Re: Demise of the COM port?
From: Al Clark (dsp_at_danvillesignal.com)
Date: 03/19/04
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Date: Fri, 19 Mar 2004 17:47:29 GMT
Grant Edwards <grante@visi.com> wrote in news:405b1dc6$0$175$a1866201
@newsreader.visi.com:
> On 2004-03-19, Meindert Sprang <mhsprang@NOcustomSPAMware.nl> wrote:
>> "Max" <mtj2@btopenworld.com> wrote in message
>> news:noul50hqvd6a3u58orkm4tokk4jbgssn8d@4ax.com...
>>>
>>> RS-232 ports were dropped from the PC specification in 2000 (and they
>>> started disappearing from Macs before that). Essentially, they're
>>> obsolete.
>>
>> Nonsense. ALL industrial PCs are still equiped with com ports. Because
a
>> whole bunch of rock-solid industrial protocols run on RS-232.
>
> In addition to USB and Ethernet attached serial ports, there
> are still plenty of PCI serial boards available. Who in their
> right mind would by a slotless PC as an embedded systems
> development host?
>
> Sheesh, you can by a 2GHz machine with half a gigabyte of RAM a
> quarter terabyte of disk space and a graphics board that does
> 3D shading in hardware for a grand total of $1000! And people
> are whinging because they've got to spend $20 for a serial
> port.
>
> Kids these days.... ;)
>
Actually, the most annoying problem I have is with the newer notebook
computers. I like to use notebooks in test cells because they take up a
lot less space on the bench. This is a great use for older notebooks
that are fairly useless for anything else. I also travel with dev tools
some of the time.
I use an USB to serial cable I bought from Saelig that uses an FTDI chip.
We use the FTDI chips in many of our products so this is convenient from
a device driver point of view.
As I said before, I think the upcoming problem will be with the Parallel
Port since these are most always bit banged when used as programmer
interfaces. Oh well.....
-- Al Clark Danville Signal Processing, Inc. -------------------------------------------------------------------- comp.dsp conference July 28 - Aug 1, 2004 details at http://www.danvillesignal.com/index.php?id=compdsp email: compdsp@danvillesignal.com Who says you can't teach an old dog a new DSP trick?
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