45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (C) 2019 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
|
|
|
|
/**
|
|
* HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
|
|
*/
|
|
|
|
#include <libmaple/iwdg.h>
|
|
|
|
/**
|
|
* The watchdog clock is 40Khz. We need a 4 seconds interval, so use a /256 preescaler and
|
|
* 625 reload value (counts down to 0)
|
|
* use 1250 for 8 seconds
|
|
*/
|
|
#define STM32F1_WD_RELOAD 625
|
|
|
|
// Arduino STM32F1 core now has watchdog support
|
|
|
|
// Initialize watchdog with a 4 second countdown time
|
|
void watchdog_init();
|
|
|
|
// Reset watchdog. MUST be called at least every 4 seconds after the
|
|
// first watchdog_init or STM32F1 will reset.
|
|
void watchdog_reset();
|