Saturday, 2019-04-13

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hackerfoolitghost: deps_verilog.py: error: argument inputfile: can't open '/home/dusty/src/symbiflow-arch-defs/library/tbassert.v': [Errno 2] No such file or directory: '/home/dusty/src/symbiflow-arch-defs/library/tbassert.v'01:54
litghosthackerfoo: Ya, I forgot to commit it earlier, it will be merged in https://github.com/SymbiFlow/symbiflow-arch-defs/pull/570/files#diff-b10e2f1186a24169968c5f5f6e34db6301:55
tpbTitle: Add asserts for combintorial output combiner. by litghost · Pull Request #570 · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com)01:55
litghosthackerfoo: I'm waiting for green on CI, then it will be merged01:55
mithroelms: What is the `make format` for Python in symbiflow-arch-defs ?02:34
litghostformat_python02:35
mithrolitghost: Thanks!02:48
mithrohttps://fossi-foundation.org/latchup/#timvideoshackfest03:07
tpbTitle: Latchup (at fossi-foundation.org)03:07
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litghostOh thank god, I think I've found the bug on https://github.com/SymbiFlow/symbiflow-arch-defs/issues/49105:03
tpbTitle: [XC7] Some designs fail on hardware · Issue #491 · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com)05:03
litghostmithro: Turns out kem_'s check pushed me in the right direction, but not in the way I expected05:03
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flowHello, Does anyone know which arguments I have to pass to ecppack to generate an bit stream for loading in SPI Slave mode? If I enter no specific values and try to upload it following (the not very clear) instructions in the "ECP5 and ECP5-5G sysCONFIG Usage Guide" I keep getting CRC errors.18:24
daveshahI've never tried SPI slave mode18:25
daveshahMaybe it needs to be bit-reversed18:25
flowI think I can rule that out because as a check I tried sendin a bitstream with a wrong chipid in that case I get an "ID Error" while otherwise it is an CRC error18:28
daveshahI see18:45
daveshahDo you have a known-working bitstream from the vendor tools?18:46
daveshahOtherwise, perhaps try sending 7A (the bitstream burst command) 00 00 00 before sending the bitstream file itself18:59
flowI am just about to generate one with the official tool chain but have to set it up. Yes I tried that, without the 7A 00 00 00 I get an invalid comand response19:04
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