forked from trezor/trezord-go
/
bus.go
59 lines (49 loc) · 1.01 KB
/
bus.go
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package usb
import (
"errors"
"github.com/trezor/trezord-go/core"
)
type USB struct {
buses []core.USBBus
}
func Init(buses ...core.USBBus) *USB {
return &USB{
buses: buses,
}
}
func (b *USB) Has(path string) bool {
for _, b := range b.buses {
if b.Has(path) {
return true
}
}
return false
}
func (b *USB) Enumerate() ([]core.USBInfo, error) {
var infos []core.USBInfo
for _, b := range b.buses {
l, err := b.Enumerate()
if err != nil {
return nil, err
}
infos = append(infos, l...)
}
return infos, nil
}
func (b *USB) Connect(path string, debug bool, reset bool) (core.USBDevice, error) {
for _, b := range b.buses {
if b.Has(path) {
return b.Connect(path, debug, reset)
}
}
return nil, ErrNotFound
}
func (b *USB) Close() {
for _, b := range b.buses {
b.Close()
}
}
var ErrNotFound = errors.New("device not found")
var errDisconnect = errors.New("device disconnected during action")
var errClosedDevice = errors.New("closed device")
var errNotDebug = errors.New("not debug link")