diff options
Diffstat (limited to 'firmware/target/sh/archos/player/button-player.c')
-rwxr-xr-x | firmware/target/sh/archos/player/button-player.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/firmware/target/sh/archos/player/button-player.c b/firmware/target/sh/archos/player/button-player.c new file mode 100755 index 0000000000..fbc940f7de --- /dev/null +++ b/firmware/target/sh/archos/player/button-player.c | |||
@@ -0,0 +1,74 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Jens Arnold | ||
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 "system.h" | ||
22 | #include "button.h" | ||
23 | #include "backlight.h" | ||
24 | #include "adc.h" | ||
25 | |||
26 | /* | ||
27 | Player hardware button hookup | ||
28 | ============================= | ||
29 | |||
30 | Player | ||
31 | ------ | ||
32 | LEFT: AN0 | ||
33 | MENU: AN1 | ||
34 | RIGHT: AN2 | ||
35 | PLAY: AN3 | ||
36 | |||
37 | STOP: PA11 | ||
38 | ON: PA5 | ||
39 | |||
40 | All buttons are low active | ||
41 | */ | ||
42 | |||
43 | void button_init_device(void) | ||
44 | { | ||
45 | /* set PA5 and PA11 as input pins */ | ||
46 | PACR1 &= 0xff3f; /* PA11MD = 00 */ | ||
47 | PACR2 &= 0xfbff; /* PA5MD = 0 */ | ||
48 | PAIOR &= ~0x0820; /* Inputs */ | ||
49 | } | ||
50 | |||
51 | int button_read_device(void) | ||
52 | { | ||
53 | int btn = BUTTON_NONE; | ||
54 | int data; | ||
55 | |||
56 | /* buttons are active low */ | ||
57 | if (adc_read(0) < 0x180) | ||
58 | btn = BUTTON_LEFT; | ||
59 | if (adc_read(1) < 0x180) | ||
60 | btn |= BUTTON_MENU; | ||
61 | if (adc_read(2) < 0x180) | ||
62 | btn |= BUTTON_RIGHT; | ||
63 | if (adc_read(3) < 0x180) | ||
64 | btn |= BUTTON_PLAY; | ||
65 | |||
66 | /* check port A pins for ON and STOP */ | ||
67 | data = PADR; | ||
68 | if ( !(data & 0x0020) ) | ||
69 | btn |= BUTTON_ON; | ||
70 | if ( !(data & 0x0800) ) | ||
71 | btn |= BUTTON_STOP; | ||
72 | |||
73 | return btn; | ||
74 | } | ||