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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Rob Purchase
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef I2C_TARGET_H
#define I2C_TARGET_H
/* Definitions for the TCC77X I2C bus */
#define SDA_BIT (1<<10)
#define SCL_BIT (1<<11)
#define SCL (GPIOB & SCL_BIT)
#define SCL_HI GPIOB |= SCL_BIT
#define SCL_LO GPIOB &= ~SCL_BIT
#define SDA (GPIOB & SDA_BIT)
#define SDA_HI GPIOB |= SDA_BIT
#define SDA_LO GPIOB &= ~SDA_BIT
#define SDA_INPUT GPIOB_DIR &= ~SDA_BIT
#define SDA_OUTPUT GPIOB_DIR |= SDA_BIT
#endif /* I2C_TARGET_H */
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