WatchdogReal.hpp

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/**************************************************************************************
 * @file WatchdogReal.hpp
 * 
 * Real hardware implementation of the watchdog interface using Zephyr's watchdog API.
 *  
 **************************************************************************************
 * 
 * Copyright 2025 Electronic Timers Ltd.
 * 
 **************************************************************************************/
 
#pragma once
 
// 3rd party includes
#include <zephyr/drivers/watchdog.h>
 
// Local includes
#include "IWatchdog.hpp"
 
namespace zct {
 
class WatchdogReal : public IWatchdog {
public:
    WatchdogReal(const char* name, const struct device* device);
 
    ~WatchdogReal();
 
    int installTimeout(uint32_t timeoutMs, 
                      CallbackFn callback = nullptr,
                      void* userData = nullptr,
                      ResetFlag flags = ResetFlag::ResetSoc) override;
 
    int setup(Option options = Option::None) override;
 
    int feed(int channelId) override;
 
    int disable() override;
 
    const struct device* getRawDevice() const override;
 
private:
    static uint8_t convertOptions(Option options);
 
    static uint8_t convertResetFlags(ResetFlag flags);
 
    static void staticCallback(const struct device* dev, int channelId);
 
    const struct device* m_device;      
    bool m_isSetup;                     
    CallbackFn m_callback;              
    void* m_userData;                   
};
 
} // namespace zct