Simple BLE scanner example

ports/nrf/boards/feather52/examples/ble_scan.py

@@ -0,0 +1,23 @@
+from ubluepy import Scanner, constants
+
+def bytes_to_str(bytes):
+    string = ""
+    for b in bytes:
+        string += chr(b)
+    return string
+
+def list_scan_results(scan_entries):
+    for e in scan_entries:
+        print("ADDR: ", e.addr())
+        print("TYPE: ", e.addr_type())
+        print("RSSI: ", e.rssi())
+        scan = e.getScanData()
+        if scan:
+            for s in scan:
+                #if s[0] == constants.ad_types.AD_TYPE_COMPLETE_LOCAL_NAME:
+                print('\t{}: {}'.format(s[1], s[2]))
+        print("")
+
+s = Scanner()
+scan_res = s.scan(2000)
+list_scan_results(scan_res)