Troubleshooting hardware

[Kevin Krumwiede]

I have a strange (or maybe not so strange) problem showing up with a tried and true setup. I have a IOIO app that works great with several other IOIO boards and is well tested for a while. The hardware/circuit setup is also well tested, although this is a new build. I shorted the 5v to ground on the IOIO while building out this setup (I know! Dumb mistake) enough to disable the USB port on my laptop requiring a reboot... Once I hooked back up and re-ran the app, everything seemed to be working fine with the app and the hardware, but after precisely 16 presses of a switch connected to the board, the setup stops working and seems to freeze LEDs and does not accept new button press inputs. I don't see any errors in the console so the app seems to be just waiting for the next hardware input that never comes. Did I mess up the IOIO? Is there something I should/can do to check its health? Seems odd that it is consistently 16 presses of the pedal. Ideas?
I don't want to waste a lot of time chasing this down if it is obvious to others I blew something in the board.

Kevin

[Ytai Ben-Tsvi]

The 16-press thing makes it more likely a software but than anything else. Is this happening consistently only with this board and never with another?
Is this a PC-based setup? How is the IOIO powered? How do the precompiled examples behave?

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[Kevin Krumwiede]

The same software works fine with other IOIO boards.  This is a consistent behavior.

There are no errors in the console.

I haven't tried with one of the other programs.  I'll try.

Logic and LEDs are powered via USB from a Windows 8.1 PC.

K

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[Ytai Ben-Tsvi]

Does this IOIO have the same firmware as the rest of them?

[Kevin Krumwiede]

Yes, all of my IOIO's have app-ioio0400.

[Ytai Ben-Tsvi]

Can you upgrade to the latest before we start digging to deep? What you're describing doesn't sound like a hardware issue.

[Kevin Krumwiede]

I didn't think so either...  but I can't see anything wired differently than my other setups and the software/firmware is consistent.

I should mention that I have the IOIO connected to the Adafruit 16 Channel PWM servo controller you and I worked on as usual.  I don't have servos attached and I do not have it powered but the software shifts in the servo channel and positions from the software.  16 seems like it could be related to shifting in a certain number of bytes before something happens.  I'll keep digging to see if I can narrow this down to something that gives us a better lead.  Thanks Ytai.  I'll let you know.

Kevin

[Kevin Krumwiede]

Hi Ytai,

I've updated the firmware to 0500 and was still having the problem so I swapped out to a new IOIO and I'm having the same issue so it looks like it is my PCB &/or the software... which you probably already guessed it wasn't the IOIO.  I'm about to test with another version of my PCB.  I can't imagine what it would be since the only components on my PCB include LED's, a relay, a diode a transistor and 3 resistors.

If you are interested in taking a look at the app (or if you have any feedback) I added you as a collaborator on GitHub (not expecting anything but I thought I would add you since we may need your help with buffering chords for the Android version).  Also, here is a link to the software install:

http://kleekru.mydomain.com/RoboTar_App/RoboTarPC-0.3.4-installer.jar

On a separate topic:  And attached here is the file we need to translate into Hebrew if you are still up to helping out. :)

​

 RoboTarBundle_en.properties

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Thanks Ytai!!  I hope all is well.

Kevin