DanielVanNoord / open-phd-guiding

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Tilt and Frequency value for AO in GuideStep Message #264

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago
Its useful for remote app that manage OpenPHD to get info about AO tilt 
position and frequency work in Hertz. The best is to have this info in 
GuideStep Message.

Best regards,
Leonardo Orazi

Original issue reported on code.google.com by pegaso0...@hotmail.com on 10 Mar 2014 at 3:17

GoogleCodeExporter commented 9 years ago
Hi Leonardo,

I'm not sure I fully understand what you are looking for, maybe you could 
clarify.

The AO tilt position information is contained in the RADuration, RADirection, 
DECDuration, DECDirection values of the GuideStep event. That information gives 
the direction and magnitude of the incremental AO tilt. We could also report 
the absolute AO position (x,y) if that is what you are looking for. (I suppose 
we should rename the values to XStep and YStep when the "mount" is an AO.)

The AO frequency is the reciprocal of the exposure duration. You can invoke the 
get_exposure method to get the exposure duration. I suppose we should add the 
exposure duration to the StartGuiding event. Is that what you are looking for?

Andy

Original comment by andy.gal...@gmail.com on 10 Mar 2014 at 9:25

GoogleCodeExporter commented 9 years ago
Before all thank you so much Andy and Other developers ... great work on !!

I'm using SX-AO since 5 years .. i know frequency is not really the 1/T due to 
the command send on Serial port. I use Maxim like example sorry ... this 
program show a frequency related to time interval between a real tilt command 
sended an received. This help to understand if something gone wrong on 
connection ... on polar alignement (to much correction and so). My request i to 
know a measure of AO Hertz calculated from program measuring time period 
beetwen ack of the command. I hope to be a little more clear.

Also the tilt (in Maxim its expressed in 0-2048 integer value and can be 
transformed in %) are useful, Wich data format are recorded in the properties 
you mention about AO tilt ? I can use this ... if related to motor position of 
glass.

Thanks you so much.
Leo

PS without bin2 are difficult to use also with Lodestar ... i hope you 
implements this for lodestar in ASCOM indipendent way.

Original comment by pegaso0...@hotmail.com on 11 Mar 2014 at 9:55

GoogleCodeExporter commented 9 years ago
Forget .. thanks for non modal dialog ... this is my App .. talking and work 
perfectly with PHD2. Dedicated to AP traveling on the field for 
semi-automation. Just finishing the exposure session action. Completely free.

Original comment by pegaso0...@hotmail.com on 11 Mar 2014 at 11:37

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GoogleCodeExporter commented 9 years ago

Original comment by andy.gal...@gmail.com on 13 Mar 2014 at 7:43