44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Reflow Oven Controller
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*
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* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of the Reflow Oven Controller Project.
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*
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* The reflow oven controller is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* The Reflow Oven Control Firmware 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 the reflow oven controller project.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __WATCHDOG_H__
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#define __WATCHDOG_H__
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#include <reflow-controller/safety/safety-config.h>
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#include <stdint.h>
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#include <stdbool.h>
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/**
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* @brief Setup the watchdog for the safety controller
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* @param Prescaler to use for the 32 KHz LSI clock
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* @return 0 if successful
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* @note Once the watchdog is enabled, it cannot be turned off!
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*/
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int watchdog_setup(uint8_t prescaler);
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/**
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* @brief Reset watchdog counter
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* @param magic Magic value to prevent this fuinction from being called randomly
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* @return 0 if successful
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*/
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int watchdog_ack(uint32_t magic);
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#endif /* __WATCHDOG_H__ */
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