Thread: Cash Register and POS Printer Interaction

  1. #1
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    Cash Register and POS Printer Interaction

    Hi. I was wondering if anyone might have any links to information regarding software to hardware communication regarding cash registers and Point-of-Sale printers. If anyone could point me in the right direction, I'd greatly appreciate it. Thanks!

  2. #2
    Registered User Codeplug's Avatar
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    Sounds like you want to brush up on embedded development or writting device driver's for an embedded OS.
    If you are looking for specs on a piece of hardware, you will need manufacturer/model #'s etc.

    Sounds like this might be from a job posting. If so, post the description/requierments here and I may be able to give you more insight into what the job entails.

    gg

  3. #3
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    Yep, pretty much

    Yeah, this is from a job offer...unfortunately it's not an online posting, so I can't list the info about it. Most of the software stuff deals with DB's, which I can do. The main thing I need info on is the software/hardware interaction. Unfortunately, the cash register had no tags on it from what I could see, unless the monitor on top of it at the store was covering its info, which I will have to check. The printer is an Epson, model M129C. I looked at Epson's website briefly, but it's obviously a less recent model, and I didn't get a chance to look at the site long enough to find anything of use, though I'm def. planning to look again.

    Thanks so much for the reply!

  4. #4
    Guest Sebastiani's Avatar
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    Your best bet is to turn over the devices and lookup the manufacturer and order the manuals and so forth...
    Code:
    #include <cmath>
    #include <complex>
    bool euler_flip(bool value)
    {
        return std::pow
        (
            std::complex<float>(std::exp(1.0)), 
            std::complex<float>(0, 1) 
            * std::complex<float>(std::atan(1.0)
            *(1 << (value + 2)))
        ).real() < 0;
    }

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