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#pragma once
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#include <avr/io.h>
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#define cycles(us) (F_CPU * (long long)(us) / 1000000)
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#define cbi(sfr, bit) (sfr &= ~_BV(bit))
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#define sbi(sfr, bit) (sfr |= _BV(bit))
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// Stupid definitions for handling pins.
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#define _pin(port, pin) PORT ## port ## pin
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#define _port(port, pin) PORT ## port
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#define pin(pin) _BV(_pin(pin))
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#define port(pin) _port(pin)
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#define LOW 0
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#define HIGH 1
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#define OUTPUT 1
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#define INPUT 0
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#define _pinmode(port, pin, x) if (x) { sbi(DDR ## port, DD ## port ## pin); } else { cbi(DDR ## port, DD ## port ## pin); }
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#define pinmode(pin, x) _pinmode(pin, x)
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#define _writepin(port, pin, x) if (x) { sbi(PORT ## port, PORT ## port ## pin); } else { cbi(PORT ## port, PORT ## port ## pin); }
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#define writepin(pin, x) _writepin(pin, x)
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#define _readpin(port, pin) ((PIN ## port >> PORT ## port ## pin) & 1)
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#define readpin(pin) _readpin(pin)
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