diff options
Diffstat (limited to 'firmware/target/arm/pbell/vibe500/button-vibe500.c')
-rw-r--r-- | firmware/target/arm/pbell/vibe500/button-vibe500.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/firmware/target/arm/pbell/vibe500/button-vibe500.c b/firmware/target/arm/pbell/vibe500/button-vibe500.c new file mode 100644 index 0000000000..c95e996ef8 --- /dev/null +++ b/firmware/target/arm/pbell/vibe500/button-vibe500.c | |||
@@ -0,0 +1,114 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id:$ | ||
9 | * | ||
10 | * Copyright (C) 2009 Szymon Dziok | ||
11 | * Based on the Iriver H10 and the Philips HD1630 code | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or | ||
14 | * modify it under the terms of the GNU General Public License | ||
15 | * as published by the Free Software Foundation; either version 2 | ||
16 | * of the License, or (at your option) any later version. | ||
17 | * | ||
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
19 | * KIND, either express or implied. | ||
20 | * | ||
21 | ****************************************************************************/ | ||
22 | |||
23 | #include "system.h" | ||
24 | #include "button.h" | ||
25 | #include "backlight.h" | ||
26 | #include "synaptics-mep.h" | ||
27 | |||
28 | static int int_btn = BUTTON_NONE; | ||
29 | static int old_pos = -1; | ||
30 | |||
31 | void button_init_device(void) | ||
32 | { | ||
33 | } | ||
34 | |||
35 | /* | ||
36 | * Button interrupt handler | ||
37 | */ | ||
38 | void button_int(void) | ||
39 | { | ||
40 | char data[4]; | ||
41 | int val; | ||
42 | |||
43 | int_btn = BUTTON_NONE; | ||
44 | |||
45 | val = touchpad_read_device(data, 4); | ||
46 | |||
47 | if (val == MEP_BUTTON_HEADER) | ||
48 | { | ||
49 | /* Buttons packet */ | ||
50 | if (data[1] & 0x1) | ||
51 | int_btn |= BUTTON_MENU; | ||
52 | if (data[1] & 0x2) | ||
53 | int_btn |= BUTTON_PLAY; | ||
54 | if (data[1] & 0x4) | ||
55 | int_btn |= BUTTON_NEXT; | ||
56 | if (data[1] & 0x8) | ||
57 | int_btn |= BUTTON_PREV; | ||
58 | } | ||
59 | else if (val == MEP_ABSOLUTE_HEADER) | ||
60 | { | ||
61 | /* Absolute packet - the finger is on the vertical strip. | ||
62 | Position ranges from 1-4095, with 1 at the bottom. */ | ||
63 | val = ((data[1] >> 4) << 8) | data[2]; /* position */ | ||
64 | |||
65 | if (val > 0) | ||
66 | { | ||
67 | int scr_pos = val >> 8; /* split the scrollstrip into 16 regions */ | ||
68 | if ((old_pos<scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_DOWN; | ||
69 | if ((old_pos>scr_pos)&&(old_pos!=-1)) int_btn = BUTTON_UP; | ||
70 | old_pos = scr_pos; | ||
71 | } | ||
72 | else old_pos=-1; | ||
73 | } | ||
74 | } | ||
75 | |||
76 | int button_read_device(void) | ||
77 | { | ||
78 | int buttons = int_btn; | ||
79 | unsigned char state; | ||
80 | static bool hold_button = false; | ||
81 | bool hold_button_old; | ||
82 | |||
83 | hold_button_old = hold_button; | ||
84 | hold_button = button_hold(); | ||
85 | |||
86 | #ifndef BOOTLOADER | ||
87 | if (hold_button != hold_button_old) | ||
88 | { | ||
89 | backlight_hold_changed(hold_button); | ||
90 | } | ||
91 | #endif | ||
92 | |||
93 | /* device buttons */ | ||
94 | if (!hold_button) | ||
95 | { | ||
96 | /* Read Record, OK, C */ | ||
97 | state = GPIOA_INPUT_VAL; | ||
98 | if ((state & 0x01)==0) buttons|=BUTTON_REC; | ||
99 | if ((state & 0x40)==0) buttons|=BUTTON_OK; | ||
100 | if ((state & 0x08)==0) buttons|=BUTTON_CANCEL; | ||
101 | |||
102 | /* Read POWER button */ | ||
103 | if ((GPIOD_INPUT_VAL & 0x40)==0) buttons|=BUTTON_POWER; | ||
104 | } | ||
105 | else return BUTTON_NONE; | ||
106 | return buttons; | ||
107 | } | ||
108 | |||
109 | bool button_hold(void) | ||
110 | { | ||
111 | /* GPIOK 01000000B - HOLD when bit not set */ | ||
112 | return (GPIOK_INPUT_VAL & 0x40)?false:true; | ||
113 | } | ||
114 | |||