From 5b038d28629472894c07f4efc604c992c9d8264d Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 22 Dec 2011 15:59:50 +0000
Subject: Add loopback support to STM32 CAN driver; Add apps/examples/can
 loopback test

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4213 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/Documentation/NuttxPortingGuide.html | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'nuttx/Documentation')

diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html
index f68dc3d79..f24517503 100644
--- a/nuttx/Documentation/NuttxPortingGuide.html
+++ b/nuttx/Documentation/NuttxPortingGuide.html
@@ -4376,6 +4376,11 @@ build
   <li>
     <code>CONFIG_CAN_NPENDINGRTR</code>: The size of the list of pending RTR requests.  Default: 4
   </li>
+  <li>
+    <code>CONFIG_CAN_LOOPBACK</code>: A CAN driver may or may not support a loopback mode for testing.
+    If the driver does support loopback mode, the setting will enable it.
+    (If the driver does not, this setting will have no effect).
+  </li>
 </ul>
 
 <h3>SPI driver</h3>
-- 
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