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| mithro | Have people seen http://kastner.ucsd.edu/hlsbook/ ? | 01:11 |
|---|---|---|
| tpb | Title: Parallel Programming for FPGAs | Kastner Research Group (at kastner.ucsd.edu) | 01:11 |
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| infinite_recursi | Are there existing codes for letter display through vga in verilog? Something like a shell program with no commands? | 12:48 |
| infinite_recursi | So all letters when typed on keyboard show up and on pressing enter the line moves up and one can type something else on next line starting with a $ | 12:49 |
| infinite_recursi | ? | 12:49 |
| lambda | infinite_recursi: I doubt it exists already, but shouldn't need much more than a UART, a text renderer and a small state machine | 12:50 |
| lambda | (or s/UART/some kind of input peripheral/ | 12:51 |
| infinite_recursi | Where can I get a text renderer? | 12:52 |
| infinite_recursi | uart and fsm I can create, I think text renderer should be quite some work, creating pixel representations for every character on keyboard | 12:52 |
| lambda | feel free to use my graphics submodule, it's VHDL though https://gitlab.com/YARM-project/soc/-/tree/master/vhdl/components/gfx | 12:52 |
| lambda | it interfaces to a memory storing the character codepoints using tram_addr and tram_data in gfx_module.vhd | 12:54 |
| infinite_recursi | Thanks, this is great. Though, is there nothing like this in verilog? | 12:56 |
| lambda | there probably is, but since I don't use verilog I don't know anything in particular, sorry | 12:58 |
| infinite_recursi | No problem, thanks, the work text renderer helped | 13:03 |
| infinite_recursi | Found https://github.com/gipi/electronics-notes/tree/master/fpga/mojo/VGAGlyph | 13:03 |
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| lambda | is the TMDS_33 IOSTANDARD (for DVI and HDMI) supported yet? if not, what does it get lowered to, LVCMOS33? | 16:51 |
| sf-slack | <acomodi> TMDS_33 is not yet supported, but LVCMOS33 yes | 16:52 |
| lambda | alright, then I'm just gonna assume that's why my HDMI output doesn't work :) | 16:53 |
| sf-slack | <acomodi> Most probably yes, that's the reason. FYI, I need to double check, but all the supported IOSTANDARDS at the moment are: LVCMOS[12|15|18|25|33] and SSTL[15|135] | 16:55 |
| sf-slack | <acomodi> From the prjxray perspective, this would be the fuzzer that requires an enhancment to increase the range of IOSTANDARDs supported: https://github.com/SymbiFlow/prjxray/tree/master/fuzzers/030-iob | 17:00 |
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| umarcor | infinite_recursi: the ref I provided the other day has text rendering, https://github.com/juanmard/screen-pong/tree/master/stage-03 | 18:01 |
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| sf-slack | <timo.callahan> Has anyone explored how much of the whole ecosystem can run on *ChromeOS-Linux*? I've checked that dfu-util works with Fomu, and openocd & picocom work with Arty, but I haven't yet tried installing/running LiteX or Symbiflow. One thing that DOESN'T seem to work is connecting to Fomu after it's programmed and should be visible on /dev/ttyACM0. | 18:49 |
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| sf-slack | <pgielda> ChromeOS Linux runs inside kvm so its not using the same linux kernel | 20:36 |
| sf-slack | <pgielda> so you will not see /dev/ttyACM0 as its kinda a different computer | 20:36 |
| sf-slack | <pgielda> maybe crosvm supports USB forwarding somehow | 20:37 |
| sf-slack | <pgielda> I seem to remember that it was supposed to be supported at one point but not sure if it does not filter out uart devies like /dev/ttyACM* etc | 20:38 |
| sf-slack | <pgielda> something you probably could try to experiment is vmc in crosh | 20:40 |
| sf-slack | <pgielda> and see what it can do nowaydays | 20:40 |
| sf-slack | <pgielda> in any case you have to somehow forward the USB to the virtual machine that linux runs in, it might be doable, might not. | 20:42 |
| sf-slack | <pgielda> otherwise everything linux should work, its kinda just a debian running in a vm | 20:42 |
| Evidlo | can anyone recommend a devboard for learning to interface with ethernet, an SD card, and some memory? | 20:48 |
| Evidlo | I was maybe considering an Arty board with some PMODs, although I think I would prefer a Lattice board | 20:50 |
| mithro | Evidlo: Arty is the best one if you want a Xilinx device, a ECP5 board like the https://www.crowdsupply.com/radiona/ulx3s or the new https://shop.lambdaconcept.com/home/46-1-ecpix-5.html seem like pretty decent options | 20:52 |
| tpb | Title: ULX3S | Crowd Supply (at www.crowdsupply.com) | 20:52 |
| Evidlo | is knowledge fairly transferrable between boards? my long term goal is to eventually get 10GigE with an ECP5 | 20:52 |
| Evidlo | than second one looks like it has more peripherals than the Arty anyway | 20:53 |
| mithro | Evidlo: if you stay on the open source tools -- then yes, if you need to use proprietary tools -- it's much harder | 20:55 |
| Evidlo | any reason I should prefer the bigger ECPIX-5? I really have no idea how many cells/LUTs I would need | 21:01 |
| Evidlo | long term project is to do some DSP on several hundred streams of data and send it over 10 gigabit ethernet | 21:03 |
| mithro | Evidlo: I would always suggest going bigger if you can afford it | 21:22 |
| -_whitenotifier- [fasm] mithro opened issue #49: Split the antlr parser into it's own Python package - https://git.io/JtwlW | 22:12 | |
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