#apertus IRC Channel Logs

off to bed now ... have a good one everyone!

great, metal_dent[m] do you want to start as usual?

just a few updates... i was trying to understand an example of the UART communication i found

i haven't gotten the time to commit it yet though

many thanks, BAndiT1983 any comments or next steps to add?

*moment

bluez: your turn!

so last week i was finally able to reconfigure an LUT 'without' fixing it to a particular location

for this i got the slice/lut location through vivado... i then used the database from prjxray, wrote a few scripts, which could get the frame addresses associated with a particular slice/lut location

this is via PCAP frame access or did you generate a bitstream for that?

excellent!

so, now my next task is to find a suitable 'entity' and a suitable manner to update that entity easily through PDR

s/with/while/

that's it from me!

nah, dynamic register reconfiguration is within reach!

well..almost

looking forward to replace the many registers we have in the Beta ....

and yes, there is still a lot of work which needs to be done

indeed :)

quick updates from me:

there is just one 90° pin header THT component without ETA

in worst case we hand solder that one later, no big deal

before that happens its hard to tell when we get a slot

so all green light from us there

yes, manfred with the cnc mill

(and a base structure to hold them, and probably the PCBs, in place)

but I am sure he also has a collection of dowel pins if that is the route

I will also talk to him regarding the sensor socket bank insertion depth and tool

they said they have the photos and component locations anyway and dont need anything else

I think there shouldn't be anything special or unexpected

(as long as the parts go on the correct PCB side :)

I spent the weekend (on and off) with building a ZIF frontend and cleaning and testing the parts we got from felix recently

but it might help them to get a dual slot plugin for easier registration

on the 'power' connectors (i.e. the 2x2 short and long pin headers)

so maybe also provide them with an empty power board PCB for this purpose

back to the ZIF SFE, I haven't been able to test it yet, but this should happen in the next few hours

that's it from my side for this week

anyone else who wants to share/report/ask?

thanks for the moderation!

off for now ... bbl

Hello. After being inactive for a while on the axiom-beta I wanted to try to find some time for it. I flashed the latest firmware on an SD card but having an issue where the system just keeps rebooting non-stop and not providing the user login prompt. Is anyone around that might be able to help? Thanks!

which version have you used? 2.0?

ok, they should fit, so the guys will maybe know what's going on

how are you connecting? Are you able to provide a boot log? How are you powering the camera? It sounds a bit like maybe your powersupply is not providing enough power and powering up the sensor resets the camera...

how are you powering it over USB?

But yeah thats probably it

Came with the camera

gcolburn: I see, so yeah your laptop is probably not providing enough power to power up the sensor, which is now done automatically on boot of the camera. You can either try a beefier power supply (~15 Watts should work), or (atleast if you are using a OS / have a setup that can access a ext4 partition) disable the automatic startup of the aquisition pipeline.

hi gabe, welcome back :D

Bertl_oO would be able to tell that

No obvious errors

vup is right, currently it sounds like a power issue

the beta draws up to 20-30W, no laptop can supply that

also the cable has two USB connectors right?

Yes it does. It also has an external DC power in

the two usb connectors power different things in the beta

The cable only has one USB connector for power

we have no usb power cable with one connector...

can you share a picture?

https://paste.pics/ ?

There is a power cable that goes to the power adapter (v0.2) R1.1

Yeah. I'm not powering the camera through the standard USB/UART port (not the JTAG)

then please follow vups advice

uart to mac should be fine

Yeah it seemed to connect no problems :)

we collected a few sticks that work

off for a bit, vup would you be so kind and assist gabe if any further steps need to be taken

yeah that all sounds very much like a power supply issue.

Thanks. I could see arguments either way about the defaults on that.,

I've tried connecting the power to an outlet with a USB adapter, as well as a 12V power bank and still get a restart around when the login prompt shows up

Thanks. Already flashed it and just booted it up. I'm able to log in now. Thanks!

hey gcolburn! how's going? LTNS!

considering covid-19 and everything going on nowadays, I'd say I had it quite good so far ...

gcolburn: nice, so that makes me 99% sure that your powersupply cannot handle running the sensor

raw data transfer out of the camera

gateware rewrite in nMigen

what are the changes being worked on the raw data transfer?

mostly new hardware solutions based on USB3 and SATA

vup: what is the recommended power supply? Also, once logged in should I manually activate the service you disabled, or use the axiom_start.sh script?

do I see that correctly from your image link that you are trying to power the Beta from a single USB port?

Gotcha

gcolburn: I have been using various usb-c power bricks with variyng success. USB PD ones almost never work, but the "dumb" ones that just give 3A have been working fine so far. Usually the developer kit includes a suitable power brick though.

Enabeling the service will probably make the camera reboot again. But of course leaving it stopped means you can not do anything with the sensor. Currently doing something like `systemctl start axiom_start` and `axiom_start.sh` do the same, but in the future, `systemctl start axiom_start` is probably the better choice

*Enabling

to a wall outlet with USB power port, as well as a battery and it made it further before rebooting

gcolburn: were you using the sensor with the old setup?

(was the blue led on the beta blinking)

heartbeat I presume

when you start the image pipeline, the blue led should start flashing (or at least glowing) as well

Do you know if power usage has gone up with newer firmware? I didn't have these issues in the past and even ran it in the field off a battery (using the same battery right now and it is rebooting)

power usage might have gone up because more stuff is running

do you still have your original power brick that came with the Beta?

if so, it should be easy to verify whether the power supply is to blame or not

Looks like my wall USB only puts out 1Amp!

1.5A is pure luck :)

Are there any scripts for reporting power usage?

but it doesn't report peak usage, just some average

ok thanks

it should be an YU0506, black brick, blue LED, white text on the back with a yellow frame around it

https://shop.apertus.org/image/cache/catalog/dc-power-supply-800x400.jpg

in case you can't find it, it doesn't need to be this specific power supply, but you should look for one which can supply at least 5A (and 5V of course) and has the proper polarity (shold be on the tiny power adapter PCB :)

(it was conveniently photographed from the side where you can't see the information :)

here you go :)

Thanks!

found the power supply and its up and running now :)

yes, it is! :)

this will be part of the 'enclosure'

Gotcha

if you scroll down a little, you can see the filter mount

Great. Yeah that's the video I saw

prototypes are working so far and it shouldn't be too long till it is actually available

there are still some open points and we need to test it with the new power board which was adapted for the enclosure

gotcha

yeah, why not

on a light box

there are nice tools for the stitching ...

Definitely. and stitching behind the lens would be trivial since you don't have to correct the lens distortion

Looks like I can resolve the grain of the film, which isn't possible with an Epson flatbed

On 4x5 film the resolution would easily be hundreds of megapixels. The rough mental math was on the order of 500-600. I'd have to do more rigorous calculations, but that was ball park assuming 12MP/image determining the # of images required for an APS-C to sample a 4"x5" area

Yeah. I've have stepper motors and a controller but need a good 2 axis linear slide setup

so personally I would put the camera on rails and just move it around

as long as you make sure that there is some reliable overlap, you should be fine

But as you mentioned it doesn't need to be very precise, so cheaper parts should work well