From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001 From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com> Date: Thu, 4 Mar 2021 22:54:23 +0500 Subject: Initial commit --- Marlin/src/HAL/DUE/InterruptVectors.h | 45 +++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Marlin/src/HAL/DUE/InterruptVectors.h (limited to 'Marlin/src/HAL/DUE/InterruptVectors.h') diff --git a/Marlin/src/HAL/DUE/InterruptVectors.h b/Marlin/src/HAL/DUE/InterruptVectors.h new file mode 100644 index 0000000..6faeb34 --- /dev/null +++ b/Marlin/src/HAL/DUE/InterruptVectors.h @@ -0,0 +1,45 @@ +/** + * 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 . + * + */ +#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 -- cgit v1.2.3