feat: add generic SensorReading

Author: dancixx

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "embedded-dht-rs"
-version = "0.1.1"
+version = "0.2.0"
 edition = "2021"
 license = "Apache-2.0"
 description = "A platform agnostic driver to interface with the DHT11/DHT22 (AM2302) temperature and humidity sensor"

Cargo.toml

@@ -16,7 +16,7 @@ impl<P: InputPin + OutputPin, D: DelayNs> Dht11<P, D> {
         }
     }
 
-    pub fn read(&mut self) -> Result<SensorReading, SensorError> {
+    pub fn read(&mut self) -> Result<SensorReading<u8>, SensorError> {
         // Start communication: pull pin low for 18ms, then release.
         let _ = self.dht.pin.set_low();
         self.dht.delay.delay_ms(18);
@@ -46,8 +46,8 @@ impl<P: InputPin + OutputPin, D: DelayNs> Dht11<P, D> {
         }
 
         Ok(SensorReading {
-            humidity: humidity_integer as f32,
-            temperature: temperature_integer as f32,
+            humidity: humidity_integer,
+            temperature: temperature_integer,
         })
     }
 }

src/dht11.rs

@@ -16,7 +16,7 @@ impl<P: InputPin + OutputPin, D: DelayNs> Dht22<P, D> {
         }
     }
 
-    pub fn read(&mut self) -> Result<SensorReading, SensorError> {
+    pub fn read(&mut self) -> Result<SensorReading<f32>, SensorError> {
         // Start communication: pull pin low for 18ms, then release.
         let _ = self.dht.pin.set_low();
         self.dht.delay.delay_ms(18);
@@ -52,8 +52,8 @@ impl<P: InputPin + OutputPin, D: DelayNs> Dht22<P, D> {
         let temperatue_percentage = temperature_value as f32 / 10.0;
 
         Ok(SensorReading {
-            humidity: humidity_percentage as f32,
-            temperature: temperatue_percentage as f32,
+            humidity: humidity_percentage,
+            temperature: temperatue_percentage,
         })
     }
 }

src/dht22.rs

@@ -5,9 +5,9 @@ pub mod dht11;
 pub mod dht22;
 
 /// Represents a reading from the sensor.
-pub struct SensorReading {
-    pub humidity: f32,
-    pub temperature: f32,
+pub struct SensorReading<T> {
+    pub humidity: T,
+    pub temperature: T,
 }
 
 /// Possible errors when interacting with the sensor.