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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian.pop@leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/arch/at91sam9263.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/io.h>
#define RED_LED AT91_PIN_PB7 /* this is the power led */
#define GREEN_LED AT91_PIN_PB8 /* this is the user1 led */
#define YELLOW_LED AT91_PIN_PC29 /* this is the user2 led */
void red_LED_on(void)
{
at91_set_gpio_value(RED_LED, 1);
}
void red_LED_off(void)
{
at91_set_gpio_value(RED_LED, 0);
}
void green_LED_on(void)
{
at91_set_gpio_value(GREEN_LED, 0);
}
void green_LED_off(void)
{
at91_set_gpio_value(GREEN_LED, 1);
}
void yellow_LED_on(void)
{
at91_set_gpio_value(YELLOW_LED, 0);
}
void yellow_LED_off(void)
{
at91_set_gpio_value(YELLOW_LED, 1);
}
void coloured_LED_init(void)
{
/* Enable clock */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOB |
1 << AT91SAM9263_ID_PIOCDE);
at91_set_gpio_output(RED_LED, 1);
at91_set_gpio_output(GREEN_LED, 1);
at91_set_gpio_output(YELLOW_LED, 1);
at91_set_gpio_value(RED_LED, 0);
at91_set_gpio_value(GREEN_LED, 1);
at91_set_gpio_value(YELLOW_LED, 1);
}
|