micropython · yn386 · Jul 25, 2025
diff --git a/ports/stm32/boards/WeAct_H743VI/bdev.c b/ports/stm32/boards/WeAct_H743VI/bdev.c
@@ -0,0 +1,33 @@
+#include "storage.h"
+#include "spi.h"
+#include "py/mpconfig.h"
+
+#if !MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
+
+static const spi_proto_cfg_t spi_bus = {
+    .spi = &spi_obj[0], // SPI1
+    .baudrate = 25000000,
+    .polarity = 0,
+    .phase = 0,
+    .bits = 8,
+    .firstbit = SPI_FIRSTBIT_MSB,
+};
+
+#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
+static mp_spiflash_cache_t spi_bdev_cache;
+#endif
+
+const mp_spiflash_config_t spiflash_config = {
+    .bus_kind = MP_SPIFLASH_BUS_SPI,
+    .bus.u_spi.cs = MICROPY_HW_SPIFLASH_CS,
+
+    .bus.u_spi.data = (void *)&spi_bus,
+    .bus.u_spi.proto = &spi_proto,
+    #if MICROPY_HW_SPIFLASH_ENABLE_CACHE
+    .cache = &spi_bdev_cache,
+    #endif
+};
+
+spi_bdev_t spi_bdev;
+
+#endif
diff --git a/ports/stm32/boards/WeAct_H743VI/board.json b/ports/stm32/boards/WeAct_H743VI/board.json
@@ -0,0 +1,15 @@
+{
+    "deploy": [
+        "../deploy.md"
+    ],
+    "docs": "",
+    "features": [],
+    "images": [
+        "weact_h743vi.jpg"
+    ],
+    "mcu": "stm32h7",
+    "product": "WeAct STM32H743 Core Board",
+    "thumbnail": "",
+    "url": "",
+    "vendor": "WeAct Studio"
+}
diff --git a/ports/stm32/boards/WeAct_H743VI/board_init.c b/ports/stm32/boards/WeAct_H743VI/board_init.c
@@ -0,0 +1,7 @@
+#include "py/mphal.h"
+
+void WeAct_Core_early_init(void) {
+    // Turn off the USB switch.
+    mp_hal_pin_output(pyb_pin_OTG_FS_POWER);
+    mp_hal_pin_low(pyb_pin_OTG_FS_POWER);
+}
diff --git a/ports/stm32/boards/WeAct_H743VI/manifest.py b/ports/stm32/boards/WeAct_H743VI/manifest.py
@@ -0,0 +1 @@
+include("$(PORT_DIR)/boards/manifest.py")
diff --git a/ports/stm32/boards/WeAct_H743VI/mpconfigboard.h b/ports/stm32/boards/WeAct_H743VI/mpconfigboard.h
@@ -0,0 +1,141 @@
+#define MICROPY_HW_BOARD_NAME               "WeAct Studio Core"
+#define MICROPY_HW_MCU_NAME                 "STM32H743VI"
+
+#define MICROPY_HW_ENABLE_RTC               (1)
+#define MICROPY_HW_ENABLE_SERVO             (1)
+#define MICROPY_HW_ENABLE_RNG               (0) // RNG needs proper configuration
+#define MICROPY_HW_ENABLE_ADC               (1)
+#define MICROPY_HW_ENABLE_DAC               (1)
+#define MICROPY_HW_ENABLE_USB               (1)
+#define MICROPY_HW_ENABLE_SDCARD            (1)
+#define MICROPY_HW_HAS_SWITCH               (1)
+#define MICROPY_HW_HAS_FLASH                (1)
+
+#define MICROPY_BOARD_EARLY_INIT            WeAct_Core_early_init
+
+// This board has 25MHz HSE.
+// The following gives a 480MHz CPU speed.
+#define MICROPY_HW_CLK_USE_HSE              (1)
+#define MICROPY_HW_CLK_PLLM                 (5)
+#define MICROPY_HW_CLK_PLLN                 (192)
+#define MICROPY_HW_CLK_PLLP                 (2)
+#define MICROPY_HW_CLK_PLLQ                 (20)
+#define MICROPY_HW_CLK_PLLR                 (2)
+#define MICROPY_HW_CLK_PLLVCI               (RCC_PLL1VCIRANGE_2)
+#define MICROPY_HW_CLK_PLLVCO               (RCC_PLL1VCOWIDE)
+#define MICROPY_HW_CLK_PLLFRAC              (0)
+
+// The USB clock is set using PLL3
+#define MICROPY_HW_CLK_PLL3M                (5)
+#define MICROPY_HW_CLK_PLL3N                (192)
+#define MICROPY_HW_CLK_PLL3P                (2)
+#define MICROPY_HW_CLK_PLL3Q                (20)
+#define MICROPY_HW_CLK_PLL3R                (2)
+#define MICROPY_HW_CLK_PLL3VCI              (RCC_PLL3VCIRANGE_2)
+#define MICROPY_HW_CLK_PLL3VCO              (RCC_PLL3VCOWIDE)
+#define MICROPY_HW_CLK_PLL3FRAC             (0)
+
+// 3 wait states
+#define MICROPY_HW_FLASH_LATENCY            FLASH_LATENCY_6
+
+// The board has an external 32kHz crystal attached
+#define MICROPY_HW_RTC_USE_LSE              (1)
+
+// UART config
+#define MICROPY_HW_UART1_TX                 (pin_B14)
+#define MICROPY_HW_UART1_RX                 (pin_B15)
+#define MICROPY_HW_UART2_TX                 (pin_D5)
+#define MICROPY_HW_UART2_RX                 (pin_D6)
+#define MICROPY_HW_UART2_RTS                (pin_D4)
+#define MICROPY_HW_UART2_CTS                (pin_D3)
+#define MICROPY_HW_UART3_TX                 (pin_D8)
+#define MICROPY_HW_UART3_RX                 (pin_D9)
+#define MICROPY_HW_UART5_TX                 (pin_B6)
+#define MICROPY_HW_UART5_RX                 (pin_B12)
+#define MICROPY_HW_UART6_TX                 (pin_C6)
+#define MICROPY_HW_UART6_RX                 (pin_C7)
+#define MICROPY_HW_UART7_TX                 (pin_F7)
+#define MICROPY_HW_UART7_RX                 (pin_F6)
+#define MICROPY_HW_UART8_TX                 (pin_E1)
+#define MICROPY_HW_UART8_RX                 (pin_E0)
+
+#define MICROPY_HW_UART_REPL                PYB_UART_3
+#define MICROPY_HW_UART_REPL_BAUD           115200
+
+// I2C buses
+#define MICROPY_HW_I2C1_SCL                 (pin_B8)
+#define MICROPY_HW_I2C1_SDA                 (pin_B9)
+#define MICROPY_HW_I2C2_SCL                 (pin_F1)
+#define MICROPY_HW_I2C2_SDA                 (pin_F0)
+#define MICROPY_HW_I2C4_SCL                 (pin_F14)
+#define MICROPY_HW_I2C4_SDA                 (pin_F15)
+
+// SPI buses
+#define MICROPY_HW_SPI2_NSS                 (pin_A11)
+#define MICROPY_HW_SPI2_SCK                 (pin_A9)
+#define MICROPY_HW_SPI2_MISO                (pin_B14)
+#define MICROPY_HW_SPI2_MOSI                (pin_C1)
+#define MICROPY_HW_SPI3_NSS                 (pin_A4)
+#define MICROPY_HW_SPI3_SCK                 (pin_B3)
+#define MICROPY_HW_SPI3_MISO                (pin_B4)
+#define MICROPY_HW_SPI3_MOSI                (pin_B5)
+#define MICROPY_HW_SPI4_NSS                 (pin_E11)
+#define MICROPY_HW_SPI4_SCK                 (pin_E12)
+#define MICROPY_HW_SPI4_MISO                (pin_E13)
+#define MICROPY_HW_SPI4_MOSI                (pin_E14)
+
+// USRSW is pulled low. Pressing the button makes the input go high.
+#define MICROPY_HW_USRSW_PIN                (pin_C13)
+#define MICROPY_HW_USRSW_PULL               (GPIO_PULLDOWN)
+#define MICROPY_HW_USRSW_EXTI_MODE          (GPIO_MODE_IT_RISING)
+#define MICROPY_HW_USRSW_PRESSED            (1)
+
+// LEDs
+#define MICROPY_HW_LED1                     (pin_E3)    // blue
+#define MICROPY_HW_LED_ON(pin)              (mp_hal_pin_high(pin))
+#define MICROPY_HW_LED_OFF(pin)             (mp_hal_pin_low(pin))
+
+// USB config
+#define MICROPY_HW_USB_FS                   (1)
+
+// FDCAN bus
+#define MICROPY_HW_CAN1_NAME                "FDCAN1"
+#define MICROPY_HW_CAN1_TX                  (pin_D1)
+#define MICROPY_HW_CAN1_RX                  (pin_D0)
+
+// SD card detect switch
+#define MICROPY_HW_SDCARD_DETECT_PIN        (pin_D4)
+#define MICROPY_HW_SDCARD_DETECT_PULL       (GPIO_PULLUP)
+#define MICROPY_HW_SDCARD_DETECT_PRESENT    (GPIO_PIN_SET)
+
+// SPI1 is not accessible because SPI flash module is used.
+#define MICROPY_HW_SPI1_NSS                 (pin_D6)
+#define MICROPY_HW_SPI1_SCK                 (pin_B3)
+#define MICROPY_HW_SPI1_MISO                (pin_B4)
+#define MICROPY_HW_SPI1_MOSI                (pin_D7)
+
+// External SPI Flash configuration
+#define MICROPY_HW_SPI_IS_RESERVED(id)      (id == 1)
+
+// Disable internal filesystem to use spiflash.
+#define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (0)
+
+// 8MB SPI flash
+#define MICROPY_HW_SPIFLASH_SIZE_BYTES      (8 * 1024 * 1024)
+
+// SPI flash pins
+#define MICROPY_HW_SPIFLASH_CS              (pyb_pin_FLASH_CS)
+#define MICROPY_HW_SPIFLASH_SCK             (pyb_pin_FLASH_SCK)
+#define MICROPY_HW_SPIFLASH_MOSI            (pyb_pin_FLASH_MOSI)
+#define MICROPY_HW_SPIFLASH_MISO            (pyb_pin_FLASH_MISO)
+
+extern const struct _mp_spiflash_config_t spiflash_config;
+extern struct _spi_bdev_t spi_bdev;
+#define MICROPY_HW_SPIFLASH_ENABLE_CACHE    (1)
+#define MICROPY_HW_BDEV_SPIFLASH            (&spi_bdev)
+#define MICROPY_HW_BDEV_SPIFLASH_CONFIG     (&spiflash_config)
+#define MICROPY_HW_BDEV_SPIFLASH_SIZE_BYTES (MICROPY_HW_SPIFLASH_SIZE_BITS / 8)
+#define MICROPY_HW_BDEV_SPIFLASH_EXTENDED   (&spi_bdev) // for extended block protocol
+#define MICROPY_HW_SPIFLASH_SIZE_BITS       (MICROPY_HW_SPIFLASH_SIZE_BYTES * 8)
+
+void WeAct_Core_early_init(void);
diff --git a/ports/stm32/boards/WeAct_H743VI/mpconfigboard.mk b/ports/stm32/boards/WeAct_H743VI/mpconfigboard.mk
@@ -0,0 +1,22 @@
+USE_MBOOT ?= 0
+
+# MCU settings
+MCU_SERIES = h7
+CMSIS_MCU = STM32H743xx
+MICROPY_FLOAT_IMPL = double
+AF_FILE = boards/stm32h743_af.csv
+
+ifeq ($(USE_MBOOT),1)
+# When using Mboot everything goes after the bootloader
+LD_FILES = boards/stm32h723.ld boards/common_bl.ld
+TEXT0_ADDR = 0x08020000
+else
+# When not using Mboot everything goes at the start of flash
+LD_FILES = boards/stm32h723.ld boards/common_basic.ld
+TEXT0_ADDR = 0x08000000
+endif
+
+# MicroPython settings
+MICROPY_VFS_LFS2 = 1
+
+FROZEN_MANIFEST ?= $(BOARD_DIR)/manifest.py
diff --git a/ports/stm32/boards/WeAct_H743VI/pins.csv b/ports/stm32/boards/WeAct_H743VI/pins.csv
@@ -0,0 +1,118 @@
+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
+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
+C0,PC0
+C1,PC1
+C2,PC2
+C3,PC3
+C4,PC4
+C5,PC5
+C6,PC6
+C7,PC7
+C8,PC8
+C9,PC9
+C10,PC10
+C11,PC11
+C12,PC12
+C13,PC13
+D0,PD0
+D1,PD1
+D2,PD2
+D3,PD3
+D4,PD4
+D5,PD5
+D6,PD6
+D7,PD7
+D8,PD8
+D9,PD9
+D10,PD10
+D11,PD11
+D12,PD12
+D13,PD13
+D14,PD14
+D15,PD15
+E0,PE0
+E1,PE1
+E2,PE2
+E3,PE3
+E4,PE4
+E5,PE5
+E6,PE6
+E7,PE7
+E8,PE8
+E9,PE9
+E10,PE10
+E11,PE11
+E11,PE11
+E12,PE12
+E13,PE13
+E14,PE14
+E15,PE15
+DAC1,PA4
+DAC2,PA5
+LED1,PE3
+SW,PC13
+I2C1_SDA,PB9
+I2C1_SCL,PB8
+I2C2_SDA,PF0
+I2C2_SCL,PF1
+I2C4_SCL,PF14
+I2C4_SDA,PF15
+SD_D0,PC8
+SD_D1,PC9
+SD_D2,PC10
+SD_D3,PC11
+SD_CMD,PD2
+SD_CK,PC12
+SD_SW,PG2
+OTG_FS_POWER,PD10
+OTG_FS_OVER_CURRENT,PG7
+USB_VBUS,PA9
+USB_ID,PA10
+USB_DM,PA11
+USB_DP,PA12
+UART2_TX,PD5
+UART2_RX,PD6
+UART2_RTS,PD4
+UART2_CTS,PD3
+UART3_TX,PD8
+UART3_RX,PD9
+UART5_TX,PB6
+UART5_RX,PB12
+UART6_TX,PC6
+UART6_RX,PC7
+UART7_TX,PF7
+UART7_RX,PF6
+UART8_TX,PE1
+UART8_RX,PE0
+-FLASH_CS,PD6
+-FLASH_SCK,PB3
+-FLASH_MISO,PB4
+-FLASH_MOSI,PD7
diff --git a/ports/stm32/boards/WeAct_H743VI/stm32h7xx_hal_conf.h b/ports/stm32/boards/WeAct_H743VI/stm32h7xx_hal_conf.h
@@ -0,0 +1,19 @@
+/* This file is part of the MicroPython project, http://micropython.org/
+ * The MIT License (MIT)
+ * Copyright (c) 2019 Damien P. George
+ */
+#ifndef MICROPY_INCLUDED_STM32H7XX_HAL_CONF_H
+#define MICROPY_INCLUDED_STM32H7XX_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 (5000)
+#define LSE_STARTUP_TIMEOUT (5000)
+
+#include "boards/stm32h7xx_hal_conf_base.h"
+
+#endif // MICROPY_INCLUDED_STM32H7XX_HAL_CONF_H