Re: Error in AP driver


Yves Laroche
 

Sorry Ajai, i complety forgot to mention that i'm using CP3 controller.

----- Original Message -----
From: Ajai Sehgal
To: ap-gto@yahoogroups.com
Sent: Saturday, December 15, 2007 4:57 PM
Subject: RE: [ap-gto] Re: Error in AP driver


Yup. If you have a CP1 or CP2 controller, never use the Horizon Check. It
is broken in the firmware.

Ajai

_____

From: ap-gto@yahoogroups.com [mailto:ap-gto@yahoogroups.com] On Behalf Of
yves laroche
Sent: Saturday, December 15, 2007 11:48 AM
To: ap-gto@yahoogroups.com
Subject: Re: [ap-gto] Re: Error in AP driver

Hi Ajai,

I've got plenty of synchronization problem last summer until i decided to
uncheck the Use Horizon Check feature in your driver. I was able to slew to
objects when they were on the same meridian side but when they passed the
meridian, the mount tried to go upside down at each try. I've got this
problem on several nights until i decided to investigate and found that the
Use Horizon Check feature was causing the behavior . This feature was
checked during the last winter without any problem but the problem appeared
after daylight saving change. I'm running AP ASCOM version 4.1.25 and
helper2.dll is installed.

Maybe it's related or not with this thread bot i prefer to let you
know...just in case.

Yves

----- Original Message -----
From: Ajai Sehgal
To: ap-gto@yahoogroups. <mailto:ap-gto%40yahoogroups.com> com
Sent: Saturday, December 15, 2007 1:23 PM
Subject: [ap-gto] Re: Error in AP driver

I have looked at the code and can't see anything that would cause
this. The code is common to all the drivers that I write and so far
no issues have been reported. Here is the code. If someone can spot
the error I am will certainly fix it:

'Get the longitude from the AP and convert it to degress
SiteLongitude = -m_Util.DMSToDegrees(CommandString("Gg"))

' Convert from AP 0-359 westward to ASCOM format +/- 180 +E
If SiteLongitude < -180# Then SiteLongitude = SiteLongitude + 360#

This is the entire AP documentation on the topic (leaves quite a bit
to be desired - as you can see is is VERY open to interpretation:

Command: :Gg#
Response: +DDD*MM# or +DDD*MM:SS# if long format
Gets the current longitude.

It would be helpful if you could send me a serial trace of what the
AP is reporting back when you query the longitude when east (I can't
get to my AP right now because it is in a dome and it is pouring rain
here - can't open the dome to get in - remote computer shut itself
down - sigh).

Please ensure that you have the updated helper2.dll installed from
the ASCOM site. This is required as the old version had a bug in it.

Ajai

--- In ap-gto@yahoogroups. <mailto:ap-gto%40yahoogroups.com> com, "Chuck
Faranda" <mail_lists2@...>
wrote:
>
> FYI: Ajai is investigating the issue and will report ASAP.
>
> Regards,
> Chuck Faranda
> http://ccdastro. <http://ccdastro.net> net
>
> > ----- Original Message -----
> >> I am running the latest driver for AP GTO mounts (4.1.25)
> >> under ASCOM 4. My mount is a Mach1.
> >> The reported site information is incorrect: after a Get
> >> Lat/Long is done, I get a correct value for Latitude, but
> >> Longitude is wrong:
> >> it reports
> >> E 4 10.00
> >> instead of
> >> E 5 50.00
> >> I checked the AP keypad: it's OK there.
> >> So I suspect a wrong conversion... possibly for all of us
> >> sitting E of Greenwich...
>

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