boards: stm32g0316-disco: add support for the ST STM32G0316-DISCO board
Add support for the ST STM32G0316-DISCO development board. This board features an ST STM32G031J6 MCU on a breakable SO8 to DIL8 module, a user LED and a button. Signed-off-by: Filip Brozovic <fbrozovic@gmail.com>
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7
boards/arm/stm32g0316_disco/CMakeLists.txt
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boards/arm/stm32g0316_disco/CMakeLists.txt
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# SPDX-License-Identifier: Apache-2.0
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if(CONFIG_PINMUX)
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zephyr_library()
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zephyr_library_sources(pinmux.c)
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zephyr_library_include_directories(${ZEPHYR_BASE}/drivers)
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endif()
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boards/arm/stm32g0316_disco/Kconfig.board
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boards/arm/stm32g0316_disco/Kconfig.board
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# STM32G0316 Discovery board configuration
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# Copyright (c) 2019 SEAL AG
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_STM32G0316_DISCO
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bool "STM32G0316 Discovery Development Board"
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depends on SOC_STM32G031XX
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boards/arm/stm32g0316_disco/Kconfig.defconfig
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boards/arm/stm32g0316_disco/Kconfig.defconfig
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# STM32G0316 Discovery board configuration
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# Copyright (c) 2019 SEAL AG
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# SPDX-License-Identifier: Apache-2.0
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if BOARD_STM32G0316_DISCO
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config BOARD
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default "stm32g0316_disco"
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if UART_CONSOLE
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config UART_1
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default y
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endif # UART_CONSOLE
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endif # BOARD_STM32G0316_DISCO
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4
boards/arm/stm32g0316_disco/board.cmake
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boards/arm/stm32g0316_disco/board.cmake
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# SPDX-License-Identifier: Apache-2.0
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board_runner_args(pyocd "--target=stm32g031j6mx")
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include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
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BIN
boards/arm/stm32g0316_disco/doc/img/stm32g0316-disco.jpg
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BIN
boards/arm/stm32g0316_disco/doc/img/stm32g0316-disco.jpg
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Binary file not shown.
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132
boards/arm/stm32g0316_disco/doc/index.rst
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boards/arm/stm32g0316_disco/doc/index.rst
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.. _stm32g0316_disco_board:
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STM32G0316-DISCO
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################
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Overview
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********
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The STM32G0316-DISCO Discovery kit helps to discover features of STM32G0 in SO8 package.
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This discovery kit offers an SO8 to DIL8 module designed with the STM32G031J6 microcontroller
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and allows the user to develop applications. It includes an on-board ST-LINK/V2-1 to debug
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and program the embedded STM32 microcontroller.
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.. image:: img/stm32g0316-disco.jpg
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:width: 670px
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:align: center
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:alt: STM32G0316-DISCO
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Hardware
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********
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- STM32G031J6 Arm |reg| Cortex |reg|-M0+ core-based microcontroller,
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featuring 32 Kbytes of Flash memory and 8 Kbytes of SRAM, in an SO8 package
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- 1 user LED
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- 1 reset/user push-button
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- Individual and breakable STM32 SO8 to DIL8 module
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- ST-LINK Micro-B USB connector
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- DIL8 socket to ease programming of the STM32 MCU
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- On-board ST-LINK/V2-1 debugger/programmer
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For more information about the STM32G03x SoC and the STM32G0316-DISCO board, see these ST reference documents:
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- `STM32G031J6 website`_
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- `STM32G031 datasheet`_
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- `STM32G0x1 reference manual`_
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- `STM32G0316-DISCO website`_
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Supported Features
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==================
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The Zephyr stm32g0316_disco 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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| 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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| CLOCK | on-chip | reset and clock control |
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+-----------+------------+-------------------------------------+
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Other hardware features are not currently supported by the port.
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The default configuration can be found in the defconfig file:
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``boards/arm/stm32g0316_disco/stm32g0316_disco_defconfig``
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Connections and IOs
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===================
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Due to the small number of I/O pins on the SO8 package, multiple die I/Os are bonded
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to the same package pins to maximize the number of peripherals which can be used.
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Care must be taken not to set two I/Os which are connected together to conflicting
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states (e.g. both as outputs, one low, the other high).
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Default Zephyr Peripheral Mapping:
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----------------------------------
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.. rst-class:: rst-columns
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- UART_1 TX/RX : PA9/PB7 (pins 5/1)
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- USER_PB : PA0 (pin 4)
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- LD2 : PA12 (pin 6)
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Programming and Debugging
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*************************
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Applications for the ``stm32g0316_disco`` board configuration can be built the
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usual way (see :ref:`build_an_application` and :ref:`application_run` for more details).
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Flashing
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========
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The STM32G0316-DISCO board includes an ST-LINK/V2-1 embedded debug tool
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interface. This interface is not yet supported by the openocd version included in
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the Zephyr SDK. Instead, support can be enabled on pyocd by adding "pack" support with
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the following pyocd command:
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.. code-block:: console
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$ pyocd pack --install stm32g031j6
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Flashing an application to the STM32G0316-DISCO
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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: stm32g0316_disco
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:goals: build flash
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You should 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: stm32g0316_disco
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:maybe-skip-config:
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:goals: debug
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.. _STM32G031J6 website:
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https://www.st.com/en/microcontrollers-microprocessors/stm32g031j6.html
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.. _STM32G031 datasheet:
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https://www.st.com/resource/en/datasheet/stm32g031j6.pdf
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.. _STM32G0x1 reference manual:
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https://www.st.com/resource/en/reference_manual/dm00371828.pdf
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.. _STM32G0316-DISCO website:
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https://www.st.com/en/evaluation-tools/stm32g0316-disco.html
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36
boards/arm/stm32g0316_disco/pinmux.c
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boards/arm/stm32g0316_disco/pinmux.c
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/*
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* Copyright (c) 2019 SEAL AG
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <init.h>
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#include <soc.h>
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#include <pinmux/stm32/pinmux_stm32.h>
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/* pin assignments for STM32G0316-DISCO board */
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static const struct pin_config pinconf[] = {
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#ifdef CONFIG_UART_1
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{STM32_PIN_PA9, STM32G0_PINMUX_FUNC_PA9_USART1_TX},
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{STM32_PIN_PB7, STM32G0_PINMUX_FUNC_PB7_USART1_RX},
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#endif /* CONFIG_UART_1 */
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};
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static int pinmux_stm32_init(struct device *port)
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{
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ARG_UNUSED(port);
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#ifdef CONFIG_UART_1
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/* Remap PA11 to PA9 */
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
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LL_SYSCFG_EnablePinRemap(LL_SYSCFG_PIN_RMP_PA11);
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#endif /* CONFIG_UART_1 */
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stm32_setup_pins(pinconf, ARRAY_SIZE(pinconf));
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return 0;
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}
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SYS_INIT(pinmux_stm32_init, PRE_KERNEL_1,
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CONFIG_PINMUX_STM32_DEVICE_INITIALIZATION_PRIORITY);
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46
boards/arm/stm32g0316_disco/stm32g0316_disco.dts
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boards/arm/stm32g0316_disco/stm32g0316_disco.dts
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/*
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* Copyright (c) 2019 SEAL AG
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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/g0/stm32g031X6.dtsi>
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/ {
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model = "STMicroelectronics STM32G0316 Discovery board";
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compatible = "st,stm32g0316-disco", "st,stm32g031";
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aliases {
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led0 = &green_led_1;
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sw0 = &user_button;
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};
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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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};
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leds {
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compatible = "gpio-leds";
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green_led_1: led_2 {
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gpios = <&gpioa 12 GPIO_INT_ACTIVE_LOW>;
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label = "User LD2";
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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: button {
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label = "User";
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gpios = <&gpioa 0 GPIO_INT_ACTIVE_LOW>;
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};
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};
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};
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&usart1 {
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current-speed = <115200>;
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status = "okay";
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};
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13
boards/arm/stm32g0316_disco/stm32g0316_disco.yaml
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boards/arm/stm32g0316_disco/stm32g0316_disco.yaml
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identifier: stm32g0316_disco
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name: STM32G0316-DISCO
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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: 8
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flash: 32
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supported:
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- gpio
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- uart
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42
boards/arm/stm32g0316_disco/stm32g0316_disco_defconfig
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boards/arm/stm32g0316_disco/stm32g0316_disco_defconfig
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# Zephyr Kernel Configuration
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CONFIG_ARM=y
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CONFIG_SOC_SERIES_STM32G0X=y
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CONFIG_SOC_STM32G031XX=y
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CONFIG_CORTEX_M_SYSTICK=y
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CONFIG_BOARD_STM32G0316_DISCO=y
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# 64MHz system clock
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=64000000
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# Kernel Options due to Low Memory (8k)
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CONFIG_MAIN_STACK_SIZE=640
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CONFIG_IDLE_STACK_SIZE=200
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CONFIG_ISR_STACK_SIZE=512
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# Serial Drivers
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CONFIG_SERIAL=y
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CONFIG_UART_INTERRUPT_DRIVEN=y
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# enable console
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y
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# Pinmux Driver
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CONFIG_PINMUX=y
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# GPIO Controller
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CONFIG_GPIO=y
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# Clock configuration
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CONFIG_CLOCK_CONTROL=y
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# SYSCLK selection
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CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
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# PLL configuration
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CONFIG_CLOCK_STM32_PLL_SRC_HSI=y
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# produce 64MHz clock at PLL output
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CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
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CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=8
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CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2
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CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
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CONFIG_CLOCK_STM32_PLL_R_DIVISOR=2
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CONFIG_CLOCK_STM32_AHB_PRESCALER=1
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CONFIG_CLOCK_STM32_APB1_PRESCALER=1
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@ -16,6 +16,8 @@
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#define STM32G0_PINMUX_FUNC_PA3_USART2_RX \
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(STM32_PINMUX_ALT_FUNC_1 | STM32_PUPDR_NO_PULL)
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#define STM32G0_PINMUX_FUNC_PA9_USART1_TX \
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(STM32_PINMUX_ALT_FUNC_1 | STM32_PUSHPULL_NOPULL)
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#define STM32G0_PINMUX_FUNC_PB6_USART1_TX \
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(STM32_PINMUX_ALT_FUNC_0 | STM32_PUSHPULL_NOPULL)
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#define STM32G0_PINMUX_FUNC_PB7_USART1_RX \
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