diff options
Diffstat (limited to 'firmware/target/hosted/ypr0/gpio_ypr0.c')
-rw-r--r-- | firmware/target/hosted/ypr0/gpio_ypr0.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/firmware/target/hosted/ypr0/gpio_ypr0.c b/firmware/target/hosted/ypr0/gpio_ypr0.c new file mode 100644 index 0000000000..9c3f186a6b --- /dev/null +++ b/firmware/target/hosted/ypr0/gpio_ypr0.c | |||
@@ -0,0 +1,54 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id: ascodec-target.h 26116 2010-05-17 20:53:25Z funman $ | ||
9 | * | ||
10 | * Module wrapper for GPIO, using /dev/r0GPIO (r0Gpio.ko) of Samsung YP-R0 | ||
11 | * | ||
12 | * Copyright (c) 2011 Lorenzo Miori | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
20 | * KIND, either express or implied. | ||
21 | * | ||
22 | ****************************************************************************/ | ||
23 | |||
24 | #include <stdio.h> | ||
25 | #include <unistd.h> | ||
26 | #include <fcntl.h> | ||
27 | #include <gpio_ypr0.h> /* includes r0GPIOioctl.h */ | ||
28 | #include <sys/ioctl.h> | ||
29 | |||
30 | static int r0_gpio_dev = 0; | ||
31 | |||
32 | void gpio_init(void) | ||
33 | { | ||
34 | r0_gpio_dev = open("/dev/r0GPIO", O_RDONLY); | ||
35 | if (r0_gpio_dev < 0) | ||
36 | printf("/dev/r0GPIO open error!"); | ||
37 | } | ||
38 | |||
39 | void gpio_close(void) | ||
40 | { | ||
41 | if (r0_gpio_dev < 0) | ||
42 | close(r0_gpio_dev); | ||
43 | } | ||
44 | |||
45 | int gpio_control_struct(int request, R0GPIOInfo r) | ||
46 | { | ||
47 | return ioctl(r0_gpio_dev, request, &r); | ||
48 | } | ||
49 | |||
50 | int gpio_control(int request, int num, int mode, int val) | ||
51 | { | ||
52 | R0GPIOInfo r = { .num = num, .mode = mode, .val = val, }; | ||
53 | return ioctl(r0_gpio_dev, request, &r); | ||
54 | } \ No newline at end of file | ||