[Tip] Switch the Omega to VERBOSE



  • So, your Omega(2(+)) doesn't work? What to do? This little piece, shielded by a metal plate may seem like a mystery, an impenetrable black box. Don't let that overwhelm you. The Omega is a little verbose devil... if you know how to listen. And do listen to it! You'll be rewarded with countless hours of spared debugging time.

    If you are new to the Omega, go read the docs here:
    https://docs.onion.io/
    If you have problems with the Omega, go read the guidelines here:
    https://community.onion.io/topic/787/guidelines-for-posting-issues-please-read-first
    Don't be lazy! Don't be full of yourself! Don't skip it!

    But first, something not (yet) mentioned in the docs, ground yourself and perform a thorough visual inspection of all hardware pieces that you receive. Look for non-aesthetic solder blob on the board. I personally found some. Pin solder weren't touching but they were too close for comfort, IMO. To fix that, I used a soldering iron with the pin over the heated tip of the iron to let gravity fix the solder blob. Also, perform this basic test to see if you have any short circuit between ground pins, power pins and the other pins. Statistics from my purchase, 33% of the Omega2+ were affected by solder blobs. I wouldn't say 'sloppy', but it's definitely disappointing. As, is there anything else wrong with those Omega2+?

    So now, do you feel your Omega reaching out to you? Great! You are in the right state of mind. The secret is: get connected to the Omega's first serial port (labeled RX0 and TX0). By default, the port speed is 115200 baud. I use this command under FreeBSD:
    cu -l cuaU0 -s 115200
    Linux, Mac and Windows have their equivalent too.

    You bought the Omega without a dock? Well, you know what you are doing, and you are good at it too. Read the docs for the relevant pins, and get connected. You purchased an Expansion Dock? Great minds think alike. It's the easiest way to communicate. You just need a mini-usb cable from the dock to your computer, and those cables are just laying around you doing nothing anyway. You got the Mini Dock instead? No problem! Its mini-usb connector provides the same communication functionality. I can't blame you to like things small. I do too!

    If you have the other docks, tough luck, but do not despair. I'm promoting you to EXPERT LEVEL. The first Omega serial port is still available, but you'll need to solder three wires on it (RX0, TX0 and GND). Refer to the docs for the right pin numbers. Remember that it's a 3.3V level. You can build yourself a serial-to-usb circuit of your own, a RS-232 driver, or whatever you like, but do use the first Omega serial port. If not, it's just like driving blind. How long can you last?



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