// 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" ) type EndpointInfo struct { Address uint8 Attributes uint8 MaxPacketSize uint16 MaxIsoPacket uint32 PollInterval uint8 RefreshRate uint8 SynchAddress uint8 } func (e EndpointInfo) Number() int { return int(e.Address) & ENDPOINT_NUM_MASK } func (e EndpointInfo) TransferType() TransferType { return TransferType(e.Attributes) & TRANSFER_TYPE_MASK } func (e EndpointInfo) Direction() EndpointDirection { return EndpointDirection(e.Address) & ENDPOINT_DIR_MASK } func (e EndpointInfo) String() string { return fmt.Sprintf("Endpoint #%d %-3s %s - %s %s [%d %d]", e.Number(), e.Direction(), e.TransferType(), IsoSyncType(e.Attributes)&ISO_SYNC_TYPE_MASK, IsoUsageType(e.Attributes)&ISO_USAGE_TYPE_MASK, e.MaxPacketSize, e.MaxIsoPacket, ) } 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 uint8 IfSubClass uint8 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) }