1 files changed, 0 insertions, 148 deletions
diff --git a/vendor/github.com/karalabe/gousb/usb/iso.go b/vendor/github.com/karalabe/gousb/usb/iso.go
deleted file mode 100644
index 1ba694e0e..000000000
--- a/vendor/github.com/karalabe/gousb/usb/iso.go
+++ /dev/null
@@ -1,148 +0,0 @@
-// 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
-
-/*
-#include "libusb.h"
-
-int submit(struct libusb_transfer *xfer);
-void print_xfer(struct libusb_transfer *xfer);
-int extract_data(struct libusb_transfer *xfer, void *data, int max, unsigned char *status);
-*/
-import "C"
-
-import (
-	"fmt"
-	"log"
-	"time"
-	"unsafe"
-)
-
-//export iso_callback
-func iso_callback(cptr unsafe.Pointer) {
-	ch := *(*chan struct{})(cptr)
-	close(ch)
-}
-
-func (end *endpoint) allocTransfer() *Transfer {
-	// Use libusb_get_max_iso_packet_size ?
-	const (
-		iso_packets = 8       // 128 // 242
-		packet_size = 2 * 960 // 1760
-	)
-
-	xfer := C.libusb_alloc_transfer(C.int(iso_packets))
-	if xfer == nil {
-		log.Printf("usb: transfer allocation failed?!")
-		return nil
-	}
-
-	buf := make([]byte, iso_packets*packet_size)
-	done := make(chan struct{}, 1)
-
-	xfer.dev_handle = end.Device.handle
-	xfer.endpoint = C.uchar(end.Address)
-	xfer._type = C.LIBUSB_TRANSFER_TYPE_ISOCHRONOUS
-
-	xfer.buffer = (*C.uchar)((unsafe.Pointer)(&buf[0]))
-	xfer.length = C.int(len(buf))
-	xfer.num_iso_packets = iso_packets
-
-	C.libusb_set_iso_packet_lengths(xfer, packet_size)
-	/*
-		pkts := *(*[]C.struct_libusb_packet_descriptor)(unsafe.Pointer(&reflect.SliceHeader{
-			Data: uintptr(unsafe.Pointer(&xfer.iso_packet_desc)),
-			Len:  iso_packets,
-			Cap:  iso_packets,
-		}))
-	*/
-
-	t := &Transfer{
-		xfer: xfer,
-		done: done,
-		buf:  buf,
-	}
-	xfer.user_data = (unsafe.Pointer)(&t.done)
-
-	return t
-}
-
-type Transfer struct {
-	xfer *C.struct_libusb_transfer
-	pkts []*C.struct_libusb_packet_descriptor
-	done chan struct{}
-	buf  []byte
-}
-
-func (t *Transfer) Submit(timeout time.Duration) error {
-	//log.Printf("iso: submitting %#v", t.xfer)
-	t.xfer.timeout = C.uint(timeout / time.Millisecond)
-	if errno := C.submit(t.xfer); errno < 0 {
-		return usbError(errno)
-	}
-	return nil
-}
-
-func (t *Transfer) Wait(b []byte) (n int, err error) {
-	select {
-	case <-time.After(10 * time.Second):
-		return 0, fmt.Errorf("wait timed out after 10s")
-	case <-t.done:
-	}
-	// Non-iso transfers:
-	//n = int(t.xfer.actual_length)
-	//copy(b, ((*[1 << 16]byte)(unsafe.Pointer(t.xfer.buffer)))[:n])
-
-	//C.print_xfer(t.xfer)
-	/*
-		buf, offset := ((*[1 << 16]byte)(unsafe.Pointer(t.xfer.buffer))), 0
-		for i, pkt := range *t.pkts {
-			log.Printf("Type is %T", t.pkts)
-			n += copy(b[n:], buf[offset:][:pkt.actual_length])
-			offset += pkt.Length
-			if pkt.status != 0 && err == nil {
-				err = error(TransferStatus(pkt.status))
-			}
-		}
-	*/
-	var status uint8
-	n = int(C.extract_data(t.xfer, unsafe.Pointer(&b[0]), C.int(len(b)), (*C.uchar)(unsafe.Pointer(&status))))
-	if status != 0 {
-		err = TransferStatus(status)
-	}
-	return n, err
-}
-
-func (t *Transfer) Close() error {
-	C.libusb_free_transfer(t.xfer)
-	return nil
-}
-
-func isochronous_xfer(e *endpoint, buf []byte, timeout time.Duration) (int, error) {
-	t := e.allocTransfer()
-	defer t.Close()
-
-	if err := t.Submit(timeout); err != nil {
-		log.Printf("iso: xfer failed to submit: %s", err)
-		return 0, err
-	}
-
-	n, err := t.Wait(buf)
-	if err != nil {
-		log.Printf("iso: xfer failed: %s", err)
-		return 0, err
-	}
-	return n, err
-}