blob: d9c0035946637cf0b6c39d40b955a13d85a12524 (
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
|
// Copyright 20010 Alex Norman
// writen by Alex Norman
//
// This file is part of avr-bytequeue.
//
// avr-bytequeue is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
//(at your option) any later version.
//
// avr-bytequeue is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with avr-bytequeue. If not, see <http://www.gnu.org/licenses/>.
// AVR specific code
// should be able to port to other systems by simply providing chip specific
// implementations of the typedef and these functions
#include "interrupt_setting.h"
#if defined(__AVR__)
# include <avr/interrupt.h>
interrupt_setting_t store_and_clear_interrupt(void) {
uint8_t sreg = SREG;
cli();
return sreg;
}
void restore_interrupt_setting(interrupt_setting_t setting) {
SREG = setting;
}
#elif defined(__arm__)
# include <ch.h>
interrupt_setting_t store_and_clear_interrupt(void) {
chSysLock();
return 0;
}
void restore_interrupt_setting(interrupt_setting_t setting) {
chSysUnlock();
}
#endif
|
