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diff --git a/recipes/i2c/files/i2c-api.h b/recipes/i2c/files/i2c-api.h
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+/****************************************************************************
+*
+*   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   i2c-api.h
+*
+*   @brief  This file contains definitions for performing i2c operations 
+*           on the gumstix.
+*
+****************************************************************************/
+
+#if !defined( I2C_API_H )
+#define I2C_API_H
+
+// ---- Include Files -------------------------------------------------------
+
+#include <inttypes.h>
+#include "i2c.h"
+
+// ---- Constants and Types -------------------------------------------------
+
+#define I2C_USE_CRC 1
+#define I2C_NO_CRC  0
+
+// ---- Variable Externs ----------------------------------------------------
+
+// ---- Function Prototypes -------------------------------------------------
+
+void I2cSetSlaveAddress
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    I2C_Addr_t  i2cAddr,    ///< 7 bit i2c address to use
+    int         useCrc );   ///< Should CRC's be used?
+
+int I2cTransfer
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    const void *wrData,     ///< Data to write
+    uint8_t     wrLen,      ///< Number of bytes to write (or in 0x80 for a block write)
+    void       *rdData,     ///< Place to store data read
+    uint8_t     rdLen,      ///< Number of bytes to read  (or in 0x80 for a block read)
+    uint8_t    *bytesReadp  ///< Place to store number of bytes read 
+);
+
+int I2cProcessBlock
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    const void *wrData,     ///< Data to write
+    uint8_t     wrLen,      ///< Number of bytes to write
+    void       *rdData,     ///< Place to store data read
+    uint8_t     rdLen,      ///< Number of bytes to read
+    uint8_t    *bytesReadp  ///< Place to store number of bytes read 
+);
+
+int I2cReadBlock
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    void       *rdData,     ///< Place to store data read
+    uint8_t     rdLen,      ///< Number of bytes to read
+    uint8_t    *bytesReadp  ///< Place to store number of bytes read 
+);
+
+int I2cReadByte
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    uint8_t    *rdByte      ///< Place to store byte to read
+);
+
+int I2cReadBytes
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    void       *rdByte,     ///< Place to store bytes read
+    uint8_t     rdLen       ///< Number of bytes to read
+);
+
+int I2cWriteBlock
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    const void *wrData,     ///< Data to write
+    uint8_t     wrLen       ///< Number of bytes to write
+);
+
+int I2cWriteByte
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    uint8_t     wrByte      ///< Byte to write
+);
+
+int I2cWriteBytes
+(
+    int         i2cDev,     ///< Handle to i2c-dev file
+    uint8_t     cmd,        ///< Command to send
+    const void *wrByte,     ///< Bytes to write
+    uint8_t     wrLen       ///< Number of bytes to write
+);
+
+int I2cReceiveByte
+(
+    int      i2cDev,        ///< Handle to i2c-dev file
+    uint8_t *rdByte         ///< Place to store byte read
+);
+
+int I2cReceiveBytes
+(
+    int      i2cDev,        ///< Handle to i2c-dev file
+    uint8_t *rdData,        ///< Place to store byte read
+    uint8_t  rdLen          ///< Number of bytes to read
+);
+
+int I2cSendByte
+(
+    int      i2cDev,        ///< Handle to i2c-dev file
+    uint8_t  wrByte         ///< Byte to write
+);
+
+int I2cSendBytes
+(
+    int      i2cDev,        ///< Handle to i2c-dev file
+    uint8_t *wrData,        ///< Pointer to data to write.
+    uint8_t  wrLen          ///< Number of bytes to write.
+);
+
+#endif  // I2C_API_H
+