2008-05-02 19:12:09 +00:00
|
|
|
/***************************************************************************
|
|
|
|
|
* __________ __ ___.
|
|
|
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
|
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
|
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
|
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
|
|
|
* \/ \/ \/ \/ \/
|
|
|
|
|
* $Id$
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2008 by Rob Purchase
|
|
|
|
|
*
|
2008-06-28 18:10:04 +00:00
|
|
|
* 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.
|
2008-05-02 19:12:09 +00:00
|
|
|
*
|
|
|
|
|
* 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 */
|
