Contiki-NG
int-master.c
1 /*
2  * Copyright (c) 2018, George Oikonomou - http://www.spd.gr
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the copyright holder nor the names of its
15  * contributors may be used to endorse or promote products derived
16  * from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
29  * OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 /*---------------------------------------------------------------------------*/
32 #include "contiki.h"
33 #include "sys/int-master.h"
34 
35 #include <stdbool.h>
36 /*---------------------------------------------------------------------------*/
37 #define DISABLED 0
38 #define ENABLED 1
39 /*---------------------------------------------------------------------------*/
40 static int_master_status_t stat = DISABLED;
41 /*---------------------------------------------------------------------------*/
42 void
44 {
45  stat = ENABLED;
46 }
47 /*---------------------------------------------------------------------------*/
50 {
51  int_master_status_t rv = stat;
52  stat = DISABLED;
53  return rv;
54 }
55 /*---------------------------------------------------------------------------*/
56 void
58 {
59  stat = status;
60 }
61 /*---------------------------------------------------------------------------*/
62 bool
64 {
65  return stat == DISABLED ? false : true;
66 }
67 /*---------------------------------------------------------------------------*/
bool int_master_is_enabled(void)
Retrieve the status of the master interrupt.
Definition: int-master.c:74
void int_master_enable(void)
Enable the master interrupt.
Definition: int-master.c:52
INT_MASTER_STATUS_DATATYPE int_master_status_t
Master interrupt state representation data type.
Definition: int-master.h:62
void int_master_status_set(int_master_status_t status)
Set the status of the master interrupt.
Definition: int-master.c:68
int_master_status_t int_master_read_and_disable(void)
Disable the master interrupt.
Definition: int-master.c:58