Hi 4InnoUnthan, the wroom configuration file share/openocd/scripts/board/esp-wroom-32.cfg is in openocd distribution. The frequency setting is in line 61 in my installation. As for the functionality, as I said, it works fine for me on a Linux host (not VM). On native windows I had some troubles conf...

Hi ESP_igrr, first of all I realized I did not mention I am running Linux Mint 19.1 in a VirtualBox VM. Sorry about that. I did not think this made a difference, as I saw the basic connection was working (JLink and usb2uart devices assigned to the virtual machine). Instead I had the chance to test o...

Hi, I managed to get it "almost" working by lowering JTAG programming frequency in share/openocd/scripts/board/esp-wroom-32.cfg #adapter_khz 20000 adapter_khz 5000 However, the system is slow, and I have some hiccups: - the first GDB connection generates the following openocd log snippet and fails E...

Hi ESP_igrr, when I wrote I get similar errors if I use the option CODE: SELECT ALL -c "init; reset halt" to openocd I meant that running just bin/openocd -s share/openocd/scripts -f interface/jlink.cfg -f board/esp-wroom-32.cfg -c "init; reset halt" I get these errors Info : J-Link V10 compiled Mar...

What output do you get if you run the following? bin/openocd -s share/openocd/scripts -f interface/jlink.cfg -f board/esp-wroom-32.cfg -c "init; reset halt" After this, try connecting with GDB. Hi ESP_igrr, thanks for answering. I was using the AT FW and I realized that the default RTS/CTS may conf...

Hi all, I am new to ESP32. I connected ESP32-DevKitC with SEGGER JLink following the instructions at here https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/jtag-debugging/configure-other-jtag.html . I use the following command line for OpenOCD bin/openocd -s share/openocd/scripts -f i...