Firmware2/Marlin/src/HAL/HAL_STM32F1/watchdog_STM32F1.h
Phr3d13 01f75591c6 Fix GTM32_PRO_VB Serial and HAL via watchdog (#12753)
Move `watchdog_reset` from `.h` to `.cpp` to eliminate the need to include `MarlinConfig.h` in a HAL-related file.
2019-01-03 09:46:49 -06:00

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1.4 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/>.
*
*/
#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();