source: SVN/rincon/u-boot/board/atmel/at91sam9rlek/led.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 2 years ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.9 KB
Line 
1/*
2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian.pop@leadtechdesign.com>
4 * Lead Tech Design <www.leadtechdesign.com>
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25#include <common.h>
26#include <asm/arch/at91sam9rl.h>
27#include <asm/arch/at91_pmc.h>
28#include <asm/arch/gpio.h>
29#include <asm/arch/io.h>
30
31#define RED_LED         AT91_PIN_PD14   /* this is the power led */
32#define GREEN_LED       AT91_PIN_PD15   /* this is the user1 led */
33#define YELLOW_LED      AT91_PIN_PD16   /* this is the user2 led */
34
35void red_LED_on(void)
36{
37        at91_set_gpio_value(RED_LED, 1);
38}
39
40void red_LED_off(void)
41{
42        at91_set_gpio_value(RED_LED, 0);
43}
44
45void green_LED_on(void)
46{
47        at91_set_gpio_value(GREEN_LED, 0);
48}
49
50void green_LED_off(void)
51{
52        at91_set_gpio_value(GREEN_LED, 1);
53}
54
55void yellow_LED_on(void)
56{
57        at91_set_gpio_value(YELLOW_LED, 0);
58}
59
60void yellow_LED_off(void)
61{
62        at91_set_gpio_value(YELLOW_LED, 1);
63}
64
65void coloured_LED_init(void)
66{
67        /* Enable clock */
68        at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD);
69
70        at91_set_gpio_output(RED_LED, 1);
71        at91_set_gpio_output(GREEN_LED, 1);
72        at91_set_gpio_output(YELLOW_LED, 1);
73
74        at91_set_gpio_value(RED_LED, 0);
75        at91_set_gpio_value(GREEN_LED, 1);
76        at91_set_gpio_value(YELLOW_LED, 1);
77}
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