InterruptEnabler.h

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 * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de>
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#ifndef __InterruptEnabler_h__
#define __InterruptEnabler_h__

#ifdef __AVR__
#include <avr/io.h>
    typedef uint8_t storage;
#else
    typedef uint32_t storage;
#endif

namespace famouso {
    namespace mw {
        namespace nl {
            namespace CAN {
                namespace etagBP {

                    class InterruptEnabler {
                            storage _ints;
                        public:
                            InterruptEnabler();

                            ~InterruptEnabler();

                            void process();
                    };

#ifdef __AVR__
                    inline InterruptEnabler::InterruptEnabler() : _ints(SREG) {
                        sei();
                    }

                    inline InterruptEnabler::~InterruptEnabler(){
                        SREG=_ints;
                    }

                    inline void InterruptEnabler::process() {
                        // nothing to do here, because interrupts are allowed
                        // and the core is driven that way on AVRs
                    }
#endif
                }
            } /* namespace CAN */
        } /* namespace nl */
    } /* namespace mw */
} /* namespace famouso */


#endif