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// 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()
}
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