Debugging a teensy with Platformio vscode plugin

[maxgerhardt]

Very technically, the Teensy 4 is hardware-debuggable if you have extreme skills in microsoldering and an external debug probe like a J-Link:

Teensy 4.1 Uploading with JLink

I have not seen anyone else do it with a Teensy 4/4.1 yet. The Teensy 3s are a bit easier to mod since they had debug pads on the board, but you still needed to remove the same chip. It requires good soldering skills, hot air station, microscope, magnet wire, etc. I am still in the early stages of the modification so it is a mess. I am waiting on a pcb to be made which should make this presentable. Here are some pics. [image] [image] The mod requires removing the MKL02Z32VFG4 to access the …

@pitosalas

I do wonder then why Platformio (vs code IDE) has a debug task, which does a lot of recoiling and reuploading, but in the end doesn’t do anything

You should use the exact platformio.ini as provided in that project.