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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
/**
* InterruptVectors_Due.h
*
* This module relocates the Interrupt vector table to SRAM, allowing new
* interrupt handlers to be added at runtime. This is required because the
* Arduino runtime steals interrupt handlers that Marlin MUST use to support
* extended functionality such as USB hosts and USB devices (MSD, MTP) and
* custom serial port handlers. Rather than modifying and/or recompiling the
* Arduino runtime, We just want to run as much as possible on Stock Arduino.
*
* Copyright (c) 2017 Eduardo José Tagle. All right reserved
*/
#ifdef ARDUINO_ARCH_SAM
// ISR handler type
typedef void (*pfnISR_Handler)();
// Install a new interrupt vector handler for the given irq, returning the old one
pfnISR_Handler install_isr(IRQn_Type irq, pfnISR_Handler newHandler);
#endif // ARDUINO_ARCH_SAM
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