/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id: helloworld.c,v 1.3 2006-01-15 18:20:08 amiconn Exp $
 *
 * Copyright (C) 2002 Björn Stenberg
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include "plugin.h"

/* welcome to the example rockbox plugin */

/* This macros must always be included. Should be placed at the top by
   convention, although the actual position doesn't matter */
PLUGIN_HEADER

/* here is a global api struct pointer. while not strictly necessary,
   it's nice not to have to pass the api pointer in all function calls
   in the plugin */
static struct plugin_api* rb;

/* this is the plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
    /* if you don't use the parameter, you can do like
       this to avoid the compiler warning about it */
    (void)parameter;

    /* if you are using a global api pointer, don't forget to copy it!
       otherwise you will get lovely "I04: IllInstr" errors... :-) */
    rb = api;
    int scrollevent = 0;
    unsigned int newbuttonstate = 0;
    unsigned int released = 0;
    unsigned int pressed = 0;
    unsigned int oldbuttonstate = 0;
# if 0
    /* works in sim an on iPod 5g */
    /* test with button_get(false) */
    while (scrollevent=rb->button_get(false) != BUTTON_SCROLL_BACK)
        rb->yield();
    rb->splash(HZ*2, true, "Hello world!");
#endif
    while(1) {
        newbuttonstate = rb->button_status();
        released = ~newbuttonstate & oldbuttonstate;
        pressed = newbuttonstate & ~oldbuttonstate;
        oldbuttonstate = newbuttonstate;
        /* test for scrollwheel using button_status(); */
        if(pressed & (BUTTON_SCROLL_BACK | BUTTON_SCROLL_FWD)) {
            rb->splash(HZ*3, true, "Hello world 2!");
            break;
        }
        if(pressed & BUTTON_SELECT)
            rb->splash(HZ*3, true, "Caught select, quitting..."
            break;
    } 
    

    return PLUGIN_OK;
}