Marlin_Firmware/Marlin/src/HAL/HAL_LPC1768/watchdog.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
 *
 */
#pragma once

#define RST_POWER_ON   1
#define RST_EXTERNAL   2
#define RST_BROWN_OUT  4
#define RST_WATCHDOG   8

#define WDT_TIMEOUT   4000000 // 4 second timeout

void watchdog_init(void);
void watchdog_reset(void);
void HAL_clear_reset_source(void);
uint8_t HAL_get_reset_source(void);