vp-digi/Core/Inc/drivers/watchdog.h

47 wiersze
1.1 KiB
C

/*
Copyright 2020-2023 Piotr Wilkon
This file is part of VP-Digi.
VP-Digi 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.
VP-Digi 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 VP-Digi. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DRIVERS_WATCHDOG_H_
#define DRIVERS_WATCHDOG_H_
#if defined(STM32F103xB) || defined(STM32F103x8)
/**
* @brief Initialize watchdog
*/
void WdogInit(void)
{
IWDG->KR = 0x5555; //configuration mode
IWDG->PR = 0b101; //prescaler
IWDG->RLR = 0xFFF; //timeout register
IWDG->KR = 0xCCCC; //start
}
/**
* @brief Restart watchdog
* @attention Must be called continuously in main loop
*/
void WdogReset(void)
{
IWDG->KR = 0xAAAA; //reset
}
#endif
#endif /* DRIVERS_WATCHDOG_H_ */