Raspberry cross-compiling

Posted: agosto 9th, 2014 | Author: | Filed under: English, Guide, Linux, Programmazione | Tags: , , , , , , , , , , , | No Comments »

I want to cross-compile some stuff for my Raspberry, this is a (memo for me) tutorial to do that. Read the rest of this entry »

simulate keyboard/mouse input

Posted: settembre 23rd, 2013 | Author: | Filed under: English, Guide, Howto | Tags: , , , , , , , , | No Comments »

The program that you have to use to do what’s in the subject is: xdotool

eg. xdotool key –clearmodifiers –window `(xdotool search –classname Navigator | head -1)` ctrl+alt+p

How QEMU works – Chapter 1

Posted: maggio 20th, 2013 | Author: | Filed under: English, Guide, QEMU, Virtualizzazione | Tags: , , , , , | No Comments »

I’ve worked a lot with QEMU some months ago and I’ve learned some tricks that maybe can be useful for someone. Before starting this is the list of the arguments which will be treated in the future articles

  1. QEMU introduction
  2. TCG helpers
    TCG variables
    TCG caches
  3. QEMU parameters
    QEMU RAM functions
  4. ARM semihosting Read the rest of this entry »

OMG I’ve deleted a system directory! How do I recover it?

Posted: febbraio 20th, 2013 | Author: | Filed under: English, Guide, Howto | Tags: , , , , , , , , , , | No Comments »

Ok, a little introduction first. I was working on an uninstall target of a Makefile for a system library. For a very unlucky case (or maybe for my stupidity) I’ve deleted (fortunately not all) my /usr directory :)

And now?

As I said before not every files and binaries were deleted because I realized quickly what I was doing and I pressed ctrl-c to stop it before it was late.

Let’s start with the trick.
Read the rest of this entry »

Installare Xilinx 14.2 in GNU/Linux (Debian Sid) per programmare una Spartan-6 LX9

Posted: ottobre 23rd, 2012 | Author: | Filed under: Guide, Howto, Programmazione, VHDL | Tags: , , , , , , , , , , , , , | No Comments »

Ho la necessità di utilizzare il software ISE 14.2 (della suite di Xilinx) per programmare una microboard Spartan-6 LX9, ovviamente su GNU/Linux (Debian Sid ma funziona anche su altri sistemi GNU/Linux).

Il procedimento è tutto sommato semplice se non fosse per la compilazione dei driver per la connessione via usb al device. Infatti i driver, che si trovano nella directory linux_drivers presente nel tarball, non compilano probabilmente per una incompatibilità del kernel (uso Linux 3.2).

Con questa guida verrà installato il plugin Digilent ad ISE. Questo plugin non fa altro che istruire il software a comunicare direttamente con il circuito di configurazione USB-JTAG Digilent.
Read the rest of this entry »

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