Show active sensor

sensor-plot/src/main.rs

@@ -74,7 +74,7 @@ impl Sensor {
         Sensor::Temperature
     }
 
-    pub fn left(self) -> Self {
+    pub fn right(self) -> Self {
         match self {
             Self::Temperature => Self::Humidity,
             Self::Humidity => Self::Pressure,
@@ -83,7 +83,7 @@ impl Sensor {
         }
     }
 
-    pub fn right(self) -> Self {
+    pub fn left(self) -> Self {
         match self {
             Self::Temperature => Self::GasResistance,
             Self::Humidity => Self::Temperature,
@@ -117,6 +117,13 @@ fn main() {
         }
         old_b = b;
 
+        let unit: &[u8] = match sensor {
+            Sensor::Temperature => b"T\0",
+            Sensor::Humidity => b"RH\0",
+            Sensor::Pressure => b"P\0",
+            Sensor::GasResistance => b"R\0",
+        };
+
         let sample = environment_sensors.read().map_or(0, |v| match sensor {
             Sensor::Temperature => (v.temperature * 1000.0) as i32,
             Sensor::Humidity => (v.humidity * 1000.0) as i32,
@@ -126,6 +133,7 @@ fn main() {
         plot_buffer.add_sample(sample);
 
         display.clear(Color::black());
+        display.print(0, 0, unit, Color::white(), Color::black());
         plot_buffer.plot(&display);
         display.update();
     }