aboutsummaryrefslogtreecommitdiff
path: root/kernel/ctrl.c
blob: 3d26f07594fd2116fdc7d0d4a5437c8ed7e92fae (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
44
45
46
47
48
49
50
51
/* $Id$ */
/*
 * Copyright (c) 2011 Dimitri Sokolyuk <demon@dim13.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <stdint.h>
#include <avr/io.h>
#include <stdio.h>
#include "kernel.h"
#include "tasks.h"

void
ctrl(void *arg)
{
	int c;

	for (;;) {
		c = fgetc(stdin);

		switch (c) {
		case '-':
			reboot();
			break;
		case 'n':
			fprintf(stdout, "\r%ld\n", now());
			break;
		case 'r':
			fprintf(stdout, "\r%d\n", rqlen());
			break;
		case 't':
			fprintf(stdout, "\r%d\n", running());
			break;
		default:
			break;
		}

		yield();
	}
}