Add null driver

emgauwa-lib/src/drivers/mod.rs

@@ -1,8 +1,10 @@
 mod gpio;
+mod null;
 mod piface;
 
 pub use gpio::GpioDriver;
-pub use piface::PifaceDriver;
+pub use null::NullDriver;
+pub use piface::PiFaceDriver;
 
 use crate::errors::EmgauwaError;
 

emgauwa-lib/src/drivers/null.rs

@@ -0,0 +1,26 @@
+use crate::drivers::RelayDriver;
+use crate::errors::EmgauwaError;
+
+pub struct NullDriver {
+	pub pin: u8,
+}
+
+impl NullDriver {
+	pub fn new(pin: u8) -> Self {
+		Self { pin }
+	}
+}
+
+impl RelayDriver for NullDriver {
+	fn set(&mut self, _value: bool) -> Result<(), EmgauwaError> {
+		Ok(())
+	}
+
+	fn get_pin(&self) -> u8 {
+		self.pin
+	}
+
+	fn get_inverted(&self) -> bool {
+		false
+	}
+}

emgauwa-lib/src/drivers/piface.rs

@@ -5,11 +5,11 @@ use rppal_pfd::{
 use crate::drivers::RelayDriver;
 use crate::errors::EmgauwaError;
 
-pub struct PifaceDriver {
+pub struct PiFaceDriver {
 	pub pfd_pin: OutputPin,
 }
 
-impl PifaceDriver {
+impl PiFaceDriver {
 	pub fn new(pin: u8, pfd: &Option<PiFaceDigital>) -> Result<Self, EmgauwaError> {
 		let pfd = pfd.as_ref().ok_or(EmgauwaError::Hardware(String::from(
 			"PiFaceDigital not initialized",
@@ -32,7 +32,7 @@ impl PifaceDriver {
 	}
 }
 
-impl RelayDriver for PifaceDriver {
+impl RelayDriver for PiFaceDriver {
 	fn set(&mut self, value: bool) -> Result<(), EmgauwaError> {
 		if self.get_high(value) {
 			self.pfd_pin.set_high().map_err(PiFaceDigitalError::from)?;