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// hid - Gopher Interface Devices (USB HID)
// Copyright (c) 2017 Péter Szilágyi. All rights reserved.
//
// This file is released under the 3-clause BSD license. Note however that Linux
// support depends on libusb, released under GNU LGPL 2.1 or later.
// Package hid provides an interface for USB HID devices.
package hid
import "errors"
// ErrDeviceClosed is returned for operations where the device closed before or
// during the execution.
var ErrDeviceClosed = errors.New("hid: device closed")
// ErrUnsupportedPlatform is returned for all operations where the underlying
// operating system is not supported by the library.
var ErrUnsupportedPlatform = errors.New("hid: unsupported platform")
// HidDeviceInfo is a hidapi info structure.
type HidDeviceInfo struct {
Path string // Platform-specific device path
VendorID uint16 // Device Vendor ID
ProductID uint16 // Device Product ID
Release uint16 // Device Release Number in binary-coded decimal, also known as Device Version Number
Serial string // Serial Number
Manufacturer string // Manufacturer String
Product string // Product string
UsagePage uint16 // Usage Page for this Device/Interface (Windows/Mac only)
Usage uint16 // Usage for this Device/Interface (Windows/Mac only)
// The USB interface which this logical device
// represents. Valid on both Linux implementations
// in all cases, and valid on the Windows implementation
// only if the device contains more than one interface.
Interface int
}
// GetPath returns the system-dependent path to the device
func (hdi *HidDeviceInfo) GetPath() string {
return hdi.Path
}
// IDs returns the vendor and product id of the device
func (hdi *HidDeviceInfo) IDs() (uint16, uint16, int, uint16) {
return hdi.VendorID, hdi.ProductID, hdi.Interface, hdi.UsagePage
}
// Type returns the type of the device (HID or generic)
func (hdi *HidDeviceInfo) Type() DeviceType {
return DeviceTypeHID
}
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