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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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.
*
****************************************************************************/
#include "system.h"
#include "cs4398.h"
#include "config.h"
#include "audio.h"
#include "audiohw.h"
#include "i2c.h"
void cs4398_write_reg(uint8_t reg, uint8_t val)
{
unsigned char buf[2] = {reg, val};
i2c_write(CS4398_I2C_ADDR, (unsigned char *)&buf, 2);
}
uint8_t cs4398_read_reg(uint8_t reg)
{
unsigned char buf[2] = {reg, 0xff};
i2c_write(CS4398_I2C_ADDR, (unsigned char *)&buf[0], 1);
i2c_read(CS4398_I2C_ADDR, (unsigned char *)&buf[1], 1);
return buf[1];
}
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