Configuration descriptor parser API. More...
#include <stdint.h>
#include "../../../Common/Common.h"
#include "HostStandardReq.h"
#include "USBMode.h"
#include "StdDescriptors.h"
Defines | |
#define | EP_TYPE_MASK 0x03 |
#define | DESCRIPTOR_PCAST(DescriptorPtr, Type) ((Type*)(DescriptorPtr)) |
#define | DESCRIPTOR_CAST(DescriptorPtr, Type) (*DESCRIPTOR_PCAST(DescriptorPtr, Type)) |
#define | DESCRIPTOR_TYPE(DescriptorPtr) DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Type |
#define | DESCRIPTOR_SIZE(DescriptorPtr) DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Size |
Typedefs | |
typedef uint8_t(* | ConfigComparatorPtr_t )(void *) |
Enumerations | |
enum | USB_Host_GetConfigDescriptor_ErrorCodes_t { HOST_GETCONFIG_Successful = 0, HOST_GETCONFIG_DeviceDisconnect = 1, HOST_GETCONFIG_PipeError = 2, HOST_GETCONFIG_SetupStalled = 3, HOST_GETCONFIG_SoftwareTimeOut = 4, HOST_GETCONFIG_BuffOverflow = 5, HOST_GETCONFIG_InvalidData = 6 } |
enum | DSearch_Return_ErrorCodes_t { DESCRIPTOR_SEARCH_Found = 0, DESCRIPTOR_SEARCH_Fail = 1, DESCRIPTOR_SEARCH_NotFound = 2 } |
enum | DSearch_Comp_Return_ErrorCodes_t { DESCRIPTOR_SEARCH_COMP_Found = 0, DESCRIPTOR_SEARCH_COMP_Fail = 1, DESCRIPTOR_SEARCH_COMP_EndOfDescriptor = 2 } |
Functions | |
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) |
void | USB_GetNextDescriptorOfType (uint16_t *const BytesRem, void **const CurrConfigLoc, const uint8_t Type) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2) |
void | USB_GetNextDescriptorOfTypeBefore (uint16_t *const BytesRem, void **const CurrConfigLoc, const uint8_t Type, const uint8_t BeforeType) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2) |
void | USB_GetNextDescriptorOfTypeAfter (uint16_t *const BytesRem, void **const CurrConfigLoc, const uint8_t Type, const uint8_t AfterType) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2) |
uint8_t | USB_GetNextDescriptorComp (uint16_t *const BytesRem, void **const CurrConfigLoc, ConfigComparatorPtr_t const ComparatorRoutine) |
static void | USB_GetNextDescriptor (uint16_t *const BytesRem, void **CurrConfigLoc) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2) |
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.