doc(io): Update io_controller.py example file

Signed-off-by: Sven Sager <s.sager@kunbus.com>

data/examples/io_controller.py

@@ -1,40 +1,59 @@
-from time import time
+# -*- coding: utf-8 -*-
+# SPDX-FileCopyrightText: 2025 KUNBUS GmbH
+# SPDX-License-Identifier: GPL-2.0-or-later
+"""Switches 14 outputs on a DIO to the same value as the first input."""
+
+from time import perf_counter
 
 from gi.repository import GLib
 from pydbus import SystemBus
 
 detected_signal = False
-timestamp = time()
+timestamp = perf_counter()
 
+# Get system bus
 bus = SystemBus()
-bus_revpi = bus.get("com.revolutionpi.ios1", "/com/revolutionpi/ios1")
-interface = bus_revpi["com.revolutionpi.ios1.IoManager"]
 
-io_o_1_path = interface.Get("O_1")
-io_revpiled_path = interface.Get("RevPiLED")
+# Get IoManager interface on ios1 bus
+iface_io_manager = bus.get(
+    "com.revolutionpi.ios1",
+    "/com/revolutionpi/ios1",
+)["com.revolutionpi.ios1.IoManager"]
 
-io_RevPiLED = bus.get("com.revolutionpi.ios1", io_revpiled_path)
-io_O_1 = bus.get("com.revolutionpi.ios1", io_o_1_path)
+# Query object path of RevPiLED output
+path_revpi_led = iface_io_manager.Get("RevPiLED")
+
+# Get Output interface in the queried object path.
+out_RevPiLED = bus.get("com.revolutionpi.ios1", path_revpi_led)["com.revolutionpi.ios1.Output"]
+
+# Get all 14 outputs
+lst_path_outputs = [iface_io_manager.Get(f"O_{i}") for i in range(1, 15)]
+lst_out_outputs = [
+    bus.get("com.revolutionpi.ios1", path)["com.revolutionpi.ios1.Output"]
+    for path in lst_path_outputs
+]
 
 
 def signal_handler(io_name, io_value):
     global timestamp
 
     print(f"Signal received: {io_name} = {io_value}")
-    if io_name == "O_1":
-        timestamp = time()
-        io_RevPiLED.Set("com.revolutionpi.ios1.OutInt", "value", GLib.Variant("i", int(io_value)))
+
+    if io_name == "O_14":
+        print(f"Time since input detection: {perf_counter() - timestamp}")
 
     elif io_name == "I_1":
-        io_RevPiLED.Set("com.revolutionpi.ios1.OutInt", "value", GLib.Variant("i", int(io_value)))
-        io_O_1.Set("com.revolutionpi.ios1.OutBool", "value", GLib.Variant("b", not io_value))
-        print(time() - timestamp)
+        timestamp = perf_counter()
+
+        out_RevPiLED.SetValue(GLib.Variant("i", io_value))
+        for output in lst_out_outputs:
+            output.SetValue(GLib.Variant("b", io_value))
 
 
-# Start event detection
-interface.ActivateIoEvents()
+# Start change detection to fire signals on dbus
+iface_io_manager.ActivateIoSignals()
 
-interface.onIoChanged = signal_handler
+iface_io_manager.onIoChanged = signal_handler
 
 try:
     loop = GLib.MainLoop()
@@ -42,5 +61,5 @@ try:
 except KeyboardInterrupt:
     pass
 
-# Stop event detection
-interface.DeactivateIoEvents()
+# Stop change detection
+iface_io_manager.DeactivateIoSignals()