feat(driver-kasa): support color temperature

driver/kasa/src/impl_protocol.rs

@@ -1,14 +1,14 @@
 use std::convert::Infallible;
 
 use palette::{encoding::Srgb, Hsv, IntoColor};
-use protocol::light::{GetState, Kelvin, SetState, TurnToColor, TurnToTemperature};
+use protocol::light::{GetState, SetState, TurnToColor, TurnToTemperature};
 use snafu::{ResultExt, Snafu};
 
 use crate::{
     connection::{HandleError, LB130USHandle},
     messages::{
-        Angle, Hsb, LightState, Off, On, Percentage, SetLightHsv, SetLightLastOn, SetLightOff,
+        Angle, Hsb, LightState, Off, On, Percentage, SetLightHsv, SetLightKelvin, SetLightLastOn,
-        SetLightStateArgs, SetLightTo,
+        SetLightOff, SetLightStateArgs, SetLightTo,
     },
 };
 
@@ -64,11 +64,33 @@ impl SetState for LB130USHandle {
     }
 }
 
-impl TurnToTemperature for LB130USHandle {
+#[derive(Debug, Snafu)]
-    type Error = Infallible; // TODO
+#[snafu(module)]
+pub enum TurnToTemperatureError {
+    HandleError { source: HandleError },
+}
 
-    async fn turn_to_temperature(&mut self, temperature: Kelvin) -> Result<(), Self::Error> {
+impl TurnToTemperature for LB130USHandle {
-        todo!()
+    type Error = TurnToTemperatureError;
+
+    async fn turn_to_temperature(
+        &mut self,
+        temperature: protocol::light::Kelvin,
+    ) -> Result<(), Self::Error> {
+        // TODO: re-evaluate saturating
+        let color_temp = crate::messages::Kelvin::new_saturating(temperature.get());
+
+        self.set_light_state(SetLightStateArgs {
+            to: SetLightTo::Kelvin(SetLightKelvin {
+                on_off: On,
+                color_temp,
+            }),
+            transition: None,
+        })
+        .await
+        .context(turn_to_temperature_error::HandleSnafu)?;
+
+        Ok(())
     }
 }
 

driver/kasa/src/messages.rs

@@ -388,13 +388,19 @@ pub struct SetLightHsv {
     pub hsb: Hsb,
 }
 
+#[derive(Debug, Clone, Serialize)]
+pub struct SetLightKelvin {
+    pub on_off: On,
+    pub color_temp: Kelvin,
+}
+
 #[derive(Debug, Clone, Serialize)]
 #[serde(untagged)]
 pub enum SetLightTo {
     Off(SetLightOff),
     LastOn(SetLightLastOn),
     Hsv(SetLightHsv),
-    // TODO: kelvin
+    Kelvin(SetLightKelvin),
 }
 
 #[derive(Debug, Clone, derive_more::From)]