Hello again. Missatge citat per: Der Herr Hofrat <[EMAIL PROTECTED]>:
> > Hello. > > > > I address the list loking for advice on the purchase of a pair of DAQ > boards to > > adquire and release data in RTLinux. > > They should have at least two analog inputs and two analog outputs. > They must be > > able to work simultaneously at a rate of at least 40-50kHz. Resolution > of at > > least 12 bits and PCI bus and RTLinux drivers available. > > 40Ksamp in 40Ksamp out or 40 per chanel or 40 total throughput ? 40 per channel > > > > > I am thinking of NI PCI-MIO-16E-4 but in the comedi page driver status > for this > > card is set to:mainly limited by comedi infrastructure. I don't know > exactly > > what this means but I am afraid of buying the card and then find out > that it > > won't work. Has someone used this doard in RTLinux or some other with > the above > > If you need 2AD and 2DA at 12bit a number of cards can do that - > If it can do the sample rate you need depends on the platform you > use but 100Ksamp will be close to the limit of an X86 based > system in any case, unless you let it sample autonomously and then > just > pick up the FIFO content periodically (or interrupt driven) I supose that the 100ksamp limit will be in the total in/out throughput. Lets say I need 2 ins and 2 outs working simultaneously in one pc. Does this limit mean that I won't be able to work faster than 25 ksamp/s per channel? if you are > looking for ADQ drivers check > > ftp://ftp.fsmlabs.at/pub/rtlinux/contrib/peterw/ I can't download the rtdaq.tar.bz2 file. Mozilla tels me that it can't find it. > > for some drivers and a template to write drivers for new cards - with > that > template writing a driver is no more than one or two days of work if it > is > not a very complex card. If you have a new card working you might want > to > add it to the drivers peter ([EMAIL PROTECTED]) set up. > > hofrat > -- [rtl] --- > To unsubscribe: > echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR > echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] > -- > For more information on Real-Time Linux see: > http://www.rtlinux.org/ > > Thanks and best regards. Miguel. -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/
