Elk-M1 climate (#17679)

* Initial climate for Elk-M1.

* Tidy

* fix hound error

* fix hound error

homeassistant/components/climate/elkm1.py

@@ -0,0 +1,193 @@
+"""
+Support for control of Elk-M1 connected thermostats.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/climate.elkm1/
+"""
+from homeassistant.components.climate import (
+    ATTR_TARGET_TEMP_HIGH, ATTR_TARGET_TEMP_LOW, PRECISION_WHOLE, STATE_AUTO,
+    STATE_COOL, STATE_FAN_ONLY, STATE_HEAT, STATE_IDLE, SUPPORT_AUX_HEAT,
+    SUPPORT_FAN_MODE, SUPPORT_OPERATION_MODE, SUPPORT_TARGET_TEMPERATURE_HIGH,
+    SUPPORT_TARGET_TEMPERATURE_LOW, ClimateDevice)
+from homeassistant.components.elkm1 import (
+    DOMAIN as ELK_DOMAIN, ElkEntity, create_elk_entities)
+from homeassistant.const import STATE_ON
+
+DEPENDENCIES = [ELK_DOMAIN]
+
+
+async def async_setup_platform(hass, config, async_add_entities,
+                               discovery_info=None):
+    """Create the Elk-M1 thermostat platform."""
+    if discovery_info is None:
+        return
+
+    elk = hass.data[ELK_DOMAIN]['elk']
+    async_add_entities(create_elk_entities(
+        hass, elk.thermostats, 'thermostat', ElkThermostat, []), True)
+
+
+class ElkThermostat(ElkEntity, ClimateDevice):
+    """Representation of an Elk-M1 Thermostat."""
+
+    def __init__(self, element, elk, elk_data):
+        """Initialize climate entity."""
+        super().__init__(element, elk, elk_data)
+        self._state = None
+
+    @property
+    def supported_features(self):
+        """Return the list of supported features."""
+        return (SUPPORT_OPERATION_MODE | SUPPORT_FAN_MODE | SUPPORT_AUX_HEAT
+                | SUPPORT_TARGET_TEMPERATURE_HIGH
+                | SUPPORT_TARGET_TEMPERATURE_LOW)
+
+    @property
+    def temperature_unit(self):
+        """Return the temperature unit."""
+        return self._temperature_unit
+
+    @property
+    def current_temperature(self):
+        """Return the current temperature."""
+        return self._element.current_temp
+
+    @property
+    def target_temperature(self):
+        """Return the temperature we are trying to reach."""
+        from elkm1_lib.const import ThermostatMode
+        if (self._element.mode == ThermostatMode.HEAT.value) or (
+                self._element.mode == ThermostatMode.EMERGENCY_HEAT.value):
+            return self._element.heat_setpoint
+        if self._element.mode == ThermostatMode.COOL.value:
+            return self._element.cool_setpoint
+        return None
+
+    @property
+    def target_temperature_high(self):
+        """Return the high target temperature."""
+        return self._element.cool_setpoint
+
+    @property
+    def target_temperature_low(self):
+        """Return the low target temperature."""
+        return self._element.heat_setpoint
+
+    @property
+    def target_temperature_step(self):
+        """Return the supported step of target temperature."""
+        return 1
+
+    @property
+    def current_humidity(self):
+        """Return the current humidity."""
+        return self._element.humidity
+
+    @property
+    def current_operation(self):
+        """Return current operation ie. heat, cool, idle."""
+        return self._state
+
+    @property
+    def operation_list(self):
+        """Return the list of available operation modes."""
+        return [STATE_IDLE, STATE_HEAT, STATE_COOL, STATE_AUTO, STATE_FAN_ONLY]
+
+    @property
+    def precision(self):
+        """Return the precision of the system."""
+        return PRECISION_WHOLE
+
+    @property
+    def is_aux_heat_on(self):
+        """Return if aux heater is on."""
+        from elkm1_lib.const import ThermostatMode
+        return self._element.mode == ThermostatMode.EMERGENCY_HEAT.value
+
+    @property
+    def min_temp(self):
+        """Return the minimum temperature supported."""
+        return 1
+
+    @property
+    def max_temp(self):
+        """Return the maximum temperature supported."""
+        return 99
+
+    @property
+    def current_fan_mode(self):
+        """Return the fan setting."""
+        from elkm1_lib.const import ThermostatFan
+        if self._element.fan == ThermostatFan.AUTO.value:
+            return STATE_AUTO
+        if self._element.fan == ThermostatFan.ON.value:
+            return STATE_ON
+        return None
+
+    def _elk_set(self, mode, fan):
+        from elkm1_lib.const import ThermostatSetting
+        if mode is not None:
+            self._element.set(ThermostatSetting.MODE.value, mode)
+        if fan is not None:
+            self._element.set(ThermostatSetting.FAN.value, fan)
+
+    async def async_set_operation_mode(self, operation_mode):
+        """Set thermostat operation mode."""
+        from elkm1_lib.const import ThermostatFan, ThermostatMode
+        settings = {
+            STATE_IDLE: (ThermostatMode.OFF.value, ThermostatFan.AUTO.value),
+            STATE_HEAT: (ThermostatMode.HEAT.value, None),
+            STATE_COOL: (ThermostatMode.COOL.value, None),
+            STATE_AUTO: (ThermostatMode.AUTO.value, None),
+            STATE_FAN_ONLY: (ThermostatMode.OFF.value, ThermostatFan.ON.value)
+        }
+        self._elk_set(settings[operation_mode][0], settings[operation_mode][1])
+
+    async def async_turn_aux_heat_on(self):
+        """Turn auxiliary heater on."""
+        from elkm1_lib.const import ThermostatMode
+        self._elk_set(ThermostatMode.EMERGENCY_HEAT.value, None)
+
+    async def async_turn_aux_heat_off(self):
+        """Turn auxiliary heater off."""
+        from elkm1_lib.const import ThermostatMode
+        self._elk_set(ThermostatMode.HEAT.value, None)
+
+    @property
+    def fan_list(self):
+        """Return the list of available fan modes."""
+        return [STATE_AUTO, STATE_ON]
+
+    async def async_set_fan_mode(self, fan_mode):
+        """Set new target fan mode."""
+        from elkm1_lib.const import ThermostatFan
+        if fan_mode == STATE_AUTO:
+            self._elk_set(None, ThermostatFan.AUTO.value)
+        elif fan_mode == STATE_ON:
+            self._elk_set(None, ThermostatFan.ON.value)
+
+    async def async_set_temperature(self, **kwargs):
+        """Set new target temperature."""
+        from elkm1_lib.const import ThermostatSetting
+        low_temp = kwargs.get(ATTR_TARGET_TEMP_LOW)
+        high_temp = kwargs.get(ATTR_TARGET_TEMP_HIGH)
+        if low_temp is not None:
+            self._element.set(
+                ThermostatSetting.HEAT_SETPOINT.value, round(low_temp))
+        if high_temp is not None:
+            self._element.set(
+                ThermostatSetting.COOL_SETPOINT.value, round(high_temp))
+
+    def _element_changed(self, element, changeset):
+        from elkm1_lib.const import ThermostatFan, ThermostatMode
+        mode_to_state = {
+            ThermostatMode.OFF.value: STATE_IDLE,
+            ThermostatMode.COOL.value: STATE_COOL,
+            ThermostatMode.HEAT.value: STATE_HEAT,
+            ThermostatMode.EMERGENCY_HEAT.value: STATE_HEAT,
+            ThermostatMode.AUTO.value: STATE_AUTO,
+        }
+        self._state = mode_to_state.get(self._element.mode)
+        if self._state == STATE_IDLE and \
+                self._element.fan == ThermostatFan.ON.value:
+            self._state = STATE_FAN_ONLY

homeassistant/components/elkm1/__init__.py

@@ -35,8 +35,8 @@
 
 _LOGGER = logging.getLogger(__name__)
 
-SUPPORTED_DOMAINS = ['alarm_control_panel', 'light', 'scene', 'sensor',
-                     'switch']
+SUPPORTED_DOMAINS = ['alarm_control_panel', 'climate', 'light', 'scene',
+                     'sensor', 'switch']
 
 SPEAK_SERVICE_SCHEMA = vol.Schema({
     vol.Required('number'):