blob: a4889b92fba0e07c354090ea3f9eb371320f1e3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* Copyright 2013 Google Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <assert.h>
#include <cpu/ti/am335x/gpio.h>
#include <stdlib.h>
#include "leds.h"
static const int led_gpios[BEAGLEBONE_LED_COUNT] = {
[BEAGLEBONE_LED_USR0] = AM335X_GPIO_BITS_PER_BANK + 21,
[BEAGLEBONE_LED_USR1] = AM335X_GPIO_BITS_PER_BANK + 22,
[BEAGLEBONE_LED_USR2] = AM335X_GPIO_BITS_PER_BANK + 23,
[BEAGLEBONE_LED_USR3] = AM335X_GPIO_BITS_PER_BANK + 24
};
void beaglebone_leds_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(led_gpios); i++)
gpio_direction_output(led_gpios[i], 0);
}
void beaglebone_leds_set(enum beaglebone_led led, int on)
{
int res;
ASSERT(led < ARRAY_SIZE(led_gpios) && led_gpios[led]);
res = gpio_set_value(led_gpios[led], on);
ASSERT(res != -1);
}
|
