tomtzook’s gists

tomtzook / maven_repo.py

Last active November 19, 2024 23:17

Querying Maven Repos from Python3

	from typing import Optional, Union
	import requests
	from xml.etree import ElementTree
	from collections import namedtuple
	from datetime import datetime, date, tzinfo
	from dateutil import tz
	import re
	import enum

tomtzook / CMakeLists.txt

Last active February 12, 2024 01:20

Compile c++ program for Beaglebone Black PRU with CMake

	cmake_minimum_required(VERSION 3.16)
	project(bbb_pru C CXX)

	set(STACK_SIZE 0x100)
	set(HEAP_SIZE 0x100)

	set(CMAKE_C_COMPILER ${PRU_COMPILER_HOME}/bin/clpru)
	set(CMAKE_CXX_COMPILER ${PRU_COMPILER_HOME}/bin/clpru)
	set(CMAKE_LINKER ${PRU_COMPILER_HOME}/bin/lnkpru)
	set(CMAKE_AR ${PRU_COMPILER_HOME}/bin/arpru)

tomtzook / CMakeLists.txt

Created January 16, 2021 11:15

Compiling C++ EFI application with CMake and GNU-EFI, and running in QEMU

	cmake_minimum_required(VERSION 3.16.3)
	project(cppefi C CXX)

	if (NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
	set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
	endif()
	if (NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
	set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
	endif()

tomtzook / Makefile

Created January 16, 2021 10:16

Compiling C++ EFI application with Make and GNU-EFI, and running in QEMU

	ARCH=x86_64

	OBJS=main.o
	TARGET=main.efi

	CC=gcc

	EFI_INCLUDE_PATH=/usr/local/include/efi
	EFI_INCLUDES=-I$(EFI_INCLUDE_PATH) -I$(EFI_INCLUDE_PATH)/$(ARCH) -I$(EFI_INCLUDE_PATH)/protocol

tomtzook / Makefile

Created January 16, 2021 09:50

Compiling C EFI application with Make and GNU-EFI, and running in QEMU

	ARCH=x86_64

	OBJS=main.o
	TARGET=main.efi

	CC=gcc

	EFI_INCLUDE_PATH=/usr/local/include/efi
	EFI_INCLUDES=-I$(EFI_INCLUDE_PATH) -I$(EFI_INCLUDE_PATH)/$(ARCH) -I$(EFI_INCLUDE_PATH)/protocol

tomtzook / LockFreeQueue.java

Last active May 14, 2020 04:06

Basic lock-free queue in Java

	import java.util.concurrent.atomic.AtomicReference;

	public class LockFreeQueue<T> {

	private final AtomicReference<Node<T>> mHead;
	private final AtomicReference<Node<T>> mLast;

	public LockFreeQueue() {
	Node<T> baseNode = new Node<>(null);
	mHead = new AtomicReference<>(baseNode);

tomtzook / linux_get_cpu_usage.c

Created May 9, 2020 21:34

Reading CPU usage on a Linux computer from a C program

tomtzook / linux_get_battery.c

Last active May 5, 2024 06:29

Get battery status on a Linux laptop from a C program

	#include <stdio.h>
	#include <string.h>
	#include <errno.h>
	#include <dirent.h>
	#include <linux/limits.h>
	#include <regex.h>
	#include <stdbool.h>
	#include <stdlib.h>

	#define DATADIR "/sys/class/power_supply"

Tom Tzook tomtzook