apps/plugins/helloworld.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Björn Stenberg
  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 "plugin.h"
  22
  23 /* welcome to the example rockbox plugin */
  24
  25 /* This macros must always be included. Should be placed at the top by
  26    convention, although the actual position doesn't matter */
  27 PLUGIN_HEADER
  28
  29 /* here is a global api struct pointer. while not strictly necessary,
  30    it's nice not to have to pass the api pointer in all function calls
  31    in the plugin */
  32 static const struct plugin_api* rb;
  33
  34 /* this is the plugin entry point */
  35 enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
  36 {
  37     /* if you don't use the parameter, you can do like
  38        this to avoid the compiler warning about it */
  39     (void)parameter;
  40
  41     /* if you are using a global api pointer, don't forget to copy it!
  42        otherwise you will get lovely "I04: IllInstr" errors... :-) */
  43     rb = api;
  44
  45     /* now go ahead and have fun! */
  46     rb->splash(HZ*2, "Hello world!");
  47
  48     return PLUGIN_OK;
  49 }