PicoScope

Installation des Oscilloscopes USB de la famille PicoScope de chez Pico Technologie

• PicoScope 2204
• Picoscope ?

• Disposer des droits d'administration ;
• Disposer d'une connexion à Internet configurée et activée ;

Éditez /etc/apt/sources.list

sudo nano /etc/apt/sources.list

Copier à la fin du fichier la ligne ci dessous

deb http://labs.picotech.com/debian picoscope main

Importez la clé publique

wget -O - http://labs.picotech.com/debian/dists/picoscope/Release.gpg.key | sudo apt-key add -

Installer le logiciel Picoscope

sudo apt-get update
sudo apt-get install picoscope

Vérifier la bonne détection de l'oscilloscope.

Pour cela utiliser le script usbtest livré avec le driver Linux de l'oscilloscope (se placer dans le répertoire libps2000-2.0.7.7-1.x86_64).

./usbtest 

/****************************************************************************
*                  Pico Technology Linux USB Diagnostics                   *
****************************************************************************

This script looks for Pico USB devices connected to your computer
and checks whether you are able to access them. If your user account
does not have permission to access the devices, the script will try 
to suggest how to correct this for your particular Linux installation.

Press enter to continue...

Getting user and group information...
 - You are running this script as moncompte.
 - You are in the following groups:     
     moncompte ... pico                                                                                                                                

Please connect your Pico USB device and press enter to continue...

Pico USB device found: /dev/bus/usb/001/004

 - It belongs to root (which is not you) who has permissions rw-
 - The members of group pico (which you are in) have permissions rw-
 - Everyone else has permissions r--                                
 - You can write to this device and so will be able to use it.

Remarque : j'ai modifié une erreur du script test sur la ligne if [ $devicefound -eq 1 ] par if [ $devicefound -eq 0 ]

Essai du picoscope

gcc -lps2000 PS2000con.c -oPS2000con

./PS2000con

PS2000 driver example program                                                               
Version 1.0                                                                                 



Opening the device...
Handle: 1            
Device opened successfully

Driver Version: 3.6.2.0 Linux
USB Version: 2.0             
Hardware Version: 16         
Variant Info: 2204           
Serial: XFY11/557            

B - immediate block                       V - Set voltages
T - triggered block                       I - Set timebase
Y - advanced triggered block    A - ADC counts/mV         
E - ETS block                                             
S - Streaming                                             
F - Fast streaming                                        
D - Fast streaming triggered                              
G - Signal generator                                      
H - Arbitrary signal generator                            
X - exit                                                  
Operation:                                                

Collect block immediate...
Press a key to start      
timebase: 0     oversample:1
First 10 readings           
Value                       
time unit:  2               
(ps)                        
159                         
159                         
-18                         
-18                         
159                         
-18                         
-18                         
-18                         
-18                         
-18                         

• Site officiel de Pico Technologie (en)
• La page sur Linux (en)

Contributeur principal : Sefran Le 17/12/2009, 00:32