Sunday, 2021-06-06

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cr1901_florent_: I guess the answer is no, but if I have an old (full) build tree from a litex-boards build, is it possible to get the python command-line I sent back?04:41
cr1901Can prob be inferred from the headers, but maybe that's a "nice-to-have"? I'll implement said feature at some point if you accept it04:41
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gregdIs there a recommended sw layer for LiteEth? I see timvideos/hdmi2usb makes use of uIP, so that's probably what I'll try first09:53
gatecatgregd: there's also the minimal stack that the BIOS uses for TFTP boot: https://github.com/enjoy-digital/litex/tree/master/litex/soc/software/libliteeth09:54
tpb<https://x0.no/4uwzs> (at github.com)09:54
gregdgatecat: Thanks. I have seen that, that's currently how I'm doing ARP and sending "raw" UDP packets.09:56
gregdI'm intially wanting to support a telnet interface to replace the need for uart for debugging. So something that provides TCP is a requirement.09:57
gatecatyeah, uIP probably makes sense but I haven't personally tried it09:58
gregdneither, I've had a bit of experience with lwip.09:59
_florent_gregd: Contiki/uIP is indeed a good option if you want to go a further than with libliteeth from the BIOS12:34
_florent_it's easy to use and you can find very various documentation, I also used it a few years ago for similar reasons (having TCP/Telnet)12:35
_florent_Also, just for info, it's possible to have virtual UARTs over Etherbone (+ the UDP/IP Stack)12:36
_florent_For this, you just have to use a Crossover UART and use litex_term bridge12:37
_florent_It's convenient for some use case, but will probably use more resources than the uIP running on the CPU12:38
_florent_It's also not TCP12:38
_florent_That's what I'm using for debug/bringup on the SDS1104X-E support: https://github.com/360nosc0pe/scope12:39
_florent_cr1901: That would be nice to have this yes (+ also the different parameters of the SoC)12:40
gregdCool! I'm working on a Thermal Camera -> Ethernet interface, So I'm making use of the Hybrid MAC, SoC for admin/overhead, and a hw stream for image data.12:44
_florent_Nice, I also used it at some point on the SDS1104X-E: SW stack for the BIOS netboot + Linux driver and HW stack for Etherbone/UDP, it seems to be working fine but hasn't been tested extensively, so feel free to complain if you have troubles :)13:06
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