Basic lerp function

src/main.rs

@@ -129,3 +129,8 @@ async fn set_servo_position(state: State) {
     // I2C control board manages servos
     info!("Setting position to {}", state.servo_positions());
 }
+
+#[inline]
+fn lerp(v0: f32, v1: f32, t: f32) -> f32 {
+    return (1. - t) * v0 + t * v1;
+}