hid

type HIDD_ATTRIBUTES struct {
	Size          uint32
	VendorID      uint16
	ProductID     uint16
	VersionNumber uint16
}

type HIDP_BUTTON_CAPS struct {
	UsagePage         uint16 // Specifies the usage page for a usage or usage range
	ReportID          uint8  // Specifies the report ID of the HID report that contains the usage or usage range
	IsAlias           bool   // Indicates, if TRUE, that a button has a set of aliased usages. Otherwise, if IsAlias is FALSE, the button has only one usage
	BitField          uint16 // Contains the data fields (one or two bytes) associated with an input, output, or feature main item
	LinkCollection    uint16 // Specifies the index of the link collection in a top-level collection's link collection array that contains the usage or usage range. If LinkCollection is zero, the usage or usage range is contained in the top-level collection
	LinkUsage         uint16 // Specifies the usage of the link collection that contains the usage or usage range. If LinkCollection is zero, LinkUsage specifies the usage of the top-level collection
	LinkUsagePage     uint16 // Specifies the usage page of the link collection that contains the usage or usage range. If LinkCollection is zero, LinkUsagePage specifies the usage page of the top-level collection
	IsRange           bool   // Specifies, if TRUE, that the structure describes a usage range. Otherwise, if IsRange is FALSE, the structure describes a single usage
	IsStringRange     bool   // Specifies, if TRUE, that the usage or usage range has a set of string descriptors. Otherwise, if IsStringRange is FALSE, the usage or usage range has zero or one string descriptor
	IsDesignatorRange bool   // Specifies, if TRUE, that the usage or usage range has a set of designators. Otherwise, if IsDesignatorRange is FALSE, the usage or usage range has zero or one designator
	IsAbsolute        bool   // Specifies, if TRUE, that the button usage or usage range provides absolute data. Otherwise, if IsAbsolute is FALSE, the button data is the change in state from the previous value
	ReportCount       uint16 // HID defined report count. Available starting with API version 2.0. Call the HIDP_GetVersion function to get the API version
	Reserved2         uint16
	Reserved          [9]uint32
	UnionValues       [8]uint16 // 0-1: usage range, 2-3: string range, 4-5: designator range, 6-7: data index range

}

type HIDP_CAPS struct {
	Usage                     uint16
	UsagePage                 uint16
	InputReportByteLength     uint16
	OutputReportByteLength    uint16
	FeatureReportByteLength   uint16
	Reserved                  [17]uint16
	NumberLinkCollectionNodes uint16
	NumberInputButtonCaps     uint16
	NumberInputValueCaps      uint16
	NumberInputDataIndices    uint16
	NumberOutputButtonCaps    uint16
	NumberOutputValueCaps     uint16
	NumberOutputDataIndices   uint16
	NumberFeatureButtonCaps   uint16
	NumberFeatureValueCaps    uint16
	NumberFeatureDataIndices  uint16
}

type HIDP_LINK_COLLECTION_NODE struct {
	LinkUsage        uint16
	LinkUsagePage    uint16
	Parent           uint16
	NumberOfChildren uint16
	NextSibling      uint16
	FirstChild       uint16
	CollectionType   uint32  // : 8   // NOTE: : 8 etc are bitfields, how many bits are used.
	IsAlias          uint32  // : 1
	Reserved         uint32  // : 23
	UserContext      uintptr // pvoid
}

type HIDP_VALUE_CAPS struct {
	UsagePage         uint16 // Specifies the usage page for a usage or usage range.
	ReportID          uint8  // Specifies the report ID of the HID report that contains the usage or usage range
	IsAlias           bool   // Indicates, if TRUE, that a button has a set of aliased usages. Otherwise, if IsAlias is FALSE, the button has only one usage
	BitField          uint16 // Contains the data fields (one or two bytes) associated with an input, output, or feature main item
	LinkCollection    uint16 // Specifies the index of the link collection in a top-level collection's link collection array that contains the usage or usage range. If LinkCollection is zero, the usage or usage range is contained in the top-level collection
	LinkUsage         uint16 // Specifies the usage of the link collection that contains the usage or usage range. If LinkCollection is zero, LinkUsage specifies the usage of the top-level collection
	LinkUsagePage     uint16 // Specifies the usage page of the link collection that contains the usage or usage range. If LinkCollection is zero, LinkUsagePage specifies the usage page of the top-level collection
	IsRange           bool   // Specifies, if TRUE, that the structure describes a usage range. Otherwise, if IsRange is FALSE, the structure describes a single usage
	IsStringRange     bool   // Specifies, if TRUE, that the usage or usage range has a set of string descriptors. Otherwise, if IsStringRange is FALSE, the usage or usage range has zero or one string descriptor
	IsDesignatorRange bool   // Specifies, if TRUE, that the usage or usage range has a set of designators. Otherwise, if IsDesignatorRange is FALSE, the usage or usage range has zero or one designator
	IsAbsolute        bool   // Specifies, if TRUE, that the button usage or usage range provides absolute data. Otherwise, if IsAbsolute is FALSE, the button data is the change in state from the previous value
	HasNull           bool   // Specifies, if TRUE, that the usage supports a NULL value, which indicates that the data is not valid and should be ignored. Otherwise, if HasNull is FALSE, the usage does not have a NULL value
	Reserved          uint8
	BitSize           uint16 // Specifies the size, in bits, of a usage's data field in a report. If ReportCount is greater than one, each usage has a separate data field of this size
	ReportCount       uint16 // Specifies the number of usages that this structure describes
	Reserved2         [5]uint16
	UnitsExp          uint32    // Specifies the usage's exponent, as described by the USB HID standard
	Units             uint32    // Specifies the usage's units, as described by the USB HID Standard
	LogicalMin        int32     // Range of values for each field in this report start from LogicalMin...
	LogicalMax        int32     // ...and end in LogicalMax. [LogicalMin, LogicalMax]
	PhysicalMin       int32     // Specifies a usage's signed lower bound after scaling is applied to the logical minimum value
	PhysicalMax       int32     // Specifies a usage's signed upper bound after scaling is applied to the logical maximum value
	UnionValues       [8]uint16 // 0-1: usage range, 2-3: string range, 4-5: designator range, 6-7: data index range

}

type UsagePage struct {
	Usage, Page uint16
}