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Re: [gpsd-dev] PPS over USB

From: Eric S. Raymond
Subject: Re: [gpsd-dev] PPS over USB
Date: Sun, 6 May 2012 18:07:13 -0400
User-agent: Mutt/1.5.21 (2010-09-15)

Ed W <address@hidden>:
> Incidentally I have a load of these (very inexpensive):
> They are detected as a "cp210x: v0.09:Silicon Labs CP210x RS232
> serial adaptor driver".  Some googling suggests this is a USB2
> chipset?

It is, but it sucks.  Due to the vendor's secrecy fetish, the Linux
driver for the CP2101 couldn't see 1PPS even if the device had my
nagic hardware patch.  This is the exact reason our UniTraq samples
didn't work.
                <a href="";>Eric S. Raymond</a>

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