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Location: therm-ng/src/system/watchdog.c - annotation
2b4eb31dd8da
746 B
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Rework some structure to segregate business logic of PID / thermostatic control / temp sensing
667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f 667b32311f8f | //
// Watchdog: configure and initialize the watchdog peripheral
//
#include "stm32f3xx_hal.h"
#include "config.h"
#include "watchdog.h"
#ifdef WATCHDOG_ENABLE
static IWDG_HandleTypeDef hiwdg;
uint8_t watchdog_enabled = 0;
#endif
// Initialize the watchdog timer
void watchdog_init(void)
{
#ifdef WATCHDOG_ENABLE
// ~2 seconds?
hiwdg.Instance = IWDG;
hiwdg.Init.Prescaler = IWDG_PRESCALER_4;
hiwdg.Init.Window = 4095;
hiwdg.Init.Reload = 4095;
HAL_IWDG_Init(&hiwdg);
watchdog_feed();
HAL_IWDG_Start(&hiwdg);
watchdog_enabled = 1;
#endif
}
// Feed the watchdog timer
void watchdog_feed(void)
{
#ifdef WATCHDOG_ENABLE
if(watchdog_enabled)
HAL_IWDG_Refresh(&hiwdg);
#endif
}
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