Hi The one I've done up sends hex ascii. It doubles the serial rate, but the decode on the computer end is *much* easier. With short cables and modern hardware, high speed RS-232 is pretty reliable stuff.
Bob On Feb 18, 2010, at 9:41 PM, Magnus Danielson wrote: > Bruce Griffiths wrote: >> System constraints arent necessarily due to cost constraints. >> The constraints may be imposed by experience limitations and the learning >> curve associated with FPGAs etc. > > The level of design ability needed is still moderate, and for a skilled > designer, the effort to produce one for a friend in need is moderate. The I/O > is probably going to cause more head-ache than the measurement engine anyway. > Even a serial port with binary data takes some care in designing. > >> If one already has a high end DSP in the system its almost possible (with >> the right DSP) to implement the multichannel time tagging purely in software. > > Getting it right with a DSP could be just as challenging. > > Cheers, > Magnus > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
