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This commit is contained in:
Sebastian Zagrodzki
2017-04-09 19:17:13 +02:00
parent f668df87df
commit b09de1cf09
2 changed files with 16 additions and 0 deletions
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15
usb/constants.go
View File

@@ -122,8 +122,10 @@ func (ed EndpointDirection) String() string {
return endpointDirectionDescription[ed] return endpointDirectionDescription[ed]
} }
// TransferType defines the endpoint transfer type.
type TransferType uint8 type TransferType uint8
// Transfer types defined by the USB spec.
const ( const (
TransferTypeControl TransferType = C.LIBUSB_TRANSFER_TYPE_CONTROL TransferTypeControl TransferType = C.LIBUSB_TRANSFER_TYPE_CONTROL
TransferTypeIsochronous TransferType = C.LIBUSB_TRANSFER_TYPE_ISOCHRONOUS TransferTypeIsochronous TransferType = C.LIBUSB_TRANSFER_TYPE_ISOCHRONOUS
@@ -139,12 +141,15 @@ var transferTypeDescription = map[TransferType]string{
TransferTypeInterrupt: "interrupt", TransferTypeInterrupt: "interrupt",
} }
// String returns a human-readable name of the endpoint transfer type.
func (tt TransferType) String() string { func (tt TransferType) String() string {
return transferTypeDescription[tt] return transferTypeDescription[tt]
} }
// IsoSyncType defines the isochronous transfer synchronization type.
type IsoSyncType uint8 type IsoSyncType uint8
// Synchronization types defined by the USB spec.
const ( const (
IsoSyncTypeNone IsoSyncType = C.LIBUSB_ISO_SYNC_TYPE_NONE << 2 IsoSyncTypeNone IsoSyncType = C.LIBUSB_ISO_SYNC_TYPE_NONE << 2
IsoSyncTypeAsync IsoSyncType = C.LIBUSB_ISO_SYNC_TYPE_ASYNC << 2 IsoSyncTypeAsync IsoSyncType = C.LIBUSB_ISO_SYNC_TYPE_ASYNC << 2
@@ -160,12 +165,16 @@ var isoSyncTypeDescription = map[IsoSyncType]string{
IsoSyncTypeSync: "synchronous", IsoSyncTypeSync: "synchronous",
} }
// String returns a human-readable description of the synchronization type.
func (ist IsoSyncType) String() string { func (ist IsoSyncType) String() string {
return isoSyncTypeDescription[ist] return isoSyncTypeDescription[ist]
} }
// UsageType defines the transfer usage type for isochronous and interrupt
// transfers.
type UsageType uint8 type UsageType uint8
// Usage types for iso and interrupt transfers, defined by the USB spec.
const ( const (
// Note: USB3.0 defines usage type for both isochronous and interrupt // Note: USB3.0 defines usage type for both isochronous and interrupt
// endpoints, with the same constants representing different usage types. // endpoints, with the same constants representing different usage types.
@@ -192,8 +201,10 @@ func (ut UsageType) String() string {
return usageTypeDescription[ut] return usageTypeDescription[ut]
} }
// RequestType identifies a control transfer request type.
type RequestType uint8 type RequestType uint8
// Control request types defined in the USB spec.
const ( const (
RequestTypeStandard = C.LIBUSB_REQUEST_TYPE_STANDARD RequestTypeStandard = C.LIBUSB_REQUEST_TYPE_STANDARD
RequestTypeClass = C.LIBUSB_REQUEST_TYPE_CLASS RequestTypeClass = C.LIBUSB_REQUEST_TYPE_CLASS
@@ -208,12 +219,15 @@ var requestTypeDescription = map[RequestType]string{
RequestTypeReserved: "reserved", RequestTypeReserved: "reserved",
} }
// String returns a human-readable name of the control transfer request type.
func (rt RequestType) String() string { func (rt RequestType) String() string {
return requestTypeDescription[rt] return requestTypeDescription[rt]
} }
// DeviceSpeed identifies the speed of the device.
type DeviceSpeed int type DeviceSpeed int
// Device speeds as defined in the USB spec.
const ( const (
DeviceSpeedUnknown DeviceSpeed = C.LIBUSB_SPEED_UNKNOWN DeviceSpeedUnknown DeviceSpeed = C.LIBUSB_SPEED_UNKNOWN
DeviceSpeedLow DeviceSpeed = C.LIBUSB_SPEED_LOW DeviceSpeedLow DeviceSpeed = C.LIBUSB_SPEED_LOW
@@ -230,6 +244,7 @@ var deviceSpeedDescription = map[DeviceSpeed]string{
DeviceSpeedSuper: "super", DeviceSpeedSuper: "super",
} }
// String returns a human-readable name of the device speed.
func (s DeviceSpeed) String() string { func (s DeviceSpeed) String() string {
return deviceSpeedDescription[s] return deviceSpeedDescription[s]
} }

1
usb/descriptor.go
View File

@@ -15,6 +15,7 @@
package usb package usb
// Descriptor is a representation of a USB device descriptor.
type Descriptor struct { type Descriptor struct {
// Bus information // Bus information
Bus uint8 // The bus on which the device was detected Bus uint8 // The bus on which the device was detected