Tryanks/gousb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Allow opening multiple endpoints for the same device, if configuration is also the same.

Browse Source
This commit is contained in:
Ivan Krasin
2013-06-16 20:29:54 -07:00
parent 333941e08d
commit b0713f61b4
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
usb/device.go
View File

@@ -157,8 +157,14 @@ func (d *Device) OpenEndpoint(conf, iface, setup, epoint uint8) (Endpoint, error
found: found:
// Set the configuration // Set the configuration
if errno := C.libusb_set_configuration(d.handle, C.int(conf)); errno < 0 { var activeConf C.int
return nil, fmt.Errorf("usb: setcfg: %s", usbError(errno)) 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 // Claim the interface