[TangerineSDR] Notes from PSWS / TangerineSDR call of 09-13-2021

[Tom McDermott]

Notes from PSWS / TangerineSDR call of 09-13-2021

1. Discussion on SD card I/O issues with Raspberry PI. Some recommendations
include: USB stick (but these can have issues), and SSD drive.  Rob
mentioned he sets up a RAM disk and does the data processing and reduction
in RAM before writing the (much smaller) dataset to storage. Disk drivers
have some mutexes in the kernel which may glitch some timing. Power supply
and lack of UPS also have caused some folks problems.

2. Dave mentioned to TAPR DCC folks to ignore the many sign-up for zoom
accounts links that have been mistakenly sent out. The correct link (not
requiring zoom registration) will be sent out shortly before the conference
(and was sent when a person originally registered for the DCC on the TAPR
store).

3. TAPR Digital Communication Conference (DCC) is this week - September 17
and 18.

4. The Linux on MAX10 project failed. The key files appear to be missing
from the git repository and the kernel cannot be built. The binary has
enough tables stripped out that reconstructing an ELF file was not possible
(i.e. trying to guess the compressed kernel call address table). Other
issues arose with the Altera HAL not supporting the processor used by the
Linux project (NIOS2/F). The software that comes with the MAX10 Rev C
development kit was finally located after going through many many dead
links.

-- Tom, N5EG
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