Marlin 2.0 for Flying Bear 4S/5
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/**
* 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/>.
*
*/
#if defined(STM32F4) || defined(STM32F4xx)
#include "../../inc/MarlinConfig.h"
#if ENABLED(USE_WATCHDOG)
#include "watchdog_STM32F4.h"
IWDG_HandleTypeDef hiwdg;
void watchdog_init() {
hiwdg.Instance = IWDG;
hiwdg.Init.Prescaler = IWDG_PRESCALER_32; //32kHz LSI clock and 32x prescalar = 1024Hz IWDG clock
hiwdg.Init.Reload = 4095; //4095 counts = 4 seconds at 1024Hz
if (HAL_IWDG_Init(&hiwdg) != HAL_OK) {
//Error_Handler();
}
}
void watchdog_reset() {
/* Refresh IWDG: reload counter */
if (HAL_IWDG_Refresh(&hiwdg) != HAL_OK) {
/* Refresh Error */
//Error_Handler();
}
else {
#if PIN_EXISTS(LED)
TOGGLE(LED_PIN); // heart beat indicator
#endif
}
}
#endif // USE_WATCHDOG
#endif // STM32F4 || STM32F4xx