Aquì estamos!

After Eight revenge: Bus Pirate DIY thin mint case

kaeso — Mon, 09 Jan 2012 08:52:54 +0000

A couple of weeks ago, my Bus Pirate was still missing a decent enclosure. That same rainy day, I regretfully ran out of my supply of After Eight .

As I had to recycle the thin mint packaging, I took the chance to make a shiny sweet case for the little board.

After a bit of hole-cutting, this is the final result:

It looks good, doesn’t it?

A journey through MSP430 and mspgcc

kaeso — Sun, 27 Nov 2011 22:12:48 +0000

NOTE: Work in progress, some posts may still be missing

This the (not-yet) complete summary of a series of articles related to MSP430 MCU family and GNU/Linux.
The aim of these posts is to give an overview of the msp430 history and status with regard to a free (as in speech) tool-chain.
These articles were written in the last quarter of 2011, after the first official release of a free GCC-based MSP430 tool-chain.

This series is not intended as a tutorial on msp430 programming, and does not cover proprietary tools or tool-chain for other OSes.
If you are looking for help on these other topics or for additional details not provided in these posts, you can dig the TI msp430 official page or the 43oh community site.

The GNU/Linux and MSP430 series is composed by the following posts:

Intro to TI MSP430 and Launchpad: a low-power embedded MCU
How to have fun with MSP430 and GNU/Linux
MSPGCC: uniarch and the bright future
mspdebug: MSP430 programming and debugging

OpenOCD and the Bus Pirate

kaeso — Fri, 26 Aug 2011 20:04:29 +0000

As an enthusiast Open Hardware supporter, I regularly read the always brilliant Dangerous Prototype blog.
Last week it featured a short but complete tutorial about unbricking a Seagate Dockstar with OpenOCD and the Bus Pirate.

The Bus Pirate is an open source hacker multi-tool that talks to electronic stuff, and which can be used as a JTAG adaptor (and much more!).
OpenOCD, the widespread free JTAG debugger, recently gained support for it.

The good news is that, after almost a year and half of development, OpenOCD 0.5.0 has been finally released and is currently available in both Debian testing and unstable. Get it from the repository while it is hot, no need to fiddle with autotools and build tools anymore

As a side-note for interested parties, SWD (Serial Wire Debugging) support is currently under development, along with its companion library (libswd).

Hack and enjoy!

Online sprints, or how to revive a L10N team

kaeso — Wed, 10 Nov 2010 11:05:39 +0000

The Italian L10N team has not been very active nor growing in recent years. In particular, we pretty much failed at attracting new members in our team, with the result that untranslated files are piling up and manpower is scarce.

Following a suggestion of our uber-active Francesca, we decided to try a new move to invert the trend: organizing brief weekly online sprints open to everybody, where graybeard translators will help newcomers getting to grips on Debian L10N infrastructure while collaboratively working on yet-untranslated targets.

Last week, we tried our first and very introductory sprint, with a preliminary meeting on IRC to give instructions and setup ad-hoc pads. As a result, we ended with linux-2.6 po-debconf and a web-page completely translated and proofread by almost fifteen people in just a couple a hours. The key point however is that the majority of participants were fresh L10N-newbies, which we hope will join us permanently very soon after this first contact.

Encouraged by the initial positive result, we already announced our next sprint for Thursday 11th, which will be focused on package descriptions translation (preceded by a crash course on DDTSS, its related web interface).

We hope that even more users will join us this time, and encourage other “stalled” translation teams in experimenting a similar approach to revive activity and encourage participation.

Resoconto della Debian/Ubuntu Community Conference 2010, Perugia

kaeso — Wed, 22 Sep 2010 10:32:14 +0000

Nei giorni 17/18/19 settembre si è svolta a Perugia la quinta edizione della Italian Debian Community Conference, che ha visto la partecipazione di un buon numero di sviluppatori e utenti.
Per la prima volta l’evento è stato organizzato insieme alla comunità italiana Ubuntu, dando vita ad un nuovo tipo di conferenza congiunta mirata ad incentivare il lavoro comune, enfatizzando i molti tratti condivisi dai due progetti.

Dopo una prima serata informale, trascorsa a discutere dei progetti in corso cenando in compagnia, la conferenza ha ufficialmente preso il via sabato, presso l’università di Perugia, con una serie di talk tecnici volti a incoraggiare la partecipazione di nuovi contributori sia nel campo dello sviluppo che in quelli della traduzione, documentazione e promozione. L’evento è stato anche un’opportunità per celebrare il Software Freedom Day, con la partecipazione di alcune scuole della zona e del FSUG Italia.

All’evento erano presenti anche membri dei team Debian Women e Ubuntu Women (il cui obiettivo principale consiste nel promuovere la presenza femminile nei due progetti) che hanno dato vita ad un dibattito sulla presenza delle donne nel panorama italiano del software libero, presso i locali dell’hacklab perugino. La discussione ha toccato diverse tematiche, tra cui la grande differenza di numero tra contributori di sesso maschile e femminile, i motivi alla base di questa sproporzione e le iniziative da intraprendere per invertire questa tendenza.

Questo nuovo tipo di collaborazione tra le due comunità si è rivelato vincente sotto molti aspetti, permettendo di condividere nuove conoscenze e di migliorare i progetti comuni. L’auspicio conclusivo dei partecipanti è stato quello di poter ripetere in futuro questo tipo di collaborazioni, estendendolo anche ad altri campi.
In particolare, è stata prevista nei primi mesi del 2010 l’organizzazione di altri eventi comuni, come un translation party ed un nuovo meeting delle comunità.

Inoltre, sarà presto disponibile un resoconto più dettagliato dell’evento con foto, commenti, registrazioni delle sessioni e relative slide.
Ringraziamo il dipartimento di matematica dell’università di Perugia, l’hacklab Projects On Island, FSUG Italia, la communità Ubuntu-it e tutti gli individui che hanno collaborato alla realizzazione di questo evento.

Report from the Debian/Ubuntu Community Conference, ITA 2010

kaeso — Tue, 21 Sep 2010 17:14:36 +0000

From the 17th to the 19th of September in Perugia, Italy, it took place the 5th edition of the Italian Debian Community Conference, which has been attended by many contributors and users.

For the first time, the event has been organized in collaboration with the Italian Ubuntu community, as to create a new joint conference in order to foster shared contributions and emphasizing the large common ground of our projects. This new experimental kind of mini-conference was then labeled DUCC-IT, to reflect both the local profile and the mutual collaboration.

After the initial social night, spent discussing of several ongoing free software efforts and having dinner all together, the conference official opening started on Saturday, temporarily housed at University of Perugia, with a series of talks and hands-on session aimed at recruiting new contributors to work on development, translations, documentation writing and marketing. It has been a good opportunity to celebrate the Software Freedom Day too, in collaboration with FSUG Italia and the participation of some local schools.

The event been also attended by some members of the Debian Women and Ubuntu Women teams (whose goal is to promote women participation in both projects), who organized a round-table debate taking the Italian panorama as a study case. The discussion embraced different topics, ranging from the wide difference in numbers, to the deep causes of this phenomenon and how to improve the situation. With the help of the hacklab staff (hosting the debate), an audio/video streaming has been made available in real-time, and many remote participants joined us with comments and questions.

This new kind of collaboration between our communities was found to be really positive and more events has already been drafted for the next year, including a translation sprint and a contributors meeting.

We encourage worldwide local communities to try and engage in a similar experiment: organizing and joining a DUCC event will be pure fun.

A detailed report of the conference will be soon available, completed by photos, participants’ comments, video records and slides for the talks.
We’d really like to thank the Math Department of University of Perugia, the Projectz On Island hacklab, FSUG Italia, the Ubuntu-it community and everyone who contribute to this event.

Too many gurus spoil the plug

kaeso — Sun, 29 Aug 2010 13:28:56 +0000

Being a rather patient and peaceful guy, I acknowledge that perfection is a difficult goal and I rarely rant publicly about troubles I’ve stumbled upon.
Today however, I feel I have to wholeheartedly agree with Bernd about Guruplug: it has been a waste of money.

I received mine in May, with the order placed and payed in February. First thing noticed is the issue with the power supply: I really think they forgot QA testing on these machines, as my PSU (and many others, just skim through the official forum) blew up just an hour after power-up.

I wasn’t lucky enough to admire over-heating and internal (mis-)cooling, as it went immediately through GlobalScale sales department for a RMA under warranty.

And then I waited for GlobalScale, for an actually working unit. And still I am, it’s almost September now. Patiently waiting (hoping, I’d say) for some answers.

I’m not sure who to blame here, Marvell, GlobalScale or both, for this issues with regards to QA, design and sales. But I’m quite sure the final result has been already perfectly described: a major fail.

Sending mail through a SSL-only relay server with ssmtp

kaeso — Mon, 23 Aug 2010 16:06:53 +0000

I sometime feel the need of sending mail directly from my terminal (eg. with mail or reportbug) without having a complete mail-server on my laptop, which is often offline or NATted. For this, I’ve started to use ssmtp, a simple MTA which only delivers local mails to a more powerful remote SMTP-server. I’ve configured it to only communicate over an encrypted TLS connection to well-known port 465, to avoid man-in-the-middle sniffers and firewalls filtering outgoing port 25. This is my configuration (can be tuned via /etc/ssmtp/smtp.conf on Debian-like systems):

root=myuser
mailhub=mail.example.org:465
rewriteDomain=example.org
hostname=myhost.example.org
UseTLS=yes
UseSTARTTLS=no
AuthUser=myuser@example.org
AuthPass=XXXXX
FromLineOverride=YES

Of course, you need an external mail server configured to relay your mail and accepting TLS connections. For this purpose, you could also use a free mail service, like GMail.

Uzbl in Debian

kaeso — Mon, 28 Dec 2009 12:32:59 +0000

After some delay, uzbl is now available in Debian (testing and unstable). Uzbl is a webkit based browser which aims to adhere to the Unix philosophy of having programs that do one thing and do it well; as such, it comes with a main binary (uzbl-core), acting as the real web-renderer, which is controllable by third-parties via standard fifo’s and sockets. The package also bundle some external helper scripts for daily web-surfing (ie. handling history, bookmarks, cookies, etc.) and a ready-to-user wrapper (uzbl-browser) to help setting up the environment, using the default config.
As a standalone browser, it may look quite similar to vimperator (default key-bindings and interface are strongly vim-like), but overall it offers a more powerful and completely reconfigurable user-interface, can be fully scripted and hooked with self-made helpers and is even embeddable in other applications (eg. Emacs). Nonetheless, it brings all the power of a fully fledged webkit renderer.

You may find it particularly useful when working within a tiling window manager (like awesome or xmonad), or used as a full-screen remote monitor, easily controllable via socket (you should really try socat with it!) or plain-text fifo (for a bunch of stats, as easy as a `echo "uri italiaora.org" > /tmp/uzbl_fifo_your-instance`)

È arrivato Inkscape 0.47!

kaeso — Thu, 26 Nov 2009 09:47:13 +0000

Dopo oltre un anno di intensivo sviluppo e refactoring, è finalmente disponibile Inkscape 0.47.
Questa nuova versione dell’editor libero di grafica vettoriale SVG porta con sé un miglioramento delle performance ed una enorme quantità di nuove caratteristiche, tra cui: auto-salvataggio a intervalli regolari, tracciati Spiro, nodi curvilinei e scolpitura, lo strumento gomma, nuove funzionalità per lo strumento ritocco, una barra di controllo per l’aggancio e una modalità di aggancio totalmente nuova, nuovi effetti su tracciato (tra cui la distorsione a busta), una enorme collezione di filtri preimpostati, nuove funzionalità di esportazione PS e EPS basate su cairo, il controllo ortografico, nuove estensioni aggiuntive, l’ottimizzazione del codice SVG generato e molto altro

ancora. Da menzionare inoltre il grande impegno che ha portato alla correzione di centinaia di bug segnalati durante tutto il periodo di sviluppo.
Per ulteriori informazioni e curiosità sulle nuove caratteristiche e su tutte le novità introdotte con questa nuova versione,
potete consultare le note di rilascio, sfogliare la galleria degli screenshot o semplicemente scaricare il nuovo Inkscape per il
vostro sistema.

Note di rilascio:
http://wiki.inkscape.org/wiki/index.php/ReleaseNotes047