Prototypes: */
- /** Function to retrieve a given descriptor's size and memory location from the given descriptor type value,
- * index and language ID. This function MUST be overridden in the user application (added with full, identical
- * prototype and name except for the \ref ATTR_WEAK attribute) so that the library can call it to retrieve descriptor
- * data.
- *
- * \param wValue The type of the descriptor to retrieve in the upper byte, and the index in the
- * lower byte (when more than one descriptor of the given type exists, such as the
- * case of string descriptors). The type may be one of the standard types defined
- * in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
- * \param wIndex The language ID of the string to return if the wValue type indicates DTYPE_String,
- * otherwise zero for standard descriptors, or as defined in a class-specific
- * standards.
- * \param DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to
- * the address of the descriptor.
- *
- * \note By default, the library expects all descriptors to be located in flash memory via the PROGMEM attribute.
- * If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to
- * allow the descriptors to be changed dynamically at runtime) either the USE_RAM_DESCRIPTORS or the
- * USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D
- * switch.
- *
- * \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise
- */
- uint16_t USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
- ATTR_WARN_UNUSED_RESULT ATTR_WEAK ATTR_NON_NULL_PTR_ARG(3);
-
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
|