From f265a6a1530854cdc98487b20c0564c5fef00a07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Max=20K=C3=A4nner?= <max.kaenner@gmail.com>
Date: Tue, 2 Jan 2024 18:43:45 +0100
Subject: [PATCH] implement sync write

---
 src/instruction.rs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/instruction.rs b/src/instruction.rs
index eaffe20..1a8777e 100644
--- a/src/instruction.rs
+++ b/src/instruction.rs
@@ -192,11 +192,12 @@ impl<'a> Instruction<'a> {
                 buffer[4..4 + ids.len()].copy_from_slice(ids);
                 Ok(4 + u16::try_from(ids.len()).map_err(|_| Error::Unknown)?)
             }
-            SyncWrite {
-                addr: _,
-                len: _,
-                data: _,
-            } => unimplemented!(),
+            SyncWrite { addr, len, data } if buffer.len() >= 4 + data.len() => {
+                buffer[..2].copy_from_slice(&addr.to_le_bytes());
+                buffer[2..4].copy_from_slice(&len.to_le_bytes());
+                buffer[4..4 + data.len()].copy_from_slice(data);
+                Ok(4 + u16::try_from(data.len()).map_err(|_| Error::Unknown)?)
+            }
             BulkRead { data: _ } => unimplemented!(),
             BulkWrite { data: _ } => unimplemented!(),
             FastBulkRead { data: _ } => unimplemented!(),