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author | Daniel Ankers <dan@weirdo.org.uk> | 2006-10-14 12:14:23 +0000 |
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committer | Daniel Ankers <dan@weirdo.org.uk> | 2006-10-14 12:14:23 +0000 |
commit | d282e14d3328020679011983d6ad243a0295dda4 (patch) | |
tree | c17442c357925e9e7127215d54e6894c97782639 | |
parent | 6aa12c11f741a4544d780d11fc583a25a5aef171 (diff) | |
download | rockbox-d282e14d3328020679011983d6ad243a0295dda4.tar.gz rockbox-d282e14d3328020679011983d6ad243a0295dda4.zip |
Untested first attempt at a Sansa button driver. Based on work by MrH
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11219 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r-- | firmware/target/arm/sandisk/sansa-e200/button-e200.c | 82 | ||||
-rw-r--r-- | firmware/target/arm/sandisk/sansa-e200/button-target.h | 53 |
2 files changed, 132 insertions, 3 deletions
diff --git a/firmware/target/arm/sandisk/sansa-e200/button-e200.c b/firmware/target/arm/sandisk/sansa-e200/button-e200.c new file mode 100644 index 0000000000..104c7517d8 --- /dev/null +++ b/firmware/target/arm/sandisk/sansa-e200/button-e200.c | |||
@@ -0,0 +1,82 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Barry Wardell | ||
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 | /* Taken from button-h10.c by Barry Wardell and reverse engineering by MrH. */ | ||
21 | |||
22 | #include <stdlib.h> | ||
23 | #include "config.h" | ||
24 | #include "cpu.h" | ||
25 | #include "system.h" | ||
26 | #include "button.h" | ||
27 | #include "kernel.h" | ||
28 | #include "backlight.h" | ||
29 | #include "system.h" | ||
30 | |||
31 | |||
32 | void button_init_device(void) | ||
33 | { | ||
34 | /* Enable all buttons except the wheel */ | ||
35 | GPIOF_ENABLE |= 0xff; | ||
36 | } | ||
37 | |||
38 | bool button_hold(void) | ||
39 | { | ||
40 | return (GPIOF_INPUT_VAL & 0x80)?true:false; | ||
41 | } | ||
42 | |||
43 | /* | ||
44 | * Get button pressed from hardware | ||
45 | */ | ||
46 | int button_read_device(void) | ||
47 | { | ||
48 | int btn = BUTTON_NONE; | ||
49 | unsigned char state; | ||
50 | static bool hold_button = false; | ||
51 | bool hold_button_old; | ||
52 | |||
53 | /* Hold */ | ||
54 | hold_button_old = hold_button; | ||
55 | hold_button = button_hold(); | ||
56 | |||
57 | #if 0 | ||
58 | #ifndef BOOTLOADER | ||
59 | /* light handling */ | ||
60 | if (hold_button != hold_button_old) | ||
61 | { | ||
62 | backlight_hold_changed(hold_button); | ||
63 | } | ||
64 | #endif | ||
65 | #endif | ||
66 | |||
67 | /* device buttons */ | ||
68 | if (!hold_button) | ||
69 | { | ||
70 | /* Read normal buttons */ | ||
71 | state = GPIOF_INPUT_VAL & 0xff; | ||
72 | if ((state & 0x1) == 0) btn |= BUTTON_REC; | ||
73 | if ((state & 0x2) == 0) btn |= BUTTON_DOWN; | ||
74 | if ((state & 0x4) == 0) btn |= BUTTON_RIGHT; | ||
75 | if ((state & 0x8) == 0) btn |= BUTTON_LEFT; | ||
76 | if ((state & 0x10) == 0) btn |= BUTTON_SELECT; /* The centre button */ | ||
77 | if ((state & 0x20) == 0) btn |= BUTTON_UP; /* The "play" button */ | ||
78 | if ((state & 0x40) == 1) btn |= BUTTON_POWER; | ||
79 | } | ||
80 | |||
81 | return btn; | ||
82 | } | ||
diff --git a/firmware/target/arm/sandisk/sansa-e200/button-target.h b/firmware/target/arm/sandisk/sansa-e200/button-target.h index e78f91a154..6ddf466452 100644 --- a/firmware/target/arm/sandisk/sansa-e200/button-target.h +++ b/firmware/target/arm/sandisk/sansa-e200/button-target.h | |||
@@ -1,7 +1,54 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Barry Wardell | ||
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 | ****************************************************************************/ | ||
1 | 19 | ||
2 | #define BUTTON_POWER 0x00000001 | 20 | #ifndef _BUTTON_TARGET_H_ |
3 | #define BUTTON_LEFT 0x00000002 | 21 | #define _BUTTON_TARGET_H_ |
22 | |||
23 | #include <stdbool.h> | ||
24 | #include "config.h" | ||
25 | |||
26 | #define HAS_BUTTON_HOLD | ||
27 | |||
28 | bool button_hold(void); | ||
29 | void button_init_device(void); | ||
30 | int button_read_device(void); | ||
31 | |||
32 | /* Sandisk Sansa E200 button codes */ | ||
33 | |||
34 | /* Main unit's buttons */ | ||
35 | #define BUTTON_REC 0x00000001 | ||
36 | #define BUTTON_STOP 0x00000002 | ||
4 | #define BUTTON_RIGHT 0x00000004 | 37 | #define BUTTON_RIGHT 0x00000004 |
38 | #define BUTTON_LEFT 0x00000008 | ||
39 | #define BUTTON_SELECT 0x00000010 | ||
40 | #define BUTTON_PLAY 0x00000020 | ||
41 | #define BUTTON_POWER 0x00000040 | ||
42 | |||
43 | #define BUTTON_UP 0x00000080 | ||
44 | #define BUTTON_DOWN 0x00000100 | ||
45 | |||
46 | #define BUTTON_MAIN 0x00000fff | ||
47 | |||
48 | /* No Remote control */ | ||
49 | #define BUTTON_REMOTE 0 | ||
5 | 50 | ||
6 | #define POWEROFF_BUTTON BUTTON_POWER | 51 | #define POWEROFF_BUTTON BUTTON_POWER |
7 | #define POWEROFF_COUNT 40 | 52 | #define POWEROFF_COUNT 10 |
53 | |||
54 | #endif /* _BUTTON_TARGET_H_ */ | ||