WatchdogInterface.h

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#ifndef __WATCHDOG_INTERFACE_H__
#define __WATCHDOG_INTERFACE_H__
 
#include <Arduino.h>
 
const unsigned long WATCHDOG_KICK_INTERVAL = 10;    // milliseconds
 
class WatchdogInterface
{
private:
    /* Watchdog last kicked time */
    unsigned long watchdog_time;
 
    /* Watchdog output state */
    bool watchdog_state;
 
    /* Hardware interface pins */
    int pin_watchdog_input_;
    
public:
    WatchdogInterface(int wd_input_pin): pin_watchdog_input_(wd_input_pin){};
 
    /* Initialize interface pin mode */
    void init(unsigned long curr_millis);
 
    /* Write to Main ECU */
    // Initialize output value
    void set_start_state();
 
    /* Kick watchdog */
    void kick_watchdog(unsigned long curr_millis);
 
    /* Getters */
    bool get_watchdog_state();
    /* Setters */
    void set_watchdog_state(bool state);
 
};
 
#endif /* __WATCHDOG_INTERFACE_H__ */