Firmware2/Marlin/src/HAL/STM32/watchdog.cpp

50 lines
1.5 KiB
C++

/**
* 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 <https://www.gnu.org/licenses/>.
*
*/
#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 <IWatchdog.h>
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