Help with viewing the RTIO logs in GTKWave

Flash77

I am testing the rtio_logger function, in my sequence I want to see the changes in my DDS frequency as well. I am switching between two frequencies 203 MHz and 210 MHz, so I used the statement rtio_log("dds_3d_freq", 203) whenever the frequency was changing. This showed up fine on the ARTIQ's waveform GUI. But we want to use GTKWave for this purpose and these values show up as 323033 and 323130 on the same

I understand this has something to do with how the log is storied and some form of conversion required before viewing in GTKWave, but I cannot find much information regarding this. Any help would be appreciated

bukehu

Flash77
If you select that signal and right click it, you will see "Data format", then select ASCII. Then it will be converted to the text logged.

bukehu

Hi! I am still trying to find the exact encoding methods we used, but I found some info on github issues #206. Might be helpful.

I'll post more later once it's clear.

Flash77

bukehu Yes I realised after posting the query

But thank you for your reply!

Do you by any chance know if it’s possible to hide the idle cycles in GTKWave so that only the transitions are displayed clearly (which ofc means that the time is no longer linear)?

bukehu

Flash77

I personally don't know. And I found this github link
So, probably, no.

bukehu

Flash77

My apologies, an artiq feature may help to do what you want: uniform_interval. Please let us know if it helps.