Commit Graph

218 Commits

Author SHA1 Message Date
Josip Šimun Kuči
7357fc583b esp32/boards/SOLDERED_NULA_MINI: Add new board definition.
Add support for the upcoming Soldered NULA Mini ESP32C6 board by Soldered
Electronics.

Signed-off-by: Josip Šimun Kuči <josipsimunkuci@gmail.com>
2025-12-01 14:32:35 +11:00
Vincent1-python
50a06b6404 esp32/boards/ESP32_GENERIC_P4: Add board definition for ESP32P4.
Includes a base variant with LAN, and C5_WIFI and C6_WIFI variants with
LAN, WiFi and BLE.

And builds this board in the esp32 CI, to cover the P4 support.

Signed-off-by: Vincent1-python <pywei201209@163.com>
Signed-off-by: Angus Gratton <angus@redyak.com.au>
Signed-off-by: Damien George <damien@micropython.org>
2025-12-01 13:08:52 +11:00
Vincent1-python
e6f1f78713 esp32: Add support for ESP32-P4.
This commit adds support for ESP32-P4 SoCs.

Signed-off-by: Vincent1-python <pywei201209@163.com>
Signed-off-by: Angus Gratton <angus@redyak.com.au>
Signed-off-by: Damien George <damien@micropython.org>
2025-12-01 13:08:52 +11:00
Angus Gratton
4f193132d2 esp32: Remove dependency on esp_tinyusb.
Instead, depend directly on espressif/tinyusb component
(which is otherwise transitively included via esp_tinyusb).

Turns out esp_tinyusb builds a bunch of source files with
symbols that conflict with our tinyusb symbols (i.e.
descriptors_control.c).

This only works because nothing in MicroPython causes the linker to include
the esp_tinyusb.a library, however in order to override the dcd_int_handler
(in following commit) this caused the linker to pull this library in and
break the build.

There's also a problematic header skew - TinyUSB component was building
with the tusb_config.h file from esp_tinyusb component, but we have our own
tusb_config.h file in shared/tinyusb. The changes in parent commit allow
us to build the TinyUSB component with our tusb_config.h header.

User-facing impacts are:

- Can no longer override USB VID & PID via sdkconfig, have to set
  MICROPY_HW_USB_VID/PID instead (changes applied in this commit).

- esp32 boards will have the same USB serial number as other ports
  (i.e. based on the hardware MAC address, not hard-coded).

Side effects include:

- CFG_TUD_DWC2_SLAVE_ENABLE is now set, DMA mode is disabled.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-11-19 12:12:54 +11:00
yuan_mo
30c74fc3b4 esp32/boards: Add ESP32_GENERIC_C5 board definition.
Signed-off-by: yuan_mo <2286087148@qq.com>
2025-11-17 13:57:38 +11:00
Elvis Pfutzenreuter
2a3b9b0b4b esp32/esp32_rmt: Update RMT module to use the new RMT API.
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The current `esp32.RMT` class uses a legacy API from ESP-IDF 4.x.  The
ESP-IDF 5.x offers a new API, which is overall better, and easier to
implement the RX side in the future.  This commit updates the module and
the documentation, preserving the current MicroPython RMT API as much as
possible.

The bitstream RMT implementation was updated as well, since ESP-IDF does
not allow firmware to reference legacy and new APIs at the same time (it
resets right after boot with an error message, even if neither module is
imported).

The documentation is updated accordingly.

Signed-off-by: Elvis Pfutzenreuter <elvis.pfutzenreuter@gmail.com>
2025-11-17 10:45:19 +11:00
Patrick Van Oosterwijck
27544a2d81 esp32/boards: Add Silicognition ManT1S board definition.
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New board planned to be launched on Crowd Supply in late 2025.  ESP32-based
core module with IEEE 802.3cg 10BASE-T1S Single Pair Ethernet networking
and power distribution over data lines.

Signed-off-by: Patrick Van Oosterwijck <patrick@silicognition.com>
2025-11-13 14:35:05 +11:00
Angus Gratton
9999553aae esp32/boards: Apply additional IRAM savings.
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Saves approx 19KB on ESP32-C6 and 11KB on ESP32-C2, meaning IDF V5.5.1
builds now have more free RAM than V5.4.2.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-10-17 12:35:29 +11:00
Damien George
0f49a1d240 esp32: Update to use ESP-IDF v5.5.1.
Tested with ESP32_GENERIC, ESP32_GENERIC_C3, ESP32_GENERIC_C6 and
ESP32_GENERIC_S3 firmware, using the full test suite.  There do not seem to
be any regressions.

Signed-off-by: Damien George <damien@micropython.org>
2025-10-17 12:33:02 +11:00
Florent
cfea71da50 esp32/boards: Add new board variant for esp32c2 devices with 2MiB flash.
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Factors out the space-saving config options from `sdkconfig.d2wd` to a new
`sdkconfig.flash_2MiB` file, and uses that in the new C2 FLASH_2M variant.

Signed-off-by: Florent <florent@frizoncorrea.fr>
2025-10-15 23:58:56 +11:00
Jimisola Laursen
704c70c5bb esp32/boards: Enable I2S for ESP32_GENERIC_C6 and other C6 boards.
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I2S works on the ESP32-C6, and it now has enough space to fit.

Signed-off-by: Jimisola Laursen <jimisola@jimisola.com>
Signed-off-by: Damien George <damien@micropython.org>
2025-08-29 14:00:30 +10:00
Angus Gratton
9a9cc79422 esp32/boards: Build ESP32-C2 and C3 with -Os instead of -O2.
Same optimisation that was applied to C6 in the parent commit, now applied
to all RISC-V boards.

    +------------+------------+------------+------------+
    | Size       | Before     | After      | Delta      |
    +------------+------------+------------+------------+
    | C2 Binary  | 1680384    | 1494224    | -186160    |
    | C2 D/IRAM  |   83710    |   79080    |   -4630    |
    | C3 Binary  | 1833328    | 1636624    | -196704    |
    | C3 D/IRAM  |  139608    |  131896    |   -7712    |
    +------------+------------+------------+------------+

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-08-29 13:35:53 +10:00
Angus Gratton
5b98126c21 esp32/boards: Reduce flash usage of ESP32-C6 boards.
Reduces ESP32_GENERIC_C6 application flash size from 2024432 to
1813216 (206KB smaller).

Also has benefit of reducing D/IRAM size, increasing free memory at
runtime (167187 to 148584, -18603 bytes).

Most of this savings comes from building with -Os instead of -O2,
but about 10KB comes from using the SPI flash functions from the ROM.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-08-29 13:35:48 +10:00
Daniël van de Giessen
1273751a3b esp32: Support building against IDFv5.5.
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Signed-off-by: Daniël van de Giessen <daniel@dvdgiessen.nl>
2025-08-11 12:23:02 +10:00
Jonathan Hogg
c3f3339c87 esp32/modesp32: Add esp32.PCNT class.
Add a new `esp32.PCNT` class that provides complete, low-level support to
the ESP32 PCNT pulse counting hardware units.

This can be used as a building block to implement the higher-level
`machine.Counter` and `machine.Encoder` classes.

This is enabled by default on all OG, S2, S3, C6 boards, but not on C3 (as
the PCNT peripheral is not supported).

Original implementation by: Jonathan Hogg <me@jonathanhogg.com>

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-08-01 23:45:18 +10:00
Damien George
7bc83afee2 esp32/machine_i2c_target: Implement I2CTarget class.
Only soft IRQs are supported.

Signed-off-by: Damien George <damien@micropython.org>
2025-08-01 23:03:17 +10:00
Angus Gratton
d4399b3230 esp32: Fix first line ESP32-C2 serial output after reset or deepsleep.
ESP32-C2 ROM prints at 74880bps (same as ESP8266), so need a newline
before first MicroPython output to avoid it being appended on end of
a line of noise.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-07-30 10:51:29 +10:00
Angus Gratton
77c9eb7795 esp32: Add "Free RAM" optimisation config flags.
This is necessary for ESP32-C2 Wi-Fi & BT to work reliably (and for TLS to
work at all). On IDF 5.4.2 the free static RAM goes from 60KB to 100KB, and
there will also be a reduction in lwIP & Wi-Fi memory use at runtime.

The performance trade-off seems low for most use cases, although it will
probably be significant for certain combinations of load (i.e. heavy
TCP/IP, heavy BT throughput, and some peripheral driver functions).

Added as a set of config flags because this is potentially useful on other
SoCs where the goal is to maximise RAM available for MicroPython.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-07-30 10:51:29 +10:00
TianShuang Ke
ca9916968c esp32: Add support for ESP32-C2 (aka ESP8684).
Includes:
esp32/esp32c2: Adapt to target chip ESP32C2.
esp32/esp32c2: Fix heap size is too small to enable Bluetooth.

Signed-off-by: TianShuangKe <qinyun575@gmail.com>
Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-07-30 10:51:29 +10:00
Garatronic
b4b7c0a003 esp32/boards/GARATRONIC_PYBSTICK26_ESP32C3: Add pybstick26-esp32c3 defn. 2025-06-26 10:44:48 +10:00
Damien George
6201e77999 esp32/boards: Convert all boards to auto detect flash size.
Remove the "vfs" entry from all partitions-*.csv files, and then remove
duplicated files.

And remove the ESP32_GENERIC_S3-FLASH_4M variant, because it's no longer
needed.

Signed-off-by: Damien George <damien@micropython.org>
2025-06-14 01:06:12 +10:00
purewack
5f058e9863 esp32: Update ADC driver update to the new esp_adc API.
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This commit updates the ADC to use the new driver `esp_adc/adc_oneshot.h`.

There are several errata notes about not being able to change the bit-width
of the ADCs certain chips.  The only chip that can switch resolution to a
lower one is the normal ESP32.  ESP32 C2 and S3 are stuck at 12 bits, while
S2 is at 13 bits.

On the S2, you can change the resolution, but it has no effect on the
resolution, rather, it prevents attenuation from working at all!

The resolution is set to the maximum possible for each SoC, with the ESP32
being the only one not throwing errors when trying to set the bit-width to
9, 10, 11 or 12 bits using `ADC.width(bits)`.

Signed-off-by: Damian Nowacki (purewack) bobimaster15@gmail.com
2025-06-05 17:01:51 +10:00
Matt Trentini
3e33d0567f ports: Update board.json files for vendor/product consistency.
The vendor and product fields in the `board.json` files were somewhat
inconsistent.  Remove any duplication of the vendor name in the product
field so that `f"{vendor} {product}"` reads well.

In addition to that, update most of the URL's for `board.json` files that
are modified here, and match case and spacing used by the manufacturers for
the vendor and product names.

Signed-off-by: Matt Trentini <matt.trentini@gmail.com>
2025-06-04 01:47:59 +10:00
Malcolm McKellips
dc1af386a8 esp32/boards/SPARKFUN_IOT_REDBOARD_ESP32: Add SparkFun board.
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Add board definition files for SparkFun IoT RedBoard ESP32.

Signed-off-by: Malcolm McKellips <malcolm.mckellips@sparkfun.com>
2025-05-22 10:37:38 +10:00
Damien George
e1ab04e820 esp32/mpthreadport: Fix double delete of tasks on soft reset.
Python threads (created via the `_thread` module) are backed by a FreeRTOS
task.  Managing the deletion of the task can be tricky, and there are
currently some bugs with this in the esp32 port.

The actual crash seen was in FreeRTOS' `uxListRemove()`, and that's because
of two calls to `vTaskDelete()` for the same task: one in
`freertos_entry()` when the task ran to completion, and the other in
`mp_thread_deinit()`.  The latter tried to delete the task a second time
because it was still in the linked list, because `vTaskPreDeletionHook()`
had not yet been called.  And the reason `vTaskPreDeletionHook()` was yet
to be called is because the FreeRTOS idle task was starved.

This commit fixes that.

There are three things done by this commit:
- remove the `vTaskPreDeletionHook`, it's not needed anymore because task
  stack memory is allocated by the IDF, not on the MicroPython heap
- when a task finishes it now removes itself from the linked list, just
  before it deletes itself
- on soft reset, all tasks are deleted and removed from the linked list in
  one swoop (while the mutex is held)

Signed-off-by: Damien George <damien@micropython.org>
2025-05-16 13:31:34 +10:00
Angus Gratton
464121f301 esp32/boards: Enable machine.SDCard on all boards.
This increases binary size by about 4KB on C3, probably a bit less on S2.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-03-13 12:27:39 +11:00
Angus Gratton
4d65b4e261 esp32: Remove the ESP32 ringbuffer linker workaround.
Reverts workaround added in acbdbcd9.

According to the linked ESP-IDF issue this was only a problem for ESP-IDF
V5.0.x, and support for versions older than V5.2 was dropped in 6e5d8d009.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-03-13 11:33:10 +11:00
Keenan Johnson
321b30ca56 extmod/modtls_mbedtls: Wire in support for DTLS.
This commit enables support for DTLS, i.e. TLS over datagram transport
protocols like UDP.  While support for DTLS is absent in CPython, it is
worth supporting it in MicroPython because it is the basis of the
ubiquitous CoAP protocol, used in many IoT projects.

To select DTLS, a new set of "protocols" are added to SSLContext:
- ssl.PROTOCOL_DTLS_CLIENT
- ssl.PROTOCOL_DTLS_SERVER

If one of these is set, the library assumes that the underlying socket is a
datagram-like socket (i.e. UDP or similar).

Our own timer callbacks are implemented because the out of the box
implementation relies on `gettimeofday()`.

This new DTLS feature is enabled on all ports that use mbedTLS.

This commit is an update to a previous PR #10062.

Addresses issue #5270 which requested DTLS support.

Signed-off-by: Keenan Johnson <keenan.johnson@gmail.com>
2025-02-14 12:55:25 +11:00
StrayCat
9d0a5ac7e9 esp32/boards: Enable I2S on ESP32C3 boards.
Signed-off-by: StrayCat <marcin.eu@gmail.com>
2025-02-08 12:06:33 +11:00
Angus Gratton
6fc18ec647 esp32/boards: Update the product name for some UM boards.
The previous deploy.md refactors revealed that these boards had a different
"product" entry in boards.json compared to the name given in the board.md
file.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-01-17 16:53:44 +11:00
Angus Gratton
600e46800d docs/esp32: Update tutorial flashing steps to match deploy.md.
Includes fixing the flashing address for newer SoCs, as reported in
discussion https://github.com/orgs/micropython/discussions/16417

Also removes some redundant or out of date information, and adds links to
the Espressif esptool docs which are quite comprehensive.

Information about ESP32_GENERIC variants is moved to the board page, as it
only applies to that board.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-01-17 16:03:45 +11:00
Angus Gratton
d89e71e6c0 tools/autobuild,esp32: Template the generation of esp32 port deploy.md.
Allows two source files (ports/esp32/boards/deploy.md and
deploy_nativeusb.md for boards with only native USB) for all esp32
installation steps, with templated chip name and flash offset inserted via
string formatting.

The new files add more text to explain the esptool.py port auto-detection,
remove the unnecessary -z feature (already enabled by default), and add
a bit of troubleshooting and port detection info.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-01-17 16:03:45 +11:00
Damien George
ca71df0081 esp32/boards: Remove remaining "id" entries from board.json.
This entry was originally used to override the firmware filenames generated
by the build server, but these days all filenames should match the board
directory name.  So, remove the "id" entry and let the default be used.

This is a follow-up to 1a99f74063 (these
three boards were added after that change).

Signed-off-by: Damien George <damien@micropython.org>
2025-01-15 16:48:10 +11:00
Angus Gratton
d90aff5e13 esp32: Remove IDF-version-specific sdkconfig.
This reverts commit 27279e69b4
(plus removes some additional references to the
SDKCONFIG_IDF_VERSION_SPECIFIC CMake variable.)

Relevant sdkconfig options are added into sdkconfig.base now
that IDF >=5.2.0 is required.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2024-12-10 23:21:46 +11:00
Angus Gratton
285e1d0b80 esp32: Use the recommended network.WLAN.IF_[AP|STA] constants.
Removes the deprecated network.[AP|STA]_IF form from the esp32 port

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2024-11-08 10:11:03 +11:00
Damien George
44ed1c20ce esp32: Disable hardware stack protection on ESP32-C6.
The same as fee9d66e3a but for C6.

Fixes issue #15667.

Signed-off-by: Damien George <damien@micropython.org>
2024-10-11 12:53:10 +11:00
Angus Gratton
82e69df33e esp32: Apply the LWIP active TCP socket limit.
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This is a workaround for a bug in ESP-IDF where the configuration setting
for maximum active TCP sockets (PCBs) is not applied.

Fixes cases where a lot of short-lived TCP connections can cause:

- Excessive memory usage (unbounded number of sockets in TIME-WAIT).
- Much higher risk of stalled connections due to repeated port numbers. The
  maximum number of active TCP PCBs is reduced from 16 to 12 to further
  reduce this risk (trade-off against possibility of TIME-WAIT
  Assassination as described in RFC1337).

This is not a watertight fix for the second point: a peer can still reuse a
port number while a previous socket is in TIME-WAIT, and LWIP will reject
that connection (in an RFC compliant way) causing the peer to stall.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2024-10-10 17:55:03 +11:00
Andrew Leech
55dc482d3e esp32/sdkconfig: Disable PMP_IDRAM_SPLIT to fix native emit support.
Signed-off-by: Andrew Leech <andrew@alelec.net>
2024-10-09 23:34:27 +11:00
Matt Trentini
ce397d85af esp32/boards/UM_TINYC6: Add new UM C6 board definition.
Signed-off-by: Matt Trentini <matt.trentini@gmail.com>
2024-10-09 23:32:47 +11:00
Matt Trentini
ee92198c8a esp32/boards/M5STACK_NANOC6: Add new M5Stack C6 board definition.
Signed-off-by: Matt Trentini <matt.trentini@gmail.com>
2024-10-09 23:32:26 +11:00
Andrew Leech
1bd312d737 esp32/boards/ESP32_GENERIC_C6: Add new generic esp32c6 board.
Signed-off-by: Andrew Leech <andrew@alelec.net>
2024-10-09 23:32:10 +11:00
Andrew Leech
6d799378ba esp32: Add support for esp32c6.
This commit adds general support for ESP32-C6 SoCs.

Signed-off-by: Andrew Leech <andrew@alelec.net>
2024-10-09 23:29:38 +11:00
Andrew Leech
11bc7d0fc1 esp32/boards: Update ARDUINO_NANO_ESP32 USB configuration.
The custom line state handling is no longer needed as MicroPython runs it
directly now.

Signed-off-by: Andrew Leech <andrew@alelec.net>
2024-10-07 11:06:57 +11:00
Andrew Leech
5ae622ef7b esp32: Add automatic bootloader handling for S2 and S3.
Enables support for the ESP standard DTR/RTS based reboot to bootloader.

Switches from OTG to Serial/Jtag mode to workaround issue discussed
in: https://github.com/espressif/arduino-esp32/issues/6762

Signed-off-by: Andrew Leech <andrew@alelec.net>
2024-10-07 11:06:57 +11:00
Seon Rozenblum
b08ddbba59 esp32/boards/UM_RGBTOUCH_MINI: Fix compile error with missing modules.
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Signed-off-by: Seon Rozenblum <seon@unexpectedmaker.com>
2024-09-20 15:57:52 +10:00
shiggy
6c73573b34 esp32/boards/OLIMEX_ESP32_EVB: Add Olimex ESP32 EVB board definition.
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This is for boards not covered by the Olimex ESP32 PoE implementation.  The
major setting is about the PHY interface configuration.

Tested with esp-idf v5.0.4 and Olimex ESP32 EVB boards.

Signed-off-by: shiggy <mail@shiggytech.de>
2024-09-19 15:56:27 +10:00
Seon Rozenblum
9b5f99eb59 esp32/boards: Add UM_OMGS3 and UM_RGBTOUCH_MINI board definitions.
This adds two new UM boards: OMGS3 and RGB Touch Mini.  Also fixed the
NanoS3 deploy info.

Signed-off-by: Seon Rozenblum <seon@unexpectedmaker.com>
2024-09-19 15:13:35 +10:00
Seon Rozenblum
d775db72b9 esp32/boards/UM_FEATHERS3NEO: Add FeatherS3 Neo board definition.
Signed-off-by: Seon Rozenblum <seon@unexpectedmaker.com>
2024-09-19 15:06:04 +10:00
Angus Gratton
fee9d66e3a esp32: Disable hardware stack protection on ESP32-C3.
Workaround for what appears to be an upstream issue:
https://github.com/espressif/esp-idf/issues/14456

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2024-09-04 15:15:26 +10:00
Angus Gratton
a6c35aeee8 esp32: Fix ARDUINO_NANO_ESP32 build configuration.
Regression introduced by 5e692d04 now at MICROPY_HW_USB_CDC is set.

The ARDUINO_NANO_ESP32 specifically builds shared/tinyusb/mp_usb_cdc.c
for the 1200bps reset behaviour. However MicroPython esp32 doesn't yet
use the rest of the shared/tinyusb functionality.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2024-09-04 11:06:21 +10:00