Dear Youri,

well, at least concerning the "good old serial port" I could give you and everybody a good report since even if no serial ports are available any more on the Mac itself we address in a certain project over 260 serial devices from a mac. We use Moxa Terminal Servers for that, which relay serial data to ethernet and thus could be addressed as if they were a TCP/IP socket. This even works if you have your serial device spread over a hole campus area - and they are reliable and built for industrial use. They're not quite cheap, but they work.

This might be an option if you want to address devices with an "old" serial port - using something like the moxa terminal server you can forget about all the consumer type serial-to-usb converters which bring additional failure risks as you wrote. They work for years and since they use industrial standart ethernet to talk to a mac or pc you're ready for the future.

Kind regards,

Oliver


Am 25.08.2006 um 11:09 schrieb Youri:


Hi,

We have a recurring project (but no time) for developping a solution with a data acquisition Card from NI.

Unfortunately, these devices are USB and therefore dependent on the manufacturer's Driver. As Win machines represent 95% of the market not many manufacturer are willing to develop for Mac machines...

I regret the time when we had good old serial devices (and ports) without Drivers problem.

An ophtalomologist asked me to develop a little soft to be able to load datas from his instruments directly in his Mac, but I am very reluctant as again the only solution would be to use a Keyspan device which doesn't always work properly.

Same apply for Suunto diving computer, Legos (don't know about the last version thought)... Very frustrating.

My question is : Is it that difficult to make a kind of "generic- configurable" driver for USB devices, which used to work with simple Serial Ports not that long ago?

Cheers,


Youri



Lundstrom Design wrote:
Not exactly science perhaps but the latest edition of Lego's robotic training kit Mindstorms seems to use a visual edition of Labview. The good news is that it now runs on both Macs and Windows and it is controlled via a USB device. It can however be a bit tedious to work with, so my question is has anyone tried to do something in RB?
http://mindstorms.lego.com/
/Claes Lundstrom
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