2 * Copyright © 2016 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 #ifndef _AO_SCHEME_OS_H_
19 #define _AO_SCHEME_OS_H_
25 #define AO_SCHEME_POOL_TOTAL 4096
26 #define AO_SCHEME_SAVE 1
28 extern int ao_scheme_getc(void);
31 ao_scheme_os_flush(void) {
42 ao_scheme_os_led(int led)
44 printf("leds set to 0x%x\n", led);
47 #define AO_SCHEME_JIFFIES_PER_SECOND 100
50 ao_scheme_os_delay(int jiffies)
52 struct timespec ts = {
53 .tv_sec = jiffies / AO_SCHEME_JIFFIES_PER_SECOND,
54 .tv_nsec = (jiffies % AO_SCHEME_JIFFIES_PER_SECOND) * (1000000000L / AO_SCHEME_JIFFIES_PER_SECOND)
60 ao_scheme_os_jiffy(void)
63 clock_gettime(CLOCK_MONOTONIC, &tp);
64 return tp.tv_sec * AO_SCHEME_JIFFIES_PER_SECOND + (tp.tv_nsec / (1000000000L / AO_SCHEME_JIFFIES_PER_SECOND));