Commit Graph

1902 Commits

Author SHA1 Message Date
Jeff Epler 4fe08ff16b all: Avoid qstr_str calls when printing a qstr.
The `%q` formatter of mp_printf can be used instead, and may save a small
amount of code.

Signed-off-by: Jeff Epler <jepler@unpythonic.net>
2026-04-07 13:36:34 +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 82e44e07e7 stm32/mpthreadport: Increase minimum thread stack size to 2.5k.
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2.25k Seems necessary so it doesn't crash `thread/thread_stacksize1.py`.
But 2.5k gives a little extra headroom to make that test actually pass.

Signed-off-by: Damien George <damien@micropython.org>
2026-03-22 00:03:20 +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
Damien George 094c268ff1 stm32/machine_pwm: Use heuristic to assign TIMx_CHy to a pin.
When assigning a TIMx_CHy to a pin, the second available alternate function
is chosen (or the first if there is only one).  This gives better overall
static allocation of TIM's to pins.

On most MCUs (eg F4, F7, H5, H7) picking the second gives TIM5_CH[1-4] for
PA0-PA3, and TIM5 is a 32-bit timer.  That leaves TIM2 (also usually on
PA0-PA3) for other pins that only have TIM2.

For STM32G0, STM32L432 and STM32L452 the heuristic is to simply use the
first available alternate function because that gives TIM2 (a 32-bit timer)
on PA0-PA3.

The above heuristic guarantees that PA0-PA3 always get a 32-bit timer on
all supported MCUs.

Signed-off-by: Damien George <damien@micropython.org>
2026-03-20 11:26:57 +11:00
Damien George dbe6a11670 stm32/machine_pwm: Implement machine.PWM class.
This commit implements the standard `machine.PWM` class on stm32, using the
common bindings in `extmod/machine_pwm.c`.  Features implemented are:
- construct a PWM object from a pin, with automatic selection of TIM
  instance and channel;
- get and set freq, duty_u16 and duty_ns;
- optionally invert the output.

The PWM objects are static objects (partly in ROM, partly in RAM) so
creating a PWM instance on the same pin will return exactly the same
object.  That's consistent with other peripherals in the stm32 port, and
consistent with other PWM implementations (eg rp2).

When creating a PWM object on a pin, if that pin has multiple TIM instances
then only the first will be selected.  A future extension could allow
selecting the TIM/channel (eg similar to how ADCBlock allows selecting an
ADC).

Signed-off-by: Damien George <damien@micropython.org>
2026-03-20 11:24:19 +11:00
Damien George 2d3241f34c stm32/timer: Expose functions to convert id to reg and enable TIM clock.
This functionality already exists in the TIM code, and can be reused by the
upcoming PWM implementation.

Signed-off-by: Damien George <damien@micropython.org>
2026-03-20 10:42:25 +11:00
Damien George e74f3d5eaa stm32/timer: Use HAL macro to determine if TIM is 32-bit.
Some MCUs (eg N6) have more timers which are 32-bit, and it's best to use
this macro to work that out.

Signed-off-by: Damien George <damien@micropython.org>
2026-03-20 10:42:25 +11:00
Angus Gratton c802a13fb6 stm32: Fix printing value of pyb.CAN auto_restart on FDCAN hardware.
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The DAR register field is for auto-retransmit, FDCAN doesn't support
automatic restart to clear Bus Off.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-20 01:16:25 +11:00
Angus Gratton 6cac2d275d stm32: Add machine.CAN implementation.
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Implemented according to API docs in a parent comment.

Adds new multi_extmod/machine_can_* tests which pass when testing between
NUCLEO_G474RE, NUCLEO_H723ZG and PYBDV11.

This work was mostly funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-19 17:36:50 +11:00
Angus Gratton 6f835b365a stm32: Implement index-aware STM32G4 FDCAN HAL TX functions.
These are oddly missing from the STM32G4 HAL, but the
reference manual describes being able to use them and
the implementations seem to work as expected.

Note that unlike STM32H7 it doesn't seem like we must use this approach,
because HAL_FDCAN_AddMessageToTxFifoQ() does seem to not have the issues
with priority inversion seen on the H7. However it's simpler to use the
same API for both...

Signed-off-by: Angus Gratton <angus@redyak.com.au>
Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-19 17:36:46 +11:00
Angus Gratton 6768325ea3 stm32: Add can_get_state() function, use from pyb.CAN.
This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-19 15:37:19 +11:00
Angus Gratton cda49bed27 py/objlist,stm32,esp32: Add helpers for creating/ensuring list args.
Simplifies the pattern of an optional arg which can be a list of at
least a certain length, otherwise one is lazily initialised.

Modify pyb.CAN and ESP-NOW APIs to use the helper. Note this changes
the return type of pyb.CAN.recv() from tuple to list.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-19 15:37:19 +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
Angus Gratton a906cfbb4b stm32/can: Clarify can_clearfilter() arguments.
The function arguments mean totally different things for Classic vs FDCAN
hardware, but the argument name wasn't particularly clear for either.

This commit shouldn't really change the binary firmware at all.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-19 09:37:19 +11:00
Angus Gratton 4b339ee7dc stm32/pyb_can: Fix initialising CAN2 clearing CAN1 filters.
Closes #18922

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-19 09:37:19 +11:00
Angus Gratton b343a3697c ports: Don't pass -nostdlib in CFLAGS.
This is a linker option, so provided it's added to LDFLAGS then it can be
dropped from CFLAGS without changing the compiler behaviour.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-03-09 22:50:59 +11:00
robert-hh 1bbce9cee5 extmod/mbedtls: Factor out mbedtls_hardware_poll() to common code.
Using the new, common function `mp_hal_get_random()`.

Signed-off-by: robert-hh <robert@hammelrath.com>
2026-03-03 23:43:42 +11:00
robert-hh 2e62b56bdd ports: Refactor os.urandom().
Factor out mp_os_urandom() of each port into extmod/modos.c, which then
calls the port-specific function mp_hal_get_random().

Move mp_hal_get_random() to mphalport where suitable. At the
MIMXRT and SAMD it is left in modos.c, since there are different
implementation depending on the MCU family.

At the ALIF, ESP32, CC3200 and RP2 port the file modos.c was removed,
since it was empty after moving mp_hal_get_random().

Tested for the cc3200, esp32, esp8266, mimxrt, nrf, rp2, samd, stm32
and unix ports. Compiled for the alif and the renesas port.

Signed-off-by: robert-hh <robert@hammelrath.com>
2026-02-24 23:36:02 +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
Alessandro Gatti d278d6b3d8 stm32/pin: Reduce footprint of pin structures.
This commit performs a few minor changes to the structures used to store
board pin information, in order to reduce the impact on the .rodata
section of the firmware of instances of those structures.

The pin objects structure ("machine_pin_obj_t") instead has its QSTR
variable holder changed from "qstr" to "qstr_short_t", and some elements
of that structure have been rearranged to remove enough padding bytes
inside structure elements to let the linker allocate less data for
instances of that structure.

Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
2026-02-23 13:10:47 +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
Yuuki NAGAO 746e2c985a stm32: Update STM32U5 suppport.
Add USB FS configuration to enable for STM32U5.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2026-02-23 13:07:58 +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
Damien George b89246159d stm32: Convert port to use new event waiting functions.
Convert the stm32 port from the old `MICROPY_EVENT_POLL_HOOK` macro to use
the new `mp_event_wait_xxx()` functions in conjunction with
`MICROPY_INTERNAL_WFE`.

This change should be functionally equivalent to the existing behaivour
because `mp_event_wait_ms()` and `mp_event_wait_indefinite()` are equal to
`mp_handle_pending(true); __WFI()`, which is what `MICROPY_EVENT_POLL_HOOK`
was.

Note that the `CYW43_EVENT_POLL_HOOK` macro needed to be overridden,
otherwise it would just call `mp_event_handle_nowait()` which would create
power hungry busy loops.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-23 12:54:39 +11:00
Damien George 0c7726a89c all: Use enum instead of bool argument to mp_handle_pending.
This should be a no-op because the enum and bool have the same numeric
value.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 00:29:36 +11:00
Damien George adbdded185 ports: Remove incorrect and unnecessary mp_handle_pending declaration.
In c57aebf790 `mp_handle_pending()` became a
static-inline function.  So these declarations in `mpconfigport.h` are
incorrect and removed by this commit.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 00:29:05 +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
Damien George bc7d264e86 stm32/sdcard: Use high speed mode for SD transfers on H5/H7/N6.
This doubles the speed of SD card transfers.

Signed-off-by: Damien George <damien@micropython.org>
2026-01-14 16:44:23 +11:00
Damien George e48b98537f stm32/main: Enable all AHB5 GRP1 clocks in low power mode.
The main functional change here is to make sure that the SDMMC1/2 clocks
are enabled in low power mode; they were not previously enabled for SD card
use, only WLAN.  It doesn't hurt to unconditionally enable the clocks in
low power, like all the other peripherals.

Signed-off-by: Damien George <damien@micropython.org>
2026-01-14 16:42:57 +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 4d7c2fd186 stm32/system_stm32: Fix clock config for STM32G4.
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Add peripheral clock selection for ADC345 to use analog port under ADC3.

Fixes #18527.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
2025-12-07 23:08:33 +11:00
Damien George 9c2b0cd2e3 stm32/usbd_conf: Fix build for boards with USB disabled.
Some boards (eg NUCLEO_G0B1RE and NUCLEO_G474RE) have USB disabled but
still configure MICROPY_HW_USB_FS/HS for the cases where USB does get
enabled.  Such a configuration should not build any of the code in
`usbd_conf.c`, nor the USB interrupt handlers.

Signed-off-by: Damien George <damien@micropython.org>
2025-11-30 15:23:59 +11:00
Damien George 41acdd8083 stm32/rtc: Make sure RTC is using LSE on N6 MCUs.
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Signed-off-by: Damien George <damien@micropython.org>
2025-11-29 23:57:10 +11:00
Damien George 63c94fe73e stm32: Fix init sequence of USB hardware and TinyUSB stack.
This commit fixes the initialization sequence for TinyUSB when enabled on
the stm32 port:

- Following other ports, `mp_usbd_init()` should be called just after
  running `boot.py`, to give the user a chance to configure USB.

- Hardware initialization (via `pyb_usbd_init()`) should only occur once,
  the first time TinyUSB is started up.  This is achieved by adding a hook
  to the shared TinyUSB bindings to call `pyb_usbd_init()`, and only do the
  hardware init if TinyUSB was not already initialized.

Also, `pyb_usbd_init()` is renamed `mp_usbd_ll_init()` to make it match
with the rest of the stared TinyUSB binding code.

Signed-off-by: Damien George <damien@micropython.org>
2025-11-29 23:35:20 +11:00
Damien George f43810b1cd stm32/usbd_conf: Clean up USBD hardware initialization functions.
Break the FS and HS initialization routines out into separate functions,
and call them as necessary from the TinyUSB or STM USB helper functions.

Signed-off-by: Damien George <damien@micropython.org>
2025-11-29 23:35:20 +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
iabdalkader b087cb41e8 stm32/mpconfigboard_common: Define TinyUSB MCU type for N6.
Allows using TinyUSB stack on N6.

Note there's still an issue with TinyUSB on the N6: `pyb_usbd_init()` can't
be called multiple times (on soft-reboot).

Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-11-27 14:29:30 +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