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boards: st: nucleo_wb07cc: add support for Nucleo-WB07CC board
Add support for the STMicroelectronics Nucleo-WB07CC board. Signed-off-by: Mathieu Choplain <[email protected]>
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‎boards/st/nucleo_wb07cc/Kconfig.nucleo_wb07cc

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# Copyright (c) 2025 STMicroelectronics
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_NUCLEO_WB07CC
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select SOC_STM32WB07XX

‎boards/st/nucleo_wb07cc/arduino_r3_connector.dtsi

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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arduino_header: connector {
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compatible = "arduino-header-r3";
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#gpio-cells = <2>;
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gpio-map-mask = <0xffffffff 0xffffffc0>;
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gpio-map-pass-thru = <0 0x3f>;
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/* Some pins are not connected to the Arduino
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* connector in default hardware configuration.
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* Only the connected pins are provided here.
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*/
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gpio-map = <0 0 &gpiob 3 0>, /* A0 */
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<1 0 &gpiob 1 0>, /* A1 */
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<2 0 &gpioa 15 0>, /* A2 */
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<3 0 &gpioa 12 0>, /* A3 */
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<4 0 &gpioa 14 0>, /* A4 */
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<5 0 &gpioa 13 0>, /* A5 */
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/* D0 - N/C (PA8 via SB9) */
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/* D1 - N/C (PA9 via SB7) */
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<8 0 &gpiob 15 0>, /* D2 */
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/* D3 - N/C (PA0 via SB3) */
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<10 0 &gpiob 11 0>, /* D4 */
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<11 0 &gpiob 14 0>, /* D5 */
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<12 0 &gpioa 11 0>, /* D6 */
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<13 0 &gpiob 10 0>, /* D7 */
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<14 0 &gpiob 8 0>, /* D8 */
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<15 0 &gpioa 1 0>, /* D9 */
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<16 0 &gpioa 4 0>, /* D10 */
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<17 0 &gpioa 6 0>, /* D11 */
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<18 0 &gpioa 7 0>, /* D12 */
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<19 0 &gpioa 5 0>, /* D13 */
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<20 0 &gpiob 7 0>, /* D14 */
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<21 0 &gpiob 6 0>; /* D15 */
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};
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};
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arduino_i2c: &i2c2 {};
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arduino_serial: &usart1 {};
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arduino_spi: &spi2 {};

‎boards/st/nucleo_wb07cc/board.cmake

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# SPDX-License-Identifier: Apache-2.0
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# keep first
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board_runner_args(stm32cubeprogrammer "--port=swd" "--reset-mode=sw" "--start-address=0x10040000")
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# keep first
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include(${ZEPHYR_BASE}/boards/common/stm32cubeprogrammer.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/openocd.board.cmake)

‎boards/st/nucleo_wb07cc/board.yml

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board:
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name: nucleo_wb07cc
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full_name: Nucleo WB07CC
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vendor: st
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socs:
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- name: stm32wb07

‎boards/st/nucleo_wb07cc/doc/img/nucleo_wb07cc.webp

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‎boards/st/nucleo_wb07cc/doc/index.rst

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.. zephyr:board:: nucleo_wb07cc
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Overview
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********
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The Nucleo WB07CC board is a Bluetooth |reg| Low Energy wireless and ultra-low-power
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board featuring an ARM Cortex |reg|-M0+ based STM32WB07CCV MCU, embedding a
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powerful and ultra-low-power radio compliant with the Bluetooth |reg| Low Energy
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SIG specification v5.4.
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More information about the board can be found on the `Nucleo WB07CC webpage`_.
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Hardware
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********
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Nucleo WB07CC provides the following hardware components:
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- STM32WB07CCV in VFQFPN32 package
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- ARM |reg| 32-bit Cortex |reg|-M0+ CPU
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- 64 MHz maximal CPU frequency
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- 256 KB Flash
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- 64 KB SRAM
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More information about STM32WB07CCV can be found here:
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- `WB07CC on www.st.com`_
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- `STM32WB07 reference manual`_
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Supported Features
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==================
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The Zephyr ``nucleo_wb07cc`` board target supports the following hardware features:
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+-----------+------------+-------------------------------------+
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| Interface | Controller | Driver/Component |
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+===========+============+=====================================+
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| NVIC | on-chip | nested vector interrupt controller |
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+-----------+------------+-------------------------------------+
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| UART | on-chip | serial port-polling; |
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| | | serial port-interrupt |
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+-----------+------------+-------------------------------------+
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| PINMUX | on-chip | pinmux |
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+-----------+------------+-------------------------------------+
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| GPIO | on-chip | gpio |
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+-----------+------------+-------------------------------------+
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| FLASH | on-chip | internal flash memory |
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+-----------+------------+-------------------------------------+
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| I2C | on-chip | i2c |
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+-----------+------------+-------------------------------------+
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| SPI | on-chip | spi |
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+-----------+------------+-------------------------------------+
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| ADC | on-chip | adc |
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+-----------+------------+-------------------------------------+
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| RADIO | on-chip | Bluetooth Low Energy |
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+-----------+------------+-------------------------------------+
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Other hardware features are not yet supported on this Zephyr port.
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The default configuration can be found in the defconfig file:
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:zephyr_file:`boards/st/nucleo_wb07cc/nucleo_wb07cc_defconfig`
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Bluetooth support
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-----------------
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BLE support is enabled; however, to build a Zephyr sample using this board,
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the Bluetooth controller library must be fetched into Zephyr as a binary blob.
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To fetch the binary blobs:
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.. code-block:: console
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$ west blobs fetch hal_stm32
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Connections and IOs
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===================
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Default Zephyr Peripheral Mapping:
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----------------------------------
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- USART1 TX/RX : PA9/PA8 (ST-Link Virtual COM Port)
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- BUTTON (B1) : PA0
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- BUTTON (B2) : PB5
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- BUTTON (B3) : PB9
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- LED (LD1/BLUE) : PB0
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- LED (LD2/GREEN) : PB4
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- LED (LD3/RED) : PB2
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For more details, please refer to the `Nucleo WB07CC board User Manual`_.
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Programming and Debugging
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*************************
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Nucleo WB07CC board includes an ST-LINK-V3EC embedded debug tool interface.
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Applications for the ``nucleo_wb07cc`` board target can be built and flashed
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in the usual way (see :ref:`build_an_application` and :ref:`application_run`
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for more details).
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Flashing
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========
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The board is configured to be flashed using the west `STM32CubeProgrammer`_ runner,
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so :ref:`it must be installed <stm32cubeprog-flash-host-tools>` beforehand.
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Alternatively, OpenOCD can also be used to flash the board using the
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``--runner`` (or ``-r``) option:
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.. code-block:: console
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$ west flash --runner openocd
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Flashing an application to Nucleo WB07CC
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----------------------------------------
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Connect the Nucleo WB07CC to your host computer using the USB port,
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then run a serial host program to connect with your Nucleo board:
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.. code-block:: console
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$ minicom -D /dev/ttyACM0
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Now build and flash an application. Here is an example for
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:zephyr:code-sample:`hello_world`.
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: nucleo_wb07cc
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:goals: build flash
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You should see the following message on the console:
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.. code-block:: console
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Hello World! nucleo_wb07cc/stm32wb07
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Debugging
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=========
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You can debug an application in the usual way. Here is an example for the
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:zephyr:code-sample:`hello_world` application.
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: nucleo_wb07cc
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:maybe-skip-config:
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:goals: debug
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.. _`Nucleo WB07CC webpage`:
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https://www.st.com/en/evaluation-tools/nucleo-wb07cc.html
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.. _`WB07CC on www.st.com`:
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https://www.st.com/en/microcontrollers-microprocessors/stm32wb07cc.html
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.. _`STM32WB07 reference manual`:
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https://www.st.com/resource/en/reference_manual/rm0530--stm32wb07xc-and-stm32wb06xc-ultralow-power-wireless-32bit-mcus-armbased-cortexm0-with-bluetooth-low-energy-and-24-ghz-radio-solution-stmicroelectronics.pdf
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.. _`Nucleo WB07CC board User Manual`:
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https://www.st.com/resource/en/user_manual/um3344-stm32wb07-nucleo64-board-mb1801-and-mb2119-stmicroelectronics.pdf
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.. _STM32CubeProgrammer:
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https://www.st.com/en/development-tools/stm32cubeprog.html

‎boards/st/nucleo_wb07cc/nucleo_wb07cc.dts

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/*
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* Copyright (c) 2025 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <st/wb0/stm32wb07Xc.dtsi>
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#include <st/wb0/stm32wb07ccvx-pinctrl.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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#include "arduino_r3_connector.dtsi"
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/ {
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model = "STMicroelectronics STM32WB07CC-NUCLEO board";
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compatible = "st,stm32wb07cc-nucleo";
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#address-cells = <1>;
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#size-cells = <1>;
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chosen {
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zephyr,console = &usart1;
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zephyr,shell-uart = &usart1;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,bt-c2h-uart = &usart1;
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};
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leds: leds {
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compatible ="gpio-leds";
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blue_led_1: led_0 {
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gpios = <&gpiob 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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};
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green_led_1: led_1 {
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gpios = <&gpiob 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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};
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red_led_1: led_2 {
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gpios = <&gpiob 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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user_button_1: button_0 {
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label = "SW1";
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gpios = <&gpioa 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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zephyr,code = <INPUT_KEY_0>;
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};
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user_button_2: button_1 {
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label = "SW2";
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gpios = <&gpiob 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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zephyr,code = <INPUT_KEY_1>;
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};
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user_button_3: button_2 {
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label = "SW3";
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gpios = <&gpiob 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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zephyr,code = <INPUT_KEY_2>;
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};
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};
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aliases {
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led0 = &blue_led_1;
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led1 = &green_led_1;
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led2 = &red_led_1;
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sw0 = &user_button_1;
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sw1 = &user_button_2;
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sw2 = &user_button_3;
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};
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};
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&pwrc {
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smps-mode = "RUN";
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smps-bom = <3>;
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};
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&clk_lse {
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status = "okay";
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};
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&clk_hse {
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status = "okay";
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};
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&clk_hsi {
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status = "okay";
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};
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&pll {
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status = "okay";
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};
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&rcc {
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clocks = <&pll>;
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clock-frequency = <DT_FREQ_M(64)>;
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clksys-prescaler = <1>;
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slow-clock = <&clk_lse>;
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};
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&bt_hci_wb0 {
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status = "okay";
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};
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&usart1 {
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pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa8>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&i2c2 {
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pinctrl-0 = <&i2c2_scl_pb6 &i2c2_sda_pb7>;
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pinctrl-names = "default";
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status = "okay";
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};
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&spi2 {
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pinctrl-0 = <&spi2_nss_pa4 &spi2_sck_pa5 &spi2_miso_pa7 &spi2_mosi_pa6>;
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pinctrl-names = "default";
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status = "okay";
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/* Select 32MHz clock for SPI2 */
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clocks = <&rcc STM32_CLOCK(APB1, 12)>,
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<&rcc STM32_SRC_SYSCLK SPI2_I2S2_SEL(1)>;
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/* Set aside 16KB of storage at the end of 256KB flash */
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storage_partition: partition@3c000 {
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label = "storage";
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reg = <0x0003c000 DT_SIZE_K(16)>;
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};
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};
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};

‎boards/st/nucleo_wb07cc/nucleo_wb07cc.yaml

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identifier: nucleo_wb07cc
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name: ST Nucleo WB07CC
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type: mcu
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arch: arm
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toolchain:
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- zephyr
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- gnuarmemb
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- xtools
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ram: 64
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flash: 256
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supported:
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- adc
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- arduino_i2c
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- arduino_spi
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- dma
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- gpio
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- i2c
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- spi
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- bluetooth
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vendor: st

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