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How to reset button on NGo

Started by supra, Oct 12 2012 02:27 PM

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5 replies to this topic

#1 supra

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LocationOntario, Canada

Posted 12 October 2012 - 02:27 PM

how do i write button on NGo board to reset it? inputport button = new InputPort(Pins.ONBOARD_SW1, false, Port.ResistorMode.Disabled); Btw could be? var button = new InputPort(Pins.Button, false,Port.ResistorMode.Disabled);

Edited by supra, 12 October 2012 - 02:33 PM.

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#2 Stefan

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LocationBreda, the Netherlands

Posted 12 October 2012 - 02:38 PM

I believe it's something like this:

private static InterruptPort _ResetButton = new InterruptPort(Pins.Button, false, Port.ResistorMode.Disabled, Port.InterruptMode.InterruptEdgeHigh);

        public static void Main()
        {
            _ResetButton.OnInterrupt += delegate(uint PinId, uint Value, DateTime Time) { 
                Debug.Print("RESET pressed"); 
                PowerState.RebootDevice(true); 
            };
            _ResetButton.EnableInterrupt();

            // Your code here :-)
        }

_{"Fact that I'm a moderator doesn't make me an expert in things." Stefan, the eternal newb!}
My .NETMF projects: .NETMF Toolbox / Gadgeteer Light / Some PCB designs

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#3 supra

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LocationOntario, Canada

Posted 12 October 2012 - 02:47 PM

@stefan
it is ok with this?
InterruptPort button = new InterruptPort(Pins.Button,false, Port.ResistorMode.Disabled, Port.InterruptMode.InterruptEdgeBoth);

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#4 Stefan

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Posted 12 October 2012 - 02:49 PM

You may enable the glitch filter, for sure, and Pins.Button could be equal to (Cpu.Pin)0x2E. I can't check that out right now though.

_{"Fact that I'm a moderator doesn't make me an expert in things." Stefan, the eternal newb!}
My .NETMF projects: .NETMF Toolbox / Gadgeteer Light / Some PCB designs

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#5 neslekkim

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Posted 13 October 2012 - 10:16 AM

glitch filter?, is that some debouncing?, is that built into .netmf or the chip?

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#6 Lunddahl

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Posted 13 October 2012 - 11:31 AM

glitch filter?, is that some debouncing?, is that built into .netmf or the chip?

It have no clue if it's in the MCU or in the .netmf, but if it is the latter it's deep inside...

If you pass the value true in the glitchFilter parameter when creating an InputPort, it can "debounce" the attached switch. The exact time that determines whether or not a pair of signals is considered a bounce is controllable with Cpu.GlitchFilterTime value. A pair of signals that appears within the specified interval will be ignored by the InterruptPort.

Funny this info is now in a thread where it actually don't matter much, we are resetting the MCU, but for every other button that generates interrupts, or should I say, one interrupt.