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By jonbill
#57480
I've only built for mega with vs code/platform io. I believe that is also the preferred toolchain for teensy. there's much more to it than compiling speeduino.ino.
have you tried platform io? and building without modifications first?
By MadScientistDad
#57493
So last night I used platform io to try and get this working. I wasn't able to but I was able to build and upload. The problem is still that TS doesn't see the ECU on the COM port. Using Platform IO, I built and uploaded from the Teensy35 task. It uploaded fine with no errors. Nothing. I tried changing the Signature on the PlatformIO.ini file. Nothing. I think it must have something to do with the fw file loaded on the ECU vs the .ini file that TS uses but I can't seem to figure it out. Any ideas?
By dazq
#57494
If TS doesn't see the teensy com port then it has nothing to do with an ini mismatch.
If TS is connecting it will show a ini mismatch error if there is one.

If TS won't find or connect t the com port it is likely something is holding the port open , thus preventing TS from being able to use it.

I must be honest I use teensy and mega based speedy and only compile and upload using the Arduino IDE and have never had an issue with the upload or compile( as a thought all the code changes I have ever submitted to speedy to Date were written on the Arduino IDE.)
By MadScientistDad
#57498
Hey Dazq,

So, TS can see the COM port(COM10), it just doesn't see anything on the COM port. Even when I hit detect on the firmware page in project properties, it doesn't find anything. I close out of Arduino and VScode before I open TS as well just to make sure that one of them isn't holding it open. But, like I said previously, if I use speedy loader it pops right up no problem. One thing I did notice is, when I compile/upload manually, the teesny programmer shows the file as firmware.hex but when I do it with speedy loader it says 202202-teensy35.hex. Does that mean anything?
By dazq
#57499
You can do a simple response test using the serial monitor in the Arduino IDE.
Enter s or q and you will get the firmware version as a response . This is the first thing TS looks for. If you don't get that in the serial monitor then TS has no hope.
There is also a Comms log in TS but the above is a quick simple test the speedy is actually talking(IE the firmware is running)
By MadScientistDad
#57501
So Im still having the same problem. I tried to enter an S and a Q but got no response. I checked it using speedy loader and it gave me "speeduino 202202". But, to verify I was compiling correctly (or at least I think I am), I compiled it on an Arduino Mega and it works just fine. TS picked it right up and I got the firmware version from the IDE serial monitor. So that leads me to think that my IDE isn't working correctly with the teensy. I am going to try and uninstall the IDE and reinstall it and Teensyduino and see if that works. Any other ideas?

*update- Re-install didn't help
By MadScientistDad
#57513
Hey Jan,

Yes I have tried that. But, here is what I have figured out. I tried loading it on a Teensy 4.1 and guess what...worked just fine. So at this point, I think I can narrow it down to the teensy 3.5. Is there anyway to completely wipe a teensy and set it back to its factory settings?

Quick update: I had to clear the EEPROM on the Teensy to get it to work. hold the reset button for 15 seconds (use a timer) to reset. Thanks for all the help guys.
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