48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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/**
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* InterruptVectors_Due.h
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*
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* Copyright (c) 2017 Eduardo José Tagle. All right reserved
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*
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* This module relocates the Interrupt vector table to SRAM, allowing new
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* interrupt handlers to be added at runtime. This is required because the
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* Arduino runtime steals interrupt handlers that Marlin MUST use to support
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* extended functionality such as USB hosts and USB devices (MSD, MTP) and
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* custom serial port handlers. Rather than modifying and/or recompiling the
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* Arduino runtime, We just want to run as much as possible on Stock Arduino.
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*
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* Copyright (c) 2017 Eduardo José Tagle. All right reserved
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*/
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#ifdef ARDUINO_ARCH_SAM
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// ISR handler type
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typedef void (*pfnISR_Handler)(void);
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// Install a new interrupt vector handler for the given irq, returning the old one
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pfnISR_Handler install_isr(IRQn_Type irq, pfnISR_Handler newHandler);
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#endif // ARDUINO_ARCH_SAM
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