LoggingGPIO.hxx

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#ifndef _FREERTOS_DRIVERS_COMMON_LOGGINGGPIO_HXX_
#define _FREERTOS_DRIVERS_COMMON_LOGGINGGPIO_HXX_
 
#include "GpioWrapper.hxx"
 
template<const char* message>
struct LoggingPin
{
    static void hw_init()
    {
    }
    static void hw_set_to_safe()
    {
    }
    static void set(bool value)
    {
        if (lastValue_ == value) return;
        LOG(INFO, "Logging pin %s = %s", message, value ? "ON" : "OFF");
        lastValue_ = value;
    }
    static void toggle()
    {
        set(!lastValue_);
        LOG(INFO, "Logging pin %s: TOGGLE", message);
    }
 
    static bool is_output()
    {
        return true;
    }
 
protected:
    static bool lastValue_;
};
 
template<const char* message>
bool LoggingPin<message>::lastValue_ = false;
 
template<const char* message>
struct LoggingPinWithRead : public LoggingPin<message>
{
    static bool get()
    {
        return LoggingPinWithRead::lastValue_;
    }
 
    static bool is_output()
    {
        return false;
    }
 
    static constexpr const Gpio *instance()
    {
        return GpioWrapper<LoggingPinWithRead>::instance();
    }
};
 
#endif // _FREERTOS_DRIVERS_COMMON_LOGGINGGPIO_HXX_