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unit LedT

em.utils/LedT.em
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package em.utils

template LedT 

end

def em$generateUnit(pn, un)
|->>>
    package `pn`

    from em.hal import LedI
    from em.hal import GpioI

    from em.mcu import Poller

    module `un`: LedI
        proxy Pin: GpioI
        config activeLow: bool = false
    end

    def em$startup()
        Pin.makeOutput()
        if activeLow
            Pin.set()            
        else 
            Pin.clear()                
        end
    end

    def on()
        if activeLow
            Pin.clear()            
        else 
            Pin.set()                
        end   
    end

    def off()
        if activeLow
            Pin.set()            
        else 
            Pin.clear()                
        end   
    end

    def toggle()
        Pin.toggle()
    end

    def isOn()
        return activeLow ? !Pin.get() : Pin.get()
    end

    def wink(msecs)
        on()
        Poller.pause(msecs)
        off()
    end          
|-<<<
end