/* ---------------------------------------------------------------------------- * 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