common/emgauwa-controller/src/driver.rs

use serde::{Deserialize, Deserializer};

#[derive(Debug, Clone, Copy)]
pub enum Driver {
	Gpio,
	Piface,
}

impl<'de> Deserialize<'de> for Driver {
	fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
	where
		D: Deserializer<'de>,
	{
		match String::deserialize(deserializer)?.as_str() {
			"gpio" => Ok(Driver::Gpio),
			"piface" => Ok(Driver::Piface),
			_ => Err(serde::de::Error::custom("invalid driver")),
		}
	}
}