Jaremy Creechley elcritch
elcritch
/ 00-setup-linux.sh
Last active
March 8, 2022 02:58
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| # Useful helpers for manjaro | |
| sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" |
elcritch
/ dts_example.nim
Created
October 5, 2021 05:03
Example of DTS tree encoded into a pure Nim Macro
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| deviceTree: | |
| &mikrobus_i2c { | |
| status = "okay", | |
| spi-max-frequency = `<100000>`, | |
| } | |
| &mikrobus_spi: | |
| status: "okay" | |
| click_spi2: spi-device@1 { |
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| // Place your key bindings in this file to override the defaults | |
| [ | |
| { "key": "meta+f", "command": "actions.find", | |
| "when": "editorFocus || editorIsOpen" }, | |
| { "key": "meta+s", "command": "workbench.action.files.save" }, | |
| { "key": "meta+g", "command": "editor.action.nextMatchFindAction", | |
| "when": "editorFocus" }, | |
| { "key": "meta+a", "command": "editor.action.selectAll" }, | |
| { "key": "meta+c", "command": "editor.action.clipboardCopyAction" }, | |
| { "key": "meta+x", "command": "editor.action.clipboardCutAction" }, |
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| sudo pacman -Syu base-devel --needed |
elcritch
/ usbreset.nim
Created
March 12, 2021 04:34
usbreset.nim -- Nim version of USB port reset on Linux
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| ## usbreset -- linux program reset a usb port using /dev/ttyUSB<n> file paths | |
| # usage: usbreset /dev/ttyUSB0 | |
| # Install: | |
| # nim c usbreset.nim | |
| # sudo cp usbreset /usr/local/bin | |
| # Setuid to not need sudo (at your own peril): | |
| # sudo chmod 4555 /usr/local/bin/usbreset | |
| import os, system, osproc, posix, strutils, re, strformat |
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| type | |
| Direction* = enum | |
| input | |
| output | |
| PinConf* = object | |
| dir: Direction | |
| Port0* = object |
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| > $ valgrind -v --leak-check=yes ./rpcsocket_json [±compiler-1_4_0_failure-test ●] | |
| ==529377== Memcheck, a memory error detector | |
| ==529377== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. | |
| ==529377== Using Valgrind-3.16.1-36d6727e1d-20200622X and LibVEX; rerun with -h for copyright info | |
| ==529377== Command: ./rpcsocket_json | |
| ==529377== | |
| --529377-- Valgrind options: | |
| --529377-- -v | |
| --529377-- --leak-check=yes | |
| --529377-- Contents of /proc/version: |
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| 0x4A |> Integer.to_string(2) |> String.pad_leading(8, "0") |> String.pad_leading(10,"0x") |
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| defmodule ParseUdhcpd do | |
| def find_leases(interface \\ "eth0") do | |
| udhcpd_lease_bytes = | |
| "/tmp/vintage_net/udhcpd.#{interface}.leases" | |
| |> File.read!() | |
| <<written_at::signed-integer-64, leases_bytes::bits >> = udhcpd_lease_bytes | |
| parse_leases(leases_bytes, []) |
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| #!/bin/sh | |
| sudo systemctl enable syncthing@`whoami`.service | |
| sudo systemctl start syncthing@`whoami`.service | |
| systemctl status syncthing@`whoami`.service | |