Monday, 2022-05-23

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ikskuhi guess it's time to return to FPGAs soon. someone just dropped me a FOMU last weekend11:30
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josuahikskuh: they are very fun: can be programmed with dfu-util too, makes it easy11:54
ikskuhyeah, i've seen that it tells me it's a DFU device11:55
ikskuhbut i feel a bit lost, how do i upload the bitstream when the DFU interface is on the FPGA?11:56
Sarayanthere must be a usb plug somewhere12:06
xiretza[m]the fomu is basically ALL USB plug :D12:06
xiretza[m]ikskuh: I think you just need to make sure you always flash a working DFU, or you have to fix it via SPI12:18
ikskuh/o\12:21
ikskuhokay, that was my guess, but wanted to make sure before i do stupid things12:21
xiretza[m]you'll probably be fine if you only use their toolchain, but if you want to use it freely I'd just solder an SPI flasher to it12:22
ikskuhright. i guess i'll stick to their toolchain then12:23
ikskuhalso not sure what to do with it except for having a RISC-V cpu to play around with12:24
xiretza[m]yeah, it doesn't exactly have great IO options :p12:24
ikskuh^^12:25
ikskuhi'm going on vacation and i noticed it's still plugged in my usb port, so it seems like i'm taking the FOMU to the netherlands12:25
ikskuhkinda fun to have a tiny computer in the always-on-port12:26
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grmblikskuh: i grabbed an orangecrab12:48
grmbldidn't do anything with it yet, but the orangecrab and the ulx3s make for more interesting projects imho12:49
* qball dug up an 4 year old encrusta (enclustra) pe1 board with an xu5 to play with.12:49
ikskuhgrmbl: i got a ECP5-EVN board, Mach-XO, Mach-XO2, Mach-XO3, and a DE-MAX10 :D12:51
ikskuhi have plenty of stuff to play with, the FOMU was basically plugged into my laptop and someone said: "it's yours now, have fun"12:51
qballI got boards, but little time.12:51
ikskuhqball: exactly!12:51
ikskuhbut i got something even more important now: motivation!12:51
qballalso got a huge virtex ultrascale+12:51
qball180mbyte bitfile.. or so12:52
ikskuhholy moly12:52
qballhaveit for 3 years now, not even turned on12:52
qballI do have tons of 7020 in use12:52
ikskuhthe other problem i have is that i have an aversion on PCB drawing12:53
ikskuhno idea why12:53
ikskuhi just … don't do it, even if i want to12:53
grmblencrusta :D12:54
grmblqball: how many LUTs ?12:54
qball(sorry not their biggest fan). 12:54
grmblno the biggest fan of what ? x*linx ?12:54
qballenclustra12:55
qballthe 206 gb vivado install also did not make me happy with xilinx :-/12:55
ikskuhyosys is so smol12:56
grmbli deal with xilinx for a living12:57
grmbli am _not_ happy either12:57
grmbland their non-vivado tools aren't good either, cf Vitis (bleeech) or Petalinux12:58
qballvu9p by the looks of it.12:58
qballhmm I see somebody damaged a pin header.. fun12:59
qballluckely nothing serous.12:59
grmblare these the ~50k€ ones ?13:01
qballno, not that bad13:19
qball10k I think university price13:19
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