hm2 BSPI documentation, examples?

Do you have a stock 7I92?

It could be 7I92T related but I doubt it since it works here

I take that back, the earlier 7I92T firmware with the /frame output works
but the 3a version does not

Do you have a 7I92 to test with, There looks to be a problems with the
BSPI  firmware on the 7I92T after I made the DBSPI (decoded) /BSPI (non-decoded) merge

I never thought I'd be so happy to hear something doesn't work, I can stop tearing stuff up now lol.

No I don't have a 7i92, I only have the 7i92th with modified headers.

Try this firmware:



I thought I had weeded them out but there were some left over
Xilinx-isms in the bufferedspi firmware module.

CLOCK!!!!!
 



I don't see anything printing in the terminal, did you have to do anything to get it to print the echo?

nevermind, I get the exact same prints you did but it took a bit to start

BTW, small request. Since the firmware makes it's way into the mesanet archive any chance you can name it ST-PnP-BoB or something? I have all my stuff for this in a git repo GPL2. Not sure anyone who may look for it will find it as blazini.

blazini36 wrote:

nevermind, I get the exact same prints you did but it took a bit to start
 

There must be some debug code embedded somewhere, maybe a
leftover from when Sebastian etc were working on it.

It must be my lucky day....

I checked the site for the mini-PC manufacturer and they had a newer bios, didn't think it would help but couldn't hurt.....

No issues with 1ms servo-thread now (was running 2ms and getting complaints about realtime delays). I haven't done any tweaking yet and the bios is pretty limited but I can live with 1ms if I can't get it any better.

PCW wrote:

Does the pin list linuxcnc prints at startup look reasonable?

Are the CS and SCLK pins driven? (pull down with a 1K resistor)
 

I have to revise the PCB again at some point, do you suggest I use pulldown resistors on the SPI lines (besides enabling the 4.7k networks on the 7i92)?

I can't find any info suggesting SPI lines should be driven externally , though it probably won't hurt to have resistor footprints on the PCB