Dan Drown ddrown
ddrown
/ elecrow-micropython-example.py
Created
August 12, 2024 16:50
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| """ | |
| ELECROW | |
| www.elecrow.com | |
| """ | |
| import lvgl as lv | |
| import time | |
| from espidf import VSPI_HOST | |
| from ili9XXX import ili9488 |
ddrown
/ gist:6c7780b722b218098757b5bb76e200fb
Last active
August 4, 2023 22:00
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| USB refclock = GPS PPS connected via USB | |
| teensy-X.lan = teensy based NTP servers (with hardware timestamps) | |
| config: | |
| refclock SOCK /var/run/chrony/chrony.ttyACM1.sock refid USB offset 0.000068 poll 3 | |
| MS Name/IP address Stratum Poll Reach LastRx Last sample | |
| =============================================================================== | |
| #* USB 0 3 377 5 -7698ns[-7963ns] +/- 5688ns | |
| ^- teensy-1.lan 1 4 377 17 -609ns[ -609ns] +/- 19us |
ddrown
/ btsnoop_hci.log
Created
July 17, 2023 20:55
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| Initial exchange between ChargePro2.0 app and HQST solar charge controller | |
| Frame 291: 20 bytes on wire (160 bits), 20 bytes captured (160 bits) | |
| Encapsulation type: Bluetooth H4 with linux header (99) | |
| Arrival Time: Jul 17, 2023 12:46:40.229311000 CDT | |
| [Time shift for this packet: 0.000000000 seconds] | |
| Epoch Time: 1689616000.229311000 seconds | |
| [Time delta from previous captured frame: 0.011403000 seconds] | |
| [Time delta from previous displayed frame: 0.012984000 seconds] | |
| [Time since reference or first frame: 12.425451000 seconds] |
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| powershell -ExecutionPolicy Unrestricted .\wsl2-ipv6.ps1 |
ddrown
/ gist:2bdd784da457773c9b3a13c713e5d899
Created
May 8, 2023 14:17
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| # create the namespace "Z-compressed." with the mdbox format | |
| namespace compressed { | |
| type = private | |
| hidden = no | |
| separator = . | |
| #subscriptions = no | |
| prefix = Z-compressed. | |
| location = mdbox:/home/vmail/%d/%n/compressed | |
| list = yes | |
| ignore_on_failure = yes |
ddrown
/ using a CA to sign your ssh keys
Created
November 3, 2021 15:09
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| # generate the CA | |
| client$ ssh-keygen -N '' -C user-ca -f ~/.ssh/ca | |
| Generating public/private rsa key pair. | |
| Your identification has been saved in /home/work/.ssh/ca | |
| Your public key has been saved in /home/work/.ssh/ca.pub | |
| The key fingerprint is: | |
| SHA256:+b1N4C0pVYhMZ2m4XWqz8op50rEH9CAfFT0k9USRCOc user-ca | |
| The key's randomart image is: | |
| +---[RSA 3072]----+ | |
| | .o*B+o=| |
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| /* | |
| * Originally from a discord screenshot from an unknown author | |
| * Needs at least g++ version 10.3.1 | |
| * output: | |
| 💩 | |
| 🍊 | |
| 🍉 | |
| 🍒 | |
| 🍓 | |
| 🍍 |
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| def main(top_block_cls=top_block, options=None): | |
| + start = datetime.datetime.now() | |
| tb = top_block_cls() | |
| tb.start() | |
| + finished = datetime.datetime.now() - start | |
| + sys.stderr.write("took %.3f s\n" % (finished.total_seconds())) |
ddrown
/ leaf-uClibc-changes.diff
Last active
May 3, 2017 04:49
uClibc-ng-1.0.17 pthread race condition crash
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| diff --git a/repo/toolchain/buildtool.cfg b/repo/toolchain/buildtool.cfg | |
| index a07053b..c4cd0c4 100644 | |
| --- a/repo/toolchain/buildtool.cfg | |
| +++ b/repo/toolchain/buildtool.cfg | |
| @@ -69,6 +69,13 @@ | |
| Envname = UC_PATCH6 | |
| </File> | |
| +<File sigaction-nop-pthread_cancel.patch> | |
| + Server = localrepo |
ddrown
/ gist:d20a79fbc4ccbad2a84c7efa3b20657f
Last active
December 15, 2016 23:00
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| Sample of SNTP traffic, source networks: | |
| sprint 4.0% | |
| verizon-wireless 3.4% | |
| tmobile 2.9% | |
| att-wireless 2.8% | |
| comcast 2.1% | |
| orange 1.8% | |
| sky 1.6% | |
| twc 1.0% |
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