altos/lambdakey-v1.0: Get this building again
[fw/altos] / src / lambdakey-v1.0 / ao_scheme_os.h
1 /*
2  * Copyright © 2016 Keith Packard <keithp@keithp.com>
3  *
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.
7  *
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.
12  *
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.
16  */
17
18 #ifndef _AO_SCHEME_OS_H_
19 #define _AO_SCHEME_OS_H_
20
21 #include "ao.h"
22
23 #undef AO_SCHEME_FEATURE_FLOAT
24 #undef AO_SCHEME_FEATURE_VECTOR
25 #undef AO_SCHEME_FEATURE_QUASI
26 #undef AO_SCHEME_FEATURE_BIGINT
27
28 #define AO_SCHEME_POOL          4096
29 #define AO_SCHEME_TOKEN_MAX     64
30
31 #ifndef __BYTE_ORDER
32 #define __LITTLE_ENDIAN 1234
33 #define __BIG_ENDIAN    4321
34 #define __BYTE_ORDER    __LITTLE_ENDIAN
35 #endif
36
37 static inline int
38 ao_scheme_getc() {
39         static uint8_t  at_eol;
40         int c;
41
42         if (at_eol) {
43                 ao_cmd_readline();
44                 at_eol = 0;
45         }
46         c = ao_cmd_lex();
47         if (c == '\n')
48                 at_eol = 1;
49         return c;
50 }
51
52 static inline void
53 ao_scheme_os_flush(void)
54 {
55         flush();
56 }
57
58 static inline void
59 ao_scheme_abort(void)
60 {
61         ao_panic(1);
62 }
63
64 static inline void
65 ao_scheme_os_led(int led)
66 {
67         ao_led_set(led);
68 }
69
70 #define AO_SCHEME_JIFFIES_PER_SECOND    AO_HERTZ
71
72 static inline void
73 ao_scheme_os_delay(int delay)
74 {
75         ao_delay(delay);
76 }
77
78 static inline int
79 ao_scheme_os_jiffy(void)
80 {
81         return ao_tick_count;
82 }
83 #endif