zb-motion: Lazy loading of can handle. Developed heavily assisted by scripting.

Author: aleclorimer

drivers/SmartThings/zigbee-motion-sensor/src/aqara/can_handle.lua

@@ -0,0 +1,14 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local is_aqara_products = function(opts, driver, device)
+  local FINGERPRINTS = require("aqara.fingerprints")
+  for _, fingerprint in ipairs(FINGERPRINTS) do
+    if device:get_manufacturer() == fingerprint.mfr and device:get_model() == fingerprint.model then
+      return true, require("aqara")
+    end
+  end
+  return false
+end
+
+return is_aqara_products

drivers/SmartThings/zigbee-motion-sensor/src/aqara/fingerprints.lua

@@ -0,0 +1,10 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local FINGERPRINTS = {
+  { mfr = "LUMI", model = "lumi.motion.ac02" },
+  { mfr = "LUMI", model = "lumi.motion.agl02" },
+  { mfr = "LUMI", model = "lumi.motion.agl04" }
+}
+
+return FINGERPRINTS

drivers/SmartThings/zigbee-motion-sensor/src/aqara/init.lua

@@ -16,11 +16,6 @@ local FREQUENCY_ATTRIBUTE_ID = 0x0102
 
 local MOTION_DETECTED_UINT32 = 65536
 
-local FINGERPRINTS = {
-  { mfr = "LUMI", model = "lumi.motion.ac02" },
-  { mfr = "LUMI", model = "lumi.motion.agl02" },
-  { mfr = "LUMI", model = "lumi.motion.agl04" }
-}
 
 local CONFIGURATIONS = {
   {
@@ -33,14 +28,6 @@ local CONFIGURATIONS = {
   }
 }
 
-local is_aqara_products = function(opts, driver, device)
-  for _, fingerprint in ipairs(FINGERPRINTS) do
-    if device:get_manufacturer() == fingerprint.mfr and device:get_model() == fingerprint.model then
-      return true
-    end
-  end
-  return false
-end
 
 local function motion_illuminance_attr_handler(driver, device, value, zb_rx)
   -- The low 16 bits for Illuminance
@@ -126,7 +113,7 @@ local aqara_motion_handler = {
   sub_drivers = {
     require("aqara.high-precision-motion")
   },
-  can_handle = is_aqara_products
+  can_handle = require("aqara.can_handle"),
 }
 
 return aqara_motion_handler

drivers/SmartThings/zigbee-motion-sensor/src/aurora/can_handle.lua

@@ -0,0 +1,11 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local function aurora_can_handle(opts, driver, device, ...)
+    if device:get_manufacturer() == "Aurora" and device:get_model() == "MotionSensor51AU" then
+    return true, require("aurora")
+    end
+    return false
+  end
+
+return aurora_can_handle

drivers/SmartThings/zigbee-motion-sensor/src/aurora/init.lua

@@ -24,9 +24,7 @@ local aurora_motion_driver = {
   lifecycle_handlers = {
     added = added_handler,
   },
-  can_handle = function(opts, driver, device, ...)
-    return device:get_manufacturer() == "Aurora" and device:get_model() == "MotionSensor51AU"
-  end
+  can_handle = require("aurora.can_handle"),
 }
 
 return aurora_motion_driver

drivers/SmartThings/zigbee-motion-sensor/src/battery-voltage/can_handle.lua

@@ -0,0 +1,14 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local can_handle_battery_voltage = function(opts, driver, device, ...)
+  local FINGERPRINTS = require("battery-voltage.fingerprints")
+  for _, fingerprint in ipairs(FINGERPRINTS) do
+    if device:get_manufacturer() == fingerprint.mfr and device:get_model() == fingerprint.model then
+      return true, require("battery-voltage")
+    end
+  end
+  return false
+end
+
+return can_handle_battery_voltage

drivers/SmartThings/zigbee-motion-sensor/src/battery-voltage/fingerprints.lua

@@ -0,0 +1,12 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local DEVICES_REPORTING_BATTERY_VOLTAGE = {
+  { mfr = "Bosch", model = "RFPR-ZB" },
+  { mfr = "Bosch", model = "RFDL-ZB-MS" },
+  { mfr = "Ecolink", model = "PIRZB1-ECO" },
+  { mfr = "ADUROLIGHT", model = "VMS_ADUROLIGHT" },
+  { mfr = "AduroSmart Eria", model = "VMS_ADUROLIGHT" }
+}
+
+return DEVICES_REPORTING_BATTERY_VOLTAGE

drivers/SmartThings/zigbee-motion-sensor/src/battery-voltage/init.lua

@@ -14,30 +14,13 @@
 
 local battery_defaults = require "st.zigbee.defaults.battery_defaults"
 
-local DEVICES_REPORTING_BATTERY_VOLTAGE = {
-  { mfr = "Bosch", model = "RFPR-ZB" },
-  { mfr = "Bosch", model = "RFDL-ZB-MS" },
-  { mfr = "Ecolink", model = "PIRZB1-ECO" },
-  { mfr = "ADUROLIGHT", model = "VMS_ADUROLIGHT" },
-  { mfr = "AduroSmart Eria", model = "VMS_ADUROLIGHT" }
-}
-
-local can_handle_battery_voltage = function(opts, driver, device, ...)
-  for _, fingerprint in ipairs(DEVICES_REPORTING_BATTERY_VOLTAGE) do
-    if device:get_manufacturer() == fingerprint.mfr and device:get_model() == fingerprint.model then
-      return true
-    end
-  end
-  return false
-end
-
 
 local battery_voltage_motion = {
   NAME = "Battery Voltage Motion Sensor",
   lifecycle_handlers = {
     init = battery_defaults.build_linear_voltage_init(2.1, 3.0)
   },
-  can_handle = can_handle_battery_voltage
+  can_handle = require("battery-voltage.can_handle"),
 }
 
 return battery_voltage_motion

drivers/SmartThings/zigbee-motion-sensor/src/centralite/can_handle.lua

@@ -0,0 +1,11 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local function centralite_can_handle(opts, driver, device, ...)
+    if device:get_manufacturer() == "CentraLite" then
+    return true, require("centralite")
+    end
+    return false
+  end
+
+return centralite_can_handle

drivers/SmartThings/zigbee-motion-sensor/src/centralite/init.lua

@@ -46,9 +46,7 @@ local centralite_handler = {
   lifecycle_handlers = {
     init = init_handler
   },
-  can_handle = function(opts, driver, device, ...)
-    return device:get_manufacturer() == "CentraLite"
-  end
+  can_handle = require("centralite.can_handle"),
 }
 
 return centralite_handler