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diff --git a/Marlin/src/HAL/LINUX/include/Arduino.h b/Marlin/src/HAL/LINUX/include/Arduino.h
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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
+
+#include <stddef.h>
+#include <stdint.h>
+#include <math.h>
+#include <cstring>
+
+#include <pinmapping.h>
+
+#define HIGH         0x01
+#define LOW          0x00
+
+#define INPUT          0x00
+#define OUTPUT         0x01
+#define INPUT_PULLUP   0x02
+#define INPUT_PULLDOWN 0x03
+
+#define LSBFIRST     0
+#define MSBFIRST     1
+
+#define CHANGE       0x02
+#define FALLING      0x03
+#define RISING       0x04
+
+typedef uint8_t byte;
+#define PROGMEM
+#define PSTR(v) (v)
+#define PGM_P const char *
+
+// Used for libraries, preprocessor, and constants
+#define abs(x) ((x)>0?(x):-(x))
+
+#ifndef isnan
+  #define isnan std::isnan
+#endif
+#ifndef isinf
+  #define isinf std::isinf
+#endif
+
+#define sq(v) ((v) * (v))
+#define square(v) sq(v)
+#define constrain(value, arg_min, arg_max) ((value) < (arg_min) ? (arg_min) :((value) > (arg_max) ? (arg_max) : (value)))
+
+//Interrupts
+void cli(); // Disable
+void sei(); // Enable
+void attachInterrupt(uint32_t pin, void (*callback)(), uint32_t mode);
+void detachInterrupt(uint32_t pin);
+
+extern "C" {
+  void GpioEnableInt(uint32_t port, uint32_t pin, uint32_t mode);
+  void GpioDisableInt(uint32_t port, uint32_t pin);
+}
+
+// Time functions
+extern "C" void delay(const int milis);
+void _delay_ms(const int delay);
+void delayMicroseconds(unsigned long);
+uint32_t millis();
+
+//IO functions
+void pinMode(const pin_t, const uint8_t);
+void digitalWrite(pin_t, uint8_t);
+bool digitalRead(pin_t);
+void analogWrite(pin_t, int);
+uint16_t analogRead(pin_t);
+
+int32_t random(int32_t);
+int32_t random(int32_t, int32_t);
+void randomSeed(uint32_t);
+
+char *dtostrf(double __val, signed char __width, unsigned char __prec, char *__s);
+
+int map(uint16_t x, uint16_t in_min, uint16_t in_max, uint16_t out_min, uint16_t out_max);