self.machine.device_manager¶
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class
mpf.core.device_manager.
DeviceManager
(machine)¶ Bases:
mpf.core.mpf_controller.MpfController
Manages all the devices in MPF.
Accessing the device_manager in code
There is only one instance of the device_manager in MPF, and it’s accessible via
self.machine.device_manager
.Methods & Attributes
The device_manager has the following methods & attributes available. Note that methods & attributes inherited from base classes are not included here.
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create_devices
(collection_name, config)¶ Create devices for a collection.
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create_machinewide_device_control_events
(**kwargs)¶ Create machine wide control events.
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get_device_control_events
(config)¶ Scan a config dictionary for control_events.
Yields events, methods, delays, and devices for all the devices and control_events in that config.Parameters: config – An MPF config dictionary (either machine-wide or mode- specific). Returns: - The event name
- The callback method of the device
- The delay in ms
- The device object
Return type: A generator of 4-item tuples
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get_monitorable_devices
()¶ Return all devices which are registered as monitorable.
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initialize_devices
()¶ Initialise devices.
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load_devices_config
(validate=True)¶ Load all devices.
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notify_device_changes
(device, notify, old, value)¶ Notify subscribers about changes in a registered device.
Parameters: - device – The device that changed.
- notify –
- old – The old value.
- value – The new value.
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register_monitorable_device
(device)¶ Register a monitorable device.
Parameters: device – The device to register.
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stop_devices
()¶ Stop all devices in the machine.
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