Mesa 7I96S + 7I85S Bitfile

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16 Dec 2022 09:47 #259619 by Stefan321
Hello,
i need help to create a bitfile for the 7I96S. I would like the 7I85S to provide me with 3 encoder inputs and generate 3 Step/Dir.
the rest should be sserial.

I have already tried to create a bit file myself, but ISE 14.7 always gives me errors.

Greeting

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16 Dec 2022 15:30 #259642 by PCW
Replied by PCW on topic Mesa 7I96S + 7I85S Bitfile
The 7I85S can only have one sserial port

There is standard firmware for a 7I96S and a 7I85S:  7i96s_7i85sd.bit
 

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16 Dec 2022 20:13 #259671 by Stefan321
OK thanks for the answer. but where can I get the bitfile. Is there a library in which all bit files are? Since I can't create one myself and I'm still very new. have no experience with linux cnc and mesa.

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16 Dec 2022 20:53 #259675 by PCW
Replied by PCW on topic Mesa 7I96S + 7I85S Bitfile
You can download them from our webstore

search for 7I96S
click on item
cllck on specification
click on support software

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16 Dec 2022 22:06 #259678 by Stefan321
i think this is what i have already done but i got a big pack of bin and pin and ucf and vhd hostmod2 files. I see but no bit data. i think i'm doing something wrong. I think I'm being a little stupid

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16 Dec 2022 22:20 #259680 by tommylight
No you are not, it just takes a bit to get used to.
Unzip the downloaded archive, open the 7i96s folder, open configs, open hostmot2, there are a lot of files, find the one with this name: 7i96s_7i85sd.bit
Copy that file to your home folder, open a terminal and type :
sudo mesaflash --device 7i96s --addr 10.10.10.10 --write 7i96s_7i85sd.bit
After that finishes writing the firmware, type :
sudo mesaflash --device 7i96s --addr 10.10.10.10 --reload
That is it.
Be aware that i am typing this from memory.
P.S.
Changing the title to reflect the 7i96S as it states 7i69S
The following user(s) said Thank You: 1240

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16 Dec 2022 22:47 #259682 by PCW
Replied by PCW on topic Mesa 7I96S + 7I85S Bitfile
Actually this is my fault, the correct firmware file is

7i96s_7i85sd.bin

(not .bit)

This is in the

hostmot2/configs/

subdirectory
The following user(s) said Thank You: tommylight

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16 Dec 2022 23:50 #259686 by Stefan321
ha ok, I've often fallen over the bin files. When I open the appropriate pin file, I unfortunately notice that the config is for 4 axes and 2 encoders. do i see that correctly plus 1 rs tx. As for the 7I85S.

I need 3 axes and 3 encoders on the 7I85S. is there also a suitable config?

because I would like to bring my milling spindle encoder back and then an xyz glass scale.

the milling spindle is a servo that i would like to control via step dir.

and thanks for the help

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16 Dec 2022 23:56 #259688 by Stefan321
which I still don't quite understand. when i try to create a bin file myself in ise 14.7, it always tells me error in synthesize? even if i try other packets from other mesa cards

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17 Dec 2022 00:04 - 17 Dec 2022 00:05 #259691 by PCW
Replied by PCW on topic Mesa 7I96S + 7I85S Bitfile
The 7i96s_7i85sd.bin configuration has:

9 step/dir channels (5 on 7I96 and 4 on 7I85S)
2 sserial channels (1 on 7I96S and 1 on 7I85S)
5 encoders (1 on 7I96s and 4 on 7I85S)

Note that the encoders are multiplexed so each interface pin
supports 2 encoder pins.

The 7I96S uses an Efinix FPGA so you would need the
Efinix tool chain to make firmware for the 7i96S.
Last edit: 17 Dec 2022 00:05 by PCW.

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