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Capture 2 minutes SPI traffic and save it
pilot5599:
Hello,
I have a Rigol MSO5204 oscilloscope. I'm trying to figure out if it's possible to capture a 2 minutes SPI trffic and save it to the USB drive. Or the capture can be saved to Windows?
I managed to connect the scope to my Windows via LAN. I'm able to do remote control from the web browser in my Windows. But I don't know if it's possible to save a relative long period of captures directly to Windows. I tried the USB drive. But it can save the current screen.
I understand I can decode those 4 analog channels. If I connect my device via the digial channels to the scope. Can I decode those digital channels?
Thanks in advance!
thm_w:
Its much easier to do this with a $10 sigrok USB logic analyzer. Depending on the speed of your SPI bus.
Yes you can decode on either the analog or digital inputs.
Someone:
--- Quote from: pilot5599 on June 24, 2024, 11:53:33 pm ---I have a Rigol MSO5204 oscilloscope. I'm trying to figure out if it's possible to capture a 2 minutes SPI trffic and save it to the USB drive. Or the capture can be saved to Windows?
I managed to connect the scope to my Windows via LAN. I'm able to do remote control from the web browser in my Windows. But I don't know if it's possible to save a relative long period of captures directly to Windows. I tried the USB drive. But it can save the current screen.
--- End quote ---
Scope has 200Mpts of memory, can capture >2min at 1M sample per second.
Where is the problem?
thm_w:
OP says they are only getting the current screen data, so maybe the file format or settings they use to export are incorrect.
Either way its a bit of a hassle, as mentioned here:
https://www.eevblog.com/forum/testgear/rigol-mso5000-unrecorded-memory-garbage/
https://github.com/ngscopeclient/scopehal-apps/issues/287
dietert1:
I would try a STM32 nucleo board with 2 SPIs to sniff transactions on both MOSI and MISO and send it to a windows or linux host via USB continuously. Everybody uses what they are familiar with.
Regards, Dieter
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