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//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
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