IOIO Randomly Undetected

[Maximillian]

HI Guys,

I have some problem with IOIO.

I use IOIO to control relay & read some input.

Sometime I can use the IOIO normally for several transaction.

When the day is over, I didn't turn off the IOIO (keep it powered)

Randomly, the next day morning, the android can't detect the IOIO.

Sometime I can make it work again by just turn off and on again the IOIO.

But sometime it doesn't work and I don't know what to do.

The behavior I notice is that when I plug the cable to the Android, it doesn't automatically start my app.

Usually in normal condition, the app start automatically when I plug the cable..

Anybody has this issue? or have some workaround?

Thanks.

[kkannan]

I am having the same issue, in fact it is getting to the level of frustration. 

Some solution is needed, fast. Or at least I can force the connection by resetting the board without plugging the USB.

Is there anyway MCLR can be connected to a small button or something ?

Kannan

[Ytai Ben-Tsvi]

See these possibly related issues:

https://github.com/ytai/ioio/issues/119

https://github.com/ytai/ioio/issues/130

Bottom line: Android handles OpenAccessory poorly and working around all its quirks requires firmware modifications, which I currently have no bandwidth to handle. Will be happy to accept patches.

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[pogono]

I have a stand alone machine with IOIO & Android 4. I had problem of IOIO usb is not functioning properly for a reason & then system is out of order. Sometimes resetting IOIO helps, sometimes needed more trials. But the problem took my time and spent gazoline. 

To solve my problem I designed a board which resets IOIO until USB works properly. I did not get any problem since then.

 

19 Aralık 2017 Salı 06:25:05 UTC+3 tarihinde Maximillian yazdı:

[kumarasamy parvathakannan]

Hi Pogono

That is a great news, I am trying to implement a similar solution. 

I there any chance you can shed some light on the details?

Thanks

Kannan

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[kumarasamy parvathakannan]

OK, I connected a push button switch between mclr and ground and it does the job after hitting it few times. It could be automated by using a small mc I guess.