From ce085ce88cda05a2233ba7d46c185569d134ddd4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Manuel=20D=C3=ADez?=
 <jose.manuel.diez@gmail.com>
Date: Sat, 13 Jan 2018 20:10:11 +0000
Subject: [PATCH] Problem: hardware flow control uses RTS_CONTROL_TOGGLE (#132)

RTS_CONTROL_HANDSHAKE raises RTS when there is space in the input
buffer; RTS_CONTROL_TOGGLE only raises RTS when bytes are available for
transmission.

Also replace numeric constants with symbolic constants.
---
 src/impl/win.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/impl/win.cc b/src/impl/win.cc
index 3446160..c807ea2 100644
--- a/src/impl/win.cc
+++ b/src/impl/win.cc
@@ -239,19 +239,19 @@ Serial::SerialImpl::reconfigurePort ()
   // setup flowcontrol
   if (flowcontrol_ == flowcontrol_none) {
     dcbSerialParams.fOutxCtsFlow = false;
-    dcbSerialParams.fRtsControl = 0x00;
+    dcbSerialParams.fRtsControl = RTS_CONTROL_DISABLE;
     dcbSerialParams.fOutX = false;
     dcbSerialParams.fInX = false;
   }
   if (flowcontrol_ == flowcontrol_software) {
     dcbSerialParams.fOutxCtsFlow = false;
-    dcbSerialParams.fRtsControl = 0x00;
+    dcbSerialParams.fRtsControl = RTS_CONTROL_DISABLE;
     dcbSerialParams.fOutX = true;
     dcbSerialParams.fInX = true;
   }
   if (flowcontrol_ == flowcontrol_hardware) {
     dcbSerialParams.fOutxCtsFlow = true;
-    dcbSerialParams.fRtsControl = 0x03;
+    dcbSerialParams.fRtsControl = RTS_CONTROL_HANDSHAKE;
     dcbSerialParams.fOutX = false;
     dcbSerialParams.fInX = false;
   }