Mailinglist Archive: opensuse (882 mails)

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Re: [opensuse] Serial to USB adaptor
  • From: Philipp Thomas <Philipp.Thomas2@xxxxxxx>
  • Date: Wed, 08 Dec 2010 01:36:39 +0100
  • Message-id: <r4gtf69fvd5c6lihedvff6nb29c3ifajhb@xxxxxxx>
On Mon, 06 Dec 2010 11:37:21 +0000, Dave Howorth
<dhoworth@xxxxxxxxxxxxxxxxx> wrote:

I think this answers Philipp's puzzlement.

In Part yes :)

Intel expects that measurement devices will contain enough
intelligence to enable measurement collection to be asynchronous. Or
at least they will be interfaced via such devices.

I think they didn't really think about these cases, but you could also
be right in that the USB creators (Intel, Microsoft and others) really
did assume that the timing critical part would be implemented in the
device.

And using the serial port for Time signal receivers wasn't in the spec
of the serial interface either, at least for those devices that just
strobed DTS to deliver a timing interrupt. It just happened to work :)

Philipp
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