7i80db16 7i85s only one stepgen out
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31 Jul 2026 20:47 #348310
by billykid
7i80db16 7i85s only one stepgen out was created by billykid
I had a 7i80 with a 7i85s and a 7i37 working with 3 stepgen, I tried reconnecting it and only a step dir signal comes out of the y-axis and that's it. I loaded the firmware 7i80db_16_7i85sx3d.bit. I don't understand what could have happened, I put it away and all three axes worked.
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31 Jul 2026 22:34 #348314
by PCW
Replied by PCW on topic 7i80db16 7i85s only one stepgen out
What does mesaflash --readhmid report when the 7i80db_16_7i85sx3d.bit firmware is loaded?
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01 Aug 2026 07:14 - 01 Aug 2026 11:33 #348330
by billykid
Replied by billykid on topic 7i80db16 7i85s only one stepgen out
Here is the file, you can see that stepgen 03 has only dir , I don't understand why I put aside this combination: 7i80-7i85s-7i37 went 3 motors in step dir. I only need it as a transition because then I will switch to the 7i97t in analog, but for now I wanted to use step dir for 4 motors without any encoder or anything else.
in practice only the stepgen 3 one doesn't work
in practice only the stepgen 3 one doesn't work
Last edit: 01 Aug 2026 11:33 by billykid.
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01 Aug 2026 14:15 #348346
by PCW
Replied by PCW on topic 7i80db16 7i85s only one stepgen out
Ahh that's a pin file error, I'll fix that today or tomorrow.
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01 Aug 2026 16:18 #348350
by billykid
Replied by billykid on topic 7i80db16 7i85s only one stepgen out
Anyway, I solved it with 7i80db_16_7i85sx2d.bit and replacing stepgen00 with stepgen04, now everything works. I'll leave it like this, as I'll switch the 7i97t to analog soon. Thanks!
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01 Aug 2026 20:05 #348356
by PCW
Fixed 7i80db_16_7i85sx3d.bit and 7i80db_25_7i85sx3d.bit
Replied by PCW on topic 7i80db16 7i85s only one stepgen out
Fixed 7i80db_16_7i85sx3d.bit and 7i80db_25_7i85sx3d.bit
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