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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#pragma once
/**
* Fast I/O Routines for X86_64
*/
#include "../shared/Marduino.h"
#include <pinmapping.h>
#define SET_DIR_INPUT(IO) Gpio::setDir(IO, 1)
#define SET_DIR_OUTPUT(IO) Gpio::setDir(IO, 0)
#define SET_MODE(IO, mode) Gpio::setMode(IO, mode)
#define WRITE_PIN_SET(IO) Gpio::set(IO)
#define WRITE_PIN_CLR(IO) Gpio::clear(IO)
#define READ_PIN(IO) Gpio::get(IO)
#define WRITE_PIN(IO,V) Gpio::set(IO, V)
/**
* Magic I/O routines
*
* Now you can simply SET_OUTPUT(STEP); WRITE(STEP, HIGH); WRITE(STEP, LOW);
*
* Why double up on these macros? see https://gcc.gnu.org/onlinedocs/gcc-4.8.5/cpp/Stringification.html
*/
/// Read a pin
#define _READ(IO) READ_PIN(IO)
/// Write to a pin
#define _WRITE(IO,V) WRITE_PIN(IO,V)
/// toggle a pin
#define _TOGGLE(IO) _WRITE(IO, !READ(IO))
/// set pin as input
#define _SET_INPUT(IO) SET_DIR_INPUT(IO)
/// set pin as output
#define _SET_OUTPUT(IO) SET_DIR_OUTPUT(IO)
/// set pin as input with pullup mode
#define _PULLUP(IO,V) pinMode(IO, (V) ? INPUT_PULLUP : INPUT)
/// set pin as input with pulldown mode
#define _PULLDOWN(IO,V) pinMode(IO, (V) ? INPUT_PULLDOWN : INPUT)
// hg42: all pins can be input or output (I hope)
// hg42: undefined pins create compile error (IO, is no pin)
// hg42: currently not used, but was used by pinsDebug
/// check if pin is an input
#define _IS_INPUT(IO) (LPC1768_PIN_PIN(IO) >= 0)
/// check if pin is an output
#define _IS_OUTPUT(IO) (LPC1768_PIN_PIN(IO) >= 0)
/// Read a pin wrapper
#define READ(IO) _READ(IO)
/// Write to a pin wrapper
#define WRITE(IO,V) _WRITE(IO,V)
/// toggle a pin wrapper
#define TOGGLE(IO) _TOGGLE(IO)
/// set pin as input wrapper
#define SET_INPUT(IO) _SET_INPUT(IO)
/// set pin as input with pullup wrapper
#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
/// set pin as input with pulldown wrapper
#define SET_INPUT_PULLDOWN(IO) do{ _SET_INPUT(IO); _PULLDOWN(IO, HIGH); }while(0)
/// set pin as output wrapper - reads the pin and sets the output to that value
#define SET_OUTPUT(IO) do{ _WRITE(IO, _READ(IO)); _SET_OUTPUT(IO); }while(0)
// set pin as PWM
#define SET_PWM(IO) SET_OUTPUT(IO)
/// check if pin is an input wrapper
#define IS_INPUT(IO) _IS_INPUT(IO)
/// check if pin is an output wrapper
#define IS_OUTPUT(IO) _IS_OUTPUT(IO)
// Shorthand
#define OUT_WRITE(IO,V) do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
// digitalRead/Write wrappers
#define extDigitalRead(IO) digitalRead(IO)
#define extDigitalWrite(IO,V) digitalWrite(IO,V)
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