Unfortunately, it is hard to suggest anything specific based on the description you provided.
In order for us to provide any help with this, we need to be able to reproduce the problem on our side.
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Hi,

This looks just fine. The program has been uploaded and started.  The errors shown by OpenOCD should not prevent it from working.

You can double-check it by setting a breakpoint inside loop() – it should trigger soon after the program has started.

That said, please make sure that you do not modify the original sample code in any way until you confirm that you can debug it. Changing some parameters (e.g. controlling JTAG pins directly) would indeed stop debugging from working.

If the breakpoint is working, the FLASH should be programmed just fine (otherwise that code would never get executed).

If the LED is still not blinking, it’s something for you to figure out. All VisualGDB does is builds the code from the Arduino examples using Arduino build rules, and runs the result on the target using the ESP32 debugging tools. VisualGDB does not understand the code it is building/debugging and cannot fix it, or check that it makes sense for a particular target.

This could be a bug in the Arduino framework, Espressif’s build of OpenOCD. You can try running OpenOCD and gdb manually to debug the same code – if the problem persists, the issue is caused by these tools, and using VisualGDB to launch them will not automatically fix the issue.

We can point it out for you, however it would go through a different queue with a current turnaround of 2 business days. If you would like to get it done faster, please consider looking through the pages of VisualGDB Project Properties – most settings are placed very intuitively there.

Hi,

Please find the answers to your questions below:

1. You can program the memory via COM port by right-clicking on the project in Solution Explorer and selecting “Program FLASH Memory“
2. You can prevent VisualGDB from programming FLASH memory during debugging via VisualGDB Project Properties -> Debug Settings -> Program FLASH Memory -> Never.