Jan Hruby replied to the topic 'unmet dependencies on Odroid XU4 arm ubuntu mate 16.04' in the forum. 7 months ago

I can connect ASI183MC pro on my laptop (ubuntu mate 16.04) only as root too. If I do it as a user I get immediately "[ERROR] Error connecting to the CCD (5)". As root it connects normally and works as expected. On Odroid I expanded user's rights to admin and still cannot connect.

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Jan Hruby replied to the topic 'unmet dependencies on Odroid XU4 arm ubuntu mate 16.04' in the forum. 8 months ago

first I thought it's download issue but when I hit "pause" instead of "stop" it keeps looping saying 'shall pause after finishing current exposure'. It doesn't even proceed to downloading step and repeats exposing the very same frame.

Rapid looping makes no difference.

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Jan Hruby replied to the topic 'unmet dependencies on Odroid XU4 arm ubuntu mate 16.04' in the forum. 8 months ago

Now i have other problem. Asi183mc connects, I can chance all settings but capture is looping without showing or saving anything. Can't take preview or live video either. Log doesn't show any error, exposing one frame after another until I hit stop. Can't see "downloading" message. Camera works fine on laptop. Can it do something with rights? I'm running kstars as superuser now. User cannot connect the camera on odroid.

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Jan Hruby replied to the topic 'unmet dependencies on Odroid XU4 arm ubuntu mate 16.04' in the forum. 8 months ago

My fault, it works now. I was trying to establish remote access to odroid and short after I got it working the router died. Now I came up with ingenious idea to use RPi3's hotspot as an access point and it works.

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Jan Hruby replied to the topic 'unmet dependencies on Odroid XU4 arm ubuntu mate 16.04' in the forum. 8 months ago

still same...

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Jan Hruby created a new topic ' unmet dependencies on Odroid XU4 arm ubuntu mate 16.04' in the forum. 8 months ago

I just installed and upgraded latest ubuntu mate and kernel 4.14 following instructions from hardkernel without errors.

However can't install indi-full as it depends on indi-fli which depends on libfli1 and that on fliusb-dkms which is not available (or ... but it is not installable, E: Unable to correct problems, you have held broken packages.)

??

is it INDI or ODROID issue?

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Jan Hruby replied to the topic 'QHY9 & QHY23 odd behaviour (=not working)' in the forum. 8 months ago

QHY23 - problem persists (limited exposure to less then 90sec). Didn't check functionality of QHY9.

Is here somewhere an archive with old drivers? Some older versions worked fine.

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Jan Hruby created a new topic ' QHY9 & QHY23 odd behaviour (=not working)' in the forum. 1 year ago

Updated indi on both laptop and RPi3 (Ubuntu Mate 16.04) recently and on QHY9s doesn't work cooling (first it gave some unrealistic temperature in millions of degrees) and exposure, but without crashing.

QHY23 works fine except I can't set longer exposure than 86.4sec. Why now the arrows for changing exposure time are not in full seconds but in 0.001sec steps? That's pretty useless.

Fortunately I have other RPi3 with old INDI version where both qhy9 and qhy23 work fine including long exposure times. Affected small computer is actually my new Odroid XU4, seems to be a good replacement for RPi3 in computing power but I'm having trouble establishing hotspot (no internal wifi) and of course neither my DSO camera works there.

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Jan Hruby replied to the topic 'Latest indi_qhy driver does not work' in the forum. 1 year ago

Just tested on QHY9s and cooling seems to work fine so as CFW2s - I tried changing temp below and above zero, turning it on/off with normal response. All 5 filters can be reached and repeatedly.

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Jan Hruby replied to the topic 'Latest indi_qhy driver does not work' in the forum. 1 year ago

With newest update it works again. Thanks for super fast fix. Even QHY5R-II-C seems to work. I'm unable to get neutral colour from it but I guess it's gonna be fine for guiding. Can't test it right now as I live close to the polar circle.

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Jan Hruby replied to the topic 'Latest indi_qhy driver does not work' in the forum. 1 year ago

Ubuntu Mate 16.04 arm on Raspberry Pi3

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Jan Hruby replied to the topic 'Latest indi_qhy driver does not work' in the forum. 1 year ago

same here. Just updated my RPi3 and QHY driver crashes at start up.

A couple of days ago I updated my T420 thinkpad and that works fine (obviously older update). Are older updates available in some repository or is here somewhere update history?

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Jan Hruby replied to the topic 'Do it yourself focuser: which one?' in the forum. 2 years ago

uses INDIDUINO - I didn't find it very user friendly.

I just mock tested Focuserv168_DRV8825_M.ino and it indeed works with moonlite driver under INDI. I have to make some changes for my construction as it rotates the motor too slowly (I'm using 1/32 microstep but driver is made for full or 1/2 step). It's the way to go.

Easydriver is fine.

+ you don't need any other components (like capacitors) as one is already on the driver (all other common drivers such as DRV8825, DRV8834, SSS etc must have capacitor between Vin and GND, size about 47-100uF and not less than 50V to eliminate voltage spikes, believe me, driver won't survive that).

- easy driver can drive motor with only 500mA and it tend to generate some heat. My Nema11 motors are 670mA and Nema 14 motors on eBay run on 800mA or 1200mA. Running these motors with easydriver gives probably too little torque.
- offers only 1/8 microsteping but not sure how much limiting this is. My EQ5 handcontroller is using Silent Step Sticks (SSS) at 1/32 microsteps and the highest slew speed is 1000x sidereal so fainter steps don't limit max speed.

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Jan Hruby replied to the topic 'Do it yourself focuser: which one?' in the forum. 2 years ago

Looks promising, understandable code with possible modifications. The only thing is that it's so complex that last hour I've been just installing missing libraries and for some reason can't get LCD.h working. "No such file or directory". Despite LCD.h is present in LiquidCrystal library. Or did I missed something? Is there a simple "focuser only" sketch? I don't need LCDs, sensors, analog buttons...

at the end of .pdf file is addressed uneven microsteping issue with DRV8825 and possible solution with four diodes. Didn't give satisfactory results. DRV8834 shows smoother movement but keeps missing steps on regular basis (different microsteping with only 2 MS pins and limited motor voltage to under 11V and max current is 1.5A). Absolutely smooth and even microsteping can do only Silent Step Stick (look at github, easiest to order from Germany or your local distributor, don't bother to search on eBay). There is a user friendly version for 5V systems only, I recommend to start with that one so no need to worry about power up sequence. And as a bonus it's really absolutely silent (in silent mode, I didn't notice any noticeable drop in torque). At slower speeds I have to look or touch the belt to sense a motion, so silent it is.

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Jan Hruby replied to the topic 'Do it yourself focuser: which one?' in the forum. 2 years ago

And also I plan to attach it to my newton too once I master the firmware.

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Jan Hruby replied to the topic 'Do it yourself focuser: which one?' in the forum. 2 years ago

I doesn't answer your question directly but I'm building auto focuser too. Here are some pictures.

Motor is Nema11 sized stepper with MXL 15T pulley and belt attached to micro focusing wheel (in case of TS apo it gives reduction 1:10 or 11). Belt teeth don't exactly fit into the focuser wheel but it's working even when the belt is quite loose. Aluminium bracket is 2mm thick, screws are M2.5. Belt length is MXL60 and width 6mm. It's controlled by stepper motor driver and arduino nano hidden in the white box with blue buttons on the first picture, 2 buttons are for slow F/B, two other for fast forward/backward (original idea was to use two for driving F/B and other two as speed regulation, it's just sketch issue). Inside the box now is Pololu DRV8834 but I plan to upgrade it eventually with Silent Step Stick (I have them in EQ5 handcontroller and I'm very pleased with silent, smooth and precise operation). Actually I don't use this focusing box at all, I reconnect cable from DEC motor and operate the focuser with mount handcontroller when RA motor is still tracking - don't need DEC for focusing.

So far it's for manual remote focusing, better than touching the focuser with fingers but not automatic. That will be next step but I didn't get into Indiduino and Formata protocol yet. Arduino is loaded with Formata sketch and appropriate INDI driver is modified with correct arduino pins, then PC (RPi3 in my case) is connected to Arduino via USB and it should work.

I looked briefly into formata/indiduino files but I didn't understand it very much where and how to define step/dir/sleep pins in indiduino (also my sleep pin is common with reset and microstepping DRV pins but I have separated Enable).

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