e367b05fca
driver for H10. Thanks to Laurent Baum for all his help with this code. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10701 a1c6a512-1295-4272-9138-f99709370657
115 lines
4 KiB
C
115 lines
4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _ADC_H_
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#define _ADC_H_
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#include "config.h"
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#ifdef TARGET_TREE
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#include "adc-target.h"
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#elif defined(IPOD_ARCH)
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#define NUM_ADC_CHANNELS 1
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#define ADC_BATTERY 0
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#define ADC_UNREG_POWER ADC_BATTERY
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#elif defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
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#define NUM_ADC_CHANNELS 4
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#define ADC_BUTTONS 0
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#define ADC_REMOTE 1
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#define ADC_BATTERY 2
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#define ADC_REMOTEDETECT 3
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#define ADC_UNREG_POWER ADC_BATTERY /* For compatibility */
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/* ADC values for different remote control types */
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#ifdef IRIVER_H100_SERIES
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#define ADCVAL_H300_LCD_REMOTE 0x5E
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#define ADCVAL_H100_LCD_REMOTE 0x96
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#define ADCVAL_H300_LCD_REMOTE_HOLD 0xCC
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#define ADCVAL_H100_LCD_REMOTE_HOLD 0xEA
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#else /* H300 series */
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#define ADCVAL_H300_LCD_REMOTE 0x35
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#define ADCVAL_H100_LCD_REMOTE 0x54
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#define ADCVAL_H300_LCD_REMOTE_HOLD 0x72
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#define ADCVAL_H100_LCD_REMOTE_HOLD 0x83
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#endif
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#elif defined(IRIVER_IFP7XX)
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#define NUM_ADC_CHANNELS 5
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#define ADC_BUTTONS 0
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#define ADC_BATTERY 1
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#define ADC_BUTTON_PLAY 2
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#define ADC_UNREG_POWER ADC_BATTERY /* For compatibility */
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#else
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#define NUM_ADC_CHANNELS 8
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#ifdef HAVE_ONDIO_ADC
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#define ADC_MMC_SWITCH 0 /* low values if MMC inserted */
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#define ADC_USB_POWER 1 /* USB, reads 0x000 when USB is inserted */
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#define ADC_BUTTON_OPTION 2 /* the option button, low value if pressed */
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#define ADC_BUTTON_ONOFF 3 /* the on/off button, high value if pressed */
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#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different
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voltages for different keys */
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#define ADC_USB_ACTIVE 5 /* USB bridge activity */
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#define ADC_UNREG_POWER 7 /* Battery voltage */
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#else
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/* normal JBR channel assignment */
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#define ADC_BATTERY 0 /* Battery voltage always reads 0x3FF due to
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silly scaling */
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#ifdef HAVE_FMADC
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#define ADC_CHARGE_REGULATOR 0 /* Uh, we read the battery voltage? */
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#define ADC_USB_POWER 1 /* USB, reads 0x000 when USB is inserted */
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#define ADC_BUTTON_OFF 2 /* the off button, high value if pressed */
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#define ADC_BUTTON_ON 3 /* the on button, low value if pressed */
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#else
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#define ADC_CHARGE_REGULATOR 1 /* Regulator reference voltage, should read
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about 0x1c0 when charging, else 0x3FF */
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#define ADC_USB_POWER 2 /* USB, reads 0x3FF when USB is inserted */
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#endif
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#define ADC_BUTTON_ROW1 4 /* Used for scanning the keys, different
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voltages for different keys */
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#define ADC_BUTTON_ROW2 5 /* Used for scanning the keys, different
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voltages for different keys */
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#define ADC_UNREG_POWER 6 /* Battery voltage with a better scaling */
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#define ADC_EXT_POWER 7 /* The external power voltage, 0v or 2.7v */
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#endif
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#define EXT_SCALE_FACTOR 14800
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#endif
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unsigned short adc_read(int channel);
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void adc_init(void);
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#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)\
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|| defined(IPOD_ARCH)
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/* Force a scan now */
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unsigned short adc_scan(int channel);
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#endif
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#endif
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