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- 2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
26 Apr 2020 21:33 #165704
by Uthayne
2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed? was created by Uthayne
I've got a 5i25/7i76 combo setup and I am using all of the available step gens on the 7i76. I am interested in adding my 2.8W laser diode into the mix and the spec sheet for the driver has a control signal max frequency of 5kHz. I believe that software PWM is going to be too slow to use it for raster engraving, so I think I need a new bitfile.
My current bitfile is for a 5i25/7i76 with 3 Encoder A channels in order to utilize the second THCAD-5 card for ohmic sensing. I would need to retain this capability, but adding a PWMGEN on P3.
If this all sounds correct, PCW: could I bother you to make a custom bit file for me? Is it possible to modify bit files yourself, or is it not advisable/possible? I understand that screwing it up could brick your card.
Attached is the output of mesaflash for my current bit file. 5i25/7i75 with 3 encoder A channels on P3.
My current bitfile is for a 5i25/7i76 with 3 Encoder A channels in order to utilize the second THCAD-5 card for ohmic sensing. I would need to retain this capability, but adding a PWMGEN on P3.
If this all sounds correct, PCW: could I bother you to make a custom bit file for me? Is it possible to modify bit files yourself, or is it not advisable/possible? I understand that screwing it up could brick your card.
Attached is the output of mesaflash for my current bit file. 5i25/7i75 with 3 encoder A channels on P3.
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26 Apr 2020 23:33 #165719
by PCW
5I25 bitfile for 7I76 with stepgen 4 replaced with 2 PWMgens
and 3 'A' pin only encoders replacing the single A,B,Z encoder
Replied by PCW on topic 2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
5I25 bitfile for 7I76 with stepgen 4 replaced with 2 PWMgens
and 3 'A' pin only encoders replacing the single A,B,Z encoder
Attachments:
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27 Apr 2020 01:50 - 27 Apr 2020 01:52 #165735
by Uthayne
Replied by Uthayne on topic 2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
Thanks PCW, but I need all 5 step gens (0-4) that are currently on the P3 header. I would like stepgen 5 repurposed as PWM.
Everything else was good
Edit: I realized in my initial post I said PWM on P3. I got P2 and P3 mixed up, sorry about that. PWM should go on P2
Everything else was good
Edit: I realized in my initial post I said PWM on P3. I got P2 and P3 mixed up, sorry about that. PWM should go on P2
Last edit: 27 Apr 2020 01:52 by Uthayne.
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27 Apr 2020 02:08 #165737
by PCW
Replied by PCW on topic 2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
Do you care about the P2 pinout?
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27 Apr 2020 02:10 #165738
by Uthayne
Replied by Uthayne on topic 2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
No.
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27 Apr 2020 02:34 #165740
by PCW
Replied by PCW on topic 2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
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The following user(s) said Thank You: Uthayne
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27 Apr 2020 02:45 #165743
by Uthayne
Replied by Uthayne on topic 2.8W Laser Diode Setup with 5i25/7i76 - Bitfile Needed?
Perfect, thank you sir!
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