1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2006 by Greg White
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.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
37 #include "backlight.h"
38 #include "backlight-target.h"
44 #include "rbunicode.h"
50 char version
[] = APPSVERSION
;
51 #define LONG_DELAY 200000
52 #define SHORT_DELAY 50000
53 #define PAUSE_DELAY 50000
55 static inline void delay(int duration
)
58 for(i
=0;i
<duration
;i
++);
62 void bl_debug(bool bit
)
66 PDAT0
^= (1 << 2); //Toggle backlight
68 PDAT0
^= (1 << 2); //Toggle backlight
73 PDAT0
^= (1 << 2); //Toggle backlight
75 PDAT0
^= (1 << 2); //Toggle backlight
80 void bl_debug_int(unsigned int input
)
83 for (i
= 0; i
< input
; i
++)
85 PDAT0
^= (1 << 2); //Toggle backlight
87 PDAT0
^= (1 << 2); //Toggle backlight
95 //Set backlight pin to output and enable
97 PCON0
= ((oldval
& ~(3 << 4)) | (1 << 4));
102 PCON1
= ((oldval
& ~(0xf << 16)) | (0 << 16));
106 // Wait for play to be pressed
107 while(!(PDAT1
& (1 << 4)));
108 // Wait for play to be released
109 while((PDAT1
& (1 << 4)));
110 PDAT0
^= (1 << 2); //Toggle backlight
112 /* Calibrate the lot */
113 qt1106_io(QT1106_MODE_FREE
| QT1106_MOD_INF
| QT1106_DI
| QT1106_SLD_SLIDER
| QT1106_CAL_WHEEL
| QT1106_CAL_KEYS
| QT1106_RES_4
);
115 /* Set to maximum sensitivity */
116 qt1106_io(QT1106_CT
| (0x00 << 8) );
122 int slider
= qt1106_io(QT1106_MODE_FREE
| QT1106_MOD_INF
| QT1106_DI
| QT1106_SLD_SLIDER
| QT1106_RES_4
);
123 bl_debug_int(((slider
&0xff)) + 1);