OpenOCD Issues

OpenOCD – libusb_open() failed with LIBUSB_ERROR_NOT_FOUND Have you installed the driver for the ESP-Prog? Have you used the zadig tool to change the driver for Interface 0 / is it still changed (hasn’t reverted back). Error: libusb_open() failed with LIBUSB_ERROR_NOT_SUPPORTED From Espressif support: This confusing error message can be printed on Windows, but it does […]

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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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