HackRF: open device by serial number

devices/hackrf/devicehackrf.cpp

@@ -33,6 +33,33 @@ hackrf_device *DeviceHackRF::open_hackrf(int sequence)
     return open_hackrf_from_sequence(sequence);
 }
 
+hackrf_device *DeviceHackRF::open_hackrf(const char * const serial)
+{
+    hackrf_error rc;
+
+    // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
+    rc = (hackrf_error) hackrf_init();
+
+    if (rc != HACKRF_SUCCESS)
+    {
+        fprintf(stderr, "DeviceHackRF::open_hackrf: failed to initiate HackRF library %s\n", hackrf_error_name(rc));
+        return 0;
+    }
+
+    hackrf_device *hackrf_ptr;
+
+    rc = (hackrf_error) hackrf_open_by_serial(serial, &hackrf_ptr);
+
+    if (rc == HACKRF_SUCCESS)
+    {
+        return hackrf_ptr;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
 hackrf_device *DeviceHackRF::open_hackrf_from_sequence(int sequence)
 {
     hackrf_device_list_t *hackrf_devices = hackrf_device_list();