/** * 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 . * */ #if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC) && !defined(MAPLE_STM32F1) #include "../../inc/MarlinConfigPre.h" #if ENABLED(USE_WATCHDOG) #define WDT_TIMEOUT_US TERN(WATCHDOG_DURATION_8S, 8000000, 4000000) // 4 or 8 second timeout #include "../../inc/MarlinConfig.h" #include "watchdog.h" #include void watchdog_init() { #if DISABLED(DISABLE_WATCHDOG_INIT) IWatchdog.begin(WDT_TIMEOUT_US); #endif } void HAL_watchdog_refresh() { IWatchdog.reload(); #if DISABLED(PINS_DEBUGGING) && PIN_EXISTS(LED) TOGGLE(LED_PIN); // heartbeat indicator #endif } #endif // USE_WATCHDOG #endif // ARDUINO_ARCH_STM32 && !STM32GENERIC && !MAPLE_STM32F1