iAudio X5: Enable reading of DS2411 serial number. See it under System|Debug|View HW info.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12723 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 48 insertions, 0 deletions

diff --git a/firmware/export/ds2411.h b/firmware/export/ds2411.h
new file mode 100644
index 0000000..c55579c
--- /dev/null
+++ b/firmware/export/ds2411.h
@@ -0,0 +1,48 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2007 by Michael Sevakis
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _DS2411_H_
+#define _DS2411_H_
+
+#include <stdbool.h>
+
+/*
+ * Byte 0:    8-bit family code (always 01h)
+ * Bytes 1-6: 48-bit serial number
+ * Byte 7:    8-bit CRC code
+ */
+struct ds2411_id
+{
+    unsigned char family_code;
+    unsigned char uid[6];
+    unsigned char crc;
+} __attribute__((packed));
+
+extern int ds2411_read_id(struct ds2411_id *id);
+
+/* return values */
+enum ds2411_id_return_codes
+{
+    DS2411_NO_PRESENCE = -3,
+    DS2411_INVALID_FAMILY_CODE,
+    DS2411_INVALID_CRC,
+    DS2411_OK = 0,
+};
+
+#endif /* _DS2411_H_ */