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/SAMD51/watchdog.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Marlin/src/HAL/SAMD51/watchdog.h (limited to 'Marlin/src/HAL/SAMD51/watchdog.h') diff --git a/Marlin/src/HAL/SAMD51/watchdog.h b/Marlin/src/HAL/SAMD51/watchdog.h new file mode 100644 index 0000000..2cd4788 --- /dev/null +++ b/Marlin/src/HAL/SAMD51/watchdog.h @@ -0,0 +1,31 @@ +/** + * Marlin 3D Printer Firmware + * + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician) + * + * 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 + +// Initialize watchdog with a 4 second interrupt time +void watchdog_init(); + +// Reset watchdog. MUST be called at least every 4 seconds after the +// first watchdog_init or SAMD will go into emergency procedures. +inline void HAL_watchdog_refresh() { + SYNC(WDT->SYNCBUSY.bit.CLEAR); // Test first if previous is 'ongoing' to save time waiting for command execution + WDT->CLEAR.reg = WDT_CLEAR_CLEAR_KEY; +} -- cgit v1.2.3