forked from cerc-io/plugeth
93 lines
3.4 KiB
Go
93 lines
3.4 KiB
Go
|
// Copyright 2013 Google Inc. 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.h"
|
||
|
|
import "C"
|
||
|
|
|
||
|
|
type usbError C.int
|
||
|
|
|
||
|
|
func (e usbError) Error() string {
|
||
|
|
return fmt.Sprintf("libusb: %s [code %d]", usbErrorString[e], int(e))
|
||
|
|
}
|
||
|
|
|
||
|
|
const (
|
||
|
|
SUCCESS usbError = C.LIBUSB_SUCCESS
|
||
|
|
ERROR_IO usbError = C.LIBUSB_ERROR_IO
|
||
|
|
ERROR_INVALID_PARAM usbError = C.LIBUSB_ERROR_INVALID_PARAM
|
||
|
|
ERROR_ACCESS usbError = C.LIBUSB_ERROR_ACCESS
|
||
|
|
ERROR_NO_DEVICE usbError = C.LIBUSB_ERROR_NO_DEVICE
|
||
|
|
ERROR_NOT_FOUND usbError = C.LIBUSB_ERROR_NOT_FOUND
|
||
|
|
ERROR_BUSY usbError = C.LIBUSB_ERROR_BUSY
|
||
|
|
ERROR_TIMEOUT usbError = C.LIBUSB_ERROR_TIMEOUT
|
||
|
|
ERROR_OVERFLOW usbError = C.LIBUSB_ERROR_OVERFLOW
|
||
|
|
ERROR_PIPE usbError = C.LIBUSB_ERROR_PIPE
|
||
|
|
ERROR_INTERRUPTED usbError = C.LIBUSB_ERROR_INTERRUPTED
|
||
|
|
ERROR_NO_MEM usbError = C.LIBUSB_ERROR_NO_MEM
|
||
|
|
ERROR_NOT_SUPPORTED usbError = C.LIBUSB_ERROR_NOT_SUPPORTED
|
||
|
|
ERROR_OTHER usbError = C.LIBUSB_ERROR_OTHER
|
||
|
|
)
|
||
|
|
|
||
|
|
var usbErrorString = map[usbError]string{
|
||
|
|
C.LIBUSB_SUCCESS: "success",
|
||
|
|
C.LIBUSB_ERROR_IO: "i/o error",
|
||
|
|
C.LIBUSB_ERROR_INVALID_PARAM: "invalid param",
|
||
|
|
C.LIBUSB_ERROR_ACCESS: "bad access",
|
||
|
|
C.LIBUSB_ERROR_NO_DEVICE: "no device",
|
||
|
|
C.LIBUSB_ERROR_NOT_FOUND: "not found",
|
||
|
|
C.LIBUSB_ERROR_BUSY: "device or resource busy",
|
||
|
|
C.LIBUSB_ERROR_TIMEOUT: "timeout",
|
||
|
|
C.LIBUSB_ERROR_OVERFLOW: "overflow",
|
||
|
|
C.LIBUSB_ERROR_PIPE: "pipe error",
|
||
|
|
C.LIBUSB_ERROR_INTERRUPTED: "interrupted",
|
||
|
|
C.LIBUSB_ERROR_NO_MEM: "out of memory",
|
||
|
|
C.LIBUSB_ERROR_NOT_SUPPORTED: "not supported",
|
||
|
|
C.LIBUSB_ERROR_OTHER: "unknown error",
|
||
|
|
}
|
||
|
|
|
||
|
|
type TransferStatus uint8
|
||
|
|
|
||
|
|
const (
|
||
|
|
LIBUSB_TRANSFER_COMPLETED TransferStatus = C.LIBUSB_TRANSFER_COMPLETED
|
||
|
|
LIBUSB_TRANSFER_ERROR TransferStatus = C.LIBUSB_TRANSFER_ERROR
|
||
|
|
LIBUSB_TRANSFER_TIMED_OUT TransferStatus = C.LIBUSB_TRANSFER_TIMED_OUT
|
||
|
|
LIBUSB_TRANSFER_CANCELLED TransferStatus = C.LIBUSB_TRANSFER_CANCELLED
|
||
|
|
LIBUSB_TRANSFER_STALL TransferStatus = C.LIBUSB_TRANSFER_STALL
|
||
|
|
LIBUSB_TRANSFER_NO_DEVICE TransferStatus = C.LIBUSB_TRANSFER_NO_DEVICE
|
||
|
|
LIBUSB_TRANSFER_OVERFLOW TransferStatus = C.LIBUSB_TRANSFER_OVERFLOW
|
||
|
|
)
|
||
|
|
|
||
|
|
var transferStatusDescription = map[TransferStatus]string{
|
||
|
|
LIBUSB_TRANSFER_COMPLETED: "transfer completed without error",
|
||
|
|
LIBUSB_TRANSFER_ERROR: "transfer failed",
|
||
|
|
LIBUSB_TRANSFER_TIMED_OUT: "transfer timed out",
|
||
|
|
LIBUSB_TRANSFER_CANCELLED: "transfer was cancelled",
|
||
|
|
LIBUSB_TRANSFER_STALL: "halt condition detected (endpoint stalled) or control request not supported",
|
||
|
|
LIBUSB_TRANSFER_NO_DEVICE: "device was disconnected",
|
||
|
|
LIBUSB_TRANSFER_OVERFLOW: "device sent more data than requested",
|
||
|
|
}
|
||
|
|
|
||
|
|
func (ts TransferStatus) String() string {
|
||
|
|
return transferStatusDescription[ts]
|
||
|
|
}
|
||
|
|
|
||
|
|
func (ts TransferStatus) Error() string {
|
||
|
|
return "libusb: " + ts.String()
|
||
|
|
}
|