X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=macosx.c;h=a0df84e6b079d4e5ff9fa969a27020631115bbfe;hb=02c8a1424d06cb97061a7ebf96231bdb08673b01;hp=b1e0b4579524ff716174d83f800564f8dc51bb96;hpb=dc422c04af5c63e31de6af2eedcebbfc961ee9e2;p=libserialport.git

diff --git a/macosx.c b/macosx.c
index b1e0b45..a0df84e 100644
--- a/macosx.c
+++ b/macosx.c
@@ -18,6 +18,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include "libserialport.h"
 #include "libserialport_internal.h"
 
@@ -62,6 +63,17 @@ SP_PRIV enum sp_return get_port_details(struct sp_port *port)
 		DEBUG_FMT("Found port %s", path);
 
 		IORegistryEntryGetParentEntry(ioport, kIOServicePlane, &ioparent);
+		if ((cf_property=IORegistryEntrySearchCFProperty(ioparent,kIOServicePlane,
+		           CFSTR("IOClass"), kCFAllocatorDefault,
+		           kIORegistryIterateRecursively | kIORegistryIterateParents))) {
+			if (CFStringGetCString(cf_property, class, sizeof(class),
+			                       kCFStringEncodingASCII) &&
+			    strstr(class, "USB")) {
+				DEBUG("Found USB class device");
+				port->transport = SP_TRANSPORT_USB;
+			}
+			CFRelease(cf_property);
+		}
 		if ((cf_property=IORegistryEntrySearchCFProperty(ioparent,kIOServicePlane,
 		           CFSTR("IOProviderClass"), kCFAllocatorDefault,
 		           kIORegistryIterateRecursively | kIORegistryIterateParents))) {