/** * 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 . * */ #ifdef __IMXRT1062__ #include "../../inc/MarlinConfig.h" #if ENABLED(USE_WATCHDOG) #include "watchdog.h" // 4 seconds timeout #define WDTO 4 //seconds uint8_t timeoutval = (WDTO - 0.5f) / 0.5f; void watchdog_init() { CCM_CCGR3 |= CCM_CCGR3_WDOG1(3); // enable WDOG1 clocks WDOG1_WMCR = 0; // disable power down PDE WDOG1_WCR |= WDOG_WCR_SRS | WDOG_WCR_WT(timeoutval); WDOG1_WCR |= WDOG_WCR_WDE | WDOG_WCR_WDT | WDOG_WCR_SRE; } void HAL_watchdog_refresh() { // Watchdog refresh sequence WDOG1_WSR = 0x5555; WDOG1_WSR = 0xAAAA; } #endif // USE_WATCHDOG #endif // __IMXRT1062__