rockbox/firmware/target/arm/olympus/mrobe-500/adc-mr500.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2007 by Karl Kurbjun
*
* 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.
*
****************************************************************************/
#include "cpu.h"
#include "adc-target.h"
#include "kernel.h"
/* prototypes */
static void adc_tick(void);
void adc_init(void)
{
/* attach the adc reading to the tick */
tick_add_task(adc_tick);
}
/* Called to get the recent ADC reading */
inline unsigned short adc_read(int channel)
{
return (short)channel;
}
/* add this to the tick so that the ADC converts are done in the background */
static void adc_tick(void)
{
}