Commit Graph

529 Commits

Author SHA1 Message Date
Damien George d1c61ca52a stm32/boards: Extend RAM section by 192K on STM32H723.
This extends the RAM section into the adjacent ITCM RAM block, increasing
the total GC heap size by the same amount (because the GC heap uses all
available remaining RAM).

This affects only the NUCLEO_H723ZG board, bringing available GC heap from
73984 to 266048 bytes.

Signed-off-by: Damien George <damien@micropython.org>
2026-04-30 23:05:01 +10:00
Andrew Leech 06f27ec853 stm32/boards/STM32H747I_DISCO: Add STM32H747I-DISCO board definition.
Adds support for STM32H747I-DISCO evaluation board with:
- STM32H747XI dual-core MCU (Cortex-M7 @ 400MHz + Cortex-M4)
- 32MB SDRAM (32-bit bus @ 120MHz)
- 32MB QSPI flash storage (MT25QL512ABB dual)
- USB High-Speed via ULPI PHY (USB3320C-EZK)
- USART1 console via ST-LINK V3 VCP
- 10/100 Ethernet (LAN8742A RMII) - requires hardware modification
- microSD card slot (8-bit SDMMC1)
- 4 LEDs and user button
- OpenAMP support for M7-M4 communication

Software configuration:
- RTC uses LSE (32.768kHz crystal)
- lwIP networking stack with SSL/TLS (mbedTLS)
- exFAT filesystem support

Known limitations:
- Ethernet requires hardware modification (ETH_MDC/SAI4_D1 pin conflict)

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-04-30 23:02:03 +10:00
Damien George 702f15ab98 stm32/boards/PYBD_SF2: Free up some space in internal flash.
With the recent addition of `machine.PWM` and `machine.CAN`, the internal
flash of PYBD_SF3 overflows by about 300 bytes.

This commit moves the inline assembler compiler functions from internal to
external QSPI flash.  That frees up about 3k internal flash, and shouldn't
affect performance.

Signed-off-by: Damien George <damien@micropython.org>
2026-03-22 00:04:52 +11:00
Damien George 98ab12a491 stm32/boards/stm32n657_af.csv: Add TIM alt funcs to PA0-PA3.
Signed-off-by: Damien George <damien@micropython.org>
2026-03-20 11:37:15 +11:00
Damien George 2b64d6d023 stm32/boards/stm32f091_af.csv: Split TIM2_CH1 from TIM2_ETR.
So that TIM2_CH1 can be used.

Signed-off-by: Damien George <damien@micropython.org>
2026-03-20 11:37:15 +11:00
Damien George af31472e3d stm32/boards: Disable some features on boards with small flash.
This allows the newly-added `machine.PWM` class to fit on these boards,
which is arguably more useful than the features disabled in this commit.

Signed-off-by: Damien George <damien@micropython.org>
2026-03-20 11:37:15 +11:00
Angus Gratton d1c936db73 stm32: Expose FDCAN2 on board NUCLEO_G474RE.
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This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-19 09:37:19 +11:00
Thomas Propst 43cfbbb779 stm32: Support more stm32g4 variants.
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- `timer.c`
  - `TIM_ENTRY(7, ...)` sets IRQ based on specific STM32G4 part
- `system_stm32.c`
  - Support parts without external clock
- `boards/NUCLEO_G474RE/mpconfigboard.h`
  - Explicitly enable `MICROPY_HW_RTC_USE_LSE`

Signed-off-by: Thomas Propst <tom.propst@gmail.com>
2026-02-23 13:12:38 +11:00
Thomas Propst 7e1f754ca2 stm32/boards/stm32l072xz.ld: Correct comment in linker script.
Header comment said "STM32F072xZ" for the STM32L072xZ linker script.

Signed-off-by: Thomas Propst <tom.propst@gmail.com>
2026-02-23 13:09:27 +11:00
Yuuki NAGAO fd009e6c4f 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>
2026-02-23 13:07:59 +11:00
mdaeron f94980677c stm32/boards: Add UARTs to NUCLEO F746ZG and NUCLEO F439ZI.
Adds the following UARTs: 1, 4, 5, 7, 8,
assigned to pins that were not otherwise assigned.

Signed-off-by: mdaeron <mathieu@daeron.fr>
2026-02-23 13:06:54 +11:00
Angus Gratton af76da96a3 stm32: Default to --connect-under-reset if flashing via deploy-stlink.
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(Can be overridden by setting STFLASH variable.)

Generalises the change from 6b13e6c498 to all
stm32 boards. As we're resetting the target to flash it anyway, it
shouldn't hurt to put the target into reset before trying to connect.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-01-29 09:18:09 +11:00
Oliver Joos 230bbbbdf5 stm32/boards/NUCLEO_H7x3: Add UART1, remove UART5, slow down PLL1Q.
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STM32CubeMX shows a conflict of UART5 with ETH MII.
However UART1 can be used with TX and RX on the pin headers.

PLL1Q is reduced from 200 to 100 MHz because it may be used for FDCAN
or SDMMC. FDCAN needs <= 150 MHz, and 100 MHz is enough for an SDCard
connected to pin headers to work reliably.

Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
2026-01-14 17:08:08 +11:00
Oliver Joos 6b13e6c498 stm32/boards/NUCLEO_H7x3: Fix st-flash and add openocd configuration.
To connect STM32H7 that is in SLEEPD1 state (e.g. during REPL)
debuggers like st-flash or openocd must assert SRST.

Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
2026-01-14 17:08:08 +11:00
Oliver Joos ee0b5ab2dc stm32/boards/NUCLEO_H753ZI: Add NUCLEO_H753ZI board support.
Configuration:
- Clock is 8MHz from STLINK MCO, CPU runs at 400MHz
- REPL on USB and on UART connected to ST-Link interface
- Storage is configured for internal flash memory
- 3x LEDs and 1x user button
- Ethernet

Product page:
https://www.st.com/en/evaluation-tools/nucleo-h753zi.html

Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
2026-01-14 17:08:08 +11:00
Oliver Joos 4e98486830 stm32/boards: Add linker script for STMF412xE with 512k flash.
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The existing linker script for F412 is renamed to separate F412xG (with
1MB RAM) from F412xE (with 512K).

Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
2026-01-14 16:54:10 +11:00
Oliver Joos e9bd1e2e08 stm32: Add support for all STM32F412xx MCUs.
And fix typo in the usage string of plli2svalues.py.

Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
2026-01-14 16:54:10 +11:00
Steve Sanbeg 504adc689b stm32/boards/NUCLEO_G474RE: Restore disabled modules on g474re.
Among other things, the framebuf module is missing on NUCEO_G474RE. This
board seems to disable a lot of modules, while other *E boards with the
same flash configuration (eg NUCLEO_F411RE) don't seem to disable any
modules in this way.

So, remove all of the lines disabling modules to make it consistent with
other boards.

Signed-off-by: Steve Sanbeg <steve.sanbeg@gmail.com>
2025-12-08 09:15:25 +11:00
Yuuki NAGAO 9b73e344eb stm32/boards/WEACTSTUDIO_MINI_STM32H743: Add WeAct H743VI board support.
This change adds WeAct Studio Mini STM32H743 board support to the STM32
port.  Some of the work from PR #12540 is combined here.

WeAct Studio Mini STM32H43 board:
https://github.com/WeActStudio/MiniSTM32H7xx

This board uses STM32H743VI:
https://www.st.com/en/microcontrollers-microprocessors/stm32h743vi.html

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-11-29 23:10:54 +11:00
Damien George 22cff2f6f5 stm32/boards/STM32F469DISC: Add board.json file.
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Signed-off-by: Damien George <damien@micropython.org>
2025-11-27 18:39:51 +11:00
Mike Tolkachev b4d546d82e stm32/boards/STM32F469DISC: Add new board definition files.
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Signed-off-by: Mike Tolkachev <contact@miketolkachev.dev>
2025-11-27 15:41:41 +11:00
Mike Tolkachev cad9bb3a2b stm32: Add support for STM32F469xx MCUs.
Signed-off-by: Mike Tolkachev <contact@miketolkachev.dev>
2025-11-27 15:41:41 +11:00
Damien George 53189f9b92 stm32/boards/OPENMV_N6: Enable RGMII Ethernet.
Signed-off-by: Damien George <damien@micropython.org>
2025-11-20 13:52:20 +11:00
Damien George 45956a9516 stm32/eth: Add support for gigabit RGMII peripheral interface.
Signed-off-by: Damien George <damien@micropython.org>
2025-11-20 13:01:35 +11:00
Damien George 15acd6d8f7 stm32/boards/NUCLEO_N657X0: Enable Ethernet.
Signed-off-by: Damien George <damien@micropython.org>
2025-11-20 13:01:35 +11:00
Damien George 5a69d47567 stm32/eth: Add support for Ethernet on N6 MCUs.
This adds working support for 100MBit Ethernet on N6 MCUs.

Signed-off-by: Damien George <damien@micropython.org>
2025-11-20 13:01:35 +11:00
Yuuki NAGAO e58425a513 stm32/boards: Add NUCLEO-U5A5ZJ-Q board support.
This change adds NUCLEO-U5A5ZJ-Q support to the STM32 port.
NUCLEO-U5A5ZJ-Q: https://www.st.com/ja/evaluation-tools/nucleo-u5a5zj-q.html
This board use STM32U5A5ZJ: https://www.st.com/ja/microcontrollers-microprocessors/stm32u5a5zj.html

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-10-30 07:38:27 +09:00
Yuuki NAGAO d20d19783d stm32: Add STM32U5 support.
This change adds STM32U5 support to the STM32 port.
STM32U5A5ZJ: https://www.st.com/ja/microcontrollers-microprocessors/stm32u5a5zj.html

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-10-30 07:38:18 +09:00
Yuuki NAGAO 7373338fa9 stm32/boards/NUCLEO_H7A3ZI_Q: Add NUCLEO_H7A3ZI_Q board support.
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This change adds NUCLEO_H7A3ZI_Q Core Board support to the STM32 port.

NUCLEO_H7A3ZI_Q:
https://www.st.com/en/evaluation-tools/nucleo-h7a3zi-q.html

This board uses STM32H7A3ZI:
https://www.st.com/en/microcontrollers-microprocessors/stm32h7a3zi.html

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-10-24 23:53:58 +11:00
Kwabena W. Agyeman 3808ccd522 stm32/boards: Add missing AF options to N6 AF file.
Signed-off-by: Kwabena W. Agyeman <kwagyeman@live.com>
2025-10-24 23:24:05 +11:00
iabdalkader 62cf07540c stm32/boards/OPENMV_N6: Fix float implementation.
32-bit floats are needed for object representation C.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-10-24 18:46:34 +11:00
Jeff Epler 007f127a61 all: Simplify mp_int_t/mp_uint_t definition.
Assuming proper C99 language support, we can select "the int type as big as
a pointer" (most of the time) or "the 64-bit int type" (nanboxing with
REPR_D), and then define everything else automatically.

This simplifies port configuration files.  And the types can still be
overridden if needed.

Signed-off-by: Jeff Epler <jepler@unpythonic.net>
2025-10-23 15:12:28 +11:00
iabdalkader f7b30aa423 stm32/boards/OPENMV_N6: Switch to object REPR_C.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-10-10 14:30:51 +11:00
iabdalkader 6d65882b05 stm32/boards/OPENMV_N6: Define RTS pin for UART3.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-10-01 09:52:10 +10:00
iabdalkader ed46ff6820 stm32/boards: Add PG13 AF7 (USART3_RTS) to N6 AF file.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-10-01 09:52:08 +10:00
Kwabena W. Agyeman 64c7045213 stm32/boards/OPENMV_N6: Define all OpenMV N6 pins.
Signed-off-by: Kwabena W. Agyeman <kwagyeman@live.com>
2025-10-01 09:49:03 +10:00
Yuuki NAGAO 65b2dc255b stm32/powerctrlboot: Refactor clock settings for STM32G0.
Clock parameter definitions should be in `mpconfigboard.h` and use them at
clock initialization.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-09-23 14:47:46 +10:00
Yuuki NAGAO 8d04f5da7d stm32/boards: Set RCC_HSE_BYPASS for relevant NUCLEO boards.
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For NUCLEO boards that does not have HSE crystal, HSEState should set
RCC_HSE_BYPASS to use HSE clock from ST-LINK 8MHz.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-09-18 22:50:25 +10:00
Yuuki NAGAO 03e3a06de6 stm32/boards/NUCLEO_G474RE: Change flash latency for NUCLEO-G474RE.
For NUCLEO-G474RE, FLASH_LATENCY_4 can be specified instead of
FLASH_LATENCY_8 because it runs at 170MHz.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-09-18 17:02:39 +10:00
Yuuki NAGAO 06a90e0b4b stm32/boards/NUCLEO_F401RE: Change flash latency for NUCLEO-F401RE.
For NUCLEO-F401RE, FLASH_LATENCY_2 can be specified for flash latency
because it runs at 84MHz.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-09-18 16:55:31 +10:00
Jeff Epler 36ab1c2640 ports: Remove unneeded future imports.
Signed-off-by: Jeff Epler <jepler@unpythonic.net>
2025-09-15 14:54:09 +10:00
Jeff Epler f0c6f16b9e all: Remove Python 2.7 support.
Python 2.7 has been EOL since January 2020.

Ubuntu oldoldlts (Focal Fossa, 20.04) has Python 3.8.  Debian oldoldstable
(Buster, from 2019) has Python 3.7.  RHEL 8 (from 2019) has Python 3.6.

It's easier than ever to install a modern Python using uv.

Given this, it seems like a fine idea to drop Python 2.7 support.

Even though the build is not tested on Python as old as 3.3, I left
comments stating that "3.3+" is the baseline Python version.  However, it
might make sense to bump this to e.g., 3.10, the oldest Python 3 version
used during CI. Or, using uv or another method actually test on the oldest
Python interpreter that is desirable to support (uv goes back to Python 3.7
easily; in October 2025, the oldest supported Python interpreter version
will be 3.10)

Signed-off-by: Jeff Epler <jepler@gmail.com>
2025-09-15 14:53:32 +10:00
iabdalkader 9939565d50 stm32/boards/ARDUINO_OPTA: Reset ETH PHY on board init.
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As required by the datasheet.

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-09-02 14:05:26 +10:00
Yuuki NAGAO 152a0782e6 stm32/dac: Add support for DAC feature on STM32G0.
DAC.write() and DAC.write_timed() are now available on STM32G0.

Tested on NUCLEO_G0B1RE.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-08-18 13:17:34 +10:00
Jeff Epler 0c8d35b322 ports: Eliminate define of {U,}INT_FMT where redundant.
The default definition in `py/mpconfig.h` for 32-bit architectures is
`%u/%d`, so these can be removed.

Signed-off-by: Jeff Epler <jepler@gmail.com>
2025-07-25 10:54:27 +10:00
Damien George 50ea398b00 stm32/boards/NUCLEO_N657X0: Add new board definition files.
Signed-off-by: Damien George <damien@micropython.org>
2025-07-08 16:28:58 +10:00
Damien George 3189e49d28 stm32/boards/OPENMV_N6: Add new board definition files.
Signed-off-by: Damien George <damien@micropython.org>
2025-07-08 16:28:58 +10:00
Damien George 96b8f3aebc stm32/boards: Add board support files for N6.
Signed-off-by: Damien George <damien@micropython.org>
2025-07-08 16:25:14 +10:00
Damien George eb3ea9ee13 stm32: Add support for STM32N6xx MCUs.
This commit adds preliminary support for ST's new STM32N6xx MCUs.

Supported features of this MCU so far are:
- basic clock tree initialisation, running at 800MHz
- fully working USB
- XSPI in memory-mapped mode
- machine.Pin
- machine.UART
- RTC and deepsleep support
- SD card
- filesystem
- ROMFS
- WiFi and BLE via cyw43-driver (SDIO backend)

Note that the N6 does not have internal flash, and has some tricky boot
sequence, so using a custom bootloader (mboot) is almost a necessity.

Signed-off-by: Damien George <damien@micropython.org>
2025-07-08 16:24:27 +10:00
Damien George 24fd5f7268 stm32/boards/make-pins.py: Support up to GPIO-O.
Signed-off-by: Damien George <damien@micropython.org>
2025-07-08 16:24:27 +10:00