2584896920
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6105 a1c6a512-1295-4272-9138-f99709370657
80 lines
3 KiB
C
80 lines
3 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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 _ADC_H_
|
|
#define _ADC_H_
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef IRIVER_H100
|
|
#define NUM_ADC_CHANNELS 4
|
|
|
|
#define ADC_BUTTONS 0
|
|
#define ADC_REMOTE 1
|
|
#define ADC_BATTERY 2
|
|
#define ADC_UNREG_POWER ADC_BATTERY /* For compatibility */
|
|
|
|
#else
|
|
#define NUM_ADC_CHANNELS 8
|
|
|
|
#ifdef HAVE_ONDIO_ADC
|
|
|
|
#define ADC_MMC_SWITCH 0 /* low values if MMC inserted */
|
|
#define ADC_USB_POWER 1 /* USB, reads 0x000 when USB is inserted */
|
|
#define ADC_BUTTON_OPTION 2 /* the option button, low value if pressed */
|
|
#define ADC_BUTTON_ONOFF 3 /* the on/off button, high value if pressed */
|
|
#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different
|
|
voltages for different keys */
|
|
#define ADC_USB_ACTIVE 5 /* USB bridge activity */
|
|
#define ADC_UNREG_POWER 7 /* Battery voltage */
|
|
|
|
#else
|
|
/* normal JBR channel assignment */
|
|
#define ADC_BATTERY 0 /* Battery voltage always reads 0x3FF due to
|
|
silly scaling */
|
|
#ifdef HAVE_FMADC
|
|
#define ADC_CHARGE_REGULATOR 0 /* Uh, we read the battery voltage? */
|
|
#define ADC_USB_POWER 1 /* USB, reads 0x000 when USB is inserted */
|
|
#define ADC_BUTTON_OFF 2 /* the off button, high value if pressed */
|
|
#define ADC_BUTTON_ON 3 /* the on button, low value if pressed */
|
|
#else
|
|
#define ADC_CHARGE_REGULATOR 1 /* Regulator reference voltage, should read
|
|
about 0x1c0 when charging, else 0x3FF */
|
|
#define ADC_USB_POWER 2 /* USB, reads 0x3FF when USB is inserted */
|
|
#endif
|
|
|
|
#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different
|
|
voltages for different keys */
|
|
#define ADC_BUTTON_ROW2 5 /* Used for scanning the keys, different
|
|
voltages for different keys */
|
|
#define ADC_UNREG_POWER 6 /* Battery voltage with a better scaling */
|
|
#define ADC_EXT_POWER 7 /* The external power voltage, 0v or 2.7v */
|
|
|
|
#endif
|
|
|
|
#define EXT_SCALE_FACTOR 14800
|
|
#endif
|
|
|
|
unsigned short adc_read(int channel);
|
|
void adc_init(void);
|
|
|
|
#ifdef IRIVER_H100
|
|
unsigned char adc_scan(int channel);
|
|
#endif
|
|
|
|
#endif
|