bootloader/meizu_m3.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 "backlight.h"
  37 #include "backlight-target.h"
  38 #include "button.h"
  39 #include "panic.h"
  40 #include "power.h"
  41 #include "file.h"
  42 #include "common.h"
  43 #include "rbunicode.h"
  44 #include "usb.h"
  45 #include "qt1106.h"
  46 #include "bitmaps/rockboxlogo.h"
  47
  48
  49 #include <stdarg.h>
  50
  51 char version[] = APPSVERSION;
  52 #define LONG_DELAY  200000
  53 #define SHORT_DELAY  50000
  54 #define PAUSE_DELAY  50000
  55
  56 static inline void delay(int duration)
  57 {
  58     volatile int i;
  59     for(i=0;i<duration;i++);
  60 }
  61
  62
  63 void bl_debug(bool bit)
  64 {
  65     if (bit)
  66     {
  67         PDAT0 ^= (1 << 2); //Toggle backlight
  68         delay(LONG_DELAY);
  69         PDAT0 ^= (1 << 2); //Toggle backlight
  70         delay(LONG_DELAY);
  71     }
  72     else
  73     {
  74         PDAT0 ^= (1 << 2); //Toggle backlight
  75         delay(SHORT_DELAY);
  76         PDAT0 ^= (1 << 2); //Toggle backlight
  77         delay(SHORT_DELAY);
  78     }
  79 }
  80
  81 void bl_debug_count(unsigned int input)
  82 {
  83     unsigned int i;
  84     delay(SHORT_DELAY*3);
  85     for (i = 0; i < input; i++)
  86     {
  87         PDAT0 ^= (1 << 2); //Toggle backlight
  88         delay(SHORT_DELAY);
  89         PDAT0 ^= (1 << 2); //Toggle backlight
  90         delay(2*SHORT_DELAY);
  91     }
  92 }
  93 void bl_debug_int(unsigned int input,unsigned int count)
  94 {
  95     unsigned int i;
  96     for (i = 0; i < count; i++)
  97     {
  98         bl_debug(input>>i & 1);
  99     }
 100     delay(SHORT_DELAY*6);
 101 }
 102
 103 void main(void)
 104 {
 105     char mystring[64];
 106
 107     //Set backlight pin to output and enable
 108     int oldval = PCON0;
 109     PCON0 = ((oldval & ~(3 << 4)) | (1 << 4));
 110     PDAT0 |= (1 << 2);
 111
 112     //power on
 113 //    oldval = PCON1;
 114 //    PCON1 = ((oldval & ~(0xf << 12)) | (1 << 12));
 115 //    PDAT1|=(1<<3);
 116
 117     //Set PLAY to EINT4
 118     oldval = PCON1;
 119     PCON1 = ((oldval & ~(0xf << 16)) | (2 << 16));
 120
 121     //Set MENU to EINT0
 122     oldval = PCON1;
 123     PCON1 = (oldval & ~(0xf)) | 2;
 124
 125     // enable external interrupts
 126     EINTPOL = 0x11;
 127     INTMSK = 0x11;
 128     EINTMSK = 0x11;
 129     asm volatile("msr cpsr_c, #0x13\n\t"); // enable interrupts
 130
 131     backlight_init();
 132     lcd_init();
 133     lcd_update();
 134
 135     init_qt1106();
 136
 137     /* Calibrate the lot */
 138     qt1106_io(QT1106_MODE_FREE | QT1106_MOD_INF | QT1106_DI \
 139        | QT1106_SLD_SLIDER | QT1106_CAL_WHEEL | QT1106_CAL_KEYS | QT1106_RES_256);
 140
 141     lcd_clear_display();
 142     lcd_bitmap(rockboxlogo, 0, 30, BMPWIDTH_rockboxlogo, BMPHEIGHT_rockboxlogo);
 143     lcd_update();
 144
 145     /* Set to maximum sensitivity */
 146     qt1106_io(QT1106_CT | (0x00 << 8) );
 147
 148     while(true)
 149     {
 150         qt1106_wait();
 151
 152         int slider = qt1106_io(QT1106_MODE_FREE | QT1106_MOD_INF \
 153             | QT1106_DI | QT1106_SLD_SLIDER | QT1106_RES_256);
 154         snprintf(mystring, 64, "%x %2.2x",(slider & 0x008000)>>15, slider&0xff);
 155         lcd_puts(0,1,mystring);
 156         lcd_update();
 157         /*
 158         if(slider & 0x008000)
 159             bl_debug_count(((slider&0xff)) + 1);
 160         */
 161
 162         _backlight_set_brightness(slider & 0xFF);
 163     }
 164
 165     //power off
 166     PDAT1&=~(1<<3);
 167 }
 168