firmware/target/coldfire/mpio/adc-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Marcin Bukat
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _ADC_TARGET_H_
  23 #define _ADC_TARGET_H_
  24
  25 #define NUM_ADC_CHANNELS  4
  26
  27 #define ADC_BUTTONS       1
  28 #define ADC_REMOTE        0
  29 #define ADC_BATTERY       2
  30 #define ADC_REMOTEDETECT  3
  31 #define ADC_UNREG_POWER ADC_BATTERY /* For compatibility */
  32
  33 /* Force a scan now */
  34 unsigned short adc_scan(int channel);
  35
  36 static inline unsigned short adc_read(int channel)
  37 {
  38     return adc_scan(channel);
  39 }
  40
  41 #endif /* _ADC_TARGET_H_ */