diff options
Diffstat (limited to 'firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c')
-rw-r--r-- | firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c b/firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c new file mode 100644 index 0000000000..2d38803115 --- /dev/null +++ b/firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c | |||
@@ -0,0 +1,99 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * | ||
9 | * | ||
10 | * Copyright (C) 2009 by Jorge Pinto | ||
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 "at91sam9260.h" | ||
23 | #include "button.h" | ||
24 | |||
25 | #define BUTTON_01 AT91C_PIO_PB4 | ||
26 | #define BUTTON_02 AT91C_PIO_PB5 | ||
27 | #define BUTTON_03 AT91C_PIO_PB27 | ||
28 | #define BUTTON_04 AT91C_PIO_PB26 | ||
29 | #define BUTTON_05 AT91C_PIO_PB25 | ||
30 | #define BUTTON_06 AT91C_PIO_PB24 | ||
31 | #define BUTTON_07 AT91C_PIO_PB22 | ||
32 | #define BUTTON_08 AT91C_PIO_PB23 | ||
33 | |||
34 | void button_init_device(void) | ||
35 | { | ||
36 | /* Enable the periph clock for the PIO controller */ | ||
37 | /* This is mandatory when PIO are configured as input */ | ||
38 | AT91C_PMC_PCER = (1 << AT91C_ID_PIOB); | ||
39 | |||
40 | /* Set the PIO line in input */ | ||
41 | AT91C_PIOB_ODR = (BUTTON_01 | | ||
42 | BUTTON_02 | | ||
43 | BUTTON_03 | | ||
44 | BUTTON_04 | | ||
45 | BUTTON_05 | | ||
46 | BUTTON_06 | | ||
47 | BUTTON_07 | | ||
48 | BUTTON_08); | ||
49 | |||
50 | /* Set the PIO controller in PIO mode instead of peripheral mode */ | ||
51 | AT91C_PIOB_PER = (BUTTON_01 | | ||
52 | BUTTON_02 | | ||
53 | BUTTON_03 | | ||
54 | BUTTON_04 | | ||
55 | BUTTON_05 | | ||
56 | BUTTON_06 | | ||
57 | BUTTON_07 | | ||
58 | BUTTON_08); | ||
59 | } | ||
60 | |||
61 | bool button_hold(void) | ||
62 | { | ||
63 | return (0); | ||
64 | } | ||
65 | |||
66 | /* | ||
67 | * Get button pressed from hardware | ||
68 | */ | ||
69 | int button_read_device(void) | ||
70 | { | ||
71 | uint32_t buttons = AT91C_PIOB_PDSR; | ||
72 | uint32_t ret = 0; | ||
73 | |||
74 | if ((buttons & BUTTON_01) == 0) | ||
75 | ret |= BUTTON_UP; | ||
76 | |||
77 | if ((buttons & BUTTON_02) == 0) | ||
78 | ret |= BUTTON_RIGHT; | ||
79 | |||
80 | if ((buttons & BUTTON_03) == 0) | ||
81 | ret |= BUTTON_PLAY; | ||
82 | |||
83 | if ((buttons & BUTTON_04) == 0) | ||
84 | ret |= BUTTON_SELECT; | ||
85 | |||
86 | if ((buttons & BUTTON_05) == 0) | ||
87 | ret |= BUTTON_LEFT; | ||
88 | |||
89 | if ((buttons & BUTTON_06) == 0) | ||
90 | ret |= BUTTON_DOWN; | ||
91 | |||
92 | if ((buttons & BUTTON_07) == 0) | ||
93 | ret |= BUTTON_STOP; | ||
94 | |||
95 | if ((buttons & BUTTON_08) == 0) | ||
96 | ret |= BUTTON_MENU; | ||
97 | |||
98 | return ret; | ||
99 | } | ||