Move relay drivers from common to controller

src/drivers/gpio.rs

@@ -0,0 +1,31 @@
+use rppal::gpio::{Gpio, OutputPin};
+
+use crate::drivers::RelayDriver;
+use crate::errors::EmgauwaControllerError;
+
+pub struct GpioDriver {
+	pub gpio: OutputPin,
+	pub inverted: bool,
+}
+
+impl GpioDriver {
+	pub fn new(pin: u8, inverted: bool) -> Result<Self, EmgauwaControllerError> {
+		let gpio = Gpio::new()?.get(pin)?.into_output();
+		Ok(Self { gpio, inverted })
+	}
+}
+
+impl RelayDriver for GpioDriver {
+	fn set(&mut self, value: bool) -> Result<(), EmgauwaControllerError> {
+		if self.get_high(value) {
+			self.gpio.set_high();
+		} else {
+			self.gpio.set_low();
+		}
+		Ok(())
+	}
+
+	fn get_inverted(&self) -> bool {
+		self.inverted
+	}
+}