Karl Kurbjun | 7b97fe2 | 2007-09-20 04:46:41 +0000 | [diff] [blame] | 1 | /*************************************************************************** |
| 2 | * __________ __ ___. |
| 3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| 4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| 5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| 6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| 7 | * \/ \/ \/ \/ \/ |
| 8 | * $Id: $ |
| 9 | * |
| 10 | * Copyright (C) 2007 by Karl Kurbjun |
| 11 | * |
| 12 | * All files in this archive are subject to the GNU General Public License. |
| 13 | * See the file COPYING in the source tree root for full license agreement. |
| 14 | * |
| 15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| 16 | * KIND, either express or implied. |
| 17 | * |
| 18 | ****************************************************************************/ |
| 19 | |
| 20 | #include "config.h" |
| 21 | #include "cpu.h" |
| 22 | #include "system.h" |
| 23 | #include "button.h" |
| 24 | #include "kernel.h" |
| 25 | #include "backlight.h" |
| 26 | #include "adc.h" |
| 27 | #include "system.h" |
| 28 | #include "backlight-target.h" |
Jonathan Gordon | 300f64c | 2007-09-20 09:08:40 +0000 | [diff] [blame] | 29 | #include "uart-target.h" |
Karl Kurbjun | 7b97fe2 | 2007-09-20 04:46:41 +0000 | [diff] [blame] | 30 | |
Jonathan Gordon | 376429d | 2007-09-20 08:42:06 +0000 | [diff] [blame] | 31 | #define BUTTON_TIMEOUT 50 |
Karl Kurbjun | 7b97fe2 | 2007-09-20 04:46:41 +0000 | [diff] [blame] | 32 | void button_init_device(void) |
| 33 | { |
Jonathan Gordon | 376429d | 2007-09-20 08:42:06 +0000 | [diff] [blame] | 34 | /* GIO is the power button, set as input */ |
| 35 | outw(inw(IO_GIO_DIR0)|0x01, IO_GIO_DIR0); |
Karl Kurbjun | 7b97fe2 | 2007-09-20 04:46:41 +0000 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | inline bool button_hold(void) |
| 39 | { |
| 40 | return false; |
| 41 | } |
| 42 | |
| 43 | int button_read_device(void) |
| 44 | { |
Jonathan Gordon | 376429d | 2007-09-20 08:42:06 +0000 | [diff] [blame] | 45 | char data[5], c; |
| 46 | int i = 0; |
| 47 | int btn = BUTTON_NONE, timeout = BUTTON_TIMEOUT; |
| 48 | |
| 49 | if ((inw(IO_GIO_BITSET0)&0x01) == 0) |
| 50 | btn |= BUTTON_POWER; |
| 51 | |
| 52 | uartHeartbeat(); |
| 53 | while (timeout > 0) |
| 54 | { |
| 55 | c = uartPollch(BUTTON_TIMEOUT*100); |
| 56 | if (c > -1) |
| 57 | { |
| 58 | if (i && data[0] == 0xf4) |
| 59 | { |
| 60 | data[i++] = c; |
| 61 | } |
| 62 | else if (c == 0xf4) |
| 63 | { |
| 64 | data[0] = c; |
| 65 | i = 1; |
| 66 | } |
| 67 | |
| 68 | if (i == 5) |
| 69 | { |
| 70 | if (data[1]& (1<<7)) |
| 71 | btn |= BUTTON_RC_HEART; |
| 72 | if (data[1]& (1<<6)) |
| 73 | btn |= BUTTON_RC_MODE; |
| 74 | if (data[1]& (1<<5)) |
| 75 | btn |= BUTTON_RC_VOL_DOWN; |
| 76 | if (data[1]& (1<<4)) |
| 77 | btn |= BUTTON_RC_VOL_UP; |
| 78 | if (data[1]& (1<<3)) |
| 79 | btn |= BUTTON_RC_REW; |
| 80 | if (data[1]& (1<<2)) |
| 81 | btn |= BUTTON_RC_FF; |
| 82 | if (data[1]& (1<<1)) |
| 83 | btn |= BUTTON_RC_DOWN; |
| 84 | if (data[1]& (1<<0)) |
| 85 | btn |= BUTTON_RC_PLAY; |
| 86 | break; |
| 87 | } |
| 88 | } |
| 89 | timeout--; |
| 90 | } |
| 91 | return btn; |
Karl Kurbjun | 7b97fe2 | 2007-09-20 04:46:41 +0000 | [diff] [blame] | 92 | } |