diff options
Diffstat (limited to 'vendor/github.com/karalabe/gousb/usb/usb.go')
-rw-r--r-- | vendor/github.com/karalabe/gousb/usb/usb.go | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/vendor/github.com/karalabe/gousb/usb/usb.go b/vendor/github.com/karalabe/gousb/usb/usb.go deleted file mode 100644 index 366827e69..000000000 --- a/vendor/github.com/karalabe/gousb/usb/usb.go +++ /dev/null @@ -1,178 +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 provides a wrapper around libusb-1.0. -package usb - -/* -#cgo CFLAGS: -I../internal/libusb/libusb -#cgo CFLAGS: -DDEFAULT_VISIBILITY="" -#cgo linux CFLAGS: -DOS_LINUX -D_GNU_SOURCE -DPOLL_NFDS_TYPE=int -#cgo darwin CFLAGS: -DOS_DARWIN -DPOLL_NFDS_TYPE=int -#cgo darwin LDFLAGS: -framework CoreFoundation -framework IOKit -lobjc -#cgo openbsd CFLAGS: -DOS_OPENBSD -DPOLL_NFDS_TYPE=int -#cgo windows CFLAGS: -DOS_WINDOWS -DUSE_USBDK -DPOLL_NFDS_TYPE=int - -#if defined(OS_LINUX) || defined(OS_DARWIN) || defined(OS_OPENBSD) - #include <sys/poll.h> - #include "os/threads_posix.c" - #include "os/poll_posix.c" -#elif defined(OS_WINDOWS) - #include "os/threads_windows.c" - #include "os/poll_windows.c" -#endif - -#ifdef OS_LINUX - #include "os/linux_usbfs.c" - #include "os/linux_netlink.c" -#elif OS_DARWIN - #include "os/darwin_usb.c" -#elif OS_OPENBSD - #include "os/openbsd_usb.c" -#elif OS_WINDOWS - #include "os/windows_nt_common.c" - #include "os/windows_usbdk.c" -#endif - -#include "core.c" -#include "descriptor.c" -#include "hotplug.c" -#include "io.c" -#include "strerror.c" -#include "sync.c" -*/ -import "C" - -import ( - "log" - "reflect" - "unsafe" -) - -type Context struct { - ctx *C.libusb_context - done chan struct{} -} - -func (c *Context) Debug(level int) { - C.libusb_set_debug(c.ctx, C.int(level)) -} - -func NewContext() (*Context, error) { - c := &Context{ - done: make(chan struct{}), - } - - if errno := C.libusb_init(&c.ctx); errno != 0 { - return nil, usbError(errno) - } - - go func() { - tv := C.struct_timeval{ - tv_sec: 0, - tv_usec: 100000, - } - for { - select { - case <-c.done: - return - default: - } - if errno := C.libusb_handle_events_timeout_completed(c.ctx, &tv, nil); errno < 0 { - log.Printf("handle_events: error: %s", usbError(errno)) - continue - } - //log.Printf("handle_events returned") - } - }() - - return c, nil -} - -// ListDevices calls each with each enumerated device. -// If the function returns true, the device is opened and a Device is returned if the operation succeeds. -// Every Device returned (whether an error is also returned or not) must be closed. -// If there are any errors enumerating the devices, -// the final one is returned along with any successfully opened devices. -func (c *Context) ListDevices(each func(desc *Descriptor) bool) ([]*Device, error) { - var list **C.libusb_device - cnt := C.libusb_get_device_list(c.ctx, &list) - if cnt < 0 { - return nil, usbError(cnt) - } - defer C.libusb_free_device_list(list, 1) - - var slice []*C.libusb_device - *(*reflect.SliceHeader)(unsafe.Pointer(&slice)) = reflect.SliceHeader{ - Data: uintptr(unsafe.Pointer(list)), - Len: int(cnt), - Cap: int(cnt), - } - - var reterr error - var ret []*Device - for _, dev := range slice { - desc, err := newDescriptor(dev) - if err != nil { - reterr = err - continue - } - - if each(desc) { - var handle *C.libusb_device_handle - if errno := C.libusb_open(dev, &handle); errno != 0 { - reterr = usbError(errno) - continue - } - if dev, err := newDevice(handle, desc); err != nil { - reterr = err - } else { - ret = append(ret, dev) - } - } - } - return ret, reterr -} - -// OpenDeviceWithVidPid opens Device from specific VendorId and ProductId. -// If there are any errors, it'll returns at second value. -func (c *Context) OpenDeviceWithVidPid(vid, pid int) (*Device, error) { - - handle := C.libusb_open_device_with_vid_pid(c.ctx, (C.uint16_t)(vid), (C.uint16_t)(pid)) - if handle == nil { - return nil, ERROR_NOT_FOUND - } - - dev := C.libusb_get_device(handle) - if dev == nil { - return nil, ERROR_NO_DEVICE - } - - desc, err := newDescriptor(dev) - - // return an error from nil-handle and nil-device - if err != nil { - return nil, err - } - return newDevice(handle, desc) -} - -func (c *Context) Close() error { - close(c.done) - if c.ctx != nil { - C.libusb_exit(c.ctx) - } - c.ctx = nil - return nil -} |