Add config option for custom fan speed step size. (#238)

* Add config option for change custom fan speed step size
* Use step size as minimum for fan speed

README.md

@@ -113,6 +113,7 @@ Name | Default | Description
 :--- | :--- | :--- 
 **Beep** | True | Enable beep on setting changes.
 **Temperature Step** | 1.0 | Step size for temperature set point.
+**Fan Speed Step** | 1 | Step size for custom fan speeds.
 **Use Fan-only Workaround** | False | Enable this option if device updates cause the device to turn on and switch to fan-only.
 **Show All Presets** | False | Show all presets regardless of device's reported capabilities.
 **Additional Operation Modes** | Empty | Additional HVAC modes to make available in case the device's capabilities are incorrect.

custom_components/midea_ac/config_flow.py

@@ -14,14 +14,16 @@
 from msmart.discover import Discover
 from msmart.lan import AuthenticationError
 
-from .const import (CONF_ADDITIONAL_OPERATION_MODES, CONF_BEEP, CONF_KEY,
+from .const import (CONF_ADDITIONAL_OPERATION_MODES, CONF_BEEP,
+ CONF_FAN_SPEED_STEP, CONF_KEY,
  CONF_MAX_CONNECTION_LIFETIME, CONF_SHOW_ALL_PRESETS,
  CONF_TEMP_STEP, CONF_USE_ALTERNATE_ENERGY_FORMAT,
  CONF_USE_FAN_ONLY_WORKAROUND, DOMAIN)
 
 _DEFAULT_OPTIONS = {
  CONF_BEEP: True,
  CONF_TEMP_STEP: 1.0,
+ CONF_FAN_SPEED_STEP: 1,
  CONF_USE_FAN_ONLY_WORKAROUND: False,
  CONF_SHOW_ALL_PRESETS: False,
  CONF_ADDITIONAL_OPERATION_MODES: None,
@@ -232,6 +234,8 @@ async def async_step_init(self, user_input=None) -> FlowResult:
  default=options.get(CONF_BEEP, True)): cv.boolean,
  vol.Optional(CONF_TEMP_STEP,
  default=options.get(CONF_TEMP_STEP, 1.0)): vol.All(vol.Coerce(float), vol.Range(min=0.5, max=5)),
+ vol.Optional(CONF_FAN_SPEED_STEP,
+ default=options.get(CONF_FAN_SPEED_STEP, 1)): vol.All(vol.Coerce(float), vol.Range(min=1, max=20)),
  vol.Optional(CONF_USE_FAN_ONLY_WORKAROUND,
  default=options.get(CONF_USE_FAN_ONLY_WORKAROUND, False)): cv.boolean,
  vol.Optional(CONF_SHOW_ALL_PRESETS,

custom_components/midea_ac/const.py

@@ -3,6 +3,7 @@
 CONF_KEY = "k1"
 CONF_BEEP = "prompt_tone"
 CONF_TEMP_STEP = "temp_step"
+CONF_FAN_SPEED_STEP = "fan_speed_step"
 CONF_USE_FAN_ONLY_WORKAROUND = "use_fan_only_workaround"
 CONF_ADDITIONAL_OPERATION_MODES = "additional_operation_modes"
 CONF_SHOW_ALL_PRESETS = "show_all_presets"

custom_components/midea_ac/number.py

@@ -10,7 +10,7 @@
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from msmart.device import AirConditioner as AC
 
-from .const import DOMAIN
+from .const import CONF_FAN_SPEED_STEP, DOMAIN
 from .coordinator import MideaCoordinatorEntity, MideaDeviceUpdateCoordinator
 
 _LOGGER = logging.getLogger(__name__)
@@ -30,17 +30,25 @@ async def async_setup_entry(
 
  # Create entity if supported
  if coordinator.device.supports_custom_fan_speed:
- add_entities([MideaFanSpeedNumber(coordinator)])
+ add_entities([MideaFanSpeedNumber(
+ coordinator,
+ config_entry.options.get(CONF_FAN_SPEED_STEP, 1)
+ )])
 
 
 class MideaFanSpeedNumber(MideaCoordinatorEntity, NumberEntity):
  """Fan speed number for Midea AC."""
 
  _attr_translation_key = "fan_speed"
 
- def __init__(self, coordinator: MideaDeviceUpdateCoordinator) -> None:
+ def __init__(self,
+ coordinator: MideaDeviceUpdateCoordinator,
+ step_size: float = 1
+ ) -> None:
  MideaCoordinatorEntity.__init__(self, coordinator)
 
+ self._step_size = step_size
+
  @property
  def device_info(self) -> dict:
  """Return info for device registry."""
@@ -75,7 +83,12 @@ def native_max_value(self) -> float:
 
  @property
  def native_min_value(self) -> float:
- return 1
+ # Use step size as minimum to ensure steps are nice and round
+ return self._step_size
+
+ @property
+ def native_step(self) -> float:
+ return self._step_size
 
  @property
  def native_value(self) -> float:

custom_components/midea_ac/translations/en.json

@@ -46,6 +46,7 @@
  "data": {
  "prompt_tone": "Enable Beep",
  "temp_step": "Temperature Step",
+ "fan_speed_step": "Fan Speed Step",
  "use_fan_only_workaround": "Use Fan-only Workaround",
  "show_all_presets": "Show All Presets",
  "additional_operation_modes": "Additional Operation Modes",
@@ -54,6 +55,7 @@
  },
  "data_description": {
  "temp_step": "Step size for temperature set point",
+ "fan_speed_step": "Step size for custom fan speeds",
  "additional_operation_modes": "Specify additional operational modes",
  "max_connection_lifetime": "Maximum time in seconds a connection will be used (30 second minimum)"
  }