stm32/boards: Add WeAct STM32U585 board support.

This change adds WeAct STM32U585 board support to the STM32 port. WeAct STM32U585: https://github.com/WeActStudio/WeActStudio.STM32U585Cx_CoreBoard This board use STM32U585CI: https://www.st.com/ja/microcontrollers-microprocessors/stm32u585ci.html Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2026-03-10 19:00:30 +01:00 · 2026-02-01 17:23:38 +09:00
parent 746e2c985a
commit fd009e6c4f
6 changed files with 209 additions and 0 deletions
--- a/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/board.json
+++ b/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/board.json
@@ -0,0 +1,15 @@
+{
+    "deploy": [
+        "../PYBV10/deploy.md"
+    ],
+    "docs": "",
+    "features": [],
+    "images": [
+        "weact_u585ci.jpg"
+    ],
+    "mcu": "stm32u5",
+    "product": "Mini STM32U585",
+    "thumbnail": "",
+    "url": "https://github.com/WeActStudio/WeActStudio.STM32U585Cx_CoreBoard",
+    "vendor": "WeAct Studio"
+}
--- a/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/mpconfigboard.h
+++ b/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/mpconfigboard.h
@@ -0,0 +1,76 @@
+#define MICROPY_HW_BOARD_NAME               "WEACTSTUDIO_MINI_STM32U585"
+#define MICROPY_HW_MCU_NAME                 "STM32U585CI"
+
+#define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (1)
+#define MICROPY_HW_ENABLE_ADC               (1)
+#define MICROPY_HW_ENABLE_DAC               (1)
+#define MICROPY_HW_ENABLE_USB               (1)
+#define MICROPY_HW_ENABLE_RNG               (0)
+#define MICROPY_HW_ENABLE_RTC               (1)
+#define MICROPY_HW_HAS_FLASH                (1)
+#define MICROPY_HW_HAS_SWITCH               (1)
+
+// The board has a 25MHz oscillator, the following gives 150MHz CPU speed
+#define MICROPY_HW_CLK_PLLM                 (4)
+#define MICROPY_HW_CLK_PLLN                 (48)
+#define MICROPY_HW_CLK_PLLP                 (2)
+#define MICROPY_HW_CLK_PLLQ                 (2)
+#define MICROPY_HW_CLK_PLLR                 (2)
+#define MICROPY_HW_CLK_PLLVCI               (RCC_PLLVCIRANGE_0)
+#define MICROPY_HW_CLK_PLLFRAC              (0)
+
+// 5 wait states, according to Table 37, Reference Manual (RM0481 Rev 1)
+#define MICROPY_HW_FLASH_LATENCY            FLASH_LATENCY_4
+
+// There is an external 32kHz oscillator
+#define MICROPY_HW_RTC_USE_LSE              (1)
+#define MICROPY_HW_RCC_RTC_CLKSOURCE        (RCC_RTCCLKSOURCE_LSE)
+
+// HSI48
+#define MICROPY_HW_RCC_HSI48_STATE          (RCC_HSI48_ON)
+
+// UART config
+#define MICROPY_HW_UART1_TX                 (pin_A9)
+#define MICROPY_HW_UART1_RX                 (pin_A10)
+#define MICROPY_HW_UART2_TX                 (pin_A2)
+#define MICROPY_HW_UART2_RX                 (pin_A3)
+#define MICROPY_HW_UART2_RTS                (pin_A1)
+#define MICROPY_HW_UART2_CTS                (pin_A0)
+
+// Connect REPL to UART1 which is provided on ST-Link USB interface
+#define MICROPY_HW_UART_REPL                PYB_UART_1
+#define MICROPY_HW_UART_REPL_BAUD           115200
+
+// I2C buses
+#define MICROPY_HW_I2C1_SCL                 (pin_B6)
+#define MICROPY_HW_I2C1_SDA                 (pin_B7)
+#define MICROPY_HW_I2C2_SCL                 (pin_B10)
+#define MICROPY_HW_I2C2_SDA                 (pin_B14)
+
+// SPI buses
+#define MICROPY_HW_SPI1_NSS                 (pin_A4)
+#define MICROPY_HW_SPI1_SCK                 (pin_A5)
+#define MICROPY_HW_SPI1_MISO                (pin_A6)
+#define MICROPY_HW_SPI1_MOSI                (pin_A7)
+#define MICROPY_HW_SPI2_NSS                 (pin_B12)
+#define MICROPY_HW_SPI2_SCK                 (pin_B10)
+#define MICROPY_HW_SPI2_MISO                (pin_B14)
+#define MICROPY_HW_SPI2_MOSI                (pin_B15)
+#define MICROPY_HW_SPI3_NSS                 (pin_A15)
+#define MICROPY_HW_SPI3_SCK                 (pin_B3)
+#define MICROPY_HW_SPI3_MISO                (pin_B4)
+#define MICROPY_HW_SPI3_MOSI                (pin_B5)
+
+// USRSW is pulled low. Pressing the button makes the input go high.
+#define MICROPY_HW_USRSW_PIN                (pin_A0)
+#define MICROPY_HW_USRSW_PULL               (GPIO_PULLUP)
+#define MICROPY_HW_USRSW_EXTI_MODE          (GPIO_MODE_IT_FALLING)
+#define MICROPY_HW_USRSW_PRESSED            (0)
+
+// LEDs
+#define MICROPY_HW_LED1                     (pin_C13) // Blue
+#define MICROPY_HW_LED_ON(pin)              (mp_hal_pin_low(pin))
+#define MICROPY_HW_LED_OFF(pin)             (mp_hal_pin_high(pin))
+
+// USB Configuration
+#define MICROPY_HW_USB_FS                   (MICROPY_HW_ENABLE_USB)
--- a/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/mpconfigboard.mk
+++ b/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/mpconfigboard.mk
@@ -0,0 +1,21 @@
+USE_MBOOT ?= 0
+
+# MCU settings
+MCU_SERIES = u5
+CMSIS_MCU = STM32U585xx
+MICROPY_FLOAT_IMPL = single
+AF_FILE = boards/stm32u5a5_af.csv
+
+ifeq ($(USE_MBOOT),1)
+# When using Mboot everything goes after the bootloader
+# TODO: not tested
+LD_FILES = boards/stm32h573xi.ld boards/common_bl.ld
+TEXT0_ADDR = 0x08008000
+else
+# When not using Mboot everything goes at the start of flash
+LD_FILES = boards/stm32u585xi.ld boards/common_basic.ld
+TEXT0_ADDR = 0x08000000
+endif
+
+# MicroPython settings
+#MICROPY_HW_ENABLE_ISR_UART_FLASH_FUNCS_IN_RAM = 1
--- a/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/pins.csv
+++ b/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/pins.csv
@@ -0,0 +1,43 @@
+A0,PA0
+A1,PA1
+A2,PA2
+A3,PA3
+A4,PA4
+A5,PA5
+A6,PA6
+A7,PA7
+A8,PA8
+A9,PA9
+A10,PA10
+A11,PA11
+A12,PA12
+A13,PA13
+A14,PA14
+A15,PA15
+B0,PB0
+B1,PB1
+B2,PB2
+B3,PB3
+B4,PB4
+B5,PB5
+B6,PB6
+B7,PB7
+B8,PB8
+B9,PB9
+B10,PB10
+B11,PB11
+B12,PB12
+B13,PB13
+B14,PB14
+B15,PB15
+C13,PC13
+C14,PC14
+C15,PC15
+LED_BLUE,PC13
+SW,PA0
+-SWDIO,PA13
+-SWCLK,PA14
+-OSC32_IN,PH0
+-OSC32_OUT,PH1
+-USB_DM,PA11
+-USB_DP,PA12
--- a/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/stm32u5xx_hal_conf.h
+++ b/ports/stm32/boards/WEACTSTUDIO_MINI_STM32U585/stm32u5xx_hal_conf.h
@@ -0,0 +1,19 @@
+/* This file is part of the MicroPython project, http://micropython.org/
+ * The MIT License (MIT)
+ * Copyright (c) 2023 Damien P. George
+ */
+#ifndef MICROPY_INCLUDED_STM32U5XX_HAL_CONF_H
+#define MICROPY_INCLUDED_STM32U5XX_HAL_CONF_H
+
+// Oscillator values in Hz
+#define HSE_VALUE (25000000)
+#define LSE_VALUE (32768)
+#define EXTERNAL_CLOCK_VALUE (12288000)
+
+// Oscillator timeouts in ms
+#define HSE_STARTUP_TIMEOUT (100)
+#define LSE_STARTUP_TIMEOUT (5000)
+
+#include "boards/stm32u5xx_hal_conf_base.h"
+
+#endif // MICROPY_INCLUDED_STM32U5XX_HAL_CONF_H
--- a/ports/stm32/boards/stm32u585xi.ld
+++ b/ports/stm32/boards/stm32u585xi.ld
@@ -0,0 +1,35 @@
+/*
+    GNU linker script for STM32U585xI
+*/
+
+/* Specify the memory areas */
+MEMORY
+{
+    FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 2048K
+    FLASH_APP (rx)  : ORIGIN = 0x08008000, LENGTH = 992K    /* sectors 4-127 (for common_bl.ld) */
+    FLASH_FS (rx)   : ORIGIN = 0x08100000, LENGTH = 1024K   /* sectors 128-255 */
+    RAM   (xrw)     : ORIGIN = 0x20000000, LENGTH = 768K    /* SRAM1: 768KB */
+    SRAM4 (xrw)     : ORIGIN = 0x28000000, LENGTH = 16K
+    FS_CACHE (xrw)  : ORIGIN = 0x28000000, LENGTH = 8K
+}
+
+/* produce a link error if there is not this amount of RAM for these sections */
+_minimum_stack_size = 2K;
+_minimum_heap_size = 16K;
+
+/* Define the stack.  The stack is full descending so begins just above last byte
+   of RAM.  Note that EABI requires the stack to be 8-byte aligned for a call. */
+_estack = ORIGIN(RAM) + LENGTH(RAM) - _estack_reserve;
+_sstack = _estack - 16K; /* tunable */
+
+/* RAM extents for the garbage collector */
+_ram_start = ORIGIN(RAM);
+_ram_end = ORIGIN(RAM) + LENGTH(RAM);
+_heap_start = _ebss; /* heap starts just after statically allocated memory */
+_heap_end = _sstack;
+
+/* Filesystem cache in RAM, and storage in flash */
+_micropy_hw_internal_flash_storage_ram_cache_start = ORIGIN(FS_CACHE);
+_micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(FS_CACHE) + LENGTH(FS_CACHE);
+_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
+_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);