Mesa 7i76e => hm2_eth: Unrecognized ethernet board

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9 years 4 months ago #94237 by bymccoy
How do you configure the 7i76e with daughter cards?

I have a 7i85 quad encoder on first port and plan in future to add a 7i76 on the second port.

Is this configured via firmware, onboard config or via the host software (LinuxCNC?)

Thanks!

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9 years 4 months ago #94244 by PCW
You need to have firmware that matches the daughterboard set you have
for example, a 7I76E+7I85 would use 7i76e_7i76x1_7i85x1D.bit
firmware.

LinuxCNC would need to be configured to use the added encoders

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9 years 4 months ago #94280 by bymccoy
Ahhh, okay...

Where is the firmware, can I upload it using Linux and are there instructions as to the process?

I couldn't find any info regarding the LinuxCNC config - what needs to be done in config to recognise/use the added IO?

Thanks

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9 years 4 months ago #94324 by PCW
the 7I76E firmware is bundled with the 7I80 firmware
www.mesanet.com/software/parallel/7i80.zip

If you add encoders, you will likely need to change the num_encoders constant
on the hm2_eth command line
(man hostmot2 for info on driver options)

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9 years 3 months ago #95477 by JackBerkhout
Hi,
when I set the name on my new 7i76e board as above, I see:
Old Name: 7I76E-16
New Name: 7I76E-16

So that was not the problem, but still, if I enter 'metaflash --device 7I76E-26 --verbose', it comes back with:
Error: Device name 7I76E-16 is invalid.

The board is new, I'm not able to flash new firmware. I guess.
What am I doing wrong?

Kind regards,
Jack.

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9 years 3 months ago #95478 by PCW
The mesaflash device name is just 7I76E

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