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boards: we: add Oceanus-I EV board
Add support for Oceanus-I EV board from WE. Signed-off-by: Wajdi ELMuhtadi <[email protected]>
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‎boards/we/oceanus1ev/Kconfig.defconfig‎

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# Copyright (c) 2025 Würth Elektronik eiSos GmbH & Co. KG
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# SPDX-License-Identifier: Apache-2.0
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if BOARD_WE_OCEANUS1EV
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if LORA
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config MAIN_STACK_SIZE
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default 2048
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endif # LORA
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endif # BOARD_WE_OCEANUS1EV

‎boards/we/oceanus1ev/Kconfig.we_oceanus1ev‎

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# Copyright (c) 2025 Würth Elektronik eiSos GmbH & Co. KG
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_WE_OCEANUS1EV
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select SOC_STM32WLE5XX

‎boards/we/oceanus1ev/board.cmake‎

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# SPDX-License-Identifier: Apache-2.0
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board_runner_args(jlink "--device=STM32WLE5CC" "--speed=4000" "--reset-after-load")
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)

‎boards/we/oceanus1ev/board.yml‎

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board:
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name: we_oceanus1ev
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full_name: Oceanus-I EV
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vendor: we
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revision:
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format: "major.minor.patch"
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default: "1.1.0"
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exact: true
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revisions:
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- name: "1.1.0"
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socs:
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- name: stm32wle5xx

‎boards/we/oceanus1ev/doc/img/we_oceanus1ev.webp‎

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‎boards/we/oceanus1ev/doc/index.rst‎

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.. zephyr:board:: we_oceanus1ev
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Overview
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********
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The we_oceanus1ev board is an evaluation board of the `Oceanus-I`_ radio module.
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It provides support for the `STM32WLE5CC`_ ARM CPU and
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the following devices:
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* CLOCK
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* FLASH
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* :abbr:`GPIO (General Purpose Input Output)`
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* :abbr:`I2C (Inter-Integrated Circuit)`
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* :abbr:`NVIC (Nested Vectored Interrupt Controller)`
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* RADIO (LoRa)
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* :abbr:`RTC (STM32 RTC System Clock)`
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* :abbr:`SPI (Serial Peripheral Interface)`
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* :abbr:`UART (Universal asynchronous receiver-transmitter)`
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* :abbr:`WDT (Watchdog Timer)`
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Hardware
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********
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The board has below hardware features:
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- `Oceanus-I`_, 256KB Flash, 64KB RAM with external antenna
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- 1 FTDI chip (USB to UART) converter
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- 1 I2C WE sensor EV-Boards connector
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- 1 SPI WE sensor EV-Boards connector
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- 2 application LEDs
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- 1 application, and 1 reset push-button
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Supported Features
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==================
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The ``we_oceanus1ev`` board supports the following
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hardware features:
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+-----------+------------+----------------------+
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| Interface | Controller | Driver/Component |
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+===========+============+======================+
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| CLOCK | on-chip | clock_control |
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+-----------+------------+----------------------+
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| FLASH | on-chip | flash |
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+-----------+------------+----------------------+
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| GPIO | on-chip | gpio |
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+-----------+------------+----------------------+
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| I2C(M) | on-chip | i2c |
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+-----------+------------+----------------------+
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| MPU | on-chip | arch/arm |
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+-----------+------------+----------------------+
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| NVIC | on-chip | arch/arm |
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+-----------+------------+----------------------+
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| RADIO | on-chip | LoRa |
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+-----------+------------+----------------------+
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| RTC | on-chip | system clock |
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+-----------+------------+----------------------+
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| SPI(M/S) | on-chip | spi |
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+-----------+------------+----------------------+
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| UART | on-chip | serial |
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+-----------+------------+----------------------+
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| WDT | on-chip | watchdog |
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+-----------+------------+----------------------+
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Programming and Debugging
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*************************
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Applications for the ``we_oceanus1ev`` board can be built the
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usual way (see :ref:`build_an_application`).
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The board debugged and flashed with an external debug probe connected
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to the SWD pins, current native support is for the JLink debug probe.
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Flashing
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========
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Connect the board to your host computer and build and flash an application.
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: we_oceanus1ev
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:goals: build flash
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Run a serial terminal to connect with your board. By default, ``lpuart1`` is
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accessible via the on-board FTDI USB to UART converter.
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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:`blinky` application.
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.. zephyr-app-commands::
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:zephyr-app: samples/basic/blinky
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:board: we_oceanus1ev
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:maybe-skip-config:
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:goals: debug
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References
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**********
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.. target-notes::
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.. _`Oceanus-I`: https://www.we-online.com/katalog/de/OCEANUS-I
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.. _`STM32WLE5CC`: https://www.st.com/en/microcontrollers-microprocessors/stm32wle5cc.html

‎boards/we/oceanus1ev/we_oceanus1ev.dts‎

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/*
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* Copyright (c) 2025 Würth Elektronik eiSos GmbH & Co. KG
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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 <we/oceanus1.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "Oceanus-I EV";
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compatible = "we,oceanus1ev";
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chosen {
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zephyr,console = &lpuart1;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,code-partition = &slot0_partition;
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};
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leds {
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compatible = "gpio-leds";
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yellow_led: led_1 {
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gpios = <&gpioa 7 GPIO_ACTIVE_HIGH>;
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label = "LED_1";
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};
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blue_led: led_2 {
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gpios = <&gpioa 4 GPIO_ACTIVE_HIGH>;
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label = "LED_2";
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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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wake_up_button: button_0 {
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label = "/WAKE_UP";
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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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};
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aliases {
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led0 = &yellow_led;
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led1 = &blue_led;
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sw0 = &wake_up_button;
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lora0 = &lora;
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watchdog0 = &iwdg;
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};
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};
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stm32_lp_tick_source: &lptim1 {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x80000000>,
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<&rcc STM32_SRC_LSE LPTIM1_SEL(3)>;
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status = "okay";
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};
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&clk_lsi {
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status = "okay";
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};
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&pll {
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div-m = <1>;
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mul-n = <6>;
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div-r = <2>;
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div-q = <2>;
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clocks = <&clk_hsi>;
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status = "okay";
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};
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&iwdg {
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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(48)>;
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cpu1-prescaler = <1>;
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ahb3-prescaler = <1>;
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apb1-prescaler = <1>;
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apb2-prescaler = <1>;
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};
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&lpuart1 {
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pinctrl-0 = <&lpuart1_tx_pa2 &lpuart1_rx_pa3>;
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pinctrl-names = "default";
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current-speed = <9600>;
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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_pa10>;
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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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&i2c1 {
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pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb7>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi1 {
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pinctrl-0 = <&spi1_sck_pb3 &spi1_miso_pb4 &spi1_mosi_pb5>;
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pinctrl-names = "default";
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cs-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000400>,
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<&rcc STM32_SRC_LSE RTC_SEL(2)>;
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status = "okay";
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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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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 DT_SIZE_K(32)>;
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read-only;
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};
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slot0_partition: partition@8000 {
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label = "image-0";
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reg = <0x00008000 DT_SIZE_K(108)>;
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};
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slot1_partition: partition@23000 {
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label = "image-1";
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reg = <0x00023000 DT_SIZE_K(108)>;
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};
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storage_partition: partition@3e000 {
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label = "storage";
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reg = <0x0003e000 DT_SIZE_K(8)>;
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};
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};
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};

‎boards/we/oceanus1ev/we_oceanus1ev_1_1_0.yaml‎

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# Copyright (c) 2025 Würth Elektronik eiSos GmbH & Co. KG
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# SPDX-License-Identifier: Apache-2.0
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identifier: [email protected]
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name: Oceanus-I EV (rev 1.1)
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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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ram: 64
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flash: 256
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supported:
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- counter
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- gpio
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- i2c
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- nvs
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- spi
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- uart
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- watchdog
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- lora
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vendor: we

‎boards/we/oceanus1ev/we_oceanus1ev_defconfig‎

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# Enable UART driver
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CONFIG_SERIAL=y
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# Enable GPIO
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CONFIG_GPIO=y
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# Console
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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# Enable MPU
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CONFIG_ARM_MPU=y
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# Enable HW stack protection
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CONFIG_HW_STACK_PROTECTION=y

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