firmware/target/arm/tms320dm320/mrobe-500/adc-mr500.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 by Karl Kurbjun
  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 #include "cpu.h"
  23 #include "adc.h"
  24 #include "adc-target.h"
  25 #include "kernel.h"
  26
  27 /* prototypes */
  28 static void adc_tick(void);
  29
  30 void adc_init(void)
  31 {
  32     /* attach the adc reading to the tick */
  33     tick_add_task(adc_tick);
  34 }
  35
  36 /* Called to get the recent ADC reading */
  37 inline unsigned short adc_read(int channel)
  38 {
  39     return (short)channel;
  40 }
  41
  42 /* add this to the tick so that the ADC converts are done in the background */
  43 static void adc_tick(void)
  44 {
  45 }
  46
  47
  48
  49