1

andor-test/01_init_and_discover.py

@@ -56,6 +56,20 @@ def test_init_and_discover():
             return False
 
         atcore = ctypes.cdll.LoadLibrary(dll_path)
+
+        # Define function signatures to match C++ API
+        # int AT_InitialiseLibrary()
+        atcore.AT_InitialiseLibrary.argtypes = []
+        atcore.AT_InitialiseLibrary.restype = ctypes.c_int
+
+        # int AT_FinaliseLibrary()
+        atcore.AT_FinaliseLibrary.argtypes = []
+        atcore.AT_FinaliseLibrary.restype = ctypes.c_int
+
+        # int AT_GetInt(AT_H Hndl, const AT_WC* Feature, AT_64* Value)
+        atcore.AT_GetInt.argtypes = [ctypes.c_int, ctypes.c_wchar_p, ctypes.POINTER(ctypes.c_longlong)]
+        atcore.AT_GetInt.restype = ctypes.c_int
+
         print(f"✓ DLL loaded successfully: {dll_path}")
     except Exception as e:
         print(f"❌ Error loading DLL: {e}")
@@ -81,11 +95,10 @@ def test_init_and_discover():
     print("[3/4] Detecting connected cameras...")
     try:
         device_count = ctypes.c_longlong(0)
-        # Use ctypes.create_unicode_buffer for proper wide string handling
-        feature_name = ctypes.create_unicode_buffer("Device Count")
+        # Use wide string like C++ L"Device Count"
         ret = atcore.AT_GetInt(
             AT_HANDLE_SYSTEM,
-            feature_name,
+            "Device Count",
             ctypes.byref(device_count)
         )