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remove a call to libusb_open_device_with_vid_pid, as it's just a

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convenience wrapper. Reimplement the same trivial wrapper in Go.
This commit is contained in:
Sebastian Zagrodzki
2017-03-10 07:22:04 -05:00
parent 5608fa49e7
commit 4b17678362
2 changed files with 17 additions and 26 deletions
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14
usb/libusb.go
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@@ -50,7 +50,6 @@ type libusbIntf interface {
getDevices(*libusbContext) ([]*libusbDevice, error)
exit(*libusbContext)
setDebug(*libusbContext, int)
openVIDPID(*libusbContext, int, int) (*libusbDevice, *libusbDevHandle, error)
// device
dereference(*libusbDevice)
@@ -133,19 +132,6 @@ func (libusbImpl) setDebug(c *libusbContext, lvl int) {
C.libusb_set_debug((*C.libusb_context)(c), C.int(lvl))
}
func (libusbImpl) openVIDPID(ctx *libusbContext, vid, pid int) (*libusbDevice, *libusbDevHandle, error) {
h := C.libusb_open_device_with_vid_pid((*C.libusb_context)(ctx), (C.uint16_t)(vid), (C.uint16_t)(pid))
if h == nil {
return nil, nil, ERROR_NOT_FOUND
}
dev := C.libusb_get_device(h)
if dev == nil {
return nil, nil, ERROR_NO_DEVICE
}
C.libusb_ref_device(dev)
return (*libusbDevice)(dev), (*libusbDevHandle)(h), nil
}
func (libusbImpl) getDeviceDesc(d *libusbDevice) (*Descriptor, error) {
var desc C.struct_libusb_device_descriptor
if err := fromUSBError(C.libusb_get_device_descriptor((*C.libusb_device)(d), &desc)); err != nil {