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Lucas Martins Mendes Luctins

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(defun org-format-hyperlink (link-text-start link-text-end)
"Format the selected text as a orgmode link prompting for the link"
(interactive "r")
;(setq clip (shell-command-to-string "xclip -selection clip -t TEXT -o"))
(setq dest-link (read-string "Link to insert: ")); nil nil (nth 0 kill-ring)))
(if (not (string-blank-p dest-link))
(progn (goto-char link-text-start)
(setq tmp-link (concat `"[[" dest-link `"][" (buffer-substring link-text-start link-text-end) '"]]"))
(delete-region link-text-start link-text-end)
(insert tmp-link))
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Luctins / dither_image_blocks.py
Created October 21, 2021 03:41
1 Bit image dithering with blocks
from PIL import Image
# from functools import reduce
import numpy as np
def pxmean(m, y0, x0, s):
c = 0
for _x in range(0, pxsize):
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Luctins / ir-remote.json
Last active September 25, 2021 21:28
RGB Lamp remote controller buttons (IR remote, mapped by time)
{
"on": [ 9630, 4420, 630, 570, 580, 570, 580, 570, 630, 520, 630, 570, 580, 570, 630, 570, 580, 570, 580, 1670, 630, 1620, 630, 1670, 580, 1670, 630, 1670, 580, 1670, 630, 1620, 630, 1670, 630, 1620, 630, 570, 630, 1620, 630, 570, 580, 570, 630, 570, 580, 1670, 630, 570, 580, 570, 630, 1670, 630, 520, 680, 1620, 630, 1670, 580, 1670, 680, 520, 680, 1570, 630 ],
"off": [ 9580, 4420, 680, 470, 680, 470, 680, 520, 680, 470, 680, 470, 680, 470, 680, 520, 680, 470, 680, 1570, 680, 1620, 680, 1570, 680, 1570, 680, 1620, 680, 1570, 680, 1570, 680, 1620, 680, 1570, 680, 1570, 730, 1570, 680, 470, 680, 520, 680, 470, 680, 1620, 680, 470, 680, 520, 680, 470, 680, 520, 680, 1570, 680, 1570, 730, 1570, 680, 470, 730, 1570, 680 ],
"red": [ 9580, 4470, 630, 520, 630, 570, 580, 570, 630, 570, 580, 570, 580, 570, 630, 520, 630, 570, 580, 1670, 580, 1670, 630, 1620, 630, 1620, 630, 1620, 630, 1620, 630, 1670, 630, 1620, 580, 570, 630, 1670, 630, 1620, 630, 520, 630, 1670, 630, 520, 630, 570, 630, 520, 630, 1620, 630, 570,
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Luctins / spinnyThing.rs
Last active July 21, 2022 12:35
Little ASCII spinner I wrote in rust to learn how to use iterators
struct SpinnyThing {
index: usize,
}
impl SpinnyThing {
const V: [&'static str; 4] = ["/","-", "\\", "|"];
fn new() -> SpinnyThing {
SpinnyThing { index: 0 }
}
}
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Luctins / quartus20.01.desktop
Created May 28, 2021 12:29
Quartus .desktop file
[Desktop Entry]
Type=Application
Name=Quartus Intel FPGA Lite 20.1
Exec=/home/mluctins/.intelFPGA/20.1/quartus/bin/quartus
Terminal=false
GenericName=EDA
Icon=/home/mluctins/.local/share/icons/quartus.ico
Categories=Development;EDA;
StartupWMClass=Quartus
# Settle time
# @author: Lucas Martins Mendes - [email protected]
function ret = settle_t(F, X = [], T = [], tolerance=0.02)
if size(X) == [0 0] || size(T) == [0 0]
[X, T] = step(F);
endif
_X = flip(X);
_T = flip(T);
s_top = (1+tolerance)*dcgain(F);
s_bot = (1-tolerance)*dcgain(F);
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Luctins / stophd.sh
Created March 16, 2021 20:49
Alias to make silly USB hard drives stop spinning
alias stophd='sudo hdparm -B1' #<path to drive>
#Usage: stophd /dev/sdb
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Luctins / util.h
Last active December 6, 2024 14:28
C Utilities
/**
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.
In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
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Luctins / print_num.c
Created December 17, 2020 15:00
Routine for printing numbers on platforms that have no printf (this one specifically is for NIOS II), DEBUG_OUTPUT is your the string printing routine of choice.
/**
@brief print a number as a decimal (because of memory constraints the limited printf only works for hex and strings, no decimals).
*/
void print_num(alt_u32 num)
{
char buff[15],tmp;
char * str = buff;
alt_u8 dp=0; /*number of decimal places*/
if(num == 0)
{
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Luctins / setdisplaybrightness.sh
Created December 15, 2020 12:44
ddcutil monitor brightness adjust alias
alias setmonitorbrightness='sudo ddcutil --display 1 setvcp 10'