bootloader/meizu_m6sp.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 "storage.h"
  33 #include "fat.h"
  34 #include "disk.h"
  35 #include "font.h"
  36 #include "button.h"
  37 #include "panic.h"
  38 #include "power.h"
  39 #include "file.h"
  40 #include "common.h"
  41 #include "rbunicode.h"
  42 #include "usb.h"
  43 #include "qt1106.h"
  44
  45 #include <stdarg.h>
  46
  47 char version[] = APPSVERSION;
  48 #define LONG_DELAY  200000
  49 #define SHORT_DELAY  50000
  50 #define PAUSE_DELAY  50000
  51
  52 static inline void delay(int duration)
  53 {
  54     volatile int i;
  55     for(i=0;i<duration;i++);
  56 }
  57
  58
  59 void bl_debug(bool bit)
  60 {
  61     if (bit)
  62     {
  63         PDAT0 ^= (1 << 2); //Toggle backlight
  64         delay(LONG_DELAY);
  65         PDAT0 ^= (1 << 2); //Toggle backlight
  66         delay(LONG_DELAY);
  67     }
  68     else
  69     {
  70         PDAT0 ^= (1 << 2); //Toggle backlight
  71         delay(SHORT_DELAY);
  72         PDAT0 ^= (1 << 2); //Toggle backlight
  73         delay(SHORT_DELAY);
  74     }
  75 }
  76
  77 void bl_debug_count(unsigned int input)
  78 {
  79     unsigned int i;
  80     delay(SHORT_DELAY*3);
  81     for (i = 0; i < input; i++)
  82     {
  83         PDAT0 ^= (1 << 2); //Toggle backlight
  84         delay(SHORT_DELAY);
  85         PDAT0 ^= (1 << 2); //Toggle backlight
  86         delay(2*SHORT_DELAY);
  87     }
  88 }
  89 void bl_debug_int(unsigned int input,unsigned int count)
  90 {
  91     unsigned int i;
  92     for (i = 0; i < count; i++)
  93     {
  94         bl_debug(input>>i & 1);
  95     }
  96     delay(SHORT_DELAY*6);
  97 }
  98
  99 void main(void)
 100 {
 101     //Set backlight pin to output and enable
 102     int oldval = PCON0;
 103     PCON0 = ((oldval & ~(3 << 4)) | (1 << 4));
 104     PDAT0 |= (1 << 2);
 105
 106     //Set PLAY to input
 107     oldval = PCON1;
 108     PCON1 = ((oldval & ~(0xf << 16)) | (0 << 16));
 109
 110     // Wait for play to be pressed
 111     while(!(PDAT1 & (1 << 4)));
 112     // Wait for play to be released
 113     while((PDAT1 & (1 << 4)));
 114     PDAT0 ^= (1 << 2); //Toggle backlight
 115     delay(LONG_DELAY);
 116
 117     //power off
 118     PDAT1&=~(1<<3);
 119 }
 120