gattlib-py: Added BLE Scan sample

examples/ble_scan/ble_scan.py

@@ -1,20 +0,0 @@
-#!/usr/bin/env python3
-
-# export LD_LIBRARY_PATH=/home/olivier/dev/gattlib/build/dbus/:$LD_LIBRARY_PATH
-
-from gattlib import adapter
-
-adapters = adapter.Adapter.list()
-print("BLE Adapters: %s" % adapters)
-
-
-def on_discovered_device(device):
-    print("Discovered '%s'" % device)
-    # device.connect()
-    # device.discover()
-
-
-default_adapter = adapter.Adapter()
-
-default_adapter.open()
-default_adapter.scan_enable(on_discovered_device, 10)

gattlib-py/examples/ble_scan/ble_scan.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import argparse
+import threading
+
+from gattlib import adapter
+
+parser = argparse.ArgumentParser(description='Gattlib BLE scan example')
+args = parser.parse_args()
+
+# We only use a lock to not mixed printing statements of various devices
+lock = threading.Lock()
+
+
+def connect_ble_device(device):
+    device.connect()
+
+    lock.acquire()
+
+    print("---------------------------------")
+    print("Found BLE Device %s" % device.id)
+    device.discover()
+
+    for key, val in device.characteristics.items():
+        print("- GATTCharacteristic: 0x%x" % key)
+
+    lock.release()
+
+    device.disconnect()
+
+
+def on_discovered_ble_device(device):
+    threading.Thread(target=connect_ble_device, args=(device,)).start()
+
+
+# Use default adapter
+default_adapter = adapter.Adapter()
+
+# Scan for 30 seconds
+default_adapter.open()
+default_adapter.scan_enable(on_discovered_ble_device, 30)