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The test software and the actual SDT software use the same libraries. Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC

John, the right libraries are given here: GitHub - KI3P/T41-V12-SDT: Repository for ongoing development of the software for the T41 V12 software-defined transceiver

Here is my connection on the same display… Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois Owner

oOops. Spoke too soon: I see there are links to the required libraries: #include "si5351.h" //#include <si5351.h> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? //

Hi John, you need to install the Etherkit Si5351. -- 73 Greg KF5N

I'm trying to run the TestMain code in MainBoardTestCodeAndDoc. I got a compile error as it was looking for Adafruit_MCP23X17. I installed that and now get another error from line 30 #include

Thanks Bill. Yeah, I just cut off pins 11 and 12 so that a 10 pin connector will fit. It looks like the T-41 display pinout is a mirror image of what it needs on the Display, so I think I can wire the

That is…. Check the pins wired on each end to make SURE they match… Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch –

The correct connector to use for interface is the 40 PIN connector. I cut pins 11 and 12 off the connector and then a 10 pin header fits on the first 10 pins of the 40 pins perfectly. Make sure you

I've been wrestling with the datasheet for this 7" display. I checked all the jumpers and it is configured as 4-wire serial. It seems like there is a typo in the datasheet, as they have two J2

Ah yes, the old switcher-roo…everyone does that. At least you didn’t plug the teensy backwards like I did on one of my 4 T41’s… Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ

Embarrassed grin... I soldered the Audio Adapter board on reversed. Good news, so far, is that it now recognizes WIRE at 0x0A on both boards. Hopefully, I didn't fry anything. John K1JO

Interesting.? The Tympan library is still converting from/to I16.? Its quad object looks similar to mine.

I think the 2-channel works up to 32-bits without that "#define I2S_BUFFER_TO_USE_BYTES(...) ".??? That define? may be old code that got left behind, I'm not sure.?? Looking at the begin() for

I tried the 2-channel Open Audio I2S objects as 32-bit but the output was distorted.? I might be missing something, but it appears to need more than just changing a define.? I found the Tympan

Hi Greg and Terrance -? I'm catching up on this.? And, not looking at the begin() end() issue, but just at the Quad I/O in F32.? I'm reading as I get time today, but here are a couple of thoughts.

As we know the documentation is a bit sparse.? You can get some of the designer's intent from looking at the examples.? I guess I need to go back and look at more of them. Beyond that and simply

I couldn't find the source, but I thought I read that the intent of the begin and end functions was to provide a quick, efficient way to start/stop the data flow.? The processing of the data,

It would seem that the interface should be consistent, where applicable, to all of the objects.? So that means any sort of complex data consuming function should have a begin() and end() function. An