LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

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22 Jan 2024 18:11 #291354 by meister
Sorry,
old lathe converted to cnc with 3d printed parts.
nothing adjusted, rattles and wobbles ;)

BUT, G33 also works also on the rewrite branch:

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22 Jan 2024 19:08 #291357 by tuxcnc

G33 also works also on the rewrite branch:
 

Where are configs?

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23 Jan 2024 08:36 #291407 by meister
you can add something like this to your json config:
{
"type": "vin_quadencoderz",
"name": "spindle_encoder",
"pullup": true,
"function": "spindle-index",
"scale": 600.0,
"pins": {
"a": "86",
"b": "85",
"z": "84"
}
},

this will add this lines to the rio.hal:
setp rio.spindle_encoder-scale 600.0
net spindle-position rio.spindle_encoder => spindle.0.revs
net spindle-index-enable rio.spindle_encoder-index-enable <=> spindle.0.index-enable

 
The following user(s) said Thank You: tuxcnc

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27 Jan 2024 10:54 #291739 by eduardo20
We develped the possibility to load a new bistream file into the Tangnao9k via browser while the Tangnano9k is connected via USB to your PC.

Let me know if you are interested in that.

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27 Jan 2024 11:07 #291740 by eduardo20
We try to make it easy for people to build the firmware and generate a bitstream.

We currenlty offer some demo designs for different FPGA boards which you can generate on our webisite.

caas.symbioticeda.com/

We can also generate bitsteams for Tangnano9k. Please understand that we use the more modern Himbaechtel placer&router.

We can grab gateware designs from github

Let me know if you are interested

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27 Jan 2024 11:45 #291743 by eduardo20
Under nextpnr there is a new placer&router for gowin devices called Himbaechtel which generates much better results.

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27 Jan 2024 21:44 #291767 by meister
Thanks for the tip with Himbaechtel, I will give it a try,
but I don't think we need a CAAS web service for this project.

BTW: Arty7 with onboard Ethernet works now :)
www.youtube.com/shorts/0F0jCE0DY8k

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28 Jan 2024 12:46 #291795 by eduardo20
That is great.
Do you generate the bitstream For Arty7 with the open source FPGA tools for Xilinx?
github.com/openXC7

That would be awesome!

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28 Jan 2024 20:21 #291825 by meister
thanks,
not yet, using only the oss tools from the oss-cad-suite

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