7i97t Mesaflash Problem
- Robin123
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29 Dec 2025 18:46 #340669
by Robin123
7i97t Mesaflash Problem was created by Robin123
Hallo zusammen,
vorab ich bin absoluter anfänger mit Linux.
Habe eine alte Fräsmaschine auf eine Mesa 7i97t umgebaut und durch dieses Forum etc. Alles soweit zum laufen gebracht.
Das ursprüngliche Problem war das ich die Analog Outputs für die Endstufen nicht steuern konnte.
Meine Vermutung --> falsche Firmware auf der Mesa.
Habe versucht die richtige zu laden, funktionierte nicht. Es kam immer eine meldung das es nicht bekannt war oder so ähnlich.
Meine Vermutung --> zu alte mesaflash version.
Habe dann versucht die neue Version zu laden, da bei jemand anderen hier im Forum es mit 3.5.10 funktioniert hat.
Dann war git nicht mehr da und so weiter .... habe nach vielen vielen Stunden git und alles andere wieder soweit ich beurteilen kann drauf.
Habe nun das aktuelle Mesaflash paket.
mit dem befehl -make in dem Ordner kommt aber die Meldung: pkg-config can't find libpci
Wenn ich nun Versuche dies zu installieren, kommt die Meldung das cvs, perl-dbdabi-94, perlapi-5.32.0 und libc6 >=2.38 fehlen. (libc6 2.36-9 ist installiert) ....
Ich komme dort irgendwie nicht weiter.
Es kann sehr gut sein das ich einiges falsch gemacht habe, kann das leider absolut nicht einschätzen.
Ich bin für jegliche Hilfe sehr Dankbar!
Habe Linuxcnc 2.8, debian 12
Danke!
vorab ich bin absoluter anfänger mit Linux.
Habe eine alte Fräsmaschine auf eine Mesa 7i97t umgebaut und durch dieses Forum etc. Alles soweit zum laufen gebracht.
Das ursprüngliche Problem war das ich die Analog Outputs für die Endstufen nicht steuern konnte.
Meine Vermutung --> falsche Firmware auf der Mesa.
Habe versucht die richtige zu laden, funktionierte nicht. Es kam immer eine meldung das es nicht bekannt war oder so ähnlich.
Meine Vermutung --> zu alte mesaflash version.
Habe dann versucht die neue Version zu laden, da bei jemand anderen hier im Forum es mit 3.5.10 funktioniert hat.
Dann war git nicht mehr da und so weiter .... habe nach vielen vielen Stunden git und alles andere wieder soweit ich beurteilen kann drauf.
Habe nun das aktuelle Mesaflash paket.
mit dem befehl -make in dem Ordner kommt aber die Meldung: pkg-config can't find libpci
Wenn ich nun Versuche dies zu installieren, kommt die Meldung das cvs, perl-dbdabi-94, perlapi-5.32.0 und libc6 >=2.38 fehlen. (libc6 2.36-9 ist installiert) ....
Ich komme dort irgendwie nicht weiter.
Es kann sehr gut sein das ich einiges falsch gemacht habe, kann das leider absolut nicht einschätzen.
Ich bin für jegliche Hilfe sehr Dankbar!
Habe Linuxcnc 2.8, debian 12
Danke!
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- JT
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29 Dec 2025 21:25 #340678
by JT
Replied by JT on topic 7i97t Mesaflash Problem
Using translator
Hello everyone,
First of all, I'm a complete beginner with Linux.
I've converted an old milling machine using a Mesa 7i97t board and, thanks to this forum and other resources, I've managed to get everything working so far.
The original problem was that I couldn't control the analog outputs for the power amplifiers.
My guess was that the wrong firmware was installed on the Mesa board.
I tried to load the correct firmware, but it didn't work. I kept getting a message that it was unknown or something similar.
My guess was that the mesaflash version was too old.
I then tried to download the new version, as someone else here on the forum had success with version 3.5.10.
Then git was missing, and so on... After many, many hours, I've managed to get git and everything else installed again, as far as I can tell.
I now have the current Mesaflash package.
However, when I run the command `make` in the folder, I get the message: `pkg-config can't find libpci`.
When I try to install this, I get a message that cvs, perl-dbdabi-94, perlapi-5.32.0, and libc6 >= 2.38 are missing. (libc6 2.36-9 is installed)...
I'm completely stuck.
It's very possible that I've done several things wrong; I simply can't assess the situation properly.
I would be very grateful for any help!
I'm using LinuxCNC 2.8 and Debian 12.
Thank you!
Hello everyone,
First of all, I'm a complete beginner with Linux.
I've converted an old milling machine using a Mesa 7i97t board and, thanks to this forum and other resources, I've managed to get everything working so far.
The original problem was that I couldn't control the analog outputs for the power amplifiers.
My guess was that the wrong firmware was installed on the Mesa board.
I tried to load the correct firmware, but it didn't work. I kept getting a message that it was unknown or something similar.
My guess was that the mesaflash version was too old.
I then tried to download the new version, as someone else here on the forum had success with version 3.5.10.
Then git was missing, and so on... After many, many hours, I've managed to get git and everything else installed again, as far as I can tell.
I now have the current Mesaflash package.
However, when I run the command `make` in the folder, I get the message: `pkg-config can't find libpci`.
When I try to install this, I get a message that cvs, perl-dbdabi-94, perlapi-5.32.0, and libc6 >= 2.38 are missing. (libc6 2.36-9 is installed)...
I'm completely stuck.
It's very possible that I've done several things wrong; I simply can't assess the situation properly.
I would be very grateful for any help!
I'm using LinuxCNC 2.8 and Debian 12.
Thank you!
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29 Dec 2025 21:28 #340679
by JT
Replied by JT on topic 7i97t Mesaflash Problem
Did you install the required libraries with
Typically you use sudo make install to build and install mesaflash.
gnipsel.com/linuxcnc/mesact/index.html
JT
sudo apt install libpci-dev libmd-dev pkg-config build-essential gitTypically you use sudo make install to build and install mesaflash.
gnipsel.com/linuxcnc/mesact/index.html
JT
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- PCW
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30 Dec 2025 01:30 #340692
by PCW
Replied by PCW on topic 7i97t Mesaflash Problem
Also note that the pre-installed firmware on a 7I97T fully supports the standard analog and digital I/O
You typically only need different firmware if you have an added parallel daughtercard
Analog output problems are most likely a hal file or tuning/polarity issue
You typically only need different firmware if you have an added parallel daughtercard
Analog output problems are most likely a hal file or tuning/polarity issue
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30 Dec 2025 19:21 #340728
by Robin123
Replied by Robin123 on topic 7i97t Mesaflash Problem
First of all, thank you so much for the quick replies! With the spontaneous help of a colleague, I downloaded the latest version of mesaflash, etc., did the same thing, and it worked for him. However, the problem is still that I can't control the analog outputs. I got the idea about the firmware because I read somewhere that I need a different version so that analog output is available instead of PWM. Currently, I have PWM 00...05, with both value and enable settings. When I set enable, the Mesa outputs about 0.35V at the analog output. Scale = 10 Max_output = 10 Do I need to adjust anything else? If you need any further information, please let me know! Thank you!
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30 Dec 2025 19:32 #340729
by PCW
Replied by PCW on topic 7i97t Mesaflash Problem
Can you post your hal/ini files?
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30 Dec 2025 19:39 #340732
by tommylight
Replied by tommylight on topic 7i97t Mesaflash Problem
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30 Dec 2025 19:44 #340734
by Robin123
Replied by Robin123 on topic 7i97t Mesaflash Problem
I just edited the automatically generated .ini and .hal files as needed or commented out lines until LinuxCNC worked. The limit switches, etc. are also not wired yet; I just want to test the old amplifiers once. So, nothing fancy. Maybe I removed too much there or haven't adjusted it yet...?
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30 Dec 2025 21:04 #340740
by PCW
Replied by PCW on topic 7i97t Mesaflash Problem
The hal file is almost entirely commented out so will not do much.
I would start again (with the original files) and if you get a LinuxCNC startup error, post it here
I would start again (with the original files) and if you get a LinuxCNC startup error, post it here
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31 Dec 2025 18:50 #340788
by Robin123
Replied by Robin123 on topic 7i97t Mesaflash Problem
I've now loaded the standard 7i97t ini and hal files, and after a few minor adjustments, LinuxCNC is working (name, IP). In the hal file, I've only commented out the encoders and end positions for now, as they aren't connected yet. Is it even correct that the analog outputs are displayed as PWM? The only difference is that the value is set to higher values (e.g., 17) when using the LinuxCNC interface.
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