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@ -21,9 +21,10 @@
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*/
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/**
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This code contributed by Triffid_Hunter and modified by Kliment
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why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
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*/
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* Fast I/O Routines for SAM3X8E
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* Use direct port manipulation to save scads of processor time.
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* Contributed by Triffid_Hunter and modified by Kliment, thinkyhead, Bob-the-Kuhn, et.al.
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*/
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/**
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* Description: Fast IO functions for Arduino Due and compatible (SAM3X8E)
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@ -35,17 +36,20 @@
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#define _FASTIO_DUE_H
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/**
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utility functions
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*/
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* Utility functions
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*/
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#ifndef MASK
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#define MASK(PIN) (1 << PIN)
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#endif
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/**
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magic I/O routines
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now you can simply SET_OUTPUT(STEP); WRITE(STEP, 1); WRITE(STEP, 0);
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*/
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* Magic I/O routines
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*
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* Now you can simply SET_OUTPUT(STEP); WRITE(STEP, HIGH); WRITE(STEP, LOW);
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*
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* Why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
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*/
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/// Read a pin
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#define _READ(IO) ((bool)(DIO ## IO ## _WPORT -> PIO_PDSR & (MASK(DIO ## IO ## _PIN))))
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@ -80,8 +84,6 @@
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/// check if pin is an timer
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#define _GET_TIMER(IO)
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// why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
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/// Read a pin wrapper
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#define READ(IO) _READ(IO)
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@ -111,10 +113,9 @@
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#define OUT_WRITE(IO, v) { SET_OUTPUT(IO); WRITE(IO, v); }
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/**
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ports and functions
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added as necessary or if I feel like it- not a comprehensive list!
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*/
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* Ports and functions
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* Added as necessary or if I feel like it- not a comprehensive list!
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*/
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// UART
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#define RXD DIO0
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@ -125,8 +126,8 @@
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#define SDA DIO20
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/**
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pins
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*/
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* pins
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*/
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#define DIO0_PIN 8
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#define DIO0_WPORT PIOA
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@ -1,20 +1,20 @@
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/*
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Copyright (c) 2013 Arduino LLC. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* Copyright (c) 2013 Arduino LLC. All right reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* Defines for 16 bit timers used with Servo library
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