Norns: help

forrest · 2019-10-04T04:29:18.241Z

I’m seeing similar problems with my 190801 “Fates” Norns, checked into logs and didn’t see much that was helpful other than wifi isn’t working, I noticed there is no /etc/wpa_supplicant/wpa_supplicant.conf available but there is a /etc/wpa_supplicant/wpa_supplicant_bak.conf with some useless info in there… I dunno will keep looking into it… I can get a hotspot going every two in five boots maybe…

license · 2019-10-04T04:33:42.482Z

Have you tried rebooting your router? I saw the exact same thing last weekend and that sorted it for me.

forrest · 2019-10-04T05:34:37.908Z

I fixed it!

Turns out, I had to:

sudo vi /etc/NetworkManager/system-connections/my wifi network.nmconnection and fix the psk (password) under [wifi-security] … the password was ALL CAPITALS, and my password is lowercase on my router… I rebooted and it’s working now, BUT I had to fire up a hotspot FIRST then it will allow me to connect to the saved connection, otherwise it doesn’t show up in the list of options under “add”…

Update: now upon booting up, wifi connects automatically just fine, i was able to run “update” and upgrade to 190930 just fine with no problems so far

simonvanderveldt · 2019-10-04T18:50:41.895Z

We (obviously ) don’t change the password anywhere when we pass it to the wifi config tools, see https://github.com/monome/norns/blob/55b52551fd51ac9e714b9de8810e699cf4f20934/lua/core/wifi.lua#L265
I’m assuming this is pebkac, you might’ve had caps-lock on or something like that?

P.S. nmtui for a tui or nmcli for a command-line interface is probably easier/a better approach than editing NetworkManager files, since NetworkManager likes to keep it’s own state and overwrite stuff in the files it uses.

afr:

I bought a new Wifi nub today, with same specs as the one included, but still the same issue persists.

If you’re buying a different wifi USB stick buy a better one with a better/properly supported chipset (see https://llllllll.co/search?q=chipset%20topic%3A14016 for some posts about this in this topic).

forrest · 2019-10-04T18:54:25.570Z

An ID10-T error huh?

Is there a method in Norns to change the case? I didn’t realize, it looked like the only option was uppercase, at least that was the default.

Edit: well that’s embarrassing

zebra · 2019-10-04T19:26:53.294Z

Keep scrolling for lowercase

simonvanderveldt · 2019-10-04T20:28:38.558Z

20 characters of

synthetivv · 2019-10-05T04:39:36.579Z

I think I ran into this same problem this afternoon, listening back to a TAPE file, and for me it wasn’t exactly clipping – it sounded like clipping, but somehow extra awful. Lo and behold, when I zoomed in on the waveform:

Screen Shot 2019-10-05 at 12.34.14 AM.png733×527 11.2 KB

Apparently samples outside [-1.0, 1.0] were not clamped, but wrapped around.

I don’t think I heard these artifacts while recording, but I can’t say for sure. I was running a modified version of ash/earthsea with audio input feeding two softcut voices.

I won’t rule out my less-than-ideal “headless” setup (Raspberry Pi 3b+ with no special hardware, just a Behringer UMC-404 as audio interface) as the cause of my problem, but it sounded awfully familiar.

Obviously I too need to watch my levels. Someday I’ll have a screen, which will help with that…!

zebra · 2019-10-05T05:02:43.932Z

that makes me suspect that signal is out of range hitting tape, and getting wrapped during the conversion to 24b fixed.

i’ll try and reproduce. hard/soft clipper before tape write is probably called for.

[update] yep, this fixes it for me.

github.com/monome/norns

Fix clip before tape write

by catfact on 06:04AM - 05 Oct 19 UTC

2 commits changed 2 files with 14 additions and 14 deletions.

(i mean… you still don’t wanna be clipping.)

bemerritt · 2019-10-07T02:10:36.615Z

Sorry if this has been asked but my searches didn’t find an answer. How is norns at taking hot euro signals at the input?

Have a norns in the mail and am planning my rack which at this point would just be a mangrove, sisters, just friends, cold Mac and crow. Would rather not attenuate on the way in if I can just adjust in norns adequately. Thanks!

tehn · 2019-10-07T19:35:26.082Z

i would not suggest this— it’s the same as putting up to 10V into any normal soundcard. norns does not have any particular accommodation to temper these big signals, and it could even cause damage.

i use a RIP in between modular and norns, but there are smaller options of course.

yobink · 2019-10-07T19:39:01.541Z

4MS Listen IO works really well for this, and even sending norns into your modular.

ModularGrid

4ms Company Listen IO

4ms Company Listen IO - Eurorack Module - Stereo input/output interface for use with external equipment

Benjamin_Mauch · 2019-10-08T00:25:23.586Z

I recently was browsing through the norns library and found the intonation.lua file (https://github.com/monome/norns/blob/master/lua/lib/intonation.lua). If I wanted to add these scales to say Earthsea, how would I go about doing so? I have looked through the studies and tried a couple of things on maiden but couldn’t get anything to work.

zebra · 2019-10-08T01:21:15.955Z

earthsea already includes a JI tuning function:

github.com

tehn/ash/blob/master/earthsea.lua#L41-L46


-- pythagorean minor/major, kinda
local ratios = { 1, 9/8, 6/5, 5/4, 4/3, 3/2, 27/16, 16/9 }
local base = 27.5 -- low A


local function getHz(deg,oct)
  return base * ratios[deg] * (2^oct)

… which is not used by default. to use it, replace getHzET() with getHz().

to use a table from JI module instead, something like

local ji = require 'intonation'
local ratios = ji.zarlino()

… being aware than many of these scales have >12 degrees.

Benjamin_Mauch · 2019-10-08T01:32:10.026Z

Thank you so much @zebra! Trying this out tonight.

zebra · 2019-10-08T03:30:39.792Z

Oh, hm. My advice was incomplete. The JI and ET functions take different arguments. You would have to decompose the note number into degree and octave for the JI variant. This requires storing and using the number of scale degrees.

Maybe I will PR this, with tuning as an option parameter. I basically always use JI for this kind of thing.

Benjamin_Mauch · 2019-10-08T11:51:17.177Z

That would be really great- having tuning as an option parameter sounds really nice.

Thanks for the clarification!

mah · 2019-10-10T20:13:28.304Z

hello ya’ll. gonna throw the daydreams i’m having at work at you, to se if it could work in practice.

ok, first off, i want to connect my sequencer to norns, via usb. (im guessing no problems here, its class compliant)

Then i want to route one of the midi channels from my sequencer to, lets say the norns dx-7 emulator.

Then i want to route 4 other midi channels to a 16n to get converted to i2c for the er-301.

Then i want all the unused midi channels to get routed to a usb midi interface connected via usb to norns, but i want these channels to have a small delay, like 10ms, to compensate for the latency in the er-301.

I guess that about it, would i do these things i several scripts? or would i need to add all these functions to one script for it to run simultaneously?

sorry lots of questions, just trying to grasp the concept of whats possible with norns.

tehn · 2019-10-10T20:56:08.986Z

mah:

ok, first off, i want to connect my sequencer to norns, via usb. (im guessing no problems here, its class compliant)

what is the sequencer? is it a USB device? which sends midi?

mah · 2019-10-10T21:40:33.493Z

squarp pyramid, connected with usb (as a device) to “norns”, the pyramid sends midi, norns would act as a midi thru/utility while being used as a sound generator/processor