Features/driver/iwdg

Drivers/IWDG_driver/Inc/independent_watchdog.h

@@ -0,0 +1,19 @@
+
+#ifndef INDEPENDENT_WATCHDOG_H
+#define INDEPENDENT_WATCHDOG_H
+
+#include <stdint.h>
+#include "main.h"
+
+class IndependentWatchdog : public Watchdog {
+	private:
+		IWDG_HandleTypeDef* watchdog;
+
+	public:
+		IndependentWatchdog(IWDG_HandleTypeDef* watchdog);
+		bool refreshWatchdog() override ;
+};
+
+
+#endif /* SRC_DRIVERS_INDEPENDENTWATCHDOG_H_ */
+

Drivers/IWDG_driver/Inc/watchdog.h

@@ -0,0 +1,11 @@
+#ifndef WATCHDOG_H_
+#define WATCHDOG_H_
+
+class Watchdog {
+	public:
+		virtual bool refreshWatchdog() = 0;
+};
+
+#endif 
+
+

Drivers/IWDG_driver/Src/independent_watchdog.cpp

@@ -0,0 +1,27 @@
+#include "independent_watchdog.h"
+#include "main.h"
+
+/**
+ * @brief Borrow the configuration of an already existing watchdog and set it
+ * to the prescaler and Reload values.
+ *
+ */
+IndependentWatchdog::IndependentWatchdog(IWDG_HandleTypeDef *watchdog) {
+	this->watchdog = watchdog;
+	IWDG_InitTypeDef initDef = watchdog->Init;
+	this->iwdg_prescaler = initDef.Prescaler;
+	this->iwdg_reload = initDef.Reload;
+}
+
+
+/**
+ * @brief Refreshes the watchdog that is a member variable of the class
+ * @returns true on success, false on failure
+ */
+
+bool IndependentWatchdog::refreshWatchdog() {
+	if (this->watchdog == nullptr) {
+		return false;
+	}
+	return (HAL_IWDG_Refresh(watchdog) == HAL_OK);
+}