some GPIB-tcl questions
in [TCL]
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From: Uwe Klein on 2 Feb 2010 06:56 David Gravereaux wrote: > Want to talk about low-level? Examine this: > http://lpvo.fe.uni-lj.si/gpib/v1.html > > Yank the USB chip, drop in an rj45 socket and associated parts. Add in > an IP stack to the firmware (memory and probably faster processor too) Just "wrap" it with one of the cheap small ff ARM Linux boards? i.e. buy an "Internet Radio" for a limited number of quids. drop in the usb2gpib thingy and have a wlan/tcp -> gpib gateway. uwe
From: David Gravereaux on 2 Feb 2010 07:50 Uwe Klein wrote: > David Gravereaux wrote: >> Want to talk about low-level? Examine this: >> http://lpvo.fe.uni-lj.si/gpib/v1.html >> >> Yank the USB chip, drop in an rj45 socket and associated parts. Add in >> an IP stack to the firmware (memory and probably faster processor too) > > Just "wrap" it with one of the cheap small ff ARM Linux boards? > i.e. buy an "Internet Radio" for a limited number of quids. > drop in the usb2gpib thingy and have a > wlan/tcp -> gpib gateway. Now you're talkin' ;) --
From: Uwe Klein on 2 Feb 2010 09:27 David Gravereaux wrote: > Uwe Klein wrote: > >>David Gravereaux wrote: >> >>>Want to talk about low-level? Examine this: >>>http://lpvo.fe.uni-lj.si/gpib/v1.html >>> >>>Yank the USB chip, drop in an rj45 socket and associated parts. Add in >>>an IP stack to the firmware (memory and probably faster processor too) >> >>Just "wrap" it with one of the cheap small ff ARM Linux boards? >>i.e. buy an "Internet Radio" for a limited number of quids. >>drop in the usb2gpib thingy and have a >>wlan/tcp -> gpib gateway. > > > Now you're talkin' ;) > http://www.picotux.com/producte.html
From: David Gravereaux on 2 Feb 2010 15:34 Uwe Klein wrote: > http://www.picotux.com/producte.html That's amazing. I'd need more I/O lines, though. Looks like around 24. 8 for DI0-8, another 8 for the signal lines and another 8 for buss condition indicators. --
From: Uwe Klein on 2 Feb 2010 15:39
David Gravereaux wrote: > Uwe Klein wrote: > >>http://www.picotux.com/producte.html > > > That's amazing. I'd need more I/O lines, though. Looks like around 24. > 8 for DI0-8, another 8 for the signal lines and another 8 for buss > condition indicators. Datasheet for the SOC: http://www.integral.com.br/images/prd_ds_digiconnectme_nsdata.pdf looks like one can use PIO for CS. Got to read up a bit more. uwe |