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Thank you for the help. Rechecked everything in the morning and it’s working great now. The thread can be locked / deleted now (or left, maybe it can help someone else in the future). Thanks again!
Ah! Thanks! Is there a way to use GDB stub just for flashing while the debugging + waiting for stub is disabled? I would rather not use J-Link if i don’t have to as i already use it flashing second MCU that will communicate with ESP in the future. Redoing connections every time i switch IC would be a major hassle. commenting out the “gdbstub_init()” seems way too simple to be true?
Thanks for the reply. I’m double-checking now but i think i found the issue. i followed the tutorial slightly too blindly and set the SPI flash size to 4m where as EVB-ESP8266 has EX version at 16m. Project now flashing and working in debug mode. Still slight issue with behavior on power cycle (Does not work if not in debug) but that might be unrelated (possibly related to boot mode reverting to UART and not FLASH?). Double-checking and trying to fix the power cycle issue but at least I’m getting somewhere.
