7i96s board not detected

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16 Jul 2022 12:06 #247452 by vkhargwanshi
Hello,

After 20 days of wait finally I received my first MESA 7i96s board. I connected it to Raspberry pi using ethernet cable. It needs 5v supply, I provided the same though Pi board.

Its showing Power LED on, but the DONE (CR7) LED is also ON (Red color). As per 7i96s manual, it should be OFF else there is problem with configuration of FPGA.

I am unable to ping the board. I have set the Jumper W5 Up and W4 Down. So expecting it to work on 10.10.10.10. However sudo ifconfig also not detecting the ethernet. I am expecting here IP address to be seen. 

eth0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        ether e4:5f:01:9d:24:22  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

I have not installed hostmot2, but tried copying the available libraries from mesanet to /lib/firmware/hm2

I am actually lost. Is there any step by step guide that I am missing?

Please help, what am I missing.

Thank you
Vandana

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16 Jul 2022 12:27 - 16 Jul 2022 12:33 #247454 by arvidb
Replied by arvidb on topic 7i96s board not detected
You need to manually configure the IP address. For temporary testing the "ip" tool works great:
# ip addr add 10.10.10.11/8 dev eth0
# ip link set eth0 up
Once it's working you need to figure out how to set up a static ip address on your distro (edit: to make it permanent).
Last edit: 16 Jul 2022 12:33 by arvidb.

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16 Jul 2022 12:47 #247455 by tommylight
Replied by tommylight on topic 7i96s board not detected
If your network adapter is showing as "eth0", most probably you have an older version of Linux, and that will most probably not work with Mesa boars.
You need the Preemot-RT kernel for Mesa boards:
www.linuxcnc.org/iso/linuxcnc-2.8.2-buster.iso
Then configure network as per
linuxcnc.org/docs/html/man/man9/hm2_eth....FACE%20CONFIGURATION
Change the name of the network adapter to your adapters name.
Also, you do not need any firmware for 7i96S, so no installation.
For access to all features of the 7i96S it does need the Master version of LinuxCNC, but for normal use 2.8.2 from the download link should do just fine.

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16 Jul 2022 13:10 #247460 by PCW
Replied by PCW on topic 7i96s board not detected
"Its showing Power LED on, but the DONE (CR7) LED is also ON (Red color). As per 7i96s manual, it should be OFF else there is problem with configuration of FPGA."

If you have a red LED on _after_ power up, there is a FPGA configuration issue.

I would first check that your 5V power supply is adequate as a marginal power supply can cause this issue.

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16 Jul 2022 15:59 #247471 by vkhargwanshi
I am using the preemot RT kernel but not by using the given iso, as it doesn't work on Raspberry pi 4B, 8GB.

So I downloaded from one of the forum thread. which works for me
I cross checked the kernel version is its Linux 5.10.74-rt54-v8+ #1 SMP PREEMPT_RT Fri Oct 22 10:15:42 PDT 2021

Do I need to change? Please suggest.

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16 Jul 2022 16:07 #247474 by tommylight
Replied by tommylight on topic 7i96s board not detected
If it is RT, nk need to change it.
The following user(s) said Thank You: vkhargwanshi

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16 Jul 2022 16:08 #247475 by vkhargwanshi
I just copied pasted the command without observing that its adding address 10.10.10.11 instead of 10.10.10.10, which is the default IP address on EEPROM.

However it got added and I could ping to 10.10.10.11 now..

Now I want to understand on how can I be confirmed if its really pinging the board as the address is different..

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16 Jul 2022 16:09 #247476 by vkhargwanshi
I cross checked the power supply and on multi-meter its showing 5.09V - 5.1V. Hope this will not cause issue... I mean little more than required..

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16 Jul 2022 16:20 #247477 by PCW
Replied by PCW on topic 7i96s board not detected
"However it got added and I could ping to 10.10.10.11 now.."

If you are pinging 10.10.10.11 you are pinging the RPI, not the 7I96s (at 10.10.10.10)

If you still have a red light after power up, there is still a start up issue with the card

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16 Jul 2022 16:23 - 16 Jul 2022 16:25 #247478 by arvidb
Replied by arvidb on topic 7i96s board not detected

I just copied pasted the command without observing that its adding address 10.10.10.11 instead of 10.10.10.10, which is the default IP address on EEPROM.

However it got added and I could ping to 10.10.10.11 now..

Your computer needs a different IP address than the 7i96S. So the command to add 10.10.10.11 to eth0 is correct. To check if the 7i96S is responding you need to ping 10.10.10.10 though. If you ping 10.10.10.11 you are just pinging localhost (the computer itself).

Edit: PCW beat me to it :)
Last edit: 16 Jul 2022 16:25 by arvidb.

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