From c5fe0c0fc6d6e7f21e9bcf8aa3ea03f7938aaba1 Mon Sep 17 00:00:00 2001
From: cliechti <cliechti@f19166aa-fa4f-0410-85c2-fa1106f25c8a>
Date: Wed, 28 Dec 2011 20:54:30 +0000
Subject: add setBufferSize function (platform specific)

git-svn-id: http://svn.code.sf.net/p/pyserial/code/trunk/pyserial@442 f19166aa-fa4f-0410-85c2-fa1106f25c8a
---
 serial/serialwin32.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/serial/serialwin32.py b/serial/serialwin32.py
index 260096f..bb1a15f 100644
--- a/serial/serialwin32.py
+++ b/serial/serialwin32.py
@@ -347,6 +347,14 @@ class Win32Serial(SerialBase):
 
     # - - platform specific - - - -
 
+    def setBufferSize(self, rx_size=4096, tx_size=None):
+        """\
+        Recommend a buffer size to the driver (device driver can ignore this
+        vlaue). Must be called before the port is opended.
+        """
+        if tx_size is None: tx_size = rx_size
+        win32.SetupComm(self.hComPort, rx_size, tx_size)
+
     def setXON(self, level=True):
         """Platform specific - set flow state."""
         if not self.hComPort: raise portNotOpenError
-- 
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