linux-kernel - Re: PL2303 module

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Message-id: <200701052046.34066.gene.heskett@verizon.net>
Date:	Fri, 05 Jan 2007 20:46:33 -0500
From:	Gene Heskett <gene.heskett@...izon.net>
To:	linux-kernel@...r.kernel.org
Cc:	Greg KH <greg@...ah.com>
Subject: Re: PL2303 module

On Friday 05 January 2007 20:32, Greg KH wrote:
[...]
>> >
>> >It should work like any other serial port on Linux, so try the serial
>> >port programming HOWTO.
>>
>> Maybe so Greg, but I spent quite some time on it a few months back,
>> trying to make '7 wire' protocol work, could not.  I could type back
>> and forth between terminal proggies, but an rzsz file transfer never
>> got past the first packet.
>
>Hm, a number of the "odd" settings might not work on the usb-serial
>converters, as they can't do them (or the driver doesn't know how to
>configure the chip to do that.)

There is absolutely nothing 'odd' about the '7 wire', it is _the_ standard 
for bi-directional hardware flow control, in common usage for at least 25 
years that I'm aware of.

>The pl2303 driver was reverse engineered by looking at data from other
>operating systems, so perhaps no one has added that mode to it.

Humm, src code snooping time I guess, when I get a chance.  Right now its 
a race against time to get us on the air with a fresher transmitter since 
I can no longer get 4-1000 tubes to service our old GE, and the ones in 
it are on their last month.  So I'm outta here in a few minutes to go see 
if I can do a decent job of cutting 3.125" transmission lines on a 12" 
chop saw with a carbide blade.

>good luck,
>
>greg k-h
>-
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-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
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Copyright 2007 by Maurice Eugene Heskett, all rights reserved.
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