firmware/target/hosted/powermgmt.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2011 by Thomas Jarosch
  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 #include "config.h"
  22 #include "powermgmt.h"
  23 #include "thread.h"
  24 #include "kernel.h"
  25
  26 static char power_stack[DEFAULT_STACK_SIZE];
  27 static const char power_thread_name[] = "power";
  28
  29 void powermgmt_init_target(void);
  30
  31 #if !(CONFIG_PLATFORM & PLATFORM_ANDROID)
  32 void powermgmt_init_target(void)
  33 {
  34     /* Nothing to do */
  35 }
  36 #endif
  37
  38 static void power_thread(void)
  39 {
  40     powermgmt_init_target();
  41
  42     while (1)
  43     {
  44         /* Sleep two seconds */
  45         sleep(HZ*2);
  46
  47         handle_sleep_timer();
  48     }
  49 } /* power_thread */
  50
  51 void powermgmt_init(void)
  52 {
  53     create_thread(power_thread, power_stack, sizeof(power_stack), 0,
  54                   power_thread_name IF_PRIO(, PRIORITY_SYSTEM)
  55                   IF_COP(, CPU));
  56 }