The Zephyr Podcast

ST's new STM32G5 series, with Zephyr support in review Nordic's nRF71 series, its first SoC with Wi-Fi 6 on chip An AI review workflow for pull requests (in review), built on the Zephyr review agent heatshrink, a compression library for embedded, as an external module A non-atomic bitmap API A GPIO strap backend for OTP, to read a board's revision Low latency and USB ID lookup for native_tty Per-register callbacks for I2C target devices Rapid Spanning Tree Protocol for the Ethernet bridge NXP FRDM-MCXE32B, dual Cortex-M7 Seeed XIAO Display Gadgets shields The FOSDEM 2027 call for papers, deadline 16 November

The FOSDEM 2027 call for talks is open, including the Embedded & Resource-Constrained OS devroom (deadline 16 November) What's New in Zephyr 4.5? Linus Torvalds' GuitarPedal, with a Zephyr-based nRF54 radio CODE_ASSUME() and device identity promises (in review) Devicetree node and property sorting, enforced by dts-linter Setting up NAT on the host for Internet access L2-only Ethernet builds, without IP (in review) A libFuzzer harness for the DHCPv4 server The KR920 region for the native LoRaWAN stack A Bluetooth HID Service A virtual HCI controller over Unix sockets (in review) AMS AS7341 11-channel spectral sensor TDK InvenSense ICM-20948 9-axis IMU AXS5106L touch controller (in review) A native_sim fuel gauge backed by your laptop's battery An LED strip cache driver Seeed XIAO nRF52840 (Sense) Plus ADI-based MikroE Click shields PineDio USB-C Zigbee dongle, with a Bouffalo Lab BL706 Upcoming Zephyr meetups

OpenDial, a DIY surface dial and hi-res scroll wheel running Zephyr FOSDEM 2027 will have an Embedded & Resource-Constrained OS devroom Linux kernel developers plan to drop the Assisted-by tag requirement Clang Thread Safety Analysis for the kernel (in review) A proposed basic_radio driver API for packet radios, from TI Per-register callbacks for I2C target devices (in review) The WCH CH446 analog crosspoint switch Jumperless V5, and its creator on Embedded.fm 532 Ollama, for running open models locally Zsign, an encrypted key vault for signing MCUboot images The Zephyr meetup in Dublin, 29 October

Zephyr support coming to PX4 (open source drone autopilot) The Gboard Conveyor Belt Version, from Google Japan The Framework Wireless Touchpad Keyboard is up for pre-order, with an nRF54LM20 and ZMK Muse Gadgets, ESP32 and Raspberry Pi devices for Meta's Muse agent Zephyr on the Nokia N900, by Anas Nashif An OpenAI engineer arrested for allegedly bugging an executive conference room with an ESP32-S3 board Zephyr moves to LVGL v9.6 New net_buf documentation, with diagrams Tests for the LoRa shell, with a fake LoRa driver Networking throughput changes reported on pull requests Memref, memory reference counting (in review) A text terminal on the display for the console, logs and shell (in review) A proposed relay subsystem The Zephyr meetup in Dublin, 29 October

The first Zephyr Maintainers Forum The Zephyr Community Awards winners Zephyr Network Buffers, Johan Hedberg Fake Drivers: A Practical Guide To Zephyr Test Doubles, Henrik Brix Andersen Where Zephyr Fits in Space Computer Architecture and From TTEthernet To TSN on Zephyr, Yasushi Shoji Network Subsystem Status and Overview, Jukka Rissanen USB Development and Testing on Native Simulator, Johann Fischer A Generic RF PHY Driver API for Proprietary Protocols in Zephyr, Sean Lyons Libiio on Zephyr, Maureen Helm and Pete Johanson Linus Torvalds in conversation with Dirk Hohndel A Native API for Linux Systems With Systemd + Varlink, Lennart Poettering The Framework Wireless Touchpad Keyboard, running ZMK Next stop: Vancouver, May 2027

Three picks from the ZDS schedule: USB Development and Testing on Native Simulator, Network Subsystem Status and Overview and From Zero Hardware To Production: High-Performance Sensors With Zephyr TI and Infineon upgrade to Platinum membership Git 2.56 adds git history drop CMSIS-Zephyr, examples for the Arm CMSIS Debugger and Keil Studio with Zephyr Price increases for the 2GB Raspberry Pi 4 and Raspberry Pi 5 Zephyr's hardening tool gains in modularity and provides clearer recommendations ns_to_cyc_at_hz(), compile-time nanoseconds to cycles at a given frequency Generic reference-counted objects A Coccinelle script for migrating to ZASSERT The MediaTek Genio 700 and Genio 510 EVKs, with Zephyr on a Cortex-A55 WisBlock platform support The Pebble Round 2, a SiFli SF32LB52 smartwatch with a round display The M5Stack StackChan, an ESP32-S3 desktop robot The network conformance suites now run nightly iperf3 support in zperf fota_http, firmware updates over HTTP(S) into MCUboot USB host hub class support An MCX backend for the SWD bit-bang driver The native_sim video source is merged A driver for the TSM12 capacitive touch sensor The TI TPS62873, a stackable 15 A buck converter The ST VL53L5CX multizone time-of-flight sensor GFSK modulation for LoRa transceivers

Canonical's Zephyr 26.04 LTS, with up to 15 years of security maintenance The Zephyr docs assistant, also available as an MCP server for your editor Raspberry Pi locks boards to their factory RAM capacity mpipe gains player utilities and base plugins A native_sim video source A semihosted flash driver, backed by a file on the host A LIN driver API FIDO2 over BLE DMA2D direct rendering on all applicable STM32 families A driver for the ADS1262 and ADS1263 32-bit ADCs The ADV7535 MIPI DSI to HDMI bridge ZASSERT, a per-file / per-module assertion facility The network stack tested against the standards with TTCN-3 An SNTP server library A native_sim Wi-Fi driver using the host's nl80211 TCP now reports received data with SACK The Tang Mega 138K Pro Dock, a Gowin FPGA with a hard RISC-V core The embedded world Conference call for papers closes 28 September

Three more picks from the ZDS schedule: A Generic RF PHY Driver API for Proprietary Protocols, Where Zephyr Fits in Space Computer Architecture, and Playing Audio on a SoC DAC Output An RFC for an Automotive & Off-Highway Working Group, comments welcome USBTMC, the USB test and measurement class native_sim on macOS Qualcomm Hexagon, the DSP in your Snapdragon, is now an architecture Zephyr supports So is Infineon TriCore and AURIX A multimedia pipeline subsystem Build-time device class enumeration: ask devicetree for every device of a given class in one macro A generic emulated sensor Deep sleep and suspend-to-RAM on the RP2350 An NVMEM backend for hwinfo The  Infineon T2G-C2-D-6M, a dual Cortex-M7 plus M0+ aimed at head-up displays The ZedBoard, a Zynq-7000 FPGA monster The DHSBC STM32MP255C: dual A35, M33 and M0+, 4 GB of RAM and Wi-Fi 6 The BeagleBone AI-64, dual A72 plus a Cortex-R for Zephyr The Shrike-fi, an ESP32-S3 next to a Renesas FPGA The XIAO STM32C5, a 144 MHz M33 in the small XIAO footprint

Three picks from the ZDS schedule: Ten Years of Zephyr: Replace Linux, or Work With It?, Zephyr Network Buffers, and the Linus Torvalds keynote Analog Devices to acquire Alif Semiconductor A Plantower PMSA003I driver, for PM1.0, PM2.5 and PM10 over I2C QEMU support for the Espressif DevKitC boards SMP freeze/thaw in coredump, capturing every CPU's registers at panic Modbus RX on a dedicated workqueue, so it stops sleeping in the system one A script to convert CTF traces to Perfetto, no Babeltrace required USB host mass storage, still in progress Power management for the STM32U3 WebAssembly Micro Runtime is now documented as a Zephyr module An ADIN1140 driver: single-pair Ethernet, MAC and PHY in one part, over SPI The Arduino Nano R4, a Cortex-M4 in the classic Nano footprint

The Dato DUO and the Teenage Engineering catalogue: lovely open-firmware noise machines that do not run Zephyr ...yet! Using the pytest harness in Twister to coordinate a device under test with its jig Seven new Silver members, and roughly 500 unique contributors to the tree last month Arduino Core for Zephyr reaches 1.0, running on Zephyr 4.4.1 The Zephyr Maintainers Forum agenda is out SPI now using inclusive language A VirtIO I2C adapter driver A Pugh skip list timeout backend The SDL input driver now reports the mouse wheel and extra buttons TFTP shell support Applets, a proposed subsystem for startable, stoppable sub-applications S1G bands and bandwidths (Wi-Fi HaLow) The UDOO KEY now supports its RP2040 as well as its ESP32 ROSCon in Toronto, and the Zephyr robotics working group Six Zephyr meetups over the next month: Amsterdam, Zurich, Stuttgart, Moonachie, New Jersey, Munich and Bucharest