This is an automated email from the ASF dual-hosted git repository. acassis pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/nuttx.git
commit ccbe771ad05b7076cef896457f7e31bb89ebe2c7 Author: Andrey Sobol <[email protected]> AuthorDate: Mon Jul 27 18:41:29 2026 +0300 boards/devebox-stm32h743: add board documentation Documentation for the DevEbox STM32H743 board covering pin mappings, configurations, and flashing instructions. Signed-off-by: Andrey Sobol <[email protected]> --- .../devebox-stm32h743/devebox-stm32h743-bottom.jpg | Bin 0 -> 565302 bytes .../devebox-stm32h743/devebox-stm32h743-top.jpg | Bin 0 -> 568587 bytes .../arm/stm32h7/boards/devebox-stm32h743/index.rst | 187 +++++++++++++++++++++ 3 files changed, 187 insertions(+) diff --git a/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/devebox-stm32h743-bottom.jpg b/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/devebox-stm32h743-bottom.jpg new file mode 100644 index 00000000000..36ae9f8d1a4 Binary files /dev/null and b/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/devebox-stm32h743-bottom.jpg differ diff --git a/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/devebox-stm32h743-top.jpg b/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/devebox-stm32h743-top.jpg new file mode 100644 index 00000000000..eb29a35ebc8 Binary files /dev/null and b/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/devebox-stm32h743-top.jpg differ diff --git a/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/index.rst b/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/index.rst new file mode 100644 index 00000000000..82538040940 --- /dev/null +++ b/Documentation/platforms/arm/stm32h7/boards/devebox-stm32h743/index.rst @@ -0,0 +1,187 @@ +================== +devebox-stm32h743 +================== + +.. tags:: chip:stm32, chip:stm32h7, chip:stm32h743 + +NuttX port for the DevEbox STM32H743 board. + +.. figure:: devebox-stm32h743-top.jpg + :align: center + :width: 80% + +| + +.. figure:: devebox-stm32h743-bottom.jpg + :align: center + :width: 80% + +| + +Board information +================= + +The DevEbox STM32H743 board is developed based on the STM32H743VI microcontroller. + +Board information: https://stm32-base.org/boards/STM32H743VIT6-STM32H7XX-M + +The board features: + + - USB-C power supply + - SWD connector + - Crystal for HS 25MHz + - Crystal for RTC 32.768KHz + - 1 user LED (PA1) + - 2 user buttons (PE3, PC5) + - 1 MicroSD connector supporting 1 or 4-bit bus (SDMMC1) + - 1 USB 2.0 OTG FS + - 1 QSPI Flash W25Q64 (8MB) + +Serial Console +============== + +The board uses USART1 for the serial debug console. + +======== ===== +USART1 PINS +======== ===== +TX PA9 +RX PA10 +======== ===== + +**Note:** PA10 is also used as OTGFS_ID. When USB is enabled, +``CONFIG_OTG_ID_GPIO_DISABLE=y`` must be set to avoid a pin conflict. + +LED +=== + +The board has one software-controllable LED on PA1 (active low). + +Board buttons +============= + +The board has two buttons with active-low logic: + +==== ===== +ID GPIO +==== ===== +K1 PE3 +K2 PC5 +==== ===== + +SDMMC +===== + +The board has one microSD slot connected via SDMMC1. + +=========== ===== +SDMMC1 PINS +=========== ===== +SDMMC_D0 PC8 +SDMMC_D1 PC9 +SDMMC_D2 PC10 +SDMMC_D3 PC11 +SDMMC_CK PC12 +SDMMC_CMD PD2 +=========== ===== + +=============== ===== +GPIO PINS +=============== ===== +SDCARD_DETECT PD4 +=============== ===== + +QSPI Flash +========== + +The board has a W25Q64 (8MB) QSPI NOR Flash. + +========= ===== +QSPI PINS +========= ===== +BK1_CS PB6 +BK1_IO0 PD11 +BK1_IO1 PD12 +BK1_IO2 PE2 +BK1_IO3 PD13 +CLK PB2 +========= ===== + +USB OTG FS +========== + +========= ===== +OTG_FS PINS +========= ===== +DM PA11 +DP PA12 +ID PA10 +========= ===== + +Flashing +======== + +The board can be flashed via the SWD connector using a compatible programmer +such as J-Link, ST-Link, or other SWD probe. + +SWD +--- + +Connect the SWD programmer as follows: + +================ =============== +SWD Programmer DevEbox +================ =============== +SWDIO DIO +GND GND +SWCLK CLK +3.3V 3V3 +================ =============== + +J-Link example:: + + JLinkExe -autoconnect 1 -device STM32H743VI -if SWD -speed 4000 \ + -CommanderScript flash.jlink + +With flash.jlink:: + + reset + halt + loadfile nuttx.bin 0x08000000 + reset + go + exit + +Configurations +============== + +Each devebox-stm32h743 configuration is maintained in a sub-directory and +can be selected as follows:: + + ./tools/configure.sh devebox-stm32h743:<subdir> + +Where ``<subdir>`` is one of the following: + +nsh +--- + +Configures the NuttShell (nsh) with a serial console on USART1 (PA9/PA10). +Minimal configuration suitable for basic testing. + +nsh+debug +--------- + +nsh configuration with debug features enabled (assertions, LEDs, stack +checking, RAMLOG). Syslog output goes to ``/dev/ttyRAM`` via RAMLOG. + +full +---- + +All-in-one configuration enabling all board features: + + - SD card (``/dev/mmcsd0``) + - USB CDC ACM (``/dev/ttyACM0``) + - W25Q64 QSPI Flash NXFFS (``/w25``) + - Buttons (``/dev/buttons``) + - RAMLOG (``/dev/ttyRAM``) + - GPIO helper (``/dev/gpio*``)
