From e5fd6673b12eb551e278481378126d653ffcd575 Mon Sep 17 00:00:00 2001
From: LiaoXiang <yy123xiang@163.com>
Date: Fri, 14 Apr 2023 15:14:04 +0800
Subject: [PATCH] Flush input buffer

---
 umodbus/client/serial/rtu.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/umodbus/client/serial/rtu.py b/umodbus/client/serial/rtu.py
index 4c01580..383b895 100644
--- a/umodbus/client/serial/rtu.py
+++ b/umodbus/client/serial/rtu.py
@@ -211,6 +211,7 @@ def send_message(adu, serial_port):
     """
     serial_port.write(adu)
     serial_port.flush()
+    serial_port.reset_input_buffer()
 
     # Check exception ADU (which is shorter than all other responses) first.
     exception_adu_size = 5