From 159caf0229af2d1d04a096ad01f1b8557eea4a35 Mon Sep 17 00:00:00 2001
From: MarcoRBosco <marcorbosco@gmail.com>
Date: Thu, 5 Dec 2024 17:06:27 +0100
Subject: [PATCH] Added ReadExceptionStatus at PDU Response (#13)

---
 src/codec/mod.rs | 3 +++
 src/frame/mod.rs | 1 +
 src/lib.rs       | 4 +++-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/codec/mod.rs b/src/codec/mod.rs
index 179347c..475d427 100644
--- a/src/codec/mod.rs
+++ b/src/codec/mod.rs
@@ -314,6 +314,9 @@ impl<'r> Encode for Response<'r> {
                     buf[idx + 1] = *d;
                 }
             }
+            Self::ReadExceptionStatus(error_code) => {
+                buf[1] = *error_code;
+            }
             #[cfg(feature = "rtu")]
             _ => {
                 // TODO:
diff --git a/src/frame/mod.rs b/src/frame/mod.rs
index b6df4ae..985c854 100644
--- a/src/frame/mod.rs
+++ b/src/frame/mod.rs
@@ -370,6 +370,7 @@ impl<'r> Response<'r> {
             | Self::ReadHoldingRegisters(words)
             | Self::ReadWriteMultipleRegisters(words) => 2 + words.len() * 2,
             Self::Custom(_, data) => 1 + data.len(),
+            Self::ReadExceptionStatus(_) => 2,
             #[cfg(feature = "rtu")]
             _ => unimplemented!(), // TODO
         }
diff --git a/src/lib.rs b/src/lib.rs
index 7548311..1f2abd6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,6 +20,8 @@ mod codec;
 mod error;
 mod frame;
 
-pub use codec::*;
+pub use codec::rtu;
+pub use codec::tcp;
 pub use error::*;
 pub use frame::*;
+