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