tekkydave
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Everything posted by tekkydave
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I often download to my ubuntu desktop then transfer to pi using scp cd to wherever the file has been downoaded to, then scp file.tar.gz pi@192.168.1.95: You will need to enter Pi's password when prompted. It will put file in /home/pi
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Use wget followed by the url Then to extract: tar xvfz <filename.tar.gz> this is same as method used for bcm2385. To work out the url find the download link in a browser and hover over it or right click - there is usually a way to discover it.
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Yes, the apt-get utility will connect to the repositories that are set up by default and download the packages.
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Best thing is not to just power off. Use sudo shutdown -h now
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I usually just ssh from a linux terminal window. From windows if you want a fancier terminal emulator than putty look at mobaxterm
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I've spent the afternoon fiddling with Ekos trying to work out how it all works. Kstars seems to be behaving itself. I think I'll hold fire now until I have built the HAT electronics. Sorry you are feeling down Gina. I've got another 9hr shift tomorrow so having a break from it all.
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Control-C
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CdC connects fine from a Windows VM running on the same PC. Unfortunately it only allows mount control so not an integrated solution. I'll have to persist with KStars for now.
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KStars seems to crash at random running on my Ubuntu PC.
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I don't seem to be able to post videos so here's a still pic
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The stepper is moving I still need to work out what all the Ekos options mean and do but it moves when you press the "Focus In" and "Focus Out" buttons here: Its doing full stepping at the moment as I haven't connected up the M0, M1 pins yet
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Yes - the physical pin 11 on the gpio connector.
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I installed Astroberry from source as follows and now it starts with no errors - not tested with the stepper driver yet I needed these dependencies installing on Raspbian. Ubuntu may already have them and the installation method is different but no harm done if you reinstall them. They should be in your standard repositories sudo apt-get install subversion cmake libgps-dev Then download source and build: svn checkout svn://svn.code.sf.net/p/astroberry/svn/trunk/ astroberry-svn mkdir indi-astroberry cd indi-astroberry cmake -DCMAKE_INSTALL_PREFIX=/usr ../astroberry-svn make sudo make install Now to connect up the stepper...
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I have checked the bcm2835 library and it appears to be installed & working. I had V1.42 installed so I have installed the latest (V1.50) wget http://www.airspayce.com/mikem/bcm2835/bcm2835-1.50.tar.gz tar xvfz bcm2835-1.50.tar.gz cd bcm2835-1.50 ./configure make sudo make install To test it I hooked up my DVM to pin 11 and used the blink program in the examples folder cd examples/blink gcc -o blink blink.c -l bcm2835 sudo ./blink The voltage on pin 11 should swing from 0V to 3.3V and back every 0.5s. I had to slow it down a bit so I edited blink.c and changed the 2 lines containing bcm2835_delay(500); to bcm2835_delay(3000); recompile as above and run again. It's a bit easier to see on the DVM now. So that rules out the bcm2835 library. Back to Astroberry. I will download and recompile from source to see if that improves things.
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Getting this on my RPi3 using internal wifi $ iwconfig wlan0 IEEE 802.11bgn ESSID:"<removed>" Mode:Managed Frequency:2.462 GHz Access Point: "<removed>" Bit Rate=43.3 Mb/s Tx-Power=31 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=39/70 Signal level=-71 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:26 Invalid misc:0 Missed beacon:0
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According to raspberrypi.org it is 11n. I'll see if I can find out what speed I'm getting.
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Once I have a working system for mount, focuser and my ZWO ASI120MC I mayl try rebuilding using Raspbian lite which has none of the X stuff and apps.
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Does indy-full contain the bcm2835 library? It is needed for astroberry to talk to gpio pins.
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It could be that that we both havent compiled bcm2835 correctly or it doesnt work on rpi3. Less likely than astroberry issue but I want to eliminate it.
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Another issue could be the bcm2835 library. I will try running a test program to check it is installed correctly.
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It should be fine. The Rpi3 has identical pinout and form factor to the Rpi2 according to raspberrypi.org
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Working today, 11:00-20:00 so there will be no progress on the focuser today . I think one possibility will be building the Astroberry drivers from source but it will have to wait. At least I'm only doing 16hrs/wk these days so more time for projects
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Also ordered one of these to take any extra circuitry e.g. focuser electronics, 12v to 5v regulator etc
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Trying these http://www.ebay.co.uk/itm/121660321431 the pic on ebay shows a motor driver mounted in them.
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Gina, any idea where I can buy a dil socket for the A4988 drivers. It's standard 0.1" pins but 16-way 0.5" between rows. I can't find them anywhere? Thanks.
