.\" .\" libdivecomputer .\" .\" Copyright (C) 2020 Vincent Hagen .\" .\" This library is free software; you can redistribute it and/or .\" modify it under the terms of the GNU Lesser General Public .\" License as published by the Free Software Foundation; either .\" version 2.1 of the License, or (at your option) any later version. .\" .\" This library is distributed in the hope that it will be useful, .\" but WITHOUT ANY WARRANTY; without even the implied warranty of .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU .\" Lesser General Public License for more details. .\" .\" You should have received a copy of the GNU Lesser General Public .\" License along with this library; if not, write to the Free Software .\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, .\" MA 02110-1301 USA .\" .Dd June 5, 2020 .Dt DC_DESCRIPTOR_GET_TRANSPORTS 3 .Os .Sh NAME .Nm dc_descriptor_get_transports .Nd Gets the transports supported by the given descriptor. .Sh LIBRARY .Lb libdivecomputer .Sh SYNOPSIS .In libdivecomputer/descriptor.h .Ft "unsigned int" .Fo dc_descriptor_get_transports .Fa "dc_descriptor_t *descriptor" .Fc .Sh DESCRIPTION Gets the transports supported by the given .Fa descriptor . The .Fa descriptor usually found by searching through .Xr dc_descriptor_iterator 3 . .Sh RETURN VALUES Returns a union (bitwise OR) of the transports supported by the given .Fa descriptor . .Pp The result is combination of .Dv DC_TRANSPORT_USB , .Dv DC_TRANSPORT_USBHID , .Dv DC_TRANSPORT_BLE , .Dv DC_TRANSPORT_BLUETOOTH , .Dv DC_TRANSPORT_SERIAL , .Dv DC_TRANSPORT_IRDA .Pp To determine if a specific transport is supported use the following code .Bd -literal -offset indent unsigned int transports = dc_descriptor_get_transports(descriptor); if(transports & DC_TRANSPORT_USBHID) { // Device supports USB HID as transport } .Ed .Sh SEE ALSO .Xr dc_descriptor_iterator 3 . .Sh AUTHORS The .Lb libdivecomputer library was written by .An Jef Driesen , .Mt jef@libdivecomputer.org . .br This manpage is written by .An Vincent Hagen , .Mt vinnie@script4web.nl .