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diff --git a/components/tv-encoder/CH7024.h b/components/tv-encoder/CH7024.h
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+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+/// \unit
+///
+/// !!!Purpose
+///
+/// Interface for configuration the Chrontel TV Encoder.
+///
+/// !!!Usage
+///
+/// -# Configure pins
+/// -# Configure clock
+/// -# Initialize TV Encoder
+/// -# Reset
+/// -# Enable interrupt if needed
+/// -# Enable
+//------------------------------------------------------------------------------
+
+#ifndef CH7024_H
+#define CH7024_H
+
+//------------------------------------------------------------------------------
+//         Types
+//------------------------------------------------------------------------------
+/// define a structure for ch7024 register initialization values
+struct ch7024_reg
+{
+    /// Register to be written
+    unsigned char reg;
+    /// Value to be written in the register
+    unsigned char val;
+};
+
+//------------------------------------------------------------------------------
+//         Exported functions
+//------------------------------------------------------------------------------
+extern unsigned char ch7024_read_reg(Twid *pTwid, unsigned char reg, unsigned char *pData);
+extern unsigned char ch7024_write_reg(Twid *pTwid, unsigned char reg, unsigned char val);
+extern unsigned char ch7024_init(Twid *pTwid);
+extern void ch7024_configure(Twid *pTwid);
+extern void ch7024_DumpRegisters(Twid *pTwid);
+extern void ch7024_reset(Twid *pTwid);
+
+#endif //#ifndef CH7024_H
+