uisimulator/common/sim_tasks.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 by Jens Arnold
  11  *
  12  * Rockbox simulator specific tasks
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  20  * KIND, either express or implied.
  21  *
  22  ****************************************************************************/
  23
  24 #include "config.h"
  25 #include "kernel.h"
  26 #include "screendump.h"
  27 #include "thread.h"
  28
  29 static void sim_thread(void);
  30 static long sim_thread_stack[DEFAULT_STACK_SIZE/sizeof(long)];
  31             /* stack isn't actually used in the sim */
  32 static const char sim_thread_name[] = "sim";
  33 static struct event_queue sim_queue;
  34
  35 /* possible events for the sim thread */
  36 enum {
  37     SIM_SCREENDUMP,
  38 };
  39
  40 void sim_thread(void)
  41 {
  42     struct queue_event ev;
  43
  44     while (1)
  45     {
  46         queue_wait(&sim_queue, &ev);
  47         switch(ev.id)
  48         {
  49             case SIM_SCREENDUMP:
  50                 screen_dump();
  51 #ifdef HAVE_REMOTE_LCD
  52                 remote_screen_dump();
  53 #endif
  54                 break;
  55         }
  56     }
  57 }
  58
  59 void sim_tasks_init(void)
  60 {
  61     queue_init(&sim_queue, false);
  62
  63     create_thread(sim_thread, sim_thread_stack, sizeof(sim_thread_stack), 0,
  64                   sim_thread_name IF_PRIO(,PRIORITY_BACKGROUND) IF_COP(,CPU));
  65 }
  66
  67 void sim_trigger_screendump(void)
  68 {
  69     queue_post(&sim_queue, SIM_SCREENDUMP, 0);
  70 }