1. Online map services and routing

    During Friday I had a trip to my family city (Olecko, Poland) for my sister wedding. It was by car (not mine) and we had to visit brother to take him with us. As I never was in Toruń before I had to use some online services to see how to get to the place where he works.

    Google Maps
    Interface easy to use, checking directions can be done with few clicks, adding new points to trip is intuitive. But route is not optimal — force to use highways (Poland nearly does not have such ones) so I needed to add few extra points to get proper directions. Printing is unusable — most of space taken by driving instructions and maps in print are small.
    Only Poland covered. Map is from AutoMapa navigation application. Interface also easy to use but lack scrollwhell support and need some time to understand buttons. Allow to create route with few points and do it well. As a bonus it show list of road repairs. Printing does not work.
    Also only Poland covered. Flash interface :( Only routing from point to point. Printing use flash too.

    Finally I checked route in Google Maps and Targeo. Needed part (Toruń, where we had to take my brother) was printed from GM screenshot.

    Written by Marcin Juszkiewicz on
  2. PowerTOP

    Few days ago Intel released PowerTOP utility which can be used to check what software takes most of power on device (x86 targetted but should works on other architectures too). During weekend I started it on my laptop and changed few things after that so it came from about 300 to less then 100 wakeups during X11 work and 70 when working in remote console over wifi (most taken by bcm43xx driver).

    I do not remember how big impact it had on battery life because I mostly use this machine with AC connected and battery keep only 50% of original capacity (it is over 2 years old).

    Written by Marcin Juszkiewicz on
  3. NSLU2 joined under-desk machines

    Today I bought Linksys NSLU2 machine. It is small, ARM based NAS and it is running Linux out-of-box. Unpacked, connected to home network and after checking that it is working I reflashed it with OpenSlug 3.10. So now it runs 2.6.16 kernel (instead of old, hacked 2.4.something) and opensource system (built with OpenEmbedded).

    What for I bought it (other then taking space under desk)? I plan to run few services on it:

    • NFS server with DL_DIR contents (all sources used by OpenEmbedded builds)
    • TFTP server (to server kernels, rootfs images for miscelanous devices on my desk)
    • SMB server (music, movies)
    • Bluetooth access point for my Neo1973 phones and other devices

    Too bad that small embedded PCs are harder to get that such gadgets. I hope that one day I will be able to buy machine which will replace my WiFi AP/router and NSLU2 (NAS, BT AP) in one.

    Written by Marcin Juszkiewicz on
  4. Got GTA01B_v4

    I just got my GTA01B_v4 from UPS courier. This is send as “developer update” as package contains:

    • GTA01B_v4 phone
    • battery (charged)
    • Europlug -> US plug adapter (no idea what for)

    After powering phone I started ‘DM2’ application which allow to make few simple tests of hardware. And let Mickeyl and Sean stop talking that Neo1973 has nothing common with “The Matrix” movie — the sound sample used to test audio subsystem is Morpheus telling Neo that he is “The One”.

    What do I plan to do when I have two phones? First I will upgrade Bv4 to newer software. Then I have to decide which one will run OpenMoko and which Ångström — so I will be able to compare (now both has OpenMoko distribution installed). And I wonder will Bv4 recognize my SimPlus prepaid card (it is normal 250 entries sim) — Bv3 do not like it.

    This time I had to pay customs and UPS — 109 PLN (~30 EUR) in total. And as this time it was sent to me as person not as company I can not add this into company costs. But it does not really matter — I have phone and this is more important :)

    Written by Marcin Juszkiewicz on
  5. Bv4 shipping

    Yesterday I got phone call from UPS about misterious package from Taiwan, today this mail from Sean:

    We’ve been so busy trying to get production moved from Taiwan to China, and shipping you new NEOs(GTA01B_v4), that we well…forgot to tell you that we’re shipping you new phones ;-)

    So your Freed Phone is in the mail. Please keep your eyes open.

    Happy Hacking!

    Now I wonder will courier bring me phone to home or will it go to customs…

    Written by Marcin Juszkiewicz on
  6. SD/MMC for Collie/2.6 progress

    Thomas Kunze provided newer version of his SD/MMC driver some time ago. Today I finally got some time to test it.

    Result is awesome as most of my cards works now — only RS-MMC from Nokia 770 does not want to behave. I posted logs into proper bugraport and Thomas told:

    hrw: fine. so nearly all cards work now. I have an idea what your rsmmc might need.

    So it looks like this one will work too soon. New test images for Ångström will be available probably tomorrow.

    Written by Marcin Juszkiewicz on
  7. Nokia 770 battery “life”

    I have Nokia 770 tablet at home. It is mainly used to play Maemo Blocks, Mahjongg or other game. From time to time I use it to browse web or read RSS feeds so it is non-stop connected to my home WiFi.

    But today I had to charge it in the morning and after that it died after 2-3h of playing. I do not know how good is N800 in this subject but hope that next tablets will have better battery life as this one has it too small.

    Written by Marcin Juszkiewicz on
  8. LVM is good thing

    Some time ago I bought 320GB hard disk to my desktop machine (which also is my main developer box). I decided to try LVM on it and created one volume group which consists whole HDD. There is one partition on it: /home. It works good but I still had 104GB not used on older disk.

    Today I finally found time to extend LVM to get use of old hdd space. Few commands later I have 400GB /home partition which use two discs and is easy to expand in future.

    But desktop has easy configuration. When I bought Dell D400 I decided to remove Microsoft Windows XP from it (legal copy) and use this machine only under Linux.

    Booted Debian ‘Etch’ installer via PXE/TFTP and split hdd into two parts: /boot partition and rest for crypted LVM. During start I am asked for passphrase and then rootfs is mounted, machine is booted into KDE. Swap partition is also crypted so even after suspend you can not check what was running.

    So LVM is good solution if you have few hard disks in machine and does not want to think how to mount them to have them best used — simply join them into one big partition and mount (or few partitions but with easy resizing). It is also good when you want to crypt data — easy to configure and setup. The only minus is that it require initramfs if you have rootfs on LVM. But Debian makes this thing also easy to do :)

    Written by Marcin Juszkiewicz on
Page 82 / 105