summaryrefslogtreecommitdiff
path: root/board/fads/lamp.c
blob: b12147740e4c1e3fd773a4c8cea25d2a7e46f491 (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
#include <config.h>
#include <common.h>

void
signal_delay(unsigned int n)
{
  while (n--);
}

void
signal_on(void)
{
  *((volatile uint *)BCSR4) &= ~(1<<(31-3)); /* led on */
}

void
signal_off(void)
{
  *((volatile uint *)BCSR4) |= (1<<(31-3)); /* led off */
}

void
slow_blink(unsigned int n)
{
  while (n--) {
    signal_on();
    signal_delay(0x00400000);
    signal_off();
    signal_delay(0x00400000);
  }
}

void
fast_blink(unsigned int n)
{
  while (n--) {
    signal_on();
    signal_delay(0x00100000);
    signal_off();
    signal_delay(0x00100000);
  }
}