From 0c9571f290d2e96f9285dd812e26bd9817380185 Mon Sep 17 00:00:00 2001
From: Robin Mueller <robin.mueller.m@gmail.com>
Date: Sat, 15 Oct 2022 20:51:21 +0200
Subject: [PATCH] impl EcssEnumeration for Event

---
 fsrc-core/src/events.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/fsrc-core/src/events.rs b/fsrc-core/src/events.rs
index be351b9..9df64fb 100644
--- a/fsrc-core/src/events.rs
+++ b/fsrc-core/src/events.rs
@@ -1,5 +1,8 @@
 //! Event support module
 
+use spacepackets::{ByteConversionError, SizeMissmatch};
+use spacepackets::ecss::EcssEnumeration;
+
 pub type GroupId = u16;
 pub type UniqueId = u16;
 pub type EventRaw = u32;
@@ -91,6 +94,22 @@ impl TryFrom<EventRaw> for Event {
     }
 }
 
+impl EcssEnumeration for Event {
+    fn pfc(&self) -> u8 {
+       32
+    }
+
+    fn write_to_bytes(&self, buf: &mut [u8]) -> Result<(), ByteConversionError> {
+        if buf.len() < self.byte_width() {
+            return Err(ByteConversionError::ToSliceTooSmall(SizeMissmatch {
+                found: buf.len(),
+                expected: self.byte_width()
+            }))
+        }
+        Ok(buf.copy_from_slice(self.raw().to_be_bytes().as_slice()))
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::Event;