cores: arduino: Bump to 0.53.1#153

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soburi wants to merge 44 commits intozephyrproject-rtos:nextfrom

soburi:bump_to_arduino_repo

Commits on Feb 5, 2026

digitalPins: take into account boards without gpios

facchinm
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soburi
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main.cpp: support loading via llext

facchinm
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soburi
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Implement SerialUSB

facchinm
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soburi
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Fixes for proper core compatibility

facchinm
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soburi
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temp_bugfix: make serialEventRun symbol appear if CDC is not defined

facchinm
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soburi
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Serial: fix long write()

facchinm
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soburi
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Some Serial object fixes...

KurtE
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soburi
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SerialX.flush() - now wait until TC Complete

KurtE
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soburi
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core: prerequisites for ArduinoBLE

facchinm
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soburi
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core: add time related macros

facchinm
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soburi
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analogWrite: implement DAC pins

facchinm
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soburi
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new: add rewrites for c++17

facchinm
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soburi
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Implement analogReadResolution

KurtE
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soburi
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zephyrSerial.h - reduce compiler warnings

KurtE
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soburi
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USB: fix corner case when cdc_acm is in dt and CONFIG_CDC is disabled

facchinm
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soburi
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enable static threads

mjs513
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soburi
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Nano 33 BLE - enable the SPI1 sensors

KurtE
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soburi
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Add call to initVariant in main move ble sense to variant.cpp

KurtE
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soburi
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TEMP: get rid of serialEvent

facchinm
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soburi
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wip: linked build

facchinm
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soburi
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usb: start supporting USB_DEVICE_STACK_NEXT

facchinm
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soburi
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SerialUSB: create SerialUSB object only if CONFIG_USB_CDC_ACM=y

facchinm
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soburi
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cores/arduino: warning squash

pillo79
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soburi
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If sketch is not connected to serial - dump serial output

KurtE
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soburi
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Fix micros() for nano without breaking giga

KurtE
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soburi
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serial: add missing include

facchinm
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soburi
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SerialUSB: fix missing overload after #123

facchinm
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soburi
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Arduino.h: fix DIGITAL_PIN_EXISTS macro to avoid comment expansion issues

pillo79
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soburi
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linker: forcefully remove exceptions and pack sections

facchinm
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soburi
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loader: impl: add some libc/::std functions

facchinm
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soburi
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cores/arduino/abi: squash warning

pillo79
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soburi
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ZephyrCommon: allow boards without any ADC channel configured

facchinm
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soburi
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make internal arduino_adc array static

facchinm
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soburi
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core: serial: fix availableForWrite()

silabs-bozont
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soburi
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core: restore core-as-zephyr-module functionality

facchinm
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soburi
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misc: Format repo using clang-format.

iabdalkader
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soburi
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unoq: implement analogReference

facchinm
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soburi
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core: add macro to find pins by node

sebromero
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soburi
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cores: Remove redundant k_thread_start() calls for static threads.

iabdalkader
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soburi
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nano_matter: add initial support for the Arduino Nano Matter

silabs-bozont
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soburi
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static_build: fix bss initialization

facchinm
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soburi
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usb: refactor USBD_NEXT and implement 1200bps touch

facchinm
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soburi
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core: implement weak loop hook

facchinm
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soburi
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portentac33: add sleep to avoid dfu protocol error

pennam
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soburi
committed