diff options
Diffstat (limited to 'firmware/target/arm/rk27xx/hm60x/button-hm60x.c')
-rw-r--r-- | firmware/target/arm/rk27xx/hm60x/button-hm60x.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/firmware/target/arm/rk27xx/hm60x/button-hm60x.c b/firmware/target/arm/rk27xx/hm60x/button-hm60x.c new file mode 100644 index 0000000000..eaadaa131c --- /dev/null +++ b/firmware/target/arm/rk27xx/hm60x/button-hm60x.c | |||
@@ -0,0 +1,46 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2011 Andrew Ryabinin | ||
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 | |||
22 | #include "config.h" | ||
23 | #include "system.h" | ||
24 | #include "button.h" | ||
25 | #include "adc.h" | ||
26 | |||
27 | void button_init_device(void) { | ||
28 | /* setup button gpio as input */ | ||
29 | GPIO_PCCON &= ~(POWEROFF_BUTTON); | ||
30 | } | ||
31 | |||
32 | int button_read_device(void) { | ||
33 | int adc_val = adc_read(ADC_BUTTONS); | ||
34 | if (adc_val < 30) { | ||
35 | return BUTTON_UP | (GPIO_PCDR & POWEROFF_BUTTON); | ||
36 | } else if (adc_val < 250) { | ||
37 | return BUTTON_RIGHT | (GPIO_PCDR & POWEROFF_BUTTON); | ||
38 | } else if (adc_val < 380) { | ||
39 | return BUTTON_LEFT | (GPIO_PCDR & POWEROFF_BUTTON); | ||
40 | } else if (adc_val < 450) { | ||
41 | return BUTTON_DOWN | (GPIO_PCDR & POWEROFF_BUTTON); | ||
42 | } else if (adc_val < 560) { | ||
43 | return BUTTON_PLAY | (GPIO_PCDR & POWEROFF_BUTTON); | ||
44 | } | ||
45 | return (GPIO_PCDR & POWEROFF_BUTTON); | ||
46 | } | ||