Add drivers for gpio and piface

emgauwa-lib/src/errors/emgauwa_error.rs

@@ -6,6 +6,9 @@ use actix::MailboxError;
 use actix_web::http::StatusCode;
 use actix_web::HttpResponse;
 use config::ConfigError;
+use rppal::gpio;
+use rppal_mcp23s17::Mcp23s17Error;
+use rppal_pfd::PiFaceDigitalError;
 use serde::ser::SerializeStruct;
 use serde::{Serialize, Serializer};
 
@@ -21,6 +24,7 @@ pub enum EmgauwaError {
 	Other(String),
 	Internal(String),
 	Connection(ControllerUid),
+	Hardware(String),
 }
 
 impl EmgauwaError {
@@ -33,6 +37,7 @@ impl EmgauwaError {
 			EmgauwaError::Internal(_) => StatusCode::INTERNAL_SERVER_ERROR,
 			EmgauwaError::Connection(_) => StatusCode::GATEWAY_TIMEOUT,
 			EmgauwaError::Other(_) => StatusCode::INTERNAL_SERVER_ERROR,
+			EmgauwaError::Hardware(_) => StatusCode::INTERNAL_SERVER_ERROR,
 		}
 	}
 }
@@ -47,6 +52,7 @@ impl From<&EmgauwaError> for String {
 			EmgauwaError::Internal(_) => String::from("internal error"),
 			EmgauwaError::Connection(_) => String::from("the target controller is not connected"),
 			EmgauwaError::Other(err) => format!("other error: {}", err),
+			EmgauwaError::Hardware(err) => format!("hardware error: {}", err),
 		}
 	}
 }
@@ -93,6 +99,25 @@ impl From<ConfigError> for EmgauwaError {
 	}
 }
 
+impl From<gpio::Error> for EmgauwaError {
+	fn from(value: gpio::Error) -> Self {
+		Self::Hardware(value.to_string())
+	}
+}
+
+impl From<PiFaceDigitalError> for EmgauwaError {
+	fn from(value: PiFaceDigitalError) -> Self {
+		match value {
+			PiFaceDigitalError::Mcp23s17Error { source } => match source {
+				Mcp23s17Error::SpiError { source } => Self::Hardware(source.to_string()),
+				_ => Self::Hardware(source.to_string()),
+			},
+			PiFaceDigitalError::GpioError { source } => Self::Hardware(source.to_string()),
+			_ => Self::Hardware(value.to_string()),
+		}
+	}
+}
+
 impl From<&EmgauwaError> for HttpResponse {
 	fn from(err: &EmgauwaError) -> Self {
 		HttpResponse::build(err.get_code()).json(err)