From 02654f03eb1a2342d3fdd513bd2c95108434be42 Mon Sep 17 00:00:00 2001
From: "Mr.Chip" <mrchip.zxf@outlook.com>
Date: Wed, 21 Aug 2024 13:20:06 +0800
Subject: [PATCH] Fix: only set timeout for handle instead of reconfiguring the
 com port

---
 src/impl/win.cc | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/impl/win.cc b/src/impl/win.cc
index e9fd21c..17b0ca6 100644
--- a/src/impl/win.cc
+++ b/src/impl/win.cc
@@ -427,7 +427,17 @@ Serial::SerialImpl::setTimeout (serial::Timeout &timeout)
 {
   timeout_ = timeout;
   if (is_open_) {
-    reconfigurePort ();
+    //reconfigurePort ();
+    // Setup timeouts
+    COMMTIMEOUTS timeouts = { 0 };
+    timeouts.ReadIntervalTimeout = timeout_.inter_byte_timeout;
+    timeouts.ReadTotalTimeoutConstant = timeout_.read_timeout_constant;
+    timeouts.ReadTotalTimeoutMultiplier = timeout_.read_timeout_multiplier;
+    timeouts.WriteTotalTimeoutConstant = timeout_.write_timeout_constant;
+    timeouts.WriteTotalTimeoutMultiplier = timeout_.write_timeout_multiplier;
+    if (!SetCommTimeouts(fd_, &timeouts)) {
+        THROW(IOException, "Error setting timeouts.");
+    }
   }
 }