7i80db connect to 7i76x2 and 7i74

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19 Apr 2021 07:53 #206365 by nhanpham
Dear all,
I'm currently working on implementing LinuxCNC on the following setup: one MESA 7i80db-16 FPGA board, that is connected to 2 MESA 7i76 boards and a MESA 7i74 for 4 SSI encoders. Do you know which .bit file should I flash on the FPGA for this specific configuration?

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19 Apr 2021 08:56 #206367 by tommylight
Might have to wait for PCW or make the firmware yourself ( it is open source ).
I had a similar setup for 5i25/7i77/7i74 with 6 SSI encoders, been running daily for over 4 years.

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19 Apr 2021 09:09 #206370 by nhanpham

Might have to wait for PCW or make the firmware yourself ( it is open source ).
I had a similar setup for 5i25/7i77/7i74 with 6 SSI encoders, been running daily for over 4 years.


Hi, I am newbie. How do I make the firmware?
I'm downloading the Xilinx_ISE_14.7. It's very large

thanks

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19 Apr 2021 09:10 #206371 by nhanpham

Might have to wait for PCW or make the firmware yourself ( it is open source ).
I had a similar setup for 5i25/7i77/7i74 with 6 SSI encoders, been running daily for over 4 years.


can you share your config file. I'm beginning for Linux cnc

thanks you very much

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19 Apr 2021 14:03 #206386 by tommylight
The following user(s) said Thank You: nhanpham

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19 Apr 2021 15:17 #206397 by PCW

File Attachment:

File Name: 7i80db_16_...ssid.zip
File Size:161 KB
Attachments:
The following user(s) said Thank You: nhanpham

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19 Apr 2021 15:21 #206398 by nhanpham

File Attachment:

File Name: 7i80db_16_...ssid.zip
File Size:161 KB


Ok thank you very much..
Can i use port 4 for INPUT/OUTPUT IO control?

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19 Apr 2021 15:24 #206400 by PCW
Yes, its just GPIO

I included the new pinout file so you can take a look at the layout
(or modify it)

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19 Apr 2021 15:26 #206401 by nhanpham

Yes, its just GPIO

I included the new pinout file so you can take a look at the layout
(or modify it)


Ok, I will try to modify it.. Thank you for your helping

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