75 lines
2.3 KiB
Go
75 lines
2.3 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"
|
||
|
|
)
|
||
|
|
|
||
|
|
// #include "./libusb/libusb/libusb.h"
|
||
|
|
import "C"
|
||
|
|
|
||
|
|
// rawError is an error code from libusb.
|
||
|
|
type rawError C.int
|
||
|
|
|
||
|
|
// Error implements the error interface.
|
||
|
|
func (e rawError) Error() string {
|
||
|
|
return fmt.Sprintf("libusb: %s [code %d]", rawErrorString[e], e)
|
||
|
|
}
|
||
|
|
|
||
|
|
// fromRawErrno converts a raw libusb error into a Go type.
|
||
|
|
func fromRawErrno(errno C.int) error {
|
||
|
|
err := rawError(errno)
|
||
|
|
if err == errSuccess {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
const (
|
||
|
|
errSuccess rawError = C.LIBUSB_SUCCESS
|
||
|
|
errIO rawError = C.LIBUSB_ERROR_IO
|
||
|
|
errInvalidParam rawError = C.LIBUSB_ERROR_INVALID_PARAM
|
||
|
|
errAccess rawError = C.LIBUSB_ERROR_ACCESS
|
||
|
|
errNoDevice rawError = C.LIBUSB_ERROR_NO_DEVICE
|
||
|
|
errNotFound rawError = C.LIBUSB_ERROR_NOT_FOUND
|
||
|
|
errBusy rawError = C.LIBUSB_ERROR_BUSY
|
||
|
|
errTimeout rawError = C.LIBUSB_ERROR_TIMEOUT
|
||
|
|
errOverflow rawError = C.LIBUSB_ERROR_OVERFLOW
|
||
|
|
errPipe rawError = C.LIBUSB_ERROR_PIPE
|
||
|
|
errInterrupted rawError = C.LIBUSB_ERROR_INTERRUPTED
|
||
|
|
errNoMem rawError = C.LIBUSB_ERROR_NO_MEM
|
||
|
|
errNotSupported rawError = C.LIBUSB_ERROR_NOT_SUPPORTED
|
||
|
|
errOther rawError = C.LIBUSB_ERROR_OTHER
|
||
|
|
)
|
||
|
|
|
||
|
|
var rawErrorString = map[rawError]string{
|
||
|
|
errSuccess: "success",
|
||
|
|
errIO: "i/o error",
|
||
|
|
errInvalidParam: "invalid param",
|
||
|
|
errAccess: "bad access",
|
||
|
|
errNoDevice: "no device",
|
||
|
|
errNotFound: "not found",
|
||
|
|
errBusy: "device or resource busy",
|
||
|
|
errTimeout: "timeout",
|
||
|
|
errOverflow: "overflow",
|
||
|
|
errPipe: "pipe error",
|
||
|
|
errInterrupted: "interrupted",
|
||
|
|
errNoMem: "out of memory",
|
||
|
|
errNotSupported: "not supported",
|
||
|
|
errOther: "unknown error",
|
||
|
|
}
|