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Yes, Jack, you've got it!? There is some nuance when someone uses the term "global", and what I was trying to flush out was the "super globals" versus "local file globals".? When I see "extern" that

Mornin' Greg: Yes, Al and I found a lot of "dead" variables when we started out. We could tell by their names that some of them were clearly used as temporary debug variables that just didn't get

Great work Terrance!? That is what I aspire to.? It's going to take a few more iterations to get T41EEE that good. I wholeheartedly agree it makes it easier to find things specific to a particular

Found the bug -- it was a simple one-line fix in the end. Pushed to GitHub: https://github.com/KI3P/SDTVer066-9/commit/8569ee3bc37fdbb3143b00356bb0ae0507448c3a

Oliver - Thanks for update.? Your diagrams are very helpful. I took this approach.? Yes, it's tedious.? I've gone pretty far with my approach.? My SDT.h is only 209 lines.? This doesn't reflect a

Hi Jack- It's a metric of the reduction of global variables.? Note that the .ino file was also greatly de-cluttered in concert with SDT.h. There were also a bunch of variables which only existed in

Greg: Curious about the line: To get an idea of how much progress I have made, the number of lines in T41EEE.9/SDT.h = 1057.? SDTVer066-9/SDT.h = 2640. What was the impact if you add up the class

SRY My bad memory Spectrum Options Did we have option for averaging in older FW? Tim

Hi Oliver- One thing I recommend is writing a script to "de-globalize" the code.? I did this and removed hundreds of globals.? There were even globalized local variables! What the script does is

Thanks Oliver. This is a huge effort! And, very exciting! dave,n3ds

Oliver, success, I went back and re-flowed all of the connections on U15 on the LPF control board and checked continuity on all the pins again. Everything was ok. Then I remembered that there was a

I wanted to share a little information on how I'm going to go about restructuring the T41 code. The most difficult bugs to track down in the current code have been those caused by the radio being in

The Ver066.9 code doesn't have a menu option called "Display Options" -- which one did you select? [image.png]

The daisy chain test sounds like it might be a clue. Does your radio find the BPF if that board is connected to the main board? It uses the same I2C bus, so this will confirm that the problem is not

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I reloaded and cleared mwmory Duplicated it! Menu Display Options select cancel press Select Back to partial display and rebooting Tim

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No joy. I checked continuity from U15 to the band header pins, OK. I checked all IC pins for solder bridges and opens and all resistors and capacitors. Powered the board externally and checked all

..And my first transmitter had one tube. A 6V6. It was an article in Popular Electronics.... or maybe Electronics Illustrated. I built it on a baking tin I stole from my mother. The final coil was

As of close of business today, I'll have to stop talking board and kit orders for the T41 and associated electronics. I'm preparing for Hamvention now. We will have plenty of boards, kits, and books