[WriteLog] LPT Changes in 10.29 and 10.30

[W. Wright, W5XD]

WL version 10.28 and earlier drive pins 1 and 17 on the LPT port with
the CW signal. Pin 1 goes low for key down, and pin 17 goes high for
key down.

Version 10.29 changed to hold pin 1 low all the time.

Version 10.30 added an INI entry 
[ports]
cw_on_pin1=1
If you add this INI entry, it signals CW on pin like 10.28 and before.

Wayne

> -----Original Message-----
> From: writelog-admin@contesting.com
> [mailto:writelog-admin@contesting.com]On Behalf Of George Johnson
> Sent: Saturday, January 19, 2002 14:19
> To: Writelog
> Subject: [WriteLog] LPT Changes in 10.29 and 10.30
> 
> 
> Hi All,
> Can anyone give me a summary technical description of what happened to
> the LPT control lines with 10.29 and 10.30?  I am presently operating
> "OK" with 10.28.  I need to know what logic changed and whether to
> reconfigure my controls lines or not.
> 
> My present configuration:
> CW is controlled by an NPN transistor with its emitter tied 
> to pin 1 of
> LPT.  The base resistor is tied to pin 17 of LPT.  This works fine and
> was my old CT configuration.
> 
> PTT is controlled by an NPN transistor with its emitter tied 
> to "ground"
> via pin 18 of LPT.  The base resistor is tied to pin 16 of LPT.  This
> works OK except for the lock up at machine boot that is cleared by
> starting WL.
> 
> I need to know logically what was "done" or "undone" with the 
> lines for
> 10.29 and 10.30.
> 
> TIA,  George .. W1ZT
> 
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