Expériences // Experiments
Raphaël Doursenaud

Informatique // IT


  • Hardware features matrix (WIP)
  • BTRFS maintenance: btrfs balance + mail results
  • Backup HDD: cron btrfs send/receive
  • Encrypt filesystems
  • Contribute DMI IDs:
|| LENOVO || 20HHCTO1WW || ThinkPad P51 || LENOVO || 20HHCTO1WW || SDK0J40697 WIN || LENOVO || None || LENOVO || N1UET72W (1.46 ) || 10/04/2018 

|| <nowiki></nowiki>
  • Report thermal alarm while running Unigine Superposition:
thinkpad_acpi: unknown …


The Google App Engine is a very good PaaS solution. Setting up a development environment is not trivial task. Make sure to read the official documentation for proper understanding.

Today we’ll deal with the PHP Standard environment.


Read the Official instructions first.

  1. Install the Google Cloud SDK …

Just got myself this nice little USB audio and MIDI interface.

It works great!

Full support out of the box on Android on all modes using Audio Evolution Mobile and USB Audio Recorder PRO from http://www.extreamsd.com and even native support in Lollipop (5.0) in “TAB” mode …


Once the firmware is flashed from a Windows or Mac OS machine, the device is seen as USB class compliant.

This means it doesn’t need any drivers to work with Linux and works out of the box with Android and maybe iOS USB recording software.

Didn’t try …

Raphaël Doursenaud
ven. 02 mai 2014

I just received my brand new metronome and began tinkering with it.

The device revolves around an ARM Cortex-M3 platform from ST Electronics (the STM32F103) and a wireless chip from Microchip (the MRF24J40MA).

The USB mode is fortunately class compliant and is seen as a standard MIDI device.

The proprietary …

Raphaël Doursenaud
ven. 24 août 2012

Here’s a patch allowing the blackmagic kernel module to

build against 2.6.36 linux kernel.

Signed-off-by: Raphaël Doursenaud 


diff -Nurp DeckLink-7.9rc7/blackmagic_core.c DeckLink-7.9rc7-2.6.36/blackmagic_core.c

--- DeckLink-7.9rc7/blackmagic_core.c   2010-10-19 12:08:30.153000030 +0200

+++ DeckLink-7.9rc7-2.6.36/blackmagic_core.c    2010-10-19 12 …
Raphaël Doursenaud
mar. 19 octobre 2010

I’ve started reverse engineering the windows USB driver using qemu, wireshark and the linux usbmon interface in order to hopefully write a Linux driver for this device.

Here’s the commented out first sniffed traffic :

No. Time Source Destination Protocol Info  


3 0.013662 host 9.0 USB GET …

Here’s a patch allowing the blackmagic kernel module to

build against 2.6.35 linux kernel.

diff -Nurp DeckLink-7.6.3/blackmagic_lib.c DeckLink-7.6.3-2.6.35//blackmagic_lib.c

--- DeckLink-7.6.3/blackmagic_lib.c 2010-04-19 05:30:38.000000000 +0200

+++ DeckLink-7.6.3-2.6.35//blackmagic_lib.c 2010-07-05 …
Raphaël Doursenaud
mer. 01 septembre 2010
xw8000 pinout

Notice that the front panel (HD) audio and USB headers are standard Intel headers pinouts.

Raphaël Doursenaud
dim. 29 novembre 2009