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boards: arm: add nucleo_g070rb board
Added ST Nucleo G070RB board. Signed-off-by: Marin Jurjević <[email protected]>
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‎boards/arm/nucleo_g070rb/Kconfig.board

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# STM32 Nucleo-64 development board with STM32G070RB MCU configuration
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# Copyright (c) 2023 Marin Jurjević <[email protected]>
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_NUCLEO_G070RB
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bool "NUCLEO-64 G070RB Development Board"
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depends on SOC_STM32G070XX

‎boards/arm/nucleo_g070rb/Kconfig.defconfig

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# STM32 Nucleo-64 development board with STM32G070RB MCU
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# Copyright (c) 2023 Marin Jurjević <[email protected]>
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# SPDX-License-Identifier: Apache-2.0
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if BOARD_NUCLEO_G070RB
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config BOARD
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default "nucleo_g070rb"
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endif # BOARD_NUCLEO_G070RB

‎boards/arm/nucleo_g070rb/arduino_r3_connector.dtsi

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/*
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* Copyright (c) 2023 Marin Jurjević <[email protected]>
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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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gpio-map = <0 0 &gpioa 0 0>, /* A0 */
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<1 0 &gpioa 1 0>, /* A1 */
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<2 0 &gpioa 4 0>, /* A2 */
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<3 0 &gpiob 1 0>, /* A3 */
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<4 0 &gpiob 11 0>, /* A4 */
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<5 0 &gpiob 12 0>, /* A5 */
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<6 0 &gpioc 5 0>, /* D0 */
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<7 0 &gpioc 4 0>, /* D1 */
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<8 0 &gpioa 10 0>, /* D2 */
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<9 0 &gpiob 3 0>, /* D3 */
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<10 0 &gpiob 5 0>, /* D4 */
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<11 0 &gpiob 4 0>, /* D5 */
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<12 0 &gpiob 14 0>, /* D6 */
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<13 0 &gpioa 8 0>, /* D7 */
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<14 0 &gpioa 9 0>, /* D8 */
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<15 0 &gpioc 7 0>, /* D9 */
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<16 0 &gpiob 0 0>, /* D10 */
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<17 0 &gpioa 7 0>, /* D11 */
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<18 0 &gpioa 6 0>, /* D12 */
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<19 0 &gpioa 5 0>, /* D13 */
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<20 0 &gpiob 9 0>, /* D14 */
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<21 0 &gpiob 8 0>; /* D15 */
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};
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};
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arduino_i2c: &i2c1 {};
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arduino_spi: &spi1 {};
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arduino_serial: &usart1 {};

‎boards/arm/nucleo_g070rb/board.cmake

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# SPDX-License-Identifier: Apache-2.0
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board_runner_args(pyocd "--target=stm32g070rbtx")
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board_runner_args(pyocd "--flash-opt=-O reset_type=hw")
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board_runner_args(pyocd "--flash-opt=-O connect_mode=under-reset")
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board_runner_args(jlink "--device=STM32G070RB" "--speed=4000")
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board_runner_args(stm32cubeprogrammer "--port=swd" "--reset-mode=hw")
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include(${ZEPHYR_BASE}/boards/common/openocd.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/stm32cubeprogrammer.board.cmake)

‎boards/arm/nucleo_g070rb/doc/img/nucleo_g070rb.jpg

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‎boards/arm/nucleo_g070rb/doc/index.rst

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.. _nucleo_g070rb_board:
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ST Nucleo G070RB
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################
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Overview
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********
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The Nucleo G070RB board features an ARM Cortex-M0+ based STM32G070RB MCU
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with a wide range of connectivity support and configurations. Here are
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some highlights of the Nucleo G070RB board:
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- STM32 microcontroller in QFP64 package
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- Two types of extension resources:
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- Arduino Uno V3 connectivity
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- ST morpho extension pin headers for full access to all STM32 I/Os
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- On-board ST-LINK/V2-1 debugger/programmer with SWD connector
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- Flexible board power supply:
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- USB VBUS or external source(3.3V, 5V, 7 - 12V)
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- Power management access point
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- Three LEDs: USB communication (LD1), user LED (LD4), power LED (LD3)
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- Two push-buttons: USER and RESET
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.. image:: img/nucleo_g070rb.jpg
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:align: center
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:alt: Nucleo G070RB
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More information about the board can be found at the `Nucleo G070RB website`_.
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Hardware
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********
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Nucleo G070RB provides the following hardware components:
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- STM32 microcontroller in LQFP64 package
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- Two types of extension resources:
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- Arduino* Uno V3 connectivity
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- ST morpho extension pin headers for full access to all STM32 I/Os
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- ARM* mbed*
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- On-board ST-LINK/V2-1 debugger/programmer with SWD connector:
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- Selection-mode switch to use the kit as a standalone ST-LINK/V2-1
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- Flexible board power supply:
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- USB VBUS or external source (3.3V, 5V, 7 - 12V)
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- Power management access point
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- Three LEDs:
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- USB communication (LD1), user LED (LD4), power LED (LD3)
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- Two push-buttons: USER and RESET
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- USB re-enumeration capability. Three different interfaces supported on USB:
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- Virtual COM port
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- Mass storage
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- Debug port
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- Support of wide choice of Integrated Development Environments (IDEs) including:
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- IAR
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- ARM Keil
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- GCC-based IDEs
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More information about STM32G070RB can be found here:
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- `G070RB on www.st.com`_
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Supported Features
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==================
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The Zephyr nucleo_g070rb board configuration 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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| MPU | on-chip | arm memory protection unit |
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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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| I2C | on-chip | i2c |
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+-----------+------------+-------------------------------------+
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| SPI | on-chip | spi |
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+-----------+------------+-------------------------------------+
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| CLOCK | on-chip | reset and clock control |
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+-----------+------------+-------------------------------------+
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| FLASH | on-chip | flash memory |
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+-----------+------------+-------------------------------------+
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| COUNTER | on-chip | rtc |
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+-----------+------------+-------------------------------------+
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| WATCHDOG | on-chip | independent watchdog |
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+-----------+------------+-------------------------------------+
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| PWM | on-chip | pwm |
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+-----------+------------+-------------------------------------+
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| ADC | on-chip | adc |
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+-----------+------------+-------------------------------------+
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| die-temp | on-chip | die temperature sensor |
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+-----------+------------+-------------------------------------+
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Other hardware features are not yet supported in this Zephyr port.
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The default configuration can be found in the defconfig file:
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``boards/arm/nucleo_g070rb/nucleo_g070rb_defconfig``
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Connections and IOs
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===================
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Each of the GPIO pins can be configured by software as output (push-pull or open-drain), as
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input (with or without pull-up or pull-down), or as peripheral alternate function. Most of the
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GPIO pins are shared with digital or analog alternate functions. All GPIOs are high current
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capable except for analog inputs.
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Default Zephyr Peripheral Mapping:
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----------------------------------
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- UART_1 TX/RX : PC4/PC5
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- UART_2 TX/RX : PA2/PA3 (ST-Link Virtual Port Com)
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- I2C1 SCL/SDA : PB8/PB9 (Arduino I2C)
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- I2C2 SCL/SDA : PA11/PA12
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- SPI1 NSS/SCK/MISO/MOSI : PB0/PA5/PA6/PA7 (Arduino SPI)
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- SPI2 NSS/SCK/MISO/MOSI : PB12/PB13/PB14/PB15
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- USER_PB : PC13
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- LD4 : PA5
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- PWM : PA6
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- ADC1 IN0 : PA0
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- ADC1 IN1 : PA1
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- DAC1_OUT1 : PA4
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For mode details please refer to `STM32 Nucleo-64 board User Manual`_.
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Programming and Debugging
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*************************
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Applications for the ``nucleo_g070rb`` board configuration can be built and
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flashed in the usual way (see :ref:`build_an_application` and
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:ref:`application_run` for more details).
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Flashing
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========
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Nucleo G070RB board includes an ST-LINK/V2-1 embedded debug tool interface.
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Flashing an application to Nucleo G070RB
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----------------------------------------
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Here is an example for the :ref:`blinky-sample` application.
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.. zephyr-app-commands::
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:zephyr-app: samples/basic/blinky
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:board: nucleo_g070rb
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:goals: build flash
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You will see the LED blinking every second.
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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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:ref:`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_g070rb
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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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.. _Nucleo G070RB website:
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http://www.st.com/en/evaluation-tools/nucleo-g070rb.html
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.. _STM32 Nucleo-64 board User Manual:
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http://www.st.com/resource/en/user_manual/dm00452640.pdf
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.. _G070RB on www.st.com:
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http://www.st.com/en/microcontrollers/stm32g070rb.html

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