I meant, "not loosing" or "avoid loosing" ... On Dec 2, 1:30 am, "funlw65(Vasi)" <[email protected]> wrote: > You can loose USB connection if you forget to refresh it at least once > in a 10ms time interval. If you need delays bigger than 10ms, then you > must use non-blocking delays not avoid loosing the USB connection. > > Vasi > > On Dec 1, 11:04 pm, phalox <[email protected]> wrote: > > > Hey all > > > The professor who teaches me the Coarse 'Microprocessors', asked me to > > show the usb example. He wants to use usb during some lab sessions, > > but since all the libraries from microchip (that is in C) are just too > > complex for first-timers, he found it remarkable that I got it working > > this easily (even though it was just an example program!). > > > He didn't know JAL, so I sent him some links. Maybe he finds the time > > one day to implement it in the lab sessions. > > > He was also wondering about the inner workings of the library (and > > since I don't know much about usb yet, I was too); so we did a little > > research. He told me things about End Points, the different modes with > > usb (JAL does interrupt - for very small packets; and burst mode - > > that collects the data and send it in one packet ??) > > > Then he was wondering what the speed was. So we just kept on sending > > packages, and at the same rate toggling leds. The smallest period we > > measured was 1µs, which means speed is very good! > > But while testing this, the process of sending sometimes just stopped. > > Any idea why this happens? > > Also, I first tried Termite as a terminal program, but that wouldn't > > work (and it does with an arduino). Only when using realterm (and in > > Java) I succeeded in talking with the pic. > > > Toon
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