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boards: weact: add weact stm32u585ci core board
Low cost STM32U585CI development board in blackpill package. Added board to dac test. Signed-off-by: Michal Piekos <[email protected]>
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‎boards/weact/blackpill_u585ci/Kconfig.blackpill_u585ci

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# Copyright (c) 2025 Michal Piekos
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_BLACKPILL_U585CI
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select SOC_STM32U585XX

‎boards/weact/blackpill_u585ci/blackpill_u585ci.dts

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/*
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* Copyright (c) 2025 Michal Piekos
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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/u5/stm32u585Xi.dtsi>
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#include <st/u5/stm32u585ciux-pinctrl.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "WeAct Studio Black Pill STM32U585 Core Board";
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compatible = "weact,blackpill-u585ci";
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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,canbus = &fdcan1;
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};
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aliases {
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led0 = &led_0;
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sw0 = &button_0;
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watchdog0 = &iwdg;
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volt-sensor0 = &vref1;
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volt-sensor1 = &vbat4;
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die-temp0 = &die_temp;
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};
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leds {
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compatible = "gpio-leds";
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led_0: led0 {
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gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
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label = "User LED";
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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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button_0: button0 {
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label = "User Button";
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gpios = <&gpioa 0 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
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zephyr,code = <INPUT_KEY_0>;
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};
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};
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zephyr,user {
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io-channels = <&adc1 5>, <&adc4 18>;
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};
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};
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&clk_hsi48 {
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status = "okay";
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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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clock-frequency = <DT_FREQ_M(25)>;
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status = "okay";
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};
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&clk_msis {
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status = "okay";
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msi-range = <4>;
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msi-pll-mode;
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};
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&pll1 {
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div-m = <5>;
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mul-n = <32>;
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div-q = <2>;
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div-r = <1>;
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clocks = <&clk_hse>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll1>;
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clock-frequency = <DT_FREQ_M(160)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <1>;
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apb2-prescaler = <1>;
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apb3-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 = <115200>;
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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_pb6 &i2c1_sda_pb3>;
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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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&i2c2 {
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pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb14>;
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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_nss_pa4 &spi1_sck_pa1
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&spi1_miso_pa6 &spi1_mosi_pa7>;
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pinctrl-names = "default";
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status = "okay";
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};
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&fdcan1 {
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clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000200>,
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<&rcc STM32_SRC_PLL1_Q FDCAN1_SEL(1)>;
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pinctrl-0 = <&fdcan1_rx_pb8 &fdcan1_tx_pb9>;
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pinctrl-names = "default";
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status = "okay";
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};
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&adc1 {
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pinctrl-0 = <&adc1_in5_pa0>;
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pinctrl-names = "default";
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st,adc-clock-source = "ASYNC";
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st,adc-prescaler = <4>;
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status = "okay";
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};
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&adc4 {
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pinctrl-0 = <&adc4_in18_pb0>;
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pinctrl-names = "default";
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st,adc-clock-source = "ASYNC";
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st,adc-prescaler = <4>;
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status = "okay";
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};
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&dac1 {
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/* CAUTION: DAC on PA4 may conflict with SPI1 NSS on same pin */
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pinctrl-0 = <&dac1_out1_pa4>;
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pinctrl-names = "default";
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status = "okay";
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};
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&timers3 {
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st,prescaler = <10000>;
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status = "okay";
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pwm3: pwm {
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pinctrl-0 = <&tim3_ch1_pb4>;
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pinctrl-names = "default";
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status = "okay";
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};
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};
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&timers4 {
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st,prescaler = <10000>;
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status = "okay";
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pwm4: pwm {
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pinctrl-0 = <&tim4_ch2_pb7>;
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pinctrl-names = "default";
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status = "okay";
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};
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};
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zephyr_udc0: &usbotg_fs {
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pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
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pinctrl-names = "default";
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status = "okay";
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cdc_acm_uart0: cdc_acm_uart0 {
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compatible = "zephyr,cdc-acm-uart";
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};
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};
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&iwdg {
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status = "okay";
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};
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&rng {
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status = "okay";
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};
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&gpdma1 {
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status = "okay";
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};
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&die_temp {
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status = "okay";
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00200000>,
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<&rcc STM32_SRC_LSE RTC_SEL(1)>;
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status = "okay";
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};
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&vref1 {
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status = "okay";
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};
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&vbat4 {
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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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stm32_lp_tick_source: &lptim1 {
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clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000800>,
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<&rcc STM32_SRC_LSI LPTIM1_SEL(1)>;
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status = "okay";
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};
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&backup_sram {
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status = "okay";
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};

‎boards/weact/blackpill_u585ci/blackpill_u585ci.yaml

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identifier: blackpill_u585ci
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name: WeAct Studio Black Pill STM32U585 Core Board
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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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supported:
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- can
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- adc
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- dac
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- gpio
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- i2c
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- spi
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- usart
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- watchdog
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- dma
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- rtc
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ram: 784
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flash: 2048
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vendor: weact

‎boards/weact/blackpill_u585ci/blackpill_u585ci_defconfig

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# SPDX-License-Identifier: Apache-2.0
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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

‎boards/weact/blackpill_u585ci/board.cmake

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# keep first
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board_runner_args(dfu-util "--pid=0483:df11" "--alt=0" "--dfuse")
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board_runner_args(blackmagicprobe "--gdb-serial=/dev/ttyACM0")
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# keep first
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include(${ZEPHYR_BASE}/boards/common/dfu-util.board.cmake)
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include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake)

‎boards/weact/blackpill_u585ci/board.yml

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board:
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name: blackpill_u585ci
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full_name: WeAct Studio Black Pill STM32U585 Core Board
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vendor: weact
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socs:
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- name: stm32u585xx

‎boards/weact/blackpill_u585ci/doc/img/blackpill_u585ci.webp

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