29 lines
937 B
C
29 lines
937 B
C
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/*
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* digital.h
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*
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* Lightweight macro implementation of Arduino style pin numbering
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* for AVR microprocessors. Because only thing I want to use from
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* Arduino libraries is the pin numbering scheme.
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*
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* This file taken 99% from the excellent ArduinoLite project by
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* Shikai Chen <csk@live.com>. Some minor changes to suite my personal
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* coding taste.
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*
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* http://code.google.com/p/arduino-lite/
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* http://www.csksoft.net/
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*
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* Copyright (c) 2010-2011 Shikai Chen
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*
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* Licensed under the LGPL 2.1 license:
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* http://www.opensource.org/licenses/lgpl-2.1.php
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*/
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#ifndef DIGITAL_H
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#define DIGITAL_H
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#include "pins.h"
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#define digital_read(pin) EXPAND_WRAPPER(_D_READ, ARDUINOPIN_TO_PORTID(pin), ARDUINOPIN_TO_PORTMSK(pin) )
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#define digital_read_raw(pin) EXPAND_WRAPPER(_D_READ_RAW, ARDUINOPIN_TO_PORTID(pin), ARDUINOPIN_TO_PORTMSK(pin) )
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#define digital_write(pin, val) D_WRITE_##val(pin)
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#endif /* DIGITAL_H */
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