gumstix utils: add char-driver, gpio-event, i2c and microwindows

1 files changed, 54 insertions, 0 deletions

diff --git a/packages/i2c/files/Crc8.h b/packages/i2c/files/Crc8.h
new file mode 100644
index 0000000000..2d1f74b82c
--- /dev/null
+++ b/packages/i2c/files/Crc8.h
@@ -0,0 +1,54 @@
+/****************************************************************************
+*
+*   Copyright (c) 2006 Dave Hylands     <dhylands@gmail.com>
+*
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License version 2 as
+*   published by the Free Software Foundation.
+*
+*   Alternatively, this software may be distributed under the terms of BSD
+*   license.
+*
+*   See README and COPYING for more details.
+*
+****************************************************************************/
+/**
+*
+*   @file   Crc8.h
+*
+*   @brief  This file contains the definition of the CRC-8 algorithim
+*           used by SMBus
+*
+****************************************************************************/
+
+#if !defined( CRC8_H )
+#define CRC_H                   ///< Include Guard
+
+/* ---- Include Files ----------------------------------------------------- */
+
+#include <inttypes.h>
+
+#if defined( __cplusplus )
+extern "C"
+{
+#endif
+
+
+/* ---- Constants and Types ---------------------------------------------- */
+/* ---- Variable Externs ------------------------------------------------- */
+/* ---- Function Prototypes ---------------------------------------------- */
+
+uint8_t Crc8( uint8_t crc, uint8_t data );
+
+uint8_t Crc8Block( uint8_t crc, uint8_t *data, uint8_t len );
+
+
+#if defined( __cplusplus )
+}
+#endif
+
+
+/** @} */
+
+#endif // CRC8_H
+