/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
Copyright 2010 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
#define __CONFIGDESCRIPTOR_H__
/* Includes: */
- #include <avr/io.h>
-
+ #include <stdint.h>
+
#include "../../../Common/Common.h"
- #include "../HighLevel/USBMode.h"
- #include "../LowLevel/HostChapter9.h"
- #include "../HighLevel/StdDescriptors.h"
-
+ #include "HostStandardReq.h"
+ #include "USBMode.h"
+ #include "StdDescriptors.h"
+
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#if !defined(__INCLUDE_FROM_USB_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
#endif
-
- /* Public Interface - May be used in end-application: */
+
+ /* 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.
* 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.
*/
- #define DESCRIPTOR_TYPE(DescriptorPtr) DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).Type
-
+ #define DESCRIPTOR_TYPE(DescriptorPtr) DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Type
+
/** Returns the descriptor's size, expressed as the 8-bit value indicating the number of bytes. */
- #define DESCRIPTOR_SIZE(DescriptorPtr) DESCRIPTOR_CAST(DescriptorPtr, USB_Descriptor_Header_t).Size
+ #define DESCRIPTOR_SIZE(DescriptorPtr) DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Size
/* 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
+ * \see \ref USB_GetNextDescriptorComp function for more details.
*/
typedef uint8_t (* ConfigComparatorPtr_t)(void*);
-
+
/* Enums: */
/** Enum for the possible return codes of the \ref USB_Host_GetDeviceConfigDescriptor() function. */
enum USB_Host_GetConfigDescriptor_ErrorCodes_t
{
- HOST_GETCONFIG_Successful = 0, /**< No error occurred while retrieving the configuration descriptor */
+ HOST_GETCONFIG_Successful = 0, /**< No error occurred while retrieving the configuration descriptor. */
HOST_GETCONFIG_DeviceDisconnect = 1, /**< The attached device was disconnected while retrieving the configuration
- * descriptor
+ * descriptor.
*/
- HOST_GETCONFIG_PipeError = 2, /**< An error occurred in the pipe while sending the request */
+ HOST_GETCONFIG_PipeError = 2, /**< An error occurred in the pipe while sending the request. */
HOST_GETCONFIG_SetupStalled = 3, /**< The attached device stalled the request to retrieve the configuration
- * descriptor
+ * descriptor.
*/
- HOST_GETCONFIG_SoftwareTimeOut = 4, /**< The request or data transfer timed out */
+ HOST_GETCONFIG_SoftwareTimeOut = 4, /**< The request or data transfer timed out. */
HOST_GETCONFIG_BuffOverflow = 5, /**< The device's configuration descriptor is too large to fit into the allocated
- * buffer
+ * buffer.
*/
- HOST_GETCONFIG_InvalidData = 6, /**< The device returned invalid configuration descriptor data */
+ HOST_GETCONFIG_InvalidData = 6, /**< The device returned invalid configuration descriptor data. */
};
-
+
/** Enum for return values of a descriptor comparator function. */
enum DSearch_Return_ErrorCodes_t
{
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 from an attached device via a standard request into a buffer,
* including validity and size checking to prevent a buffer overflow.
*
* \param[in] ConfigNumber Device configuration descriptor number to fetch from the device (usually set to 1 for
- * single configuration devices)
- * \param[in,out] ConfigSizePtr Pointer to a uint16_t for storing the retrieved configuration descriptor size
+ * single configuration devices).
+ * \param[in,out] ConfigSizePtr Pointer to a uint16_t for storing the retrieved configuration descriptor size.
* \param[out] BufferPtr Pointer to the buffer for storing the configuration descriptor data.
- * \param[out] BufferSize Size of the allocated buffer where the configuration descriptor is to be stored
+ * \param[out] BufferSize Size of the allocated buffer where the configuration descriptor is to be stored.
*
- * \return A value from the \ref USB_Host_GetConfigDescriptor_ErrorCodes_t enum
+ * \return A value from the \ref USB_Host_GetConfigDescriptor_ErrorCodes_t enum.
*/
uint8_t USB_Host_GetDeviceConfigDescriptor(uint8_t ConfigNumber, uint16_t* const ConfigSizePtr, void* BufferPtr,
uint16_t BufferSize) ATTR_NON_NULL_PTR_ARG(2) ATTR_NON_NULL_PTR_ARG(3);
/** Skips to the next sub-descriptor inside the configuration descriptor of the specified type value.
* The bytes remaining value is automatically decremented.
*
- * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor
- * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
- * \param[in] Type Descriptor type value to search for
+ * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor.
+ * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor.
+ * \param[in] Type Descriptor type value to search for.
*/
void USB_GetNextDescriptorOfType(uint16_t* const BytesRem,
void** const CurrConfigLoc,
* 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[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor
- * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
- * \param[in] Type Descriptor type value to search for
- * \param[in] BeforeType Descriptor type value which must not be reached before the given Type descriptor
+ * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor.
+ * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor.
+ * \param[in] Type Descriptor type value to search for.
+ * \param[in] BeforeType Descriptor type value which must not be reached before the given Type descriptor.
*/
void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem,
void** const CurrConfigLoc,
* which must come after a descriptor of the second given type value. The bytes remaining value is
* automatically decremented.
*
- * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor
- * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
- * \param[in] Type Descriptor type value to search for
- * \param[in] AfterType Descriptor type value which must be reached before the given Type descriptor
+ * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor.
+ * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor.
+ * \param[in] Type Descriptor type value to search for.
+ * \param[in] AfterType Descriptor type value which must be reached before the given Type descriptor.
*/
void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem,
void** const CurrConfigLoc,
* 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 behavior allows for one comparator to be used immediately after another
+ * 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
*
* \note This function is available in USB Host mode only.
*
- * \param[in,out] BytesRem Pointer to an int storing the remaining bytes in the configuration descriptor
- * \param[in,out] CurrConfigLoc Pointer to the current position in the configuration descriptor
- * \param[in] ComparatorRoutine Name of the comparator search function to use on the configuration descriptor
+ * \param[in,out] BytesRem Pointer to an int storing the remaining bytes in the configuration descriptor.
+ * \param[in,out] CurrConfigLoc Pointer to the current position in the configuration descriptor.
+ * \param[in] 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
+ * \return Value of one of the members of the \ref DSearch_Comp_Return_ErrorCodes_t enum.
*
* Usage Example:
* \code
* }
* \endcode
*/
- uint8_t USB_GetNextDescriptorComp(uint16_t* BytesRem, void** const CurrConfigLoc, ConfigComparatorPtr_t const ComparatorRoutine);
+ uint8_t USB_GetNextDescriptorComp(uint16_t* const BytesRem,
+ void** const CurrConfigLoc,
+ ConfigComparatorPtr_t const ComparatorRoutine);
/* 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[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor
- * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor
+ * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor.
+ * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor.
*/
- static inline void USB_GetNextDescriptor(uint16_t* const BytesRem, void** CurrConfigLoc)
- ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
- static inline void USB_GetNextDescriptor(uint16_t* const BytesRem, void** CurrConfigLoc)
+ static inline void USB_GetNextDescriptor(uint16_t* const BytesRem,
+ void** CurrConfigLoc) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
+ static inline void USB_GetNextDescriptor(uint16_t* const BytesRem,
+ void** CurrConfigLoc)
{
uint16_t CurrDescriptorSize = DESCRIPTOR_CAST(*CurrConfigLoc, USB_Descriptor_Header_t).Size;
-
+
*CurrConfigLoc = ((uint8_t*)*CurrConfigLoc) + CurrDescriptorSize;
*BytesRem -= CurrDescriptorSize;
}
-
+
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
/** @} */
+
projects / pub / USBasp.git / blobdiff