Eged Zsolt sontqq

🏠

Working from home

I love linux, coding and other network, iot stuff.

sontqq / bluetooth_getDeviceClass.java

Created October 16, 2021 08:05

	private String getDeviceClass(BluetoothDevice bluetoothDevice) {
	int devclass = bluetoothDevice.getBluetoothClass().getDeviceClass();
	if (devclass == BluetoothClass.Device.Major.COMPUTER) {
	return "PC";
	} else if (devclass == BluetoothClass.Device.Major.PHONE) {
	return "PHONE";
	} else if (devclass == BluetoothClass.Device.Major.AUDIO_VIDEO) {
	return "AUDIO_VIDEO";
	} else if (devclass == BluetoothClass.Device.Major.HEALTH) {
	return "HEALTH";

sontqq / servicechecker.sh

Created June 14, 2020 05:51

Bash script for checking linux service status and sends mail if its down

	declare -a SERVICES=(
	nginx
	mysql
	testservice
	)

	for i in "${SERVICES[@]}"; do

	systemctl is-active --quiet "$i" && STATUS="active" \|\| STATUS="notactive"
	if [ "${STATUS}" = "active" ]; then

sontqq / Android Java Initialize Overlay

Created January 26, 2020 15:19

	public static void initHeadOverlay(Context c) {
	try {
	if (headoverlay_mHeadView != null) {
	headoverlay_mHeadView.setVisibility(View.GONE);
	headoverlay_mHeadView = null;
	}
	headoverlay_mHeadView = LayoutInflater.from(c).inflate(R.layout.head_layout, null);
	final WindowManager.LayoutParams params = new WindowManager.LayoutParams(
	WindowManager.LayoutParams.WRAP_CONTENT,
	WindowManager.LayoutParams.WRAP_CONTENT,

sontqq / DCConvert.java

Created December 24, 2019 09:32

Direct Connect++ $Lock to $Key conversion class (Java)

	class DCConvert {
	private String retKey;
	private int len;
	private static boolean DEBUG = false;

	public DCConvert(String s) {
	char[] lock = s.toCharArray();
	len = lock.length;
	char[] key = new char[len];
	for (int i = 0; i < s.length(); i++) {

sontqq / howto.txt

Created December 15, 2019 15:15

Android Java - How to run repetitive tasks

	new Timer().scheduleAtFixedRate(new TimerTask() {
	@Override
	public void run() {
	method_call();
	}
	}, 0, 10000);

	android.os.Handler handler = new android.os.Handler();
	handler.postDelayed(new Runnable(){
	public void run(){

sontqq / comparison.txt

Created December 15, 2019 05:48

Bluetooth Classic vs Bluetooth Low Energy differencies, usages

	Bluetooth LOW ENERGY

	Optimized for: Short burst data transmission
	Frequency Band: 2.4GHz ISM Band (2.402 – 2.480 GHz Utilized)
	Channels: 40 channels with 2 MHz spacing (3 advertising channels/37 data channels)
	Channel Usage: Frequency-Hopping Spread Spectrum (FHSS)
	Modulation: GFSK
	Power Consumption: ~0.01x to 0.5x of reference (depending on use case)
	Data Rate: LE 2M PHY: 2 Mb/s LE 1M PHY: 1 Mb/s LE Coded PHY (S=2): 500 Kb/s LE Coded PHY (S=8): 125 Kb/s
	Max Tx Power: Class 1: 100 mW (+20 dBm) Class 1.5: 10 mW (+10 dbm) Class 2: 2.5 mW (+4 dBm) Class 3: 1 mW (0 dBm)

sontqq / index.h

Created December 15, 2019 05:42

esp8266 relay code for smart plug with eveng logging to php/mysql

	const char MAIN_page[] PROGMEM = R"=====(
	<html>
	<head>
	<title>SONT RELAY CONTROL PAGE</title>
	<style>
	@media only screen and (max-device-width: 480px) {
	//.zoom { zoom: 150%; position: fixed; }
	}
	small{
	font-size: 16px;

sontqq / cmd.txt

Created October 30, 2019 23:15

UsefulLinuxCommands.txt

	tshark -T fields -e wlan.sa_resolved -e wlan.da._resolved -e wlan.sa -l -i wlan0 -o gui.column.format:'"MAC", "%uhs","RSSI", "%e"' \| while read line; do echo "$line" >> mac.log; done

	# SZAR sudo tshark -S -l -i wlan0 -Y 'wlan.fc.type_subtype eq 4' -T fields -e wlan.sa -e wlan_mgt.ssid

	tshark -i wlan0 -Y http.request -T fields -e http.host -e http.request.full_uri
	tshark -i wlan0 -f "src port 53" -n -T fields -e frame.time -e ip.src -e ip.dst -e dns.qry.name
	tshark -i wlan0 -Y 'http.request.method == POST and tcp contains "password"' \| grep password

	SELECT * FROM gps WHERE whattime > CURDATE();

sontqq / TimeElapsedUtil.java

Created October 30, 2019 23:10

TimeElapsedUtil.java

	package sample;

	import java.text.DateFormat;
	import java.text.SimpleDateFormat;
	import java.util.Date;
	import java.util.TimeZone;

	public class TimeElapsedUtil {

sontqq / update-git.sh

Created November 4, 2018 07:45

Update all cloned git repos in a single directory by a single command

	#!/bin/bash

	CUR_DIR=$(pwd)
	counter=0
	echo "\n\033[1mPulling in latest changes for all repositories...\033[0m\n"

	for i in $(find . -name ".git" \| cut -c 3-); do
	echo "";
	echo "\033[33m"+$i+"\033[0m";
	counter=$((counter+1))