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 "storage.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 #include "qt1106.h"
  47
  48 #include <stdarg.h>
  49
  50 char version[] = APPSVERSION;
  51 #define LONG_DELAY  200000
  52 #define SHORT_DELAY  50000
  53 #define PAUSE_DELAY  50000
  54
  55 static inline void delay(int duration)
  56 {
  57     volatile int i;
  58     for(i=0;i<duration;i++);
  59 }
  60
  61
  62 void bl_debug(bool bit)
  63 {
  64     if (bit)
  65     {
  66         PDAT0 ^= (1 << 2); //Toggle backlight
  67         delay(LONG_DELAY);
  68         PDAT0 ^= (1 << 2); //Toggle backlight
  69         delay(LONG_DELAY);
  70     }
  71     else
  72     {
  73         PDAT0 ^= (1 << 2); //Toggle backlight
  74         delay(SHORT_DELAY);
  75         PDAT0 ^= (1 << 2); //Toggle backlight
  76         delay(SHORT_DELAY);
  77     }
  78 }
  79
  80 void bl_debug_count(unsigned int input)
  81 {
  82     unsigned int i;
  83     delay(SHORT_DELAY*3);
  84     for (i = 0; i < input; i++)
  85     {
  86         PDAT0 ^= (1 << 2); //Toggle backlight
  87         delay(SHORT_DELAY);
  88         PDAT0 ^= (1 << 2); //Toggle backlight
  89         delay(2*SHORT_DELAY);
  90     }
  91 }
  92 void bl_debug_int(unsigned int input,unsigned int count)
  93 {
  94     unsigned int i;
  95     for (i = 0; i < count; i++)
  96     {
  97         bl_debug(input>>i & 1);
  98     }
  99     delay(SHORT_DELAY*6);
 100 }
 101
 102 /* These functions are supposed to be static in lcd-m6sl.c, but
 103    we use them here for testing */
 104 void init_lcd_spi(void);
 105 unsigned int lcd_read_id(void);
 106
 107 void main(void)
 108 {
 109     //Set backlight pin to output and enable
 110     unsigned int model;
 111     int oldval = PCON0;
 112     PCON0 = ((oldval & ~(3 << 4)) | (1 << 4));
 113     PDAT0 |= (1 << 2);
 114
 115     //Set PLAY to input
 116     oldval = PCON1;
 117     PCON1 = ((oldval & ~(0xf << 16)) | (0 << 16));
 118
 119     init_qt1106();
 120
 121     // Wait for play to be pressed
 122     while(!(PDAT1 & (1 << 4)));
 123     // Wait for play to be released
 124     while((PDAT1 & (1 << 4)));
 125     PDAT0 ^= (1 << 2); //Toggle backlight
 126     delay(LONG_DELAY);
 127
 128     init_lcd_spi();
 129     model=lcd_read_id();
 130     bl_debug_count((model&0xf000)>>12);
 131     bl_debug_count((model&0xf00)>>8);
 132     bl_debug_count((model&0xf0)>>4);
 133     bl_debug_count(model&0xf);
 134
 135     /* Calibrate the lot */
 136     qt1106_io(QT1106_MODE_FREE | QT1106_MOD_INF | QT1106_DI \
 137        | QT1106_SLD_SLIDER | QT1106_CAL_WHEEL | QT1106_CAL_KEYS | QT1106_RES_4);
 138
 139     /* Set to maximum sensitivity */
 140     qt1106_io(QT1106_CT | (0x00 << 8) );
 141
 142     while(true)
 143     {
 144         qt1106_wait();
 145
 146         int slider = qt1106_io(QT1106_MODE_FREE | QT1106_MOD_INF \
 147             | QT1106_DI | QT1106_SLD_SLIDER | QT1106_RES_4);
 148         if(slider & 0x008000)
 149             bl_debug_count(((slider&0xff)) + 1);
 150     }
 151
 152     //power off
 153     PDAT1&=~(1<<3);
 154 }
 155