HackRF input: open and close device considering the possible sink buddy

devices/hackrf/devicehackrf.cpp

@@ -14,8 +14,25 @@
 // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 ///////////////////////////////////////////////////////////////////////////////////
 
+#include <stdio.h>
 #include "devicehackrf.h"
 
+hackrf_device *DeviceHackRF::open_hackrf(int sequence)
+{
+    hackrf_error rc;
+
+    rc = (hackrf_error) hackrf_init();
+
+    // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
+    if (rc != HACKRF_SUCCESS)
+    {
+        fprintf(stderr, "DeviceHackRF::open_hackrf: failed to initiate HackRF library %s\n", hackrf_error_name(rc));
+        return 0;
+    }
+
+    return open_hackrf_from_sequence(sequence);
+}
+
 hackrf_device *DeviceHackRF::open_hackrf_from_sequence(int sequence)
 {
     hackrf_device_list_t *hackrf_devices = hackrf_device_list();