zwave-thermostat: Subdriver modifications for lazy loading

Author: aleclorimer

drivers/SmartThings/zwave-thermostat/src/aeotec-radiator-thermostat/can_handle.lua

@@ -0,0 +1,14 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local function can_handle_aeotec_radiator_thermostat(opts, driver, device, ...)
+    local AEOTEC_THERMOSTAT_FINGERPRINT = {mfr = 0x0371, prod = 0x0002, model = 0x0015}
+
+    if device:id_match(AEOTEC_THERMOSTAT_FINGERPRINT.mfr, AEOTEC_THERMOSTAT_FINGERPRINT.prod, AEOTEC_THERMOSTAT_FINGERPRINT.model) then
+        return true, require "aeotec-radiator-thermostat"
+    else
+        return false
+    end
+end
+
+return can_handle_aeotec_radiator_thermostat

drivers/SmartThings/zwave-thermostat/src/aeotec-radiator-thermostat/init.lua

@@ -14,12 +14,6 @@ local SensorMultilevel = (require "st.zwave.CommandClass.SensorMultilevel")({ver
 --- @type st.zwave.CommandClass.ThermostatSetpoint
 local ThermostatSetpoint = (require "st.zwave.CommandClass.ThermostatSetpoint")({version=1})
 
-local AEOTEC_THERMOSTAT_FINGERPRINT = {mfr = 0x0371, prod = 0x0002, model = 0x0015}
-
-local function can_handle_aeotec_radiator_thermostat(opts, driver, device, ...)
-  return device:id_match(AEOTEC_THERMOSTAT_FINGERPRINT.mfr, AEOTEC_THERMOSTAT_FINGERPRINT.prod, AEOTEC_THERMOSTAT_FINGERPRINT.model)
-end
-
 local function thermostat_mode_report_handler(self, device, cmd)
   local event = nil
   if (cmd.args.mode == ThermostatMode.mode.OFF) then

drivers/SmartThings/zwave-thermostat/src/apiv6_bugfix/can_handle.lua

@@ -3,15 +3,21 @@
 
 local function can_handle(opts, driver, device, cmd, ...)
   local version = require "version"
-  return version.api == 6 and
+  local DANFOSS_LC13_THERMOSTAT_FPS = require "apiv6_bugfix.fingerprints"
+  
+  if version.api == 6 and
     cmd.cmd_class == cc.WAKE_UP and
     cmd.cmd_id == WakeUp.NOTIFICATION and not
     (device:id_match(DANFOSS_LC13_THERMOSTAT_FPS[1].manufacturerId,
       DANFOSS_LC13_THERMOSTAT_FPS[1].productType,
       DANFOSS_LC13_THERMOSTAT_FPS[1].productId) or
     device:id_match(DANFOSS_LC13_THERMOSTAT_FPS[2].manufacturerId,
       DANFOSS_LC13_THERMOSTAT_FPS[2].productType,
-      DANFOSS_LC13_THERMOSTAT_FPS[2].productId))
+      DANFOSS_LC13_THERMOSTAT_FPS[2].productId)) then
+    return true, require "apiv6_bugfix"
+      else
+    return false
+  end
 end
 
 return can_handle

drivers/SmartThings/zwave-thermostat/src/apiv6_bugfix/fingerprints.lua

@@ -0,0 +1,9 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local DANFOSS_LC13_THERMOSTAT_FPS = {
+    { manufacturerId = 0x0002, productType = 0x0005, productId = 0x0003 }, -- Danfoss LC13 Thermostat
+    { manufacturerId = 0x0002, productType = 0x0005, productId = 0x0004 } -- Danfoss LC13 Thermostat
+}
+
+return DANFOSS_LC13_THERMOSTAT_FPS

drivers/SmartThings/zwave-thermostat/src/apiv6_bugfix/init.lua

@@ -4,11 +4,6 @@
 local cc = require "st.zwave.CommandClass"
 local WakeUp = (require "st.zwave.CommandClass.WakeUp")({ version = 1 })
 
-local DANFOSS_LC13_THERMOSTAT_FPS = {
-    { manufacturerId = 0x0002, productType = 0x0005, productId = 0x0003 }, -- Danfoss LC13 Thermostat
-    { manufacturerId = 0x0002, productType = 0x0005, productId = 0x0004 } -- Danfoss LC13 Thermostat
-}
-
 
 local function wakeup_notification(driver, device, cmd)
   device:refresh()

drivers/SmartThings/zwave-thermostat/src/ct100-thermostat/can_handle.lua

@@ -0,0 +1,15 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local function can_handle_ct100_thermostat(opts, driver, device)
+    local CT100_THERMOSTAT_FINGERPRINTS = require "ct100-thermostat.fingerprints"
+    for _, fingerprint in ipairs(CT100_THERMOSTAT_FINGERPRINTS) do
+    if device:id_match( fingerprint.manufacturerId, fingerprint.productType, fingerprint.productId) then
+      return true, require "ct100-thermostat"
+    end
+  end
+
+  return false
+end
+
+return can_handle_ct100_thermostat

drivers/SmartThings/zwave-thermostat/src/ct100-thermostat/fingerprints.lua

@@ -0,0 +1,9 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local CT100_THERMOSTAT_FINGERPRINTS = {
+  { manufacturerId = 0x0098, productType = 0x6401, productId = 0x0107 }, -- 2Gig CT100 Programmable Thermostat
+  { manufacturerId = 0x0098, productType = 0x6501, productId = 0x000C }, -- Iris Thermostat
+}
+
+return CT100_THERMOSTAT_FINGERPRINTS

drivers/SmartThings/zwave-thermostat/src/ct100-thermostat/init.lua

@@ -23,11 +23,6 @@ local cooling_setpoint_defaults = require "st.zwave.defaults.thermostatCoolingSe
 local constants = require "st.zwave.constants"
 local utils = require "st.utils"
 
-local CT100_THERMOSTAT_FINGERPRINTS = {
-  { manufacturerId = 0x0098, productType = 0x6401, productId = 0x0107 }, -- 2Gig CT100 Programmable Thermostat
-  { manufacturerId = 0x0098, productType = 0x6501, productId = 0x000C }, -- Iris Thermostat
-}
-
 -- This old device uses separate endpoints to get values of temp and humidity
 -- DTH actually uses the old mutliInstance encap, but multichannel should be back-compat
 local TEMPERATURE_ENDPOINT = 1
@@ -65,16 +60,6 @@ local function set_setpoint_factory(setpoint_type)
   end
 end
 
-local function can_handle_ct100_thermostat(opts, driver, device)
-  for _, fingerprint in ipairs(CT100_THERMOSTAT_FINGERPRINTS) do
-    if device:id_match( fingerprint.manufacturerId, fingerprint.productType, fingerprint.productId) then
-      return true
-    end
-  end
-
-  return false
-end
-
 local function thermostat_mode_report_handler(self, device, cmd)
   local event = nil
 

drivers/SmartThings/zwave-thermostat/src/popp-radiator-thermostat/can_handle.lua

@@ -0,0 +1,14 @@
+-- Copyright 2025 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local function can_handle_popp_radiator_thermostat(opts, driver, device, ...)
+  local POPP_THERMOSTAT_FINGERPRINT = {mfr = 0x0002, prod = 0x0115, model = 0xA010}
+
+  if device:id_match(POPP_THERMOSTAT_FINGERPRINT.mfr, POPP_THERMOSTAT_FINGERPRINT.prod, POPP_THERMOSTAT_FINGERPRINT.model) then
+    return true, require "popp-radiator-thermostat"
+  else
+    return false
+  end
+end
+
+return can_handle_popp_radiator_thermostat

drivers/SmartThings/zwave-thermostat/src/popp-radiator-thermostat/init.lua

@@ -19,8 +19,6 @@ local LATEST_WAKEUP = "latest_wakeup"
 local CACHED_SETPOINT = "cached_setpoint"
 local POPP_WAKEUP_INTERVAL = 600 --seconds
 
-local POPP_THERMOSTAT_FINGERPRINT = {mfr = 0x0002, prod = 0x0115, model = 0xA010}
-
 local function get_latest_wakeup_timestamp(device)
   return device:get_field(LATEST_WAKEUP)
 end
@@ -38,10 +36,6 @@ local function seconds_since_latest_wakeup(device)
   end
 end
 
-local function can_handle_popp_radiator_thermostat(opts, driver, device, ...)
-  return device:id_match(POPP_THERMOSTAT_FINGERPRINT.mfr, POPP_THERMOSTAT_FINGERPRINT.prod, POPP_THERMOSTAT_FINGERPRINT.model)
-end
-
 -- POPP is a sleepy device, therefore it won't accept setpoint commands rightaway.
 -- That's why driver waits for a device to wake up and then sends cached setpoint command.
 -- Driver assumes that wakeUps come in reguraly every 10 minutes.