OpenOCD Issues

OpenOCD – libusb_open() failed with LIBUSB_ERROR_NOT_FOUND Have you installed the driver for the ESP-Prog? Error: libusb_open() failed with LIBUSB_ERROR_NOT_SUPPORTED From Espressif support: This confusing error message can be printed on Windows, but it does not prevent debugger from working properly. So you just can ignore it if it seems the OpenOCD USB connection is actually […]

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OpenOCD Log output

Add this to your openocd commands Using -d3 gives you a full verbose output The output log is written to the file openocd_log.txt in: C:\Espressif\frameworks\esp-idf-vX.X.X

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