Files
gousb/usb/config.go
2017-04-09 16:41:38 +02:00

79 lines
2.1 KiB
Go

// Copyright 2013 Google Inc. All rights reserved.
// Copyright 2016 the gousb Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package usb
import (
"fmt"
"strings"
"time"
)
type EndpointInfo struct {
Number uint8
Direction EndpointDirection
MaxPacketSize uint32
TransferType TransferType
PollInterval time.Duration
IsoSyncType IsoSyncType
UsageType UsageType
}
func (e EndpointInfo) String() string {
ret := make([]string, 0, 3)
ret = append(ret, fmt.Sprintf("Endpoint #%d %s (address 0x%02x) %s", e.Number, e.Direction, uint8(e.Number)|uint8(e.Direction), e.TransferType))
switch e.TransferType {
case TransferTypeIsochronous:
ret = append(ret, fmt.Sprintf("- %s %s", e.IsoSyncType, e.UsageType))
case TransferTypeInterrupt:
ret = append(ret, fmt.Sprintf("- %s", e.UsageType))
}
ret = append(ret, fmt.Sprintf("[%d bytes]", e.MaxPacketSize))
return strings.Join(ret, " ")
}
type InterfaceInfo struct {
Number uint8
Setups []InterfaceSetup
}
func (i InterfaceInfo) String() string {
return fmt.Sprintf("Interface %02x (%d setups)", i.Number, len(i.Setups))
}
type InterfaceSetup struct {
Number uint8
Alternate uint8
IfClass Class
IfSubClass Class
IfProtocol uint8
Endpoints []EndpointInfo
}
func (a InterfaceSetup) String() string {
return fmt.Sprintf("Interface %02x Setup %02x", a.Number, a.Alternate)
}
type ConfigInfo struct {
Config uint8
Attributes uint8
MaxPower uint8
Interfaces []InterfaceInfo
}
func (c ConfigInfo) String() string {
return fmt.Sprintf("Config %02x", c.Config)
}