apps/xmasring/main.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2007  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24
  25 #define         ESC     1
  26
  27 unsigned key_pressed (int keycode)
  28 {
  29         int scancode = getkey ();
  30
  31         if (scancode == keycode)
  32                 return 1;
  33
  34         if (scancode == keycode+128)
  35                 return 2;
  36         else
  37                 return 0;
  38 }
  39
  40 void play_sound (unsigned freq, unsigned time)
  41 {
  42         beep (freq);
  43         usleep (time);
  44         beep (0);
  45 }
  46
  47 int main (char *arg, int argl)
  48 {
  49         beep ();
  50
  51         while (1) {
  52                 play_sound (750, 500);
  53                 play_sound (1000, 500);
  54                 play_sound (500, 500);
  55                 play_sound (100, 500);
  56
  57                 if (key_pressed (ESC))
  58                         break;
  59
  60                 schedule ();
  61         }
  62
  63         exit (1);
  64
  65         return 1;
  66 }
  67