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Merge branch 'master' of github.com:kylelemons/gousb

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This commit is contained in:
Kyle Lemons
2013-06-18 00:43:40 -07:00
parent 333941e08d 969c2fa8e5
commit 98ceb07d97
2 changed files with 28 additions and 2 deletions
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20
usb/constants.go
View File

@@ -147,3 +147,23 @@ var isoUsageTypeDescription = map[IsoUsageType]string{
func (iut IsoUsageType) String() string {
return isoUsageTypeDescription[iut]
}
type RequestType uint8
const (
REQUEST_TYPE_STANDARD = C.LIBUSB_REQUEST_TYPE_STANDARD
REQUEST_TYPE_CLASS = C.LIBUSB_REQUEST_TYPE_CLASS
REQUEST_TYPE_VENDOR = C.LIBUSB_REQUEST_TYPE_VENDOR
REQUEST_TYPE_RESERVED = C.LIBUSB_REQUEST_TYPE_RESERVED
)
var requestTypeDescription = map[RequestType]string{
REQUEST_TYPE_STANDARD: "standard",
REQUEST_TYPE_CLASS: "class",
REQUEST_TYPE_VENDOR: "vendor",
REQUEST_TYPE_RESERVED: "reserved",
}
func (rt RequestType) String() string {
return requestTypeDescription[rt]
}

6
usb/device.go
View File

@@ -157,9 +157,15 @@ func (d *Device) OpenEndpoint(conf, iface, setup, epoint uint8) (Endpoint, error
found:
// Set the configuration
var activeConf C.int
if errno := C.libusb_get_configuration(d.handle, &activeConf); errno < 0 {
return nil, fmt.Errorf("usb: getcfg: %s", usbError(errno))
}
if int(activeConf) != int(conf) {
if errno := C.libusb_set_configuration(d.handle, C.int(conf)); errno < 0 {
return nil, fmt.Errorf("usb: setcfg: %s", usbError(errno))
}
}
// Claim the interface
if errno := C.libusb_claim_interface(d.handle, C.int(iface)); errno < 0 {