2ec4113cb2
Some to correct missing files from previous PR to completely avoid HardwareTimer Class (reduce overhead). Some changes to formatting. Changes to DMA ADC to work correctly. Change to F1 sanity check.
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
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*/
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#ifndef WATCHDOG_STM32F1_H
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#define WATCHDOG_STM32F1_H
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#include <libmaple/iwdg.h>
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#include "../../../src/inc/MarlinConfig.h"
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/**
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* The watchdog clock is 40Khz. We need a 4 seconds interval, so use a /256 preescaler and
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* 625 reload value (counts down to 0)
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* use 1250 for 8 seconds
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*/
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#define STM32F1_WD_RELOAD 625
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// Arduino STM32F1 core now has watchdog support
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// Initialize watchdog with a 4 second countdown time
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void watchdog_init();
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// Reset watchdog. MUST be called at least every 4 seconds after the
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// first watchdog_init or STM32F1 will reset.
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inline void watchdog_reset() {
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#if PIN_EXISTS(LED)
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TOGGLE(LED_PIN); // heart beat indicator
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#endif
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iwdg_feed();
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}
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#endif // WATCHDOG_STM32F1_H
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