# HG changeset patch
# User Daniel O'Connor <darius@dons.net.au>
# Date 1313063413 -34200
# Node ID 6fe43d62c73bf05cb6491e614ff4f8624fff0029
# Parent  876d951bbcc099454828b895ec97cf17234e73d5
Add a wrapper around vxi_11_connection so it acts like the other classes.

diff -r 876d951bbcc0 -r 6fe43d62c73b vxi.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vxi.py	Thu Aug 11 21:20:13 2011 +0930
@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2011
+#      Daniel O'Connor <darius@dons.net.au>.  All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+
+# A wrapper to make vxi_11 behave more like we expect
+
+import exceptions
+import vxi_11
+
+class VXIDevice(object):
+    def __init__(self, host, device):
+        self.v = vxi_11.vxi_11_connection(host, device = device)
+
+    def flush(self, timeout = None):
+        pass
+    
+    def write(self, data):
+        err, base = self.v.write(data)
+        if err != 0:
+            raise exceptions.IOError("Error writing " + str(err))
+
+    def read(self, timeout = None):
+        if timeout != None:
+            timeout = int(timeout * 1000.0) # Convert to msec
+
+        err, reason, result = self.v.read(timeout)
+        if err != 0:
+            raise exceptions.IOError("Error reading %d, reason %d" % (err, reason))
+        return result