5i25t firmware screwup

PCW
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06 Oct 2025 21:27 #335955 by PCW

Replied by PCW on topic 5i25t firmware screwup

okay I am now trying to figure out what I need to do to make the 7i74 communicate to the 7i84. it has a pwr LED on and nothing else.

You likely need a sserial_port_1=0000XXXX or similar in your hal file

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Cooped-Up
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06 Oct 2025 23:45 #335959 by Cooped-Up

Replied by Cooped-Up on topic 5i25t firmware screwup

It seems as if the internal port p1 is not showing up in my pins... I'm not sure why that is

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PCW
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06 Oct 2025 23:56 - 07 Oct 2025 00:06 #335960 by PCW

Replied by PCW on topic 5i25t firmware screwup

Because P1 pins are all assigned to sserial_port_1, I would not expect
them to be enabled unless sserial_port_1 is enabled in the hal file,

something like:

loadrt hm2_eth board_ip="10.10.10.10" config="num_encoders=6 sserial_port_0=000 sserial_port_1=00000000"

Last edit: 07 Oct 2025 00:06 by PCW.

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Cooped-Up
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07 Oct 2025 00:07 #335961 by Cooped-Up

Replied by Cooped-Up on topic 5i25t firmware screwup

I added port 1 and it did t change anything, I also tried getting rid of the port call-out as I read in another forum post that if you don't specify then all ports are available. Neither changed the results

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PCW
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07 Oct 2025 00:23 #335962 by PCW

Replied by PCW on topic 5i25t firmware screwup

Some versions of LinuxCNC require the sserial_port_n stanza or the port is not enabled (for ports 1,2,3)

Is the 7I84 red LED illuminated?

Do you have field power supplied to both A and B 7I84 field power sections?

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Cooped-Up
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07 Oct 2025 00:37 #335964 by Cooped-Up

Replied by Cooped-Up on topic 5i25t firmware screwup

The red light is on yes, I don't have power to a and b just one. I was thinking the jumper position tied the 2 together but I could be wrong

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Cooped-Up
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07 Oct 2025 00:47 #335966 by Cooped-Up

Replied by Cooped-Up on topic 5i25t firmware screwup

I have just now added another wire going to 7i84 field power so now A and B has power. I added the line you suggested having both serial 0 and sserial 1 called out. I still am currently getting the same error that the pins on 7i84 don't exist.

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PCW
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07 Oct 2025 01:02 #335968 by PCW

Replied by PCW on topic 5i25t firmware screwup

Do you get a blinking green light on the 7I84?

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Cooped-Up
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07 Oct 2025 09:54 #335987 by Cooped-Up

Replied by Cooped-Up on topic 5i25t firmware screwup

No I didn't get a blinking green light, the 7i77 flickered a few times and went back to red.

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Cooped-Up
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07 Oct 2025 10:14 #335990 by Cooped-Up

Replied by Cooped-Up on topic 5i25t firmware screwup

I decided I didn't like the looks of the Ethernet cable I was using so I went and grabbed 2 different ones to try. When I plugged it in a new yellow light turned on and when I launched the CNC page it blinked green a few times before giving me the same error pins on 7i84 don't exist.

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