#garfield Logs

Aug 29 2022

01:21 AM rue_mohr: I might be a bit off my normal lines for two weeks while I leave my job
09:39 AM skunkwor1s is now known as skunkworks
01:32 PM polprog: so i was hacking the FPGA more today
01:32 PM polprog: figured out how to load the bitstream from under linux thats booted on the CPU
01:32 PM polprog: Zynq MP SoC pretty cool stuff
01:33 PM polprog: 4 arm cores and FPGA fabric
01:33 PM polprog: in one chip
01:33 PM polprog: must be expensive as heck tho
01:33 PM polprog: 1200 USD for a dev kit hooo
01:33 PM polprog: (official from Xil)
02:57 PM polprog: thinking about buying one of the EBAZ4205
04:38 PM Tom_L: if i create a fork in git that won't affect the main branch will it?
04:38 PM Tom_L: i don't do git...
04:39 PM Tom_L: but i'd rather do that than continually edit my changes locally
04:39 PM Tom_L: when i could just fix the fork and save them there
04:39 PM Tom_L: it's for testing
04:58 PM polprog: if you fork yes
04:58 PM polprog: alternatively you can branch
04:58 PM polprog: git branch [new br name]
04:58 PM polprog: git checkout [new br name]
04:58 PM Tom_L: which is more detatched?
04:59 PM Tom_L: i know about branches
04:59 PM Tom_L: i don't need a branch
04:59 PM polprog: fork, github fork is a separate repository
05:50 PM Tom_itx is now known as Tom_L
08:53 PM rue_mohr: .
08:53 PM rue_mohr: my replacement keypad is looking good
08:54 PM rue_mohr: there are apparently 3 machines at the fitness shop that need new keypads
08:54 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250384.jpg
08:54 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250385.jpg
08:54 PM rue_mohr: I copied the design and had osh do them for me
08:55 PM Tom_L: which one is yours?
08:56 PM rue_mohr: the dark one
08:56 PM Tom_L: they do plastics now too?
08:56 PM rue_mohr: the orig is silver/carbon paint
08:56 PM rue_mohr: "flex pcb"
08:56 PM Tom_L: right
08:56 PM rue_mohr: its that high temp stuff
08:56 PM Tom_L: who did the button cover?
08:56 PM Tom_L: original?
08:56 PM rue_mohr: transferred from the orig
08:57 PM Tom_L: good stuff
08:57 PM rue_mohr: it uses little metal caps, like pop bottle lids
08:57 PM rue_mohr: they are taped over the pad sets, then there is a spacer layer, then the cover layet
08:57 PM rue_mohr: r
08:58 PM rue_mohr: the old one had the silver oxidize away in a bunch of places
08:58 PM Tom_L: probably alot of use there
08:58 PM rue_mohr: I thought of getting a silver pen to fix it, but I think that wouldn't last long
08:58 PM rue_mohr: they blame it on what they were washing the machines with during covid
08:59 PM Tom_L: i doubt it, they were covered switches
08:59 PM rue_mohr: something got at the silver
08:59 PM Tom_L: hmm
09:00 PM rue_mohr: it was a nice opportunity to try a task like this
09:00 PM rue_mohr: I was pretty sure I could pull off a copy
09:00 PM rue_mohr: I used inkscape to vectorize a dxf, then took that into kicad as a ref and built it up
09:01 PM rue_mohr: had to tidy up a few positions, but I'm excited
09:01 PM rue_mohr: I'm also dirt tired
09:01 PM rue_mohr: for EI, its important to work full hours your last 2 weeks at a job
09:02 PM rue_mohr: for the last 2 years its been just about impossible to work a full week
09:02 PM Tom_L: EI?
09:02 PM rue_mohr: but I realized it because I'm being intentionally excluded from potential work
09:02 PM rue_mohr: employment insurance
09:02 PM Tom_L: why are they excluding you?
09:03 PM Tom_L: that's discrimination
09:03 PM rue_mohr: thats part of the whole political problem that has me leaving
09:03 PM rue_mohr: its kinda my fault.
09:03 PM rue_mohr: the guy at the root of it is a buddy I brought in
09:03 PM rue_mohr: was a buddy
09:13 PM rue_mohr: in a conversation our other buddy called him an asshole
09:13 PM rue_mohr: I was kinda taken
09:13 PM rue_mohr: I'd only have gone down to jerk
09:13 PM Tom_dev: https://github.com/pftf/RPi4/releases/tag/v1.33
09:13 PM Tom_L: that may be what i need to try and encorporate into this build
09:13 PM Tom_L: but i don't know how
09:13 PM Tom_L: that and a kernel
09:13 PM rue_mohr: ok
09:13 PM rue_mohr: how about this
09:13 PM Tom_L: but
09:13 PM rue_mohr: use the common instructions to build a 'normal' rpi image
09:13 PM Tom_L: it needs done on a live build config
09:13 PM rue_mohr: then copy out the boot disc it uses
09:13 PM Tom_L: it needs done on a live build config
09:15 PM rue_mohr: Description-en: collection of bootloaders (DOS FAT and NTFS bootloader)
09:15 PM rue_mohr: syslinux is a suite of bootloaders, currently supporting DOS FAT and NTFS
09:15 PM rue_mohr: filesystems (SYSLINUX), Linux ext2/ext3/ext4, btrfs, and xfs filesystems
09:15 PM rue_mohr: (EXTLINUX), PXE network boots (PXELINUX), or ISO 9660 CD-ROMs (ISOLINUX).
09:15 PM rue_mohr: .
09:15 PM rue_mohr: This package contains the bootloader for DOS FAT and NTFS filesystems
09:15 PM rue_mohr: (SYSLINUX).
09:16 PM Tom_L: i think syslinux (isolinux) is the wrong one
09:17 PM Tom_L: been looking for something arm64 flavored
09:19 PM rue_mohr: it was kinda brought up today that I wasn't even introduced to the work co-ordination system now being used at work
09:19 PM Tom_L: https://github.com/LinuxCNC/linuxcnc-live-build
09:19 PM Tom_L: huh
09:19 PM Tom_L: that's the build we're working on but it's highly modified
09:20 PM Tom_L: it can be configured for buster and bookworm
09:20 PM rue_mohr: Tom_L, show me the uncommented lines from /etc/sources.list
09:20 PM rue_mohr: syslinux will probably be non-free
09:20 PM rue_mohr: you might not have that included
09:20 PM Tom_L: i installed it on the host pc
09:20 PM rue_mohr: I'm tired as hell
09:21 PM Tom_L: don't worry with it now
09:21 PM rue_mohr: hardly got any sleep last night and did a full days work
09:21 PM Tom_L: it's not an easily solvable thing
09:21 PM Tom_L: but i am making slow progress
09:21 PM rue_mohr: I 3d printed a ball bearing (not the balls)
09:21 PM Tom_L: i'm to the point of getting the bootloader / kernel tied into it now
09:22 PM rue_mohr: its aweful, and I used docorative beads for the balls
09:22 PM Tom_L: for what?
09:22 PM rue_mohr: nothing
09:22 PM rue_mohr: this is second rev, I still have the size wrong.
09:22 PM Tom_L: what we are doing has been done exactly once
09:23 PM Tom_L: but i dunno what build system he used
09:23 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250389.jpg
09:23 PM Tom_L: cute
09:23 PM rue_mohr: :]
09:23 PM rue_mohr: I'v never assembled a bearing, so that was kinda fun
09:24 PM Tom_L: put the spacer in last
09:24 PM rue_mohr: :) yea
09:24 PM rue_mohr: its neat how there is just enough room
09:25 PM rue_mohr: 2758, its been growing again
09:27 PM rue_mohr: what other junk I got ...
09:27 PM Tom_L: i've done little to nothing
09:27 PM Tom_L: just putzing with this project a bit
09:28 PM rue_mohr: its hard when your between things
09:28 PM rue_mohr: sometimes the gaps are long
09:28 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250376.jpg
09:28 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1250380.jpg
09:28 PM rue_mohr: with the big cnc
09:28 PM rue_mohr: I'm going to use half chain, half steel cable
09:28 PM Tom_L: getting better at that
09:28 PM rue_mohr: so instead of 4 sprockets, I need 2 sprockets and 2 pullies
09:29 PM rue_mohr: I got them both made up on sunday
09:29 PM rue_mohr: morning-ish
09:29 PM Tom_L: hope you find something you like to do
09:29 PM rue_mohr: I was kinda hurrying and my mind wasn't totally on it with the work situation
09:30 PM rue_mohr: I'm ok with a generic 9-5
09:30 PM Tom_L: should be a fairly high demand job
09:30 PM rue_mohr: a company was talking to me, they asked how I was at installing AV equipment :)
09:30 PM Tom_L: hah
09:30 PM rue_mohr: I realized that my skills might be insane for the average job
09:31 PM rue_mohr: meh
09:31 PM rue_mohr: "Oh well, damn, the pcb burned up, I'll go build a replacement"
09:31 PM rue_mohr: :)
09:31 PM rue_mohr: hahaahha
09:31 PM Tom_L: drier stopped... time to work
09:32 PM rue_mohr: a shed? yea, sure, give me a week on that
09:32 PM rue_mohr: at some point do I come down with imposter syndrome?
09:37 PM Tom_L: nope not done. just can't hear anymore