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