23 أسطر
698 B
C
23 أسطر
698 B
C
// Support for the 8-pin ATtiny25/45/85
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#ifdef EI_SECTION_ENABLEEXTERNAL
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// NO switch (arduinoPin) { // ONLY 1 External Interrupt pin.
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#ifndef EI_NOTINT0
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GIMSK &= ~_BV(6);
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#ifndef NEEDFORSPEED
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externalFunctionPointer = userFunction;
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#endif
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MCUCR &= (~_BV(0) & ~_BV(1)); // reset the flags prior to
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MCUCR |= mode; // set them the way we want
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GIFR |= _BV(6);
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GIMSK |= _BV(6);
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#endif // ! defined (EI_NOTINT0)
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#endif // EI_SECTION_ENABLEEXTERNAL
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#ifdef EI_SECTION_DISABLEEXTERNAL
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#ifndef EI_NOTINT0
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GIMSK &= ~_BV(6);
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GIFR |= _BV(6); // using a clue from the ATmega2560 datasheet.
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MCUCR &= (~_BV(0) & ~_BV(1));
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#endif
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#endif // EI_SECTION_DISABLEEXTERNAL
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