diff options
Diffstat (limited to 'firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c')
-rw-r--r-- | firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c b/firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c new file mode 100644 index 0000000000..3aad4f75a4 --- /dev/null +++ b/firmware/target/arm/tcc77x/iaudio7/button-iaudio7.c | |||
@@ -0,0 +1,81 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2008 Vitja Makarov | ||
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 | #include "cpu.h" | ||
23 | #include "button.h" | ||
24 | #include "adc.h" | ||
25 | |||
26 | #include "button-target.h" | ||
27 | #include "ata2501.h" | ||
28 | |||
29 | void button_init_device(void) | ||
30 | { | ||
31 | ata2501_init(); | ||
32 | } | ||
33 | |||
34 | /* | ||
35 | touchpad: | ||
36 | 0: stop | ||
37 | 1-8: between next & prev | ||
38 | 9: play | ||
39 | 10: next | ||
40 | 11: prev | ||
41 | */ | ||
42 | |||
43 | int button_read_device(void) | ||
44 | { | ||
45 | int btn = BUTTON_NONE; | ||
46 | int adc; | ||
47 | int sensor; | ||
48 | |||
49 | if (button_hold()) | ||
50 | return BUTTON_NONE; | ||
51 | |||
52 | adc = adc_read(0); | ||
53 | sensor = ata2501_read(); | ||
54 | |||
55 | if (0 == (GPIOA & 4)) | ||
56 | btn |= BUTTON_POWER; | ||
57 | |||
58 | /* seems they can't be hold together */ | ||
59 | if (adc < 0x120) | ||
60 | btn |= BUTTON_VOLUP; | ||
61 | else if (adc < 0x270) | ||
62 | btn |= BUTTON_VOLDOWN; | ||
63 | else if (adc < 0x300) | ||
64 | btn |= BUTTON_MENU; | ||
65 | |||
66 | if (sensor & (1 << 0)) | ||
67 | btn |= BUTTON_STOP; | ||
68 | if (sensor & (1 << 9)) | ||
69 | btn |= BUTTON_PLAY; | ||
70 | if (sensor & ((1 << 10) | 0x1c0)) | ||
71 | btn |= BUTTON_RIGHT; | ||
72 | if (sensor & ((1 << 11) | 0xe)) | ||
73 | btn |= BUTTON_LEFT; | ||
74 | |||
75 | return btn; | ||
76 | } | ||
77 | |||
78 | bool button_hold(void) | ||
79 | { | ||
80 | return !(GPIOA & 0x2); | ||
81 | } | ||