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INDI Library v2.0.6 is Released (02 Feb 2024)

Bi-monthly release with minor bug fixes and improvements

Ekos won't connect to Nexdome rotator system (SOLVED)

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  • Thank you received: 155
I just installed a Nexdome rotator motor and it uses a USB cable to connect to the computer. I am using a MacBook with the OS X version of KStars (3.4.3).
INDI recognizes the rotator firmware, but then the handshake fails.

s.indi] - NexDome : "[DEBUG] Connecting to /dev/cu.usbmodem14101 @ 9600 "
[2020-09-17T08:35:26.991 MDT DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Port FD 3 "
[2020-09-17T08:35:26.991 MDT DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Connection successful, attempting handshake... "
[2020-09-17T08:35:26.993 MDT DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] CMD <@FRR> "
[2020-09-17T08:35:26.993 MDT DEBG ][ org.kde.kstars.indi] - INDI Server: "2020-09-17T14:35:26: Driver indi_nexdome: Handshake lines currently set to 6"
[2020-09-17T08:35:26.993 MDT DEBG ][ org.kde.kstars.indi] - INDI Server: ""
[2020-09-17T08:35:27.049 MDT DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] RES <:FR3.3.0> "
[2020-09-17T08:35:27.050 MDT INFO ][ org.kde.kstars.indi] - NexDome : "[INFO] Detected rotator firmware version 3.3.0 "
[2020-09-17T08:35:27.051 MDT DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] CMD <@FRS> "
[2020-09-17T08:35:30.057 MDT INFO ][ org.kde.kstars.indi] - NexDome : "[ERROR] Serial read error: Timeout error. "
[2020-09-17T08:35:30.057 MDT DEBG ][ org.kde.kstars.indi] - NexDome : "[DEBUG] Handshake failed. "
[2020-09-17T08:35:30.058 MDT DEBG ][ org.kde.kstars.ekos] - "NexDome" is disconnected.
[2020-09-17T08:35:30.058 MDT INFO ][ org.kde.kstars.ekos] - "NexDome is disconnected."

I can use the manual buttons on the motor itself to move it, so It works. The issue is just the USB connection to INDI.
3 years 6 months ago #60146

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  • Posts: 992
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I found out that I must have the shutter motor system up and running in addition to the rotation system in order for this to work. The system was hanging while waiting for the shutter.
The following user(s) said Thank You: Sonny Cavazos
3 years 6 months ago #60163

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Perhaps not - I am getting the same error and the Shutter is clearly connected. I can't slew the dome or open teh shutter - despite the driver connecting and reporting the right firmware version.

I've recently tried to get back into kstars after a spell of using Voyager as my daily (because I needed to get imaging done during variable weather conditions and Ekos doesn't handle that too well and I don't have the coding skills to add the new functionality I need!) - a little sad that it's not working.
2 years 2 months ago #79344

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Be sure the SLAVE and Rotation settings are correct. I have found many times INDI wouldn’t load the settings back and so the speeds were reset back to zero. Thus the dome and shutter wouldn’t move.
2 years 2 months ago #79348

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