bootloader/meizu_m6sl.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Greg White
  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
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include "inttypes.h"
  26 #include "string.h"
  27 #include "cpu.h"
  28 #include "system.h"
  29 #include "lcd.h"
  30 #include "kernel.h"
  31 #include "thread.h"
  32 #include "ata.h"
  33 #include "fat.h"
  34 #include "disk.h"
  35 #include "font.h"
  36 #include "adc.h"
  37 #include "backlight.h"
  38 #include "backlight-target.h"
  39 #include "button.h"
  40 #include "panic.h"
  41 #include "power.h"
  42 #include "file.h"
  43 #include "common.h"
  44 #include "rbunicode.h"
  45 #include "usb.h"
  46
  47 #include <stdarg.h>
  48
  49 char version[] = APPSVERSION;
  50
  51 void main(void)
  52 {
  53     int counter=0;
  54     //Set backlight pin to output and enable
  55     int oldval = PCON0;
  56     PCON0 = ((oldval & ~(3 << 4)) | (1 << 4));
  57     PDAT0 |= (1 << 2);
  58
  59     //Set PLAY to input
  60     oldval = PCON1;
  61     PCON1 = ((oldval & ~(0xf << 16)) | (0 << 16));
  62
  63     //Set the piezo pins to output
  64     oldval = PCON5;
  65     PCON5 = ((oldval & ~((0xf << 4) | (0xf << 8))) | ((1 << 0) | (1 << 4)));
  66     PDAT5 &= ~((1 << 1) | (1 << 2)); //should not be needed
  67
  68     PDAT5 |= (1 << 1); //Toggle piezo +
  69
  70     //toggle backlight on PLAY
  71     while(counter<20)
  72     {
  73         // Wait for play to be pressed
  74         while(!(PDAT1 & (1 << 4)))
  75         {
  76         }
  77
  78         PDAT5 ^= (1 << 1); //Toggle piezo +
  79         PDAT0 ^= (1 << 2); //Toggle backlight
  80         counter++;
  81
  82         // Wait for play to be released
  83         while(PDAT1 & (1 << 4))
  84         {
  85         }
  86     }
  87     //toggle a few times to warn that we're done
  88     for(counter=0;counter<10;counter++)
  89     {
  90         volatile int i;
  91         for(i=0;i<50000;i++);
  92         PDAT0 ^= (1 << 2); //Toggle backlight
  93     }
  94     PDAT1&=~(1<<3);
  95 }
  96