Search found 3 matches

by ehliar
Tue Mar 26, 2019 12:42 pm
Forum: Linux
Topic: Extremely high CPU usage when using libpicohrdl with ADC-24.
Replies: 1
Views: 5823

Extremely high CPU usage when using libpicohrdl with ADC-24.

Ok, so I have now managed to get a small program up and running which is essentially a slightly modified version of picohrdlCon.c. The main loop basically looks like this: while(1) { CollectSingleBlocked(); } However, even though I only get roughly one measurement per second picohrdlCon is using 40%...
by ehliar
Tue Mar 26, 2019 9:24 am
Forum: PicoScope 6 for Linux
Topic: ADC-24 USB hang when pressing ctrl-c
Replies: 1
Views: 2549

ADC-24 USB hang when pressing ctrl-c

Another problem I have is that the device is highly likely to end up in a bad state in case I press ctrl-c while picohrdlCon is collecting data. In this case I get messages like the following in dmesg: [3617769.153920] usb 1-9: device descriptor read/64, error -110 This was relatively easy to work a...
by ehliar
Tue Mar 26, 2019 9:20 am
Forum: PicoScope 6 for Linux
Topic: Cannot open ADC-24 directly after plugging it into a USB port
Replies: 0
Views: 2925

Cannot open ADC-24 directly after plugging it into a USB port

I have a problem when trying to use the ADC-24 from Linux using the picohrdlCon.c example software. Directly after connecting the device I am unable to open it from picohrdlCon. I'm not sure exactly what is going on here, but my guess based on the kernel messages in dmesg is that libpicohrdl downloa...