Search found 5 matches

by nab_durham
Wed Nov 16, 2011 11:25 am
Forum: Linux
Topic: Overflow status & duplicated channels
Replies: 9
Views: 14569

Re: Overflow status & duplicated channels

(I'm not sure if the reply I sent from on-site reached the forum, I can't see it but I was very tired having worked till early morning.) A small update on the situation that partially resolves matters. On site, I found a Picoscope 3424 and after the straightforward modication of my code to incorpora...
by nab_durham
Tue Nov 01, 2011 1:18 pm
Forum: Linux
Topic: Overflow status & duplicated channels
Replies: 9
Views: 14569

Re: Overflow status & duplicated channels

My other code does have the delay. Adding a one second poll delay to picotest.cpp makes no difference to the behviour of the buffer contents for the two channels. I've also tried putting in non-physical ADC values into the buffer (1) and this shows the buffer for channel B is being erroneously overw...
by nab_durham
Mon Oct 31, 2011 4:46 pm
Forum: Linux
Topic: Overflow status & duplicated channels
Replies: 9
Views: 14569

Re: Overflow status & duplicated channels

Hello. Many thanks for checking so quickly with my code---I was fairly convinced that it was correctly written; even though I didn't structure picotest.cpp, it is so straightforward that it is hard to go amiss. I am using the supplied USB lead (tried another with the same result) and the computer is...
by nab_durham
Mon Oct 31, 2011 12:50 pm
Forum: Linux
Topic: Overflow status & duplicated channels
Replies: 9
Views: 14569

Re: Overflow status & duplicated channels

Hello. I've attached a small piece of source code that doesn't work in reading out the B channel using block mode. I use the latest version of the Linux driver and the code outputs the following from the ps2000_get_unit_info( function: Driver Version: 3.6.2.0 Linux USB Version: 2.0 Hardware Version:...
by nab_durham
Mon Oct 24, 2011 4:19 pm
Forum: Linux
Topic: Overflow status & duplicated channels
Replies: 9
Views: 14569

Overflow status & duplicated channels

I am using a Picoscope 2205 under Linux (Fedora 10 I believe) and am having problems with the block mode readout. This is the mode I require for my application. I however have run into several issues, 1a. The overflow parameter from ps2000_get_times_and_values should only return a value of 0,1,2, or...