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Lars Christensen larsch

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@larsch
larsch / bootstrap-esp-open-sdk-arch.sh
Last active January 6, 2017 16:57
Bootstrap script for ESP8266 SDK on Arch Linux
#!/bin/sh -exu
sudo pacman -S --needed --noconfirm base-devel python2 expat ncurses gperf git wget unzip
sudo ln -sf /usr/bin/python2 /usr/bin/python
git clone --recursive https://github.com/pfalcon/esp-open-sdk.git
cd esp-open-sdk
make STANDALONE=y
@larsch
larsch / list-installed-arch.sh
Last active December 26, 2016 14:46
List packaged installed in Arch Linux (except base/base-devel)
comm -23 <(pacman -Qq|sort) <(pacman -Qqg base base-devel|xargs -n1 pactree -ul|sort -u)
@larsch
larsch / gist:de0840e94098e419b10f
Created March 22, 2015 19:21
#!/bin/sh -ex
sudo pacman --needed --noconfirm -S base-devel
curl -LO https://github.com/larsch/libbcm2835-aur/archive/v1.42-1.tar.gz
tar xfz v1.42-1.tar.gz
cd libbcm2835-aur-1.42-1
makepkg -sf
sudo pacman --noconfirm -U libbcm2835*.pkg.tar.xz
curl -LO https://aur.archlinux.org/packages/ra/raspi-off-button/raspi-off-button.tar.gz
@larsch
larsch / bootstrap-yaourt.sh
Last active December 2, 2016 14:02
#!/bin/sh -ex
sudo pacman -Sy base-devel --needed --noconfirm
curl -O https://aur.archlinux.org/packages/pa/package-query/package-query.tar.gz
tar xfz package-query.tar.gz -C /tmp
pushd /tmp/package-query
makepkg --noconfirm -sf
sudo pacman -U --noconfirm package-query-*.pkg.tar.xz
popd
curl -O https://aur.archlinux.org/packages/ya/yaourt/yaourt.tar.gz
tar xfz yaourt.tar.gz -C /tmp
@larsch
larsch / RaspberryGpioArch.md
Created March 20, 2015 16:04

Update package index and upgrade all installed packaged

pacman -Syu

(S = sync, y = update, u = upgrade installed)

Install packages from AUR:




  


  




    


          
    

      

        
        

          

              @larsch
          

          

            
                larsch
                / gist:b0d72eaa63a5602e2cb5
            
            

              Last active
              September 5, 2015 18:21
            

          

        

      

        

  

      

    
    

  1. Partion the disk
    2. 



parted /dev/sda
mklabel gpt
mkpart ext2 1 3
set 1 bios_grub on
mkpart ext2 3 131
mkpart ext4 131 -1


    

  1. Create the file systems
    2. 




  


  




    


          
    

      

        
        

          

              @larsch
          

          

            
                larsch
                / rtprio-test.c
            
            

              Created
              March 7, 2015 18:55
            

          

        

      

        

  

    
    


        



  


  

        

          
          #include <pthread.h>
        

        

          
          #include <stdio.h>
        

        

          
          #include <stdlib.h>
        

        

          
          

        

        

          
          void* thread_routine(void* param) {
        

        

          
          	printf("I'm running\n");
        

        

          
          }
        

        

          
          

        

        

          
          #define CP(x) \
        

        

          
            { int r = (x); \
        

  





    


  




    


          
    

      

        
        

          

              @larsch
          

          

            
                larsch
                / create-arch-image-raspberry-pi-2.sh
            
            

              Last active
              March 11, 2024 13:55
            

              
                Shell script that creates a Arch Linux image for the Raspberry Pi 2. Downloads the latest distribution from archlinuxarm.org and creates the flash filesystems including boot partition. Partitions are aligned for typical SD cards and ext filesystem tuned accordingly.
              
          

        

      

        

  

    
    


        



  


  

        

          
          #!/bin/sh -ex
        

        

          
          losetup /dev/loop0 && exit 1 || true
        

        

          
          image=arch-linux-$(date +%Y%m%d).img
        

        

          
          wget -q -N http://archlinuxarm.org/os/ArchLinuxARM-rpi-2-latest.tar.gz
        

        

          
          truncate -s 1G $image
        

        

          
          losetup /dev/loop0 $image
        

        

          
          parted -s /dev/loop0 mklabel msdos
        

        

          
          parted -s /dev/loop0 unit s mkpart primary fat32 -- 1 65535
        

        

          
          parted -s /dev/loop0 set 1 boot on
        

        

          
          parted -s /dev/loop0 unit s mkpart primary ext2 -- 65536 -1
        

  





    


  




    


          
    

      

        
        

          

              @larsch
          

          

            
                larsch
                / human_size.rb
            
            

              Created
              September 22, 2014 04:02
            

              
                Number to human file size conversion (IEC units)
              
          

        

      

        

  

    
    


        



  


  

        

          
          def human_size(n)
        

        

          
            return "0 B" if n.zero?
        

        

          
            sizes = %w{B KiB MiB GiB TiB PiB EiB ZiB YiB}
        

        

          
            x = (Math.log(n) / Math.log(1024)).floor
        

        

          
            n = n / (1024.0 ** x)
        

        

          
            n = n.round(2)
        

        

          
            n = n.to_i if n.round == n
        

        

          
            "#{n} #{sizes[x]}"
        

        

          
          end
        

  





    


  




    


          
    

      

        
        

          

              @larsch
          

          

            
                larsch
                / vld.cmake
            
            

              Created
              May 1, 2014 10:35
            

          

        

      

        

  

    
    


        



  


  

        

          
          option(WITH_VLD "With Visual Leak Detection" OFF)
        

        

          
          if(WITH_VLD AND MSVC)
        

        

          
            message("Enabling Visual Leak Detector")
        

        

          
            find_library(VLD vld
        

        

          
              HINTS "c:/Program Files (x86)/Visual Leak Detector/lib/Win32" "c:/Program Files/Visual Leak Detector/lib/Win32")
        

        

          
            find_file(VLD_H vld.h
        

        

          
              HINTS "c:/Program Files (x86)/Visual Leak Detector/include" "c:/Program Files/Visual Leak Detector/include")
        

        

          
            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /FIwinsock2.h")
        

        

          
            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \"/FI${VLD_H}\"")
        

        

          
            get_filename_component(VLD_LIBRARY_DIR "${VLD}" PATH)