From a2d35c4e1c47e8025ea9ab2bfff7b2f7af653c9d Mon Sep 17 00:00:00 2001
From: YuhanLiin <linyuhan0315@hotmail.com>
Date: Sat, 4 Jan 2020 01:12:58 -0500
Subject: [PATCH] Add CapturePin trait
---
src/lib.rs | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/src/lib.rs b/src/lib.rs
index 13c0d8bd7..282ce36a0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -795,6 +795,26 @@ pub trait Capture {
R: Into<Self::Time>;
}
+/// A single input capture channel / pin
+///
+/// See `Capture` for details
+#[cfg(feature = "unproven")]
+pub trait CapturePin {
+ /// Type of value returned by capture
+ type Capture;
+ /// Enumeration of `Capture` errors
+ ///
+ /// Possible errors:
+ ///
+ /// - *overcapture*, the previous capture value was overwritten because it
+ /// was not read in a timely manner
+ type Error;
+
+ /// "Waits" for a transition in the capture `channel` and returns the value
+ /// of counter at that instant
+ fn capture(&mut self) -> nb::Result<Self::Capture, Self::Error>;
+}
+
/// Pulse Width Modulation
///
/// *This trait is available if embedded-hal is built with the `"unproven"` feature.*