docs: Improve information about debugging for Espressif SoCs
Provide more information on how to properly use OpenOCD and gdb to debug Espressif SoCs on NuttX.
This commit is contained in:
Tiago Medicci
Xiang Xiao
parent
b3f1871bc3
commit
3ae30d00ea
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@ -110,35 +110,75 @@ Note that this step is required only one time. Once the bootloader and partitio
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table are flashed, we don't need to flash them again. So subsequent builds
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would just require: ``make flash ESPTOOL_PORT=/dev/ttyUSBXX``
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Debugging with OpenOCD
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======================
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Debugging with ``openocd`` and ``gdb``
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======================================
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Download and build OpenOCD from Espressif, that can be found in
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https://github.com/espressif/openocd-esp32
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Espressif uses a specific version of OpenOCD to support ESP32-C3: `openocd-esp32 <https://github.com/espressif/>`_.
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If you have an ESP32-C3 ECO3, no external JTAG is required to debug, the ESP32-C3
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integrates a USB-to-JTAG adapter.
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Please check `Building OpenOCD from Sources <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32c3/api-guides/jtag-debugging/index.html#jtag-debugging-building-openocd>`_
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for more information on how to build OpenOCD for ESP32-C3.
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ESP32-C3 has a built-in JTAG circuitry and can be debugged without any additional chip.
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Only an USB cable connected to the D+/D- pins is necessary:
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============ ==========
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ESP32-C3 Pin USB Signal
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============ ==========
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GPIO18 D-
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GPIO19 D+
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5V V_BUS
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GND Ground
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============ ==========
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.. note:: One must configure the USB drivers to enable JTAG communication. Please check
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`Configure USB Drivers <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32c3/api-guides/jtag-debugging/configure-builtin-jtag.html#configure-usb-drivers>`_
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for more information.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS none' -f board/esp32c3-builtin.cfg
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For versions prior to ESP32-C3 ECO3, an external JTAG adapter is needed.
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It can be connected as follows::
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If you want to debug with an external JTAG adapter it can
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be connected as follows:
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TMS -> GPIO4
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TDI -> GPIO5
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TCK -> GPIO6
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TDO -> GPIO7
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============ ===========
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ESP32-C6 Pin JTAG Signal
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============ ===========
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GPIO4 TMS
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GPIO5 TDI
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GPIO6 TCK
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GPIO7 TDO
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============ ===========
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Furthermore, an efuse needs to be burnt to be able to debug::
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espefuse.py -p <port> burn_efuse DIS_USB_JTAG
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.. warning:: Burning eFuses is an irreversible operation, so please
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consider the above option before starting the process.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS none' -f board/esp32c3-ftdi.cfg
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Once OpenOCD is running, you can use GDB to connect to it and debug your application::
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riscv-none-elf-gdb -x gdbinit nuttx
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whereas the content of the ``gdbinit`` file is::
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target remote :3333
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set remote hardware-watchpoint-limit 2
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mon reset halt
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flushregs
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monitor reset halt
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thb nsh_main
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c
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.. note:: ``nuttx`` is the ELF file generated by the build process. Please note that ``CONFIG_DEBUG_SYMBOLS`` must be enabled in the ``menuconfig``.
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Please refer to :doc:`/quickstart/debugging` for more information about debugging techniques.
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Peripheral Support
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==================
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@ -120,35 +120,75 @@ Where ``<port>`` is typically ``/dev/ttyUSB0`` or similar and ``./`` is
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the path to the folder containing the externally-built 2nd stage bootloader for
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the ESP32-C3 as explained above.
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Debugging with OpenOCD
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======================
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Debugging with ``openocd`` and ``gdb``
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======================================
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Espressif uses a specific version of OpenOCD to support ESP32-C3: `openocd-esp32 <https://github.com/espressif/>`_.
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Please check `Building OpenOCD from Sources <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32c3/api-guides/jtag-debugging/index.html#jtag-debugging-building-openocd>`_
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for more information on how to build OpenOCD for ESP32-C3.
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If you have an ESP32-C3 ECO3, no external JTAG is required to debug, the ESP32-C3
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integrates a USB-to-JTAG adapter.
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ESP32-C3 has a built-in JTAG circuitry and can be debugged without any additional chip.
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Only an USB cable connected to the D+/D- pins is necessary:
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============ ==========
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ESP32-C3 Pin USB Signal
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============ ==========
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GPIO18 D-
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GPIO19 D+
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5V V_BUS
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GND Ground
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============ ==========
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.. note:: One must configure the USB drivers to enable JTAG communication. Please check
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`Configure USB Drivers <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32c3/api-guides/jtag-debugging/configure-builtin-jtag.html#configure-usb-drivers>`_
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for more information.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32c3-builtin.cfg
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For versions prior to ESP32-C3 ECO3, an external JTAG adapter is needed.
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It can be connected as follows::
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If you want to debug with an external JTAG adapter it can
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be connected as follows:
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TMS -> GPIO4
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TDI -> GPIO5
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TCK -> GPIO6
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TDO -> GPIO7
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============ ===========
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ESP32-C6 Pin JTAG Signal
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============ ===========
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GPIO4 TMS
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GPIO5 TDI
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GPIO6 TCK
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GPIO7 TDO
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============ ===========
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Furthermore, an efuse needs to be burnt to be able to debug::
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espefuse.py -p <port> burn_efuse DIS_USB_JTAG
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.. warning:: Burning eFuses is an irreversible operation, so please
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consider the above option before starting the process.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32c3-ftdi.cfg
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Once OpenOCD is running, you can use GDB to connect to it and debug your application::
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riscv-none-elf-gdb -x gdbinit nuttx
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whereas the content of the ``gdbinit`` file is::
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target remote :3333
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set remote hardware-watchpoint-limit 2
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mon reset halt
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flushregs
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monitor reset halt
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thb nsh_main
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c
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.. note:: ``nuttx`` is the ELF file generated by the build process. Please note that ``CONFIG_DEBUG_SYMBOLS`` must be enabled in the ``menuconfig``.
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Please refer to :doc:`/quickstart/debugging` for more information about debugging techniques.
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Peripheral Support
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==================
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@ -119,35 +119,66 @@ Where ``<port>`` is typically ``/dev/ttyUSB0`` or similar and ``./`` is
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the path to the folder containing the externally-built 2nd stage bootloader for
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the ESP32-C6 as explained above.
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Debugging with OpenOCD
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======================
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Debugging with ``openocd`` and ``gdb``
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======================================
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Download and build OpenOCD from Espressif, that can be found in
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https://github.com/espressif/openocd-esp32
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Espressif uses a specific version of OpenOCD to support ESP32-C6: `openocd-esp32 <https://github.com/espressif/>`_.
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Please check `Building OpenOCD from Sources <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32c6/api-guides/jtag-debugging/index.html#jtag-debugging-building-openocd>`_
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for more information on how to build OpenOCD for ESP32-C6.
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You do not need an external JTAG to debug, the ESP32-C6 integrates a
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USB-to-JTAG adapter.
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.. note:: One must configure the USB drivers to enable JTAG communication. Please check
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`Configure USB Drivers <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32c6/api-guides/jtag-debugging/configure-builtin-jtag.html#configure-usb-drivers>`_
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for more information.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32c6-builtin.cfg
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If you want to debug with an external JTAG adapter it can
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be connected as follows::
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be connected as follows:
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TMS -> GPIO4
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TDI -> GPIO5
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TCK -> GPIO6
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TDO -> GPIO7
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============ ===========
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ESP32-C6 Pin JTAG Signal
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============ ===========
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GPIO4 TMS
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GPIO5 TDI
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GPIO6 TCK
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GPIO7 TDO
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============ ===========
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Furthermore, an efuse needs to be burnt to be able to debug::
|
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espefuse.py -p <port> burn_efuse DIS_USB_JTAG
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.. warning:: Burning eFuses is an irreversible operation, so please
|
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consider the above option before starting the process.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwtread; set ESP_FLASH_SIZE 0' -f board/esp32c6-ftdi.cfg
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Once OpenOCD is running, you can use GDB to connect to it and debug your application::
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riscv-none-elf-gdb -x gdbinit nuttx
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whereas the content of the ``gdbinit`` file is::
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target remote :3333
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set remote hardware-watchpoint-limit 2
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mon reset halt
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flushregs
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monitor reset halt
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thb nsh_main
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c
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.. note:: ``nuttx`` is the ELF file generated by the build process. Please note that ``CONFIG_DEBUG_SYMBOLS`` must be enabled in the ``menuconfig``.
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Please refer to :doc:`/quickstart/debugging` for more information about debugging techniques.
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Peripheral Support
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==================
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|
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@ -119,35 +119,66 @@ Where ``<port>`` is typically ``/dev/ttyUSB0`` or similar and ``./`` is
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the path to the folder containing the externally-built 2nd stage bootloader for
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the ESP32-H2 as explained above.
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Debugging with OpenOCD
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======================
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Debugging with ``openocd`` and ``gdb``
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======================================
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Download and build OpenOCD from Espressif, that can be found in
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https://github.com/espressif/openocd-esp32
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Espressif uses a specific version of OpenOCD to support ESP32-H2: `openocd-esp32 <https://github.com/espressif/>`_.
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You don not need an external JTAG is to debug, the ESP32-H2 integrates a
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Please check `Building OpenOCD from Sources <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32h2/api-guides/jtag-debugging/index.html#jtag-debugging-building-openocd>`_
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for more information on how to build OpenOCD for ESP32-H2.
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You do not need an external JTAG to debug, the ESP32-H2 integrates a
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USB-to-JTAG adapter.
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.. note:: One must configure the USB drivers to enable JTAG communication. Please check
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`Configure USB Drivers <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32h2/api-guides/jtag-debugging/configure-builtin-jtag.html#configure-usb-drivers>`_
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for more information.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32h2-builtin.cfg
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If you want to debug with an external JTAG adapter it can
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be connected as follows::
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be connected as follows:
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TMS -> GPIO2
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TDI -> GPIO5
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TCK -> GPIO5
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TDO -> GPIO3
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============ ===========
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ESP32-H2 Pin JTAG Signal
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============ ===========
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GPIO2 TMS
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GPIO5 TDI
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GPIO4 TCK
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GPIO3 TDO
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============ ===========
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Furthermore, an efuse needs to be burnt to be able to debug::
|
||||
|
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espefuse.py -p <port> burn_efuse DIS_USB_JTAG
|
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|
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.. warning:: Burning eFuses is an irreversible operation, so please
|
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consider the above option before starting the process.
|
||||
|
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32h2-ftdi.cfg
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Once OpenOCD is running, you can use GDB to connect to it and debug your application::
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|
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riscv-none-elf-gdb -x gdbinit nuttx
|
||||
|
||||
whereas the content of the ``gdbinit`` file is::
|
||||
|
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target remote :3333
|
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set remote hardware-watchpoint-limit 2
|
||||
mon reset halt
|
||||
flushregs
|
||||
monitor reset halt
|
||||
thb nsh_main
|
||||
c
|
||||
|
||||
.. note:: ``nuttx`` is the ELF file generated by the build process. Please note that ``CONFIG_DEBUG_SYMBOLS`` must be enabled in the ``menuconfig``.
|
||||
|
||||
Please refer to :doc:`/quickstart/debugging` for more information about debugging techniques.
|
||||
|
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Peripheral Support
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==================
|
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|
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|
|
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@ -142,8 +142,10 @@ externally-built 2nd stage bootloader and the partition table (if applicable): w
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``make bootloader``, these files are placed into ``nuttx`` folder. ``ESPTOOL_BAUD`` is able to
|
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change the flash baud rate if desired.
|
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|
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Debugging with OpenOCD
|
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======================
|
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Debugging with ``openocd`` and ``gdb``
|
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======================================
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|
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Espressif uses a specific version of OpenOCD to support ESP32: `openocd-esp32 <https://github.com/espressif/>`_.
|
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Please check `Building OpenOCD from Sources <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32/api-guides/jtag-debugging/index.html#jtag-debugging-building-openocd>`_
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for more information on how to build OpenOCD for ESP32.
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@ -165,10 +167,33 @@ Some boards, like :ref:`ESP32-Ethernet-Kit V1.2 <platforms/xtensa/esp32/boards/e
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Other boards that don't have any built-in JTAG debugger can be debugged using an external JTAG debugger, like the one
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described for the :ref:`ESP32-DevKitC <platforms/xtensa/esp32/boards/esp32-devkitc/index:Debugging with OpenOCD>`.
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.. note:: One must configure the USB drivers to enable JTAG communication. Please check
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`Configure USB Drivers <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32/api-guides/jtag-debugging/configure-ft2232h-jtag.html#configure-usb-drivers>`_
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for configuring the JTAG adapter of the :ref:`ESP32-Ethernet-Kit V1.2 <platforms/xtensa/esp32/boards/esp32-ethernet-kit/index:ESP32-Ethernet-Kit V1.2>` and
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:ref:`ESP-WROVER-KIT <platforms/xtensa/esp32/boards/esp32-wrover-kit/index:ESP-WROVER-KIT>` boards and other FT2232-based JTAG adapters.
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32-wrover-kit-1.8v.cfg
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Once OpenOCD is running, you can use GDB to connect to it and debug your application::
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|
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xtensa-esp32-elf-gdb -x gdbinit nuttx
|
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|
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whereas the content of the ``gdbinit`` file is::
|
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|
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target remote :3333
|
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set remote hardware-watchpoint-limit 2
|
||||
mon reset halt
|
||||
flushregs
|
||||
monitor reset halt
|
||||
thb nsh_main
|
||||
c
|
||||
|
||||
.. note:: ``nuttx`` is the ELF file generated by the build process. Please note that ``CONFIG_DEBUG_SYMBOLS`` must be enabled in the ``menuconfig``.
|
||||
|
||||
Please refer to :doc:`/quickstart/debugging` for more information about debugging techniques.
|
||||
|
||||
Peripheral Support
|
||||
==================
|
||||
|
||||
|
|
|
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|
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@ -135,8 +135,10 @@ externally-built 2nd stage bootloader and the partition table (if applicable): w
|
|||
``make bootloader``, these files are placed into ``nuttx`` folder. ``ESPTOOL_BAUD`` is able to
|
||||
change the flash baud rate if desired.
|
||||
|
||||
Debugging with OpenOCD
|
||||
======================
|
||||
Debugging with ``openocd`` and ``gdb``
|
||||
======================================
|
||||
|
||||
Espressif uses a specific version of OpenOCD to support ESP32-S2: `openocd-esp32 <https://github.com/espressif/>`_.
|
||||
|
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Please check `Building OpenOCD from Sources <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32s2/api-guides/jtag-debugging/index.html#jtag-debugging-building-openocd>`_
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for more information on how to build OpenOCD for ESP32-S2.
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@ -157,10 +159,33 @@ Some boards, like :ref:`ESP32-S2-Kaluga-1 Kit v1.3 <platforms/xtensa/esp32s2/boa
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Other boards that don't have any built-in JTAG debugger can be debugged using an external JTAG debugger being connected
|
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directly to the ESP32-S2 JTAG pins.
|
||||
|
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.. note:: One must configure the USB drivers to enable JTAG communication. Please check
|
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`Configure USB Drivers <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32s2/api-guides/jtag-debugging/configure-ft2232h-jtag.html?highlight=udev#configure-usb-drivers>`_
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for configuring the JTAG adapter of the :ref:`ESP32-S2-Kaluga-1 <platforms/xtensa/esp32s2/boards/esp32s2-kaluga-1/index:ESP32-S2-Kaluga-1 Kit v1.3>` board
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and other FT2232-based JTAG adapters.
|
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OpenOCD can then be used::
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openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32s2-kaluga-1.cfg
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|
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Once OpenOCD is running, you can use GDB to connect to it and debug your application::
|
||||
|
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xtensa-esp32s2-elf-gdb -x gdbinit nuttx
|
||||
|
||||
whereas the content of the ``gdbinit`` file is::
|
||||
|
||||
target remote :3333
|
||||
set remote hardware-watchpoint-limit 2
|
||||
mon reset halt
|
||||
flushregs
|
||||
monitor reset halt
|
||||
thb nsh_main
|
||||
c
|
||||
|
||||
.. note:: ``nuttx`` is the ELF file generated by the build process. Please note that ``CONFIG_DEBUG_SYMBOLS`` must be enabled in the ``menuconfig``.
|
||||
|
||||
Please refer to :doc:`/quickstart/debugging` for more information about debugging techniques.
|
||||
|
||||
Peripheral Support
|
||||
==================
|
||||
|
||||
|
|
|
|||
|
|
@ -142,8 +142,10 @@ externally-built 2nd stage bootloader and the partition table (if applicable): w
|
|||
``make bootloader``, these files are placed into ``nuttx`` folder. ``ESPTOOL_BAUD`` is able to
|
||||
change the flash baud rate if desired.
|
||||
|
||||
Debugging with OpenOCD
|
||||
======================
|
||||
Debugging with ``openocd`` and ``gdb``
|
||||
======================================
|
||||
|
||||
Espressif uses a specific version of OpenOCD to support ESP32-S3: `openocd-esp32 <https://github.com/espressif/>`_.
|
||||
|
||||
Please check `Building OpenOCD from Sources <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32s3/api-guides/jtag-debugging/index.html#jtag-debugging-building-openocd>`_
|
||||
for more information on how to build OpenOCD for ESP32-S3.
|
||||
|
|
@ -154,10 +156,32 @@ extra wiring/cable to connect JTAG to ESP32-S3. Most of the ESP32-S3 boards have
|
|||
USB connector that can be used for JTAG debugging.
|
||||
This is the case for the :ref:`ESP32-S3-DevKit <platforms/xtensa/esp32s3/boards/esp32s3-devkit/index:ESP32S3-DevKit>` board.
|
||||
|
||||
.. note:: One must configure the USB drivers to enable JTAG communication. Please check
|
||||
`Configure USB Drivers <https://docs.espressif.com/projects/esp-idf/en/release-v5.1/esp32s3/api-guides/jtag-debugging/configure-builtin-jtag.html?highlight=udev#configure-usb-drivers>`_
|
||||
for more information.
|
||||
|
||||
OpenOCD can then be used::
|
||||
|
||||
openocd -c 'set ESP_RTOS hwthread; set ESP_FLASH_SIZE 0' -f board/esp32s3-builtin.cfg
|
||||
|
||||
Once OpenOCD is running, you can use GDB to connect to it and debug your application::
|
||||
|
||||
xtensa-esp32s3-elf-gdb -x gdbinit nuttx
|
||||
|
||||
whereas the content of the ``gdbinit`` file is::
|
||||
|
||||
target remote :3333
|
||||
set remote hardware-watchpoint-limit 2
|
||||
mon reset halt
|
||||
flushregs
|
||||
monitor reset halt
|
||||
thb nsh_main
|
||||
c
|
||||
|
||||
.. note:: ``nuttx`` is the ELF file generated by the build process. Please note that ``CONFIG_DEBUG_SYMBOLS`` must be enabled in the ``menuconfig``.
|
||||
|
||||
Please refer to :doc:`/quickstart/debugging` for more information about debugging techniques.
|
||||
|
||||
Peripheral Support
|
||||
==================
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue