eggfly

🎯

flutter-hacking

Developer 🚵 ⸱ Java ⸱ Flutter ⸱ Android ⸱ Python. And also interested embedded system & IoT like Arduino / ESP32.

eggfly / TypeErasureTest.kt

Created August 27, 2024 11:19

TypeErasure Interesting Code

	package com.example;

	import java.util.*;

	public class TestErase {
	public static class MyJsonObject implements Map<String, Object> {
	@Override
	public int size() {
	return 0;
	}

eggfly / LeibnizPi.kt

Created August 26, 2024 12:21

Interesting Pi Leibniz Algorithm in Kotlin

	package com.test

	import java.math.BigDecimal
	import java.math.MathContext
	import java.math.RoundingMode
	import java.text.NumberFormat

	fun divideBigDecimal(dividend: BigDecimal, divisor: BigDecimal, scale: Int): BigDecimal {
	return dividend.divide(divisor, scale, RoundingMode.HALF_UP)
	}

eggfly / decompile_dtb.sh

Created August 11, 2024 14:48 — forked from TobidieTopfpflanze/decompile_dtb.sh

Decompile DTB

	# Decompile
	dtc -I dtb -O dts -o devicetree.dts /boot/dtb/<your_devicetree_file_name>.dtb

	# Compile
	dtc -I dts -O dtb devicetree.dts -o <your_devicetree_file_name>.dtb

	# Merge with DTBO
	fdtoverlay -i modified-base.dtb -o modified-full.dtb /boot/tegra194-p3668-all-p3509-0000-user-custom.dtbo

	# DTS from fs

eggfly / file_upload_server.py

Last active June 4, 2024 11:21

A simple HTTP server that can receive file uploads.

	from http.server import BaseHTTPRequestHandler, HTTPServer

	import cgi
	import os

	UPLOAD_DIRECTORY = 'uploads'

	class FileUploadHandler(BaseHTTPRequestHandler):
	def do_GET(self):
	self.send_response(200)

eggfly / MiniMax.ino

Created April 14, 2024 07:28

MiniMax.ino

	#include <WiFi.h>
	#include <HTTPClient.h>
	#include <ArduinoJson.h>
	// flash mode 要改dio
	// 1. Replace with your network credentials
	const char* ssid = " ";
	const char* password = " ";


	// 2. Replace with your OpenAI API key

eggfly / esp32_lv_test.py

Last active March 14, 2024 15:24

ESP32-MicroPython-LVGL-ILI9341-Test.py

	from ili9XXX import ili9341
	import lvgl as lv
	from machine import Pin, PWM

	def init_backlight(brightness):
	frequency = 5000
	duty_cycle = int(1023 * brightness)
	led = PWM(Pin(21), frequency)
	led.duty(duty_cycle)

eggfly / mini_mp3_radio_decoder.c

Created July 9, 2023 06:55 — forked from Flix01/mini_mp3_radio_decoder.c

Very basic single-file, plain C, openAL mp3 radio decoder

	// gist made after this issue: https://github.com/mackron/dr_libs/issues/142
	/*
	The license refers to this single file.
	Every included or linked library comes with its own license
	===============================================================================
	Public Domain (www.unlicense.org)
	===============================================================================
	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,

eggfly / main.cpp

Created October 16, 2022 14:44 — forked from fffonion/main.cpp

Read Xiaomi Mijia temperature and humidity sensor 2 (LYWSD03MMC) from ESP32

eggfly / pycurses.py

Created August 23, 2022 03:49 — forked from claymcleod/pycurses.py

Python curses example

	import sys,os
	import curses

	def draw_menu(stdscr):
	k = 0
	cursor_x = 0
	cursor_y = 0

	# Clear and refresh the screen for a blank canvas
	stdscr.clear()

eggfly / main.cc

Created August 10, 2022 08:12

A demo of __builtin_frame_address()

	#include <iostream>

	void my_stack_trace(int max_depth) {
	uintptr_t frame = (uintptr_t) __builtin_frame_address(0);
	uintptr_t next;
	while (max_depth--) {
	next = (uintptr_t ) frame;
	frame = next;
	std::cout << (void *) next << std::endl;
	}