Damien George
6c9940b1f6
stm32/adc: Get ADC working on STM32N6 MCUs.
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Changes made here for N6 are:
- set RIF security attributes for ADC12
- clock ADC12 at 50MHz (maximum) so it runs at spec (max 5Msamp/sec)
- increase sampling time for standard channels to 46.5 cycles
- calibrate ADC in `adc.c`
- correctly clear ADC_CFGR1_RES bits in `machine_adc.c`
- set preselection register in `machine_adc.c`
Signed-off-by: Damien George <damien@micropython.org >
2025-09-25 12:55:51 +10:00
Yuuki NAGAO
5312614974
stm32/rtc: Fix RTC.wakeup issue for STM32G0.
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To clear wakeup interrupt flag, set CWUTF on RTC_SCR instead of RTC_MISR.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-23 14:49:19 +10:00
Yuuki NAGAO
9a13688c13
stm32/timer: Enable RTCAPB_CLK for STM32G0.
...
To get worked pyb.RTC and machine.RTC on STM32G0.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-23 14:49:16 +10:00
Yuuki NAGAO
8632351983
stm32/timer: Fix Timer(4) issue for STM32G0.
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The definition of TIM_ENTRY of TIM4 is incorrect.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-23 14:49:10 +10:00
Yuuki NAGAO
ddf1a383ca
stm32/machine_adc: Fix machine.ADC so it works on STM32G0.
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Fixes are:
- Enable VREG before initializing ADC.
- The channel value of internal sensor should convert with
__LL_ADC_CHANNEL_TO_DECIMAL_NB().
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-23 14:48:50 +10:00
Yuuki NAGAO
7ba82219f3
stm32/adc: Fix pyb.ADC issue for STM32G0.
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Fixes are:
- The internal sensors of STM32G0 are connected channel 12, 13, 14.
- Update adc_refcor before reading vbat and tempsensor because reference
values are at VDDA=3.0V.
- The method of initialize of sampling time is different with other MCUs:
STM32G0 should initialize SamplingTimeCommon1/2 first. When reading
value from ADC, ADC_ChannelConfTypeDef.SamplingTime should be specified
SamplingTimeCommon1 or SamplingTimeCommon2. In this patch,
SamplingTimeCommon2 is used for internal sensors and SamplingTimeCommon1
is used for external ADC channels.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-23 14:48:16 +10:00
Yuuki NAGAO
65b2dc255b
stm32/powerctrlboot: Refactor clock settings for STM32G0.
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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
592affce3f
stm32/make-stmconst.py: Fix missing peripheral consts in stm module.
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Lines like the following were not handled by `make-stmconst.py`:
#define APBPERIPH_BASE (PERIPH_BASE)
This leads to missing definitions on stm module. For example, `stm.RTC` is
not defined if `RTC_BASE` is defined as
#define RTC_BASE (APBPERIPH_BASE + 0x00002800UL)
because `APBPERIPH_BASE` is not handled as a valid id.
This patch modifies the RegExp so it can handle the above.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-23 14:34:58 +10:00
Damien George
ec1bfcfbb7
stm32/main: Use defined constants to enable N6 clocks during low power.
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Use constants from the HAL instead of literal numbers to select which
peripheral clocks are enabled during low power mode.
Signed-off-by: Damien George <damien@micropython.org >
2025-09-18 23:32:44 +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
c4d99f34ae
stm32/uart: Fix LPUART init failure with low baudrate.
...
UART prescaler value should set up correctly to initialize LPUART with low
baudrate for STM32G0/G4/H5. This can be implemented similarly to
STM32H7/N6/WB.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-18 22:36:16 +10:00
iabdalkader
7cbe083b2c
stm32/uart: Enable UART FIFO for STM32N6.
...
Signed-off-by: iabdalkader <i.abdalkader@gmail.com >
2025-09-18 22:28:35 +10:00
Yuuki NAGAO
a6efc67064
stm32/i2c: Add hardware I2C implementation for STM32G4.
...
For STM32G4, hardware I2C can implement same as STM32L4 for machine.I2C.
This commit makes to be able to use of hardware I2C in machine.I2C.
Tested on NUCLEO-G474RE.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-09-18 17:06:22 +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
Chris Mason
fc2a851202
stm32: Enable I2CTarget for STM32L4.
...
STM32L4 uses the same I2C controller as STM32WB. Change `defined(STM32WB)`
to `defined(STM32L4) || defined(STM32WB) ` in relevant files.
Also remove the dummy definition of I2C2_BASE for STM32L432xx. It's now
provided by the dummy definition in `i2cslave.h`.
Signed-off-by: Chris Mason <c.mason@inchipdesign.com.au >
Signed-off-by: Damien George <damien@micropython.org >
2025-09-02 13:45:39 +10:00
Damien George
b5fcb33eaa
py/mpconfig: Enable CRYPTOLIB, HASHLIB_MD5, HASHLIB_SHA1 if SSL enabled.
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This commit unifies the configuration of MICROPY_PY_CRYPTOLIB,
MICROPY_PY_HASHLIB_MD5 and MICROPY_PY_HASHLIB_SHA1, so they are enabled by
default if MICROPY_PY_SSL is enabled. This matches the existing
configuration of most of the ports.
With this change, all ports remain the same except:
- reneses-ra now enables MICROPY_PY_CRYPTOLIB, MICROPY_PY_HASHLIB_MD5 and
MICROPY_PY_HASHLIB_SHA1.
- rp2 now enables MICROPY_PY_HASHLIB_MD5.
Signed-off-by: Damien George <damien@micropython.org >
2025-08-19 21:10:00 +10:00
Tico06
020eeba412
stm32/eth_phy: Fix typo in header guard macro.
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Typo on line 29 (PYH instead of PHY).
Compilation failing, here is the output:
eth_phy.h:28: error: header guard 'MICROPY_INCLUDED_STM32_PHY_H'
followed by '#define' of a different macro [Werror=header-guard]
28 | #ifndef MICROPY_INCLUDED_STM32_PHY_H
eth_phy.h:29: note: 'MICROPY_INCLUDED_STM32_PYH_H' is defined here;
did you mean 'MICROPY_INCLUDED_STM32_PHY_H'?
29 | #define MICROPY_INCLUDED_STM32_PYH_H
Signed-off-by: Tico06 <e.grammatico@gmail.com >
2025-08-18 14:07:02 +10:00
iabdalkader
c7ddf0c54f
stm32/Makefile: Add .gc.blocks.table section to generated binary.
...
The generated binary file was missing this section, which caused a hard
fault when loading bin or dfu firmware (eg on ARDUINO_GIGA).
Signed-off-by: iabdalkader <i.abdalkader@gmail.com >
2025-08-18 13:57:30 +10:00
Yuuki NAGAO
365329cd54
stm32/dac: Fix DAC write for MCUs that have D-Cache.
...
To prevent wrong DAC output, clean D-cache before starting DMA.
For more details, please refer to the following document:
https://www.st.com/resource/en/application_note/DM00272913.pdf
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-08-18 13:20:50 +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
Yuuki NAGAO
1b35116c92
stm32/dac: Fix 12-bit DAC issue on STM32H5.
...
For STM32H5, to use 12-bit DAC, the DMA parameter should set:
- Actual DMA source datawidth to CTR1.
- The length is the amount of data to be transferred from source to
destination in bytes.
Also, this commit modifies the (dummy) definition of DMA_CIRCULAR for
STM32H5 to prevent conflict with data width specification.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-08-18 13:11:01 +10:00
Damien George
b3cd1a355e
extmod/modtime: Move tuple creation to common localtime implementation.
...
This factors code out of the ports and into the common `time.localtime`
implementation in `extmod/modtime.c`. That helps to reduce code
duplication, prevent errors in implementation, and reduce code size on
some ports (mimxrt and stm32 at least).
Signed-off-by: Damien George <damien@micropython.org >
2025-08-15 12:09:13 +10:00
Damien George
d5ecda05eb
ports: Allow MICROPY_PY_MACHINE_I2C_TARGET to be disabled by board cfg.
...
Signed-off-by: Damien George <damien@micropython.org >
2025-08-07 10:33:26 +10:00
Damien George
01e570a347
stm32/machine_i2c_target: Implement I2CTarget class.
...
Works, tested on PYBV10, PYBD_SF2 and PYBD_SF6:
buf = bytearray(16)
machine.I2CTargetMemory("X", addr=67, mem=buf)
Signed-off-by: Damien George <damien@micropython.org >
2025-08-01 23:03:17 +10:00
Damien George
78d16672e1
stm32/i2cslave: Account for slow addr_match callback.
...
Signed-off-by: Damien George <damien@micropython.org >
2025-08-01 23:03:17 +10:00
Damien George
2443878bd9
stm32/i2cslave: Support i2c_slave_process_tx_end callback on F4.
...
The rounds out the F4 implementation to match the other supported MCUs.
Signed-off-by: Damien George <damien@micropython.org >
2025-08-01 23:03:17 +10:00
Damien George
17d0449ac8
stm32/i2cslave: Add functions to read/write I2C data.
...
Instead of requiring the callback to consume/provide the data. This allows
the data to be consumed/provided later on, which will stretch the I2C clock
until that occurs.
Signed-off-by: Damien George <damien@micropython.org >
2025-08-01 23:03:17 +10:00
Damien George
a4ca42f094
stm32/i2cslave: Change irq handler name to i2c_slave_irq_handler.
...
Remove the "ev" part, so this handler can be generalised to also handle
error IRQs.
Signed-off-by: Damien George <damien@micropython.org >
2025-08-01 23:03:17 +10:00
Damien George
9b1778fc77
stm32/i2c: Move I2C IRQ handlers from stm32_it.c to i2c.c.
...
And add MP_STATIC_ASSERT to statically check that the IRQ names are correct
on the MCU that it's compiled for.
Signed-off-by: Damien George <damien@micropython.org >
2025-08-01 23:03:17 +10:00
Jeff Epler
87b7a9d734
stm32: Add casts when printing small integers.
...
All these arguments are of type `mp_{u,}int_t`, but the actual value is
always a small integer. Cast it so that it can format with the `%d/%u`
formatter.
Before, the compiler plugin produced an error in the PYBD_SF6 build, which
is a nanboxing build with 64-bit ints.
Signed-off-by: Jeff Epler <jepler@gmail.com >
2025-07-25 11:01:16 +10:00
Jeff Epler
7493275918
py/mpconfig,ports: Define new HEX_FMT formatting macro.
...
Signed-off-by: Jeff Epler <jepler@gmail.com >
2025-07-25 10:55:28 +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
Yoctopuce dev
df05caea6c
shared/timeutils: Standardize supported date range on all platforms.
...
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This is code makes sure that time functions work properly on a
reasonable date range, on all platforms, regardless of the epoch.
The suggested minimum range is 1970 to 2099.
In order to reduce code footprint, code to support far away dates
is only enabled specified by the port.
New types are defined to identify timestamps.
The implementation with the smallest code footprint is when
support timerange is limited to 1970-2099 and Epoch is 1970.
This makes it possible to use 32 bit unsigned integers for
all timestamps.
On ARM4F, adding support for dates up to year 3000 adds
460 bytes of code. Supporting dates back to 1600 adds
another 44 bytes of code.
Signed-off-by: Yoctopuce dev <dev@yoctopuce.com >
2025-07-09 11:54:21 +10:00
Damien George
99740dbace
stm32/stm32.mk: Error out if compiling for cortex-m55 on old gcc.
...
Signed-off-by: Damien George <damien@micropython.org >
2025-07-08 16:28:58 +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
7016900fbe
stm32/spi: Fail spi_init if pins can't be configured.
...
Follows the UART and I2C drivers.
Signed-off-by: Damien George <damien@micropython.org >
2025-07-08 16:25:14 +10:00
Damien George
acb294f61a
stm32/mboot: Add support for STM32N6xx MCUs.
...
Works in the usual USB DFU mode, and can program external SPI flash. It
will enable XSPI memory-mapped mode before jumping to the application
firmware in the external SPI flash.
Signed-off-by: Damien George <damien@micropython.org >
2025-07-08 16:25:14 +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
959e910366
stm32/lwip_inc: Increase lwIP memory on N6.
...
Signed-off-by: Damien George <damien@micropython.org >
2025-07-08 16:25:14 +10:00
iabdalkader
eaed2518fa
stm32/main: Disable D-cache when debugging N6.
...
See ST Errata ES0620 - Rev 0.2 section 2.1.2.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com >
2025-07-08 16:25:10 +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
Yuuki NAGAO
eaffbacb10
stm32/machine_adc: Add machine.ADC implementation for STM32L1.
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Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-07-08 14:01:41 +10:00
Matt Trentini
42cfa7cdae
stm32/dma: Extend STM32H5 DMA use to SPI3 and SPI4.
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Attempting to configure SPI3 and SPI4 for the STM32H5 would fail with a
linker error. This patch resolves that, ensuring that appropriate DMA
channels are assigned to those SPI resources.
Signed-off-by: Matt Trentini <matt.trentini@gmail.com >
2025-07-08 13:57:58 +10:00
Yuuki NAGAO
f3c56c81ea
stm32/irq: Change SPI IRQ priority to be higher than DMA IRQ.
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On STM32H5/STM32H7, SPI flash cannot use as storage device with DMA. SPI
interruption may not be genearated even if DMA transfer has been done.
This is due to lower priority of SPI interruption than DMA.
This commit changes SPI interrupt priority more higher than DMA's priority.
Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com >
2025-07-08 13:52:22 +10:00
