kaptan-actuator: improve config abstractions

Signed-off-by: Onur Özkan <work@onurozkan.dev>

libs/kaptan-actuator/src/lib.rs

@@ -3,10 +3,30 @@
 #![no_std]
 
 pub mod dshot;
-mod protocol;
 pub mod pwm;
 
-pub use protocol::{ArmingDuration, DshotConfig, MotorProtocol, PwmConfig};
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub struct ArmingDuration(u16);
+
+impl ArmingDuration {
+    pub const fn from_millis(milliseconds: u16) -> Option<Self> {
+        if milliseconds != 0 && milliseconds <= 8_000 {
+            Some(Self(milliseconds))
+        } else {
+            None
+        }
+    }
+
+    pub const fn milliseconds(self) -> u16 {
+        self.0
+    }
+}
+
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub enum MotorProtocol {
+    Pwm(pwm::Config),
+    Dshot(dshot::Config),
+}
 
 /// Flight-control and MAVLink boundary for motor outputs.
 pub trait MotorOutput {