58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
|
/**
|
||
|
|
* 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/>.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef STM32F4
|
||
|
|
|
||
|
|
#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
|