rockbox/firmware/drivers/i2c.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef I2C_H
#define I2C_H
extern void i2c_init(void);
extern void i2c_begin(void);
extern void i2c_end(void);
extern int i2c_write(int device, unsigned char* buf, int count );
extern int i2c_read(int device, unsigned char* buf, int count );
extern int i2c_readmem(int device, int address, unsigned char* buf, int count );
extern void i2c_outb(unsigned char byte);
extern unsigned char i2c_inb(int ack);
extern void i2c_start(void);
extern void i2c_stop(void);
extern void i2c_ack(int bit);
extern int i2c_getack(void);
#endif