示例与演示

Zephyr 提供了丰富的示例与演示，展示内核及各个子系统的功能。

这些示例力求简单易懂，可作为开发自己的项目的起点。

欢迎向项目贡献新示例。有意提交示例时，请先阅读 Sample Definition and Criteria。

备注

下方列表按示例源码中的元数据自动汇总。尚未翻译的示例名称和简介保留英文， 点击后打开上游英文文档。已翻译的示例会打开本站中文页面。

• Basic SynchronizationManipulate basic kernel synchronization primitives.
• Dining PhilosophersImplement a solution to the Dining Philosophers problem using Zephyr kernel services.
• Hello World向控制台输出 "Hello World"。

应用开发

• 外部静态库将外部静态库接入 Zephyr 构建系统。
• 无需复制的代码重定位使用自定义链接脚本重定位代码段、数据段或 BSS 段。

Architecture-dependent Samples

MMU/MPU

• Memory Protection Unit (MPU)Use memory protection to prevent common security issues.

Symmetric Multiprocessing (SMP)

• SMP PiCalculate the first 240 digits of Pi on multiple execution units.
• SMP pktqueueUse SMP to process multiple packet headers in parallel.

Basic

• Basic thread manipulationSpawn multiple threads that blink LEDs and print information to the console.
• BlinkyBlink an LED forever using the GPIO API.
• ButtonHandle GPIO button inputs using the input subsystem.
• Fade LEDFade an LED using the PWM API.
• GPIO with custom Devicetree bindingUse custom Devicetree binding to control a GPIO.
• Minimal footprintMeasure Zephyr's minimal ROM footprint in different configurations.
• PWM BlinkyBlink an LED using the PWM API.
• PWM RGB LEDDrive an RGB LED using the PWM API.
• ServomotorDrive a servomotor using the PWM API.
• System hashmapInsert, replace, and remove entries in a hashmap.
• System heapPrint system heap usage to the console.

Bluetooth

• BeaconAdvertise an Eddystone URL using GAP Broadcaster role.
• BroadcasterPeriodically send out advertising packets with a manufacturer data element.
• BTHome sensor templateImplement a BTHome sensor.
• CentralImplement basic Bluetooth LE Central role functionality (scanning and connecting).
• Central / GATT WriteScan for a Bluetooth LE device, connect to it and write a value to a characteristic.
• Central MultilinkScan, connect and establish connection to up to 62 peripherals.
• Central OTCConnect to a Bluetooth LE peripheral that supports the Object Transfer Service (OTS)
• Central Periodic Advertising Sync Transfer (PAST)Use the Periodic Advertising Sync Transfer (PAST) feature as the sender.
• Channel SoundingUse Channel Sounding functionality.
• Cycling Speed and Cadence (CSC) PeripheralExpose a Cycling Speed and Cadence (CSC) GATT Service.
• Direct AdvertisingAdvertise directly to a bonded central device.
• Direction Finding CentralConnect to a Bluetooth LE Direction Finding peripheral and request Constant Tone Extension.
• Direction Finding Periodic Advertising BeaconImplement Bluetooth LE Direction Finding CTE Broadcaster functionality.
• Direction Finding Periodic Advertising LocatorImplement Bluetooth LE Direction Finding CTE Locator functionality.
• Direction Finding PeripheralImplement Bluetooth LE Direction Finding peripheral transmitting CTE in connected mode.
• DIS PeripheralExpose device information using the Device Information Service (DIS).
• EddystoneExport an Eddystone Configuration Service as a Bluetooth LE GATT service.
• Elapsed Time Service (ETS) PeripheralExpose an Elapsed Time Service (ETS) GATT Service.
• Encrypted AdvertisingUse the Bluetooth LE encrypted advertising feature.
• ESP PeripheralExpose environmental information using the Environmental Sensing Profile (ESP).
• Extended AdvertisingUse the Bluetooth LE extended advertising feature.
• HCI 3-wire (H:5)Expose a Bluetooth controller to another device or CPU over H5:HCI transport.
• HCI IPCExpose a Bluetooth controller to another device or CPU using the IPC subsystem.
• HCI Power ControlDynamically control the Tx power of a Bluetooth LE Controller using HCI vendor-specific commands.
• HCI SPIExpose a Bluetooth controller to another device or CPU over SPI.
• HCI UARTExpose a Bluetooth controller to another device or CPU over UART.
• HCI UART asyncExpose a Bluetooth controller to another device or CPU over asynchronous UART.
• HCI USBTurn a Zephyr board into a USB Bluetooth dongle (compatible with all operating systems).
• HCI Vendor-Specific Scan RequestUse vendor-specific HCI commands to enable Scan Request events when using legacy advertising.
• Health Thermometer (Central)Connect to a Bluetooth LE health thermometer sensor and read temperature measurements.
• Health Thermometer (Peripheral)Expose a Health Thermometer (HT) GATT Service generating dummy temperature values.
• Heart-rate Monitor (Central)Connect to a Bluetooth LE heart-rate monitor and read heart-rate measurements.
• Heart-rate Monitor (Peripheral)Expose a Heart Rate (HR) GATT Service generating dummy heart-rate values.
• HID PeripheralImplement a Bluetooth HID peripheral (generic mouse)
• iBeaconAdvertise an Apple iBeacon using GAP Broadcaster role.
• ISO (Central)Transfer isochronous data to a peer device using an isochronous channel as a central.
• ISO (Peripheral)Implement a Bluetooth LE Peripheral that uses isochronous channels.
• Isochronous BroadcasterUse the Bluetooth Low Energy Isochronous Broadcaster functionality.
• Isochronous Broadcaster BenchmarkMeasure packet loss and sync loss of an ISO broadcaster against one or more receivers.
• Isochronous Connected Channels BenchmarkMeasure packet loss and sync loss in connected ISO channels.
• L2CAP Connection Oriented Channels (Acceptor)Accept incoming L2CAP Connection Oriented Channel connections.
• L2CAP Connection Oriented Channels (Initiator)Initiate L2CAP Connection Oriented Channel connections and send data.
• MeshUse basic Bluetooth Mesh functionality.
• Mesh DemoImplement a Bluetooth Mesh demo application.
• Mesh ProvisionerProvision a node and configure it using the Bluetooth Mesh APIs.
• MTU UpdateConfigure and exchange MTU between two devices.
• Multiple BroadcasterAdvertise multiple advertising sets.
• ObserverScan for Bluetooth devices nearby and print their information.
• Periodic AdvertisingUse Bluetooth LE Periodic Advertising functionality.
• Periodic Advertising Connection Procedure (Initiator)Initiate a connection to a device using the Periodic Advertising Connection Procedure.
• Periodic Advertising Connection Procedure (Responder)Respond to periodic advertising and establish a connection.
• Periodic Advertising SynchronizationUse Bluetooth LE Periodic Advertising Synchronization functionality.
• Periodic Advertising Synchronization Transfer PeripheralUse the Periodic Advertising Sync Transfer (PAST) feature as the receiver.
• Periodic Advertising with Responses (PAwR) AdvertiserUse Bluetooth LE Periodic Advertising with Responses (PAwR) Advertiser functionality.
• Periodic Advertising with Responses (PAwR) SynchronizationImplement Bluetooth LE Periodic Advertising with Responses Synchronization.
• PeripheralImplement basic Bluetooth LE Peripheral role functionality (advertising and exposing GATT services).
• Peripheral Accept ListAdvertise and accept connections only from devices on an accept list.
• Peripheral ANSSend notification using Alert Notification Service (ANS).
• Peripheral GAP service custom implementationImplement a peripheral with GAP service that limits the accepted names
• Peripheral GATT WriteWrite a value to a characteristic using GATT Write Without Response.
• Peripheral IdentityUse multiple identities to allow connections from multiple central devices.
• Peripheral NUSImplement a simple echo server using the Nordic UART Service (NUS).
• Peripheral Object Transfer Service (OTS)Expose an Object Transfer Service (OTS) GATT Service.
• Peripheral SC-onlyEnable "Secure Connections Only" mode for a Bluetooth LE peripheral.
• Scan & AdvertiseCombine Bluetooth LE Broadcaster & Observer roles to advertise and scan for devices simultaneously.
• Synchronized ReceiverUse Bluetooth LE Synchronized Receiver functionality.

Bluetooth Audio

• Basic Audio Profile (BAP) Broadcast Audio AssistantUse BAP Broadcast Assistant functionality.
• Basic Audio Profile (BAP) Broadcast Audio SinkUse BAP Broadcast Sink functionality.
• Basic Audio Profile (BAP) Broadcast Audio SourceUse BAP Broadcast Source functionality.
• Basic Audio Profile (BAP) Unicast Audio ClientUse BAP Unicast Client functionality.
• Basic Audio Profile (BAP) Unicast Audio ServerUse BAP Unicast Server functionality.
• Call Control Profile (CCP) Call Control ServerCCP Call Control Server sample that registers one or more TBS bearers and advertises the TBS UUID(s).
• Call Control Profile (CCP) Call Control ServerCCP Call Control Server sample that registers one or more TBS bearers and advertises the TBS UUID(s).
• Common Audio Profile (CAP) AcceptorAdvertise audio availability to CAP Initiators using the CAP Acceptor role.
• Common Audio Profile (CAP) HandoverConnect to a CAP acceptor and perform CAP handover procedures
• Common Audio Profile (CAP) InitiatorConnect to CAP Acceptors and setup unicast audio streaming or broadcast audio streams.
• Hearing Access Profile (HAP) Hearing Aid (HA)Advertise and await connection from a Hearing Aid Unicast Client or Remote Controller.
• Public Broadcast Profile (PBP) Public Broadcast SinkUse PBP Public Broadcast Sink functionality.
• Public Broadcast Profile (PBP) Public Broadcast SourceUse PBP Public Broadcast Source functionality.
• Telephone and Media Audio Profile (TMAP) Broadcast Media Receiver (BMR)Implement the TMAP Broadcast Media Receiver (BMR) role.
• Telephone and Media Audio Profile (TMAP) Broadcast Media Sender (BMS)Implement the LE Audio TMAP Broadcast Media Sender (BMS) role.
• Telephone and Media Audio Profile (TMAP) CentralImplement the TMAP Call Gateway (CG) and Unicast Media Sender (UMS) roles.
• Telephone and Media Audio Profile (TMAP) PeripheralImplement the TMAP Call Terminal (CT) and Unicast Media Receiver (UMR) roles.

Bluetooth Classic

• A2DP SinkUse A2DP (Advanced Audio Distribution Profile) sink functionality.
• A2DP SourceUse A2DP (Advanced Audio Distribution Profile) source functionality.
• Hands-freeUse the Hands-Free Profile (HFP) APIs.
• Hands-free Audio Gateway (AG)Use the Hands-Free Profile Audio Gateway (AG) APIs.

Boards

96Boards

96Boards ArgonKey

• MicrophoneAcquire audio through the ArgonKey's on-board MP34DT05 microphone.
• SensorsRead sensor data from the ArgonKey board's onboard sensors.

ADI

• ADI MAX32 GPIO WakeupUse GPIO to wake the system from low-power states
• ADI Power ModesExercise power modes for a given SoC

AMD

BBC

BBC micro:bit

• LED matrix displayUse the 5x5 LED matrix display on the BBC micro:bit board.
• Line following robotImplement a line following robot using a BBC micro:bit board and robot chassis.
• Pong gamePlay pong as single player or over Bluetooth between two micro:bit devices.
• SoundUse the piezo buzzer on the BBC micro:bit board.

EnjoyDigital

Espressif ESP32 boards

• Deep SleepUse deep sleep with wake on timer, GPIO, and EXT1 sources on ESP32.
• ESP-NOWSend and receive ESP-NOW broadcast heartbeat beacons between two ESP32 boards.
• ESP32 qdec per-unit threshold triggerInstall per-unit threshold callbacks on the ESP32 PCNT driver.
• Flash EncryptionEncrypt/decrypt data stored in flash memory using ESP32 flash encryption feature.
• Flash IPM on ESP32Sample of flash API sharing between CPU cores using inter-processor mailbox (IPM).
• Light SleepUse light sleep mode on ESP32 to save power while preserving the state of the memory, CPU, and peripherals.
• Memory-Mapped FlashWrite data into the storage partition and read it using flash API and memory-mapped pointer.
• Pixel processing acceleratorScale, rotate and mirror an image with the pixel processing accelerator.
• SPIRAMAllocate memory from SPIRAM.
• Wi-Fi MeshBuild a self-organizing multi-hop Wi-Fi mesh network.
• Wi-Fi Mesh IPCarry IP over a self-organizing Wi-Fi mesh with a root NAT relay.
• XTAL32K Watchdog Timer (WDT)Trigger watchdog interrupt on external 32K crystal failure.

Ultra Low Power coprocessor (ULP)

Low-Power CPU (LP CORE)

• Debug ULPDebug the LP Core in ESP32C6.
• Echo ULPLeverage Zephyr's UART API to use the LP UART on the ESP32-C6's LP core.
• Interrupt ULPHP Core interrupt LP Core.
• LP GPIO WakeupLP Core wakes HP Core from deep sleep on LP GPIO level change.
• LP Timer WakeupLP Core periodically wakes HP Core from deep sleep using LP timer.

Google

• Power Delivery AnalyzerImplement a basic Power Delivery Analyzer to determine if a USB device is currently charging.

Infineon

• AutAnalog ADC FIR+FIFORead AutAnalog ADC channels with FIR filtering and FIFO bulk collection.

Intel

• Code relocationRelocate code using custom linker script.

Microchip

MEC15xxEVB Reference Board

Nordic Semiconductor

• Battery Voltage MeasurementMeasure the voltage of the device power supply.
• Coresight STM benchmark
• Coresight STM with remote shell
• Dynamic Pin ControlDynamically change pin configuration at boot time.
• IEEE 802.15.4 over RPMsgExpose nRF IEEE 802.15.4 radio driver to another device or CPU using RPMsg transport.
• LED matrixUse the nRF LED matrix display driver to drive an LED matrix.
• Mesh ModelsSetup a Bluetooth Mesh node with various models (generic OnOff, generic Level, ...).
• Mesh OnOff ModelControl LEDs on a mesh network using the Bluetooth Mesh OnOff model.
• Nordic flash write during Bluetooth LE activityWrite to flash while the Bluetooth LE radio is active.
• Nordic IronSide SE firmware updateUpdate the Nordic IronSide SE firmware.
• nRF clock controlRequest minimum clock requirements at runtime.
• nRF System EventsManage global constant latency mode on Nordic SoCs using the nRF System Events API.
• nRF5x Clock SkewMeasure the skew between the high-frequency and low-frequency clocks.
• nrfxUse nrfx library to interact with nRF peripherals.
• nrfx peripheral resource sharingUse nRF peripherals that share the same ID and base address.
• SPIS wake upReduce current consumption by handling the wake line while using an SPIS.
• Synchronized RTCSynchronize system and network core RTC clocks.
• System OffUse deep sleep on Nordic platforms.

NXP

• Audio output AMP sample.AMP system example for NXP i.MX RTxxx platforms - audio loopback.
• Audio output AMP sample.AMP system example for NXP i.MX RTxxx platforms - audio output.
• Blinky AMP sampleAMP system example for NXP i.MX RTxxx platforms - blinking LED.
• FLEXRAM magic addressConfigure an interrupt that triggers on arbitrary RAM/TCM address access.
• FRDM-MCXA156 lpdac opamp lpadc exampleAmplify the input of the OPAMP and sample it using the ADC.
• mbox API AMP sampleAMP system example for NXP i.MX RTxxx platforms - IPC using the mbox API.
• Number crunching using optimized librarySet up and use different backends for complex math operations.
• NXP MCX suspend-to-RAMSuspend an NXP MCXA/MCXN SoC to RAM and resume on an LPTMR timer (or button) wakeup delivered through the WUU wakeup controller.
• NXP MCX system offUse system off (Deep Power Down) on NXP MCXA/MCXN SoCs and wake through the WUU wakeup controller.
• NXP SmartDMA memory-to-memoryUse the NXP SmartDMA coprocessor to perform a memory-to-memory transfer through the Zephyr DMA API.
• OpenAMP DSP AMP SampleSend messages between multiple cores using OpenAMP with concurrent communication channels.
• RT1060 System OffUse soft-off on MIMXRT1060-EVK.
• RT595 System OffUse soft-off on MIMXRT595-EVK.
• RT700 EVK dual-core power managementExercise active, sleep, deep-sleep and deep-sleep-retention combinations on both RT700 EVK Cortex-M33 cores.
• RT700 System OffUse system off on MIMXRT700-EVK.
• RW612 PM flash checkCheck external NOR flash health across RW612 low-power modes.
• S32 Network Controller (NETC)Configure NXP S32 Network Controller (NETC)
• System Off (MCXE31B standby)Use standby (the only low-power mode) on FRDM-MCXE31B and wake via an RTC alarm.
• TensorFlow Lite for Microcontrollers on NXP NeutronRun an inference using a MobileNet model on the NXP Neutron NPU.

PHYTEC

reel board

• Bluetooth Mesh badgeImplement a smart badge using the reel board and Bluetooth Mesh.

QuickLogic

Raspberry Pi

• Pico W WiFi + LEDBlink the onboard LED while scanning for WiFi networks.
• Raspberry Pi Board InfoRetrieve and display Raspberry Pi board information using VideoCore firmware interface.

Renesas

• OpenAMP Linux Zephyr RPMsgEnable message exchange between two cores, with the application core running Linux and the real-time core running Zephyr, using the OpenAMP library.
• Renesas comparatorMonitor the output of comparator.
• Renesas ELC SampleIntegrating the Renesas ELC with PWM Functionality
• Renesas Low-voltage Detection Sample using ComparatorDemonstrates monitoring and reacting to voltage levels.

STMicroelectronics

• Backup SRAMUse Backup SRAM to store a variable that persists across power cycles.
• Core Coupled Memory (CCM)Place and use variables in the Core Coupled Memory (CCM).
• Hardware Semaphore (HSEM) Inter-Processor Communication on STM32 H7Use the Hardware Semaphore (HSEM) to trigger LED blinking from one core to another.
• I2C V2 timingsRetrieve I2C V2 timings at runtime.
• Master Clock Output (MCO)Output an internal clock for external use by the application.

Bluetooth

• Bluetooth: ST Interactive GUIExpose ST BlueNRG Bluetooth network coprocessor over UART.
• ST Bluetooth LE Sensor DemoExport vendor-specific GATT services over Bluetooth.

Board-specific STM32 samples

SensorTile.box

• SensorTile.box sensorsRead sensor data from the various SensorTile.box sensors.

SensorTile.box Pro

• SensorTile.box Pro sensorsRead sensor data from the various SensorTile.box Pro sensors.

STWIN.box

• STWIN.box sensorsRead sensor data from the various STWIN SensorTile wireless industrial node sensors.

Power Management

• ADC power managementUse ADC in a low-power context on STM32.
• Blinky with power managementBlink an LED using the GPIO API in a low-power context on STM32
• Bluetooth Low Energy Power Management on STM32WBPerform Bluetooth LE operations with Zephyr power management enabled on STM32WB.
• GPIO as a wake-up pin sourceUse a GPIO as a wake-up pin source.
• Serial wakeupWake up on serial activity on STM32.
• STOP3 modeUse STOP3 low power mode on STM32U5.
• Suspend to RAMUse suspend to RAM low power mode on STM32.

PWM

• STM32 pwm mastermodeDevicetree configuration for utilizing master/slave capabilities to synchronize timer instances.

UART

• Single-wire UARTUse single-wire/half-duplex UART functionality of STM32 devices.
• UART circular modeRead data from the console and echo it back using a circular DMA configuration.

Texas Instruments

• CC13x2/CC26x2 System OffExercise the various sleep modes on TI CC13x2/CC26x2 platforms.

C++

• C++ synchronizationUse Zephyr synchronization primitives from C++ code.
• Hello C++ worldPrint "Hello World" to the console in C++.

Data Structures

• Min-Heap Data StructureDemonstrate usage of a min-heap implementation in a Zephyr application.
• Red-Black Tree Data StructureUse a red-black tree data structure in a Zephyr application.

Drivers

• AT45 DataFlash driverUse the AT45 family DataFlash driver to interact with the flash memory over SPI.
• Auxiliary digits displayOutput increasing numbers to an auxiliary display.
• Auxiliary displayOutput "Hello World" to an auxiliary display.
• ChargerCharge a battery using the charger driver API.
• CryptoUse the crypto APIs to perform various encryption/decryption operations.
• Cyclic Redundancy Check Drivers (CRC)Compute and verify a CRC checksum using the CRC driver API.
• Digital Addressable Lighting Interface (DALI)Blink LED controllers connected to a DALI bus.
• Digital-to-Analog Converter (DAC)Generate an analog sawtooth signal using the DAC driver API.
• DisplayDraw basic rectangles on a display device.
• EEPROMStore a boot count value in EEPROM.
• Enhanced Serial Peripheral Interface (eSPI)Use eSPI to connect to a slave device and exchange virtual wire packets.
• Flash shellExplore a flash device using shell commands.
• Fuel GaugeUse fuel gauge API to access fuel gauge properties and get charge information.
• GNSSConnect to a GNSS device to obtain time, navigation data, and satellite information.
• Hash HW benchmarkMeasure throughput and CPU load of the crypto hash API implementation.
• HD44780 LCD controllerControl an HD44780-based LCD display using GPIO pins.
• HT16K33 LED driver with keyscanControl up to 128 LEDs connected to an HT16K33 LED driver and log keyscan events.
• HWSPINLOCKDemonstrate cross-core synchronization using the HWSPINLOCK API together with the MBOX API.
• JEDEC SPI-NOR flashUse the flash API to interact with an SPI NOR serial flash memory device.
• JESD216 flashUse the JESD216 flash API to extract information from a compatible serial memory device.
• LiteX clock control driverUse LiteX clock control driver to generate multiple clock signals.
• MBOXPerform inter-processor mailbox communication using the MBOX API.
• MBOX DataPerform inter-processor mailbox communication using the MBOX API with data.
• Memory controller (MEMC) driverRead and write external memory
• Multi-Function Device (MFD) with Charger, Fuel Gauge, and RegulatorsDemonstrate a multi-function device using charger, fuel gauge, and regulator subsystems.
• nRF SoC Internal StorageUse the flash API to interact with the SoC flash.
• PECI interfaceMonitor CPU temperature using PECI.
• PS/2 interfaceCommunicate with a PS/2 mouse.
• PSI5 interfaceUse the PSI5 (Peripheral Sensor Interface) driver.
• Real-Time Clock (RTC)Set and read the date/time from a Real-Time Clock.
• SENT interfaceUse the SENT (Single Edge Nibble Transmission) driver.
• SMBus shellInteract with SMBus peripherals using shell commands.
• SPI bitbangUse the bitbang SPI driver for communicating with a peripheral.
• Time-aware GPIOSynchronize clocks.
• WatchdogUse the watchdog driver API to reset the board when it gets stuck in an infinite loop.

ADC

• Analog-to-Digital Converter (ADC) sequence sampleRead analog inputs from ADC channels, using a sequence.
• Analog-to-Digital Converter (ADC) with devicetreeRead analog inputs from ADC channels.
• Generic ADC streamGet data from a ADC using stream.

Audio

• audio codecmic to speaker loopback.
• Digital Microphone (DMIC)Perform PDM transfers using different configurations.

Biometrics

• Fingerprint sensorDemonstrate fingerprint sensor enrollment, verification, identification, and template management using the biometric driver API.

Buzzer

• Buzzer TonePlay a short beep and a few tones through the buzzer device aliased as buzzer0.

Controller Area Network (CAN)

• Controller Area Network (CAN) babbling nodeSimulate a babbling CAN node.
• Controller Area Network (CAN) counterSend and receive CAN messages.

Clock Monitor

• Clock Monitor Frequency CheckContinuously check a clock against programmable frequency thresholds.
• Clock Monitor Frequency MeterMeasure the frequency of a clock once and print the result.

Counter

• Counter AlarmImplement an alarm application using the counter API.

Ethernet

• Inter-VM Shared Memory (ivshmem) EthernetCommunicate with another "cell" in the Jailhouse hypervisor using IVSHMEM Ethernet.

Firmware Samples

• SCMI Platform InteractionInteract with the SCMI platform using various protocols.

FPGA

• FPGA ControllerLoad a bitstream into an FPGA and perform basic operations on it.

General Purpose I/O (GPIO)

• Bouffalolab GPIO FIFO / Wire Out UARTOutput UART using Wire Out
• Button interruptHandle GPIO inputs with interrupts.

Haptics

• CS40L26 Haptic DriverDrive an LRA using the CS40L26/27 haptic driver chip.
• CS40L5x Haptic DriverDrive an LRA using the CS40L5x haptic driver chip.
• DRV2605 Haptic DriverDrive an LRA using the DRV2605 haptic driver chip.
• TM6605 Haptic DriverDrive an LRA using the Titan Micro Electronics TM6605 haptic driver chip.

Inter-Integrated Circuit (I2C) Bus

• I2C Custom TargetSetup a custom I2C target on the I2C interface.
• I2C RTIO loopbackPerform I2C transfers between I2C controller and custom I2C target using RTIO.
• I2C TargetSetup an I2C target on the I2C interface.

I2S

• I2S codecProcess an audio stream to codec.
• I2S echoProcess an audio stream to add an echo effect.
• I2S outputSend I2S output stream

Interrupt controller

• RISC-V AIA SMP UART echoEcho UART input using RISC-V AIA interrupt delivery on an SMP system.
• RISC-V AIA UART echoEcho UART input using RISC-V AIA interrupt delivery through APLIC and IMSIC.

Inter-Processor Mailbox (IPM)

• IPM on ESP32Implement inter-processor mailbox (IPM) between ESP32 APP and PRO CPUs.
• IPM on NXP i.MXImplement inter-processor mailbox (IPM) on i.MX SoCs containing a Messaging Unit peripheral.
• IPM on NXP LPCImplement inter-processor mailbox (IPM) on NXP LPC family.
• IPM over IVSHMEMImplement inter-processor mailbox (IPM) over IVSHMEM (Inter-VM shared memory)
• IPM with ARM MHUImplement inter-processor mailbox (IPM) using an MHU (Message Handling Unit)

Light-Emitting Diode (LED)

• Breathing-blinking LED (BBLED)Control a BBLED (Breathing-Blinking LED) using Microchip XEC driver.
• IS31FL319x RGB LEDCycle colors on an RGB LED connected to the IS31FL3193, IS31FL3194 or IS31FL3197 using the LED API.
• IS31FL3216A LEDControl up to 16 PWM LEDs connected to an IS31FL3216A driver chip.
• IS31FL3733 LED MatrixControl a matrix of up to 192 LEDs connected to an IS31FL3733 driver chip.
• LED PWMControl PWM LEDs using the LED API.
• LED stripControl an LED strip.
• LP3943 RGBW LEDControl up to 16 RGBW LEDs connected to an LP3943 driver chip.
• LP50XX RGB LEDControl up to 12 RGB LEDs connected to an LP50xx driver chip.
• LP5562 RGB LEDControl 4 RGB LEDs connected to an LP5562 driver chip.
• LP5569 9-channel LED controllerControl 9 LEDs connected to an LP5569 driver chip.
• LP586x LED matrixControl LED dots on an LP586x LED matrix controller.
• PCA9633 LEDControl 4 LEDs connected to a PCA9633 driver chip.
• SCT2024 LED ControllerControl up to 16 LEDs connected to an SCT2024 chip.
• SX1509B RGB LEDControl an RGB LED connected to an SX1509B driver chip.

Local Interconnect Network (LIN)

• NCV7430 LED Controller over LINSample application for using the NCV7430 LED Controller with Zephyr's LIN API.
• NCV7430 mock LIN responderSample application that mocks the NCV7430 LED Controller as a LIN responder node.

LoRa

• LoRa duty cycleReceive LoRa packets using hardware RX duty cycling (wake-on-radio).
• LoRa receiveReceive packets in both synchronous and asynchronous mode using the LoRa radio.
• LoRa sendTransmit a preconfigured payload every second using the LoRa radio.

Miscellaneous

• FT800Display various shapes and text using FT800 Embedded Video Engine.
• Grove LCDDisplay an incrementing counter and change the backlight color.
• TMC6460 Voltage ModeDrive a BLDC motor in open-loop voltage mode with a Trinamic TMC6460.

Modem

• AT Command ClientCreate a bidirectional UART bridge between console and modem for AT command communication.
• Hello hl78xx modem driverget & set basic hl78xx modem information & functionality with HL78XX modem APIs

Multi-bit SPI Bus (MSPI)

• Ambiq MSPI timing scanFind the appropriate timing for a given device on a given board.
• JEDEC MSPI-NOR flashUse the flash API to interact with an MSPI NOR serial flash memory device.
• MSPI asynchronous transferUse the MSPI API to interact with MSPI memory device asynchronously.
• MSPI throughput performance testMeasure MSPI throughput performance with different buffer sizes and packet counts.

OPAMP

• Operational Amplifier (OPAMP) output measure sampleAmplify the input of the OPAMP and sample it using the ADC.

Pulse IO

• pulse_io byte transferTransfer bytes over a pulse_io controller using the codec helpers.

PWM

• PWM CaptureCapture a PWM signal.
• PWM EventEvents on a PWM signal.

SPI

• SPI RTIO loopbackPerform SPI transfers between SPI controller and SPI target using RTIO.

Stepper

• StepperRotate a stepper motor in 4 different modes.
• TMC50XX stepperRotate a TMC50XX stepper motor and change velocity at runtime.
• TMCM-3216 stepperControl a stepper motor using the ADI TMCM-3216 standalone stepper motor controller and driver board over RS485.

Universal Asynchronous Receiver-Transmitter (UART)

• Native TTY UARTUse native TTY driver to send and receive data between two UART-to-USB bridge dongles.
• UART ASYNC APIDemonstrate the use of the asynchronous API
• UART echoRead data from the console and echo it back.
• UART PassthroughPass data directly between the console and another UART interface.

Virtualization

• IVSHMEM doorbellUse Inter-VM Shared Memory to exchange messages between two processes running on different operating systems.

1-Wire

• 1-Wire scannerScan for 1-Wire devices and print their family ID and serial number.

Kernel and Scheduler

• BootargsPrint received bootargs to the console.
• Condition VariablesManipulate condition variables in a multithreaded application.
• Message QueueImplement a basic message queue producer/consumer thread pair.
• Meta-IRQ Thread PriorityImplement a thread running at a Meta-IRQ priority level.

External modules

• NanopbSerialize and deserialize structured data using the nanopb module.

CMSIS-DSP

• CMSIS-DSP moving averageUse the CMSIS-DSP library to calculate the moving average of a signal.

LVGL

• LVGL demosRun LVGL built-in demos.
• LVGL line chart with accelerometer dataDisplay acceleration data on a real-time chart using LVGL.
• LVGL Multi-displayRun different LVGL demos on multiple displays.
• LVGL screen transparencyRendering to screens with transparency support using LVGL.

TensorFlow Lite for Microcontrollers

• Hello WorldReplicate a sine wave using TensorFlow Lite for Microcontrollers.
• Magic WandRecognize gestures from an accelerometer using TensorFlow Lite for Microcontrollers and a 20KB neural network.
• TensorFlow Lite for Microcontrollers on Arm(R) Ethos(TM)-U55, U65, and U85 NPUsRun an inference using an optimized TFLite model on Arm Ethos-U NPU.

Networking

• 802.15.4 "serial-radio"Implement a slip-radio device for Contiki-based border routers.
• Cellular modemUse a cellular modem to communicate with a UDP server.
• DHCPv4 clientStart a DHCPv4 client to obtain an IPv4 address from a DHCPv4 server.
• DHCPv6 prefix delegationObtain and delegate an IPv6 prefix using DHCPv6 (RFC 8415).
• DNS resolveResolve an IP address for a given hostname.
• FTP client shell sampleFTP client sample interacting with FTP server over Zephyr shell.
• IPv4 autoconf clientPerform IPv4 autoconfiguration and self-assign a random IPv4 address
• Latmon ClientMeasures delta time between GPIO events and reports the latency metrics via latmon to the latmus service executing on the SUT.
• LwM2M clientImplement a LwM2M client that connects to a LwM2M server.
• mDNS responderListen and respond to mDNS queries.
• MIDI2 network transportExchange Universal MIDI Packets over the Network MIDI 2.0 protocol
• MQTT publisherSend MQTT PUBLISH messages to an MQTT server.
• MQTT-SN publisherSend MQTT-SN PUBLISH messages to an MQTT-SN gateway.
• Network packet captureCapture network packets and send them to a remote host via IPIP tunnel.
• Network packet filterInstall network packet filter hooks.
• Network statisticsQuery and display network statistics from a user application.
• OCPP charge pointImplement an OCPP charge point that connects to a Central System server and simulates the meter readings.
• Prometheus SampleImplement a Prometheus Metric Server demonstrating various metric types.
• Promiscuous modeEnable promiscuous mode on all interfaces and print information about incoming packets.
• PTPEnable PTP support and monitor messages and events via logging.
• Remote syslogEnable a remote syslog service that sends syslog messages to a remote server
• RTPSend or receive an RTP audio stream over a UDP multicast.
• Secure MQTT Sensor/ActuatorImplement an MQTT-based IoT sensor/actuator device
• SSH server and clientImplements SSH server and client shell support.
• Telnet consoleAccess Zephyr shell over telnet.
• TFTP clientUse the TFTP client library to get/put files from/to a TFTP server.
• Virtual network interfaceCreate a sample virtual network interface.
• Wireguard VPNImplement a echo-server application that sends received packets back to the sender over Wireguard VPN connection.
• zperf: Network Traffic GeneratorUse the zperf shell utility to evaluate network bandwidth.

IoT Cloud

• AWS IoT Core MQTTConnect to AWS IoT Core and publish messages using MQTT.
• Microsoft Azure IoT Hub MQTTConnect to Azure IoT Hub and publish messages using MQTT.
• TagoIO HTTP PostSend random temperature values to TagoIO IoT Cloud Platform using HTTP.

Network Ethernet

• 10BASE-T1S tests (OA_TC6)Setup tests to examine long term stability of 10BASE-T1S communication
• bridgeTest and debug Ethernet bridge
• DSA (Distributed Switch Architecture)Test and debug Distributed Switch Architecture
• gPTPEnable gPTP support and monitor functionality using net-shell.
• Link Layer Discovery Protocol (LLDP)Enable LLDP support and setup VLANs.
• TSN SwitchTest and debug TSN switch
• Virtual LANSetup two virtual LAN networks and use net-shell to view the networks' settings.

MCP (Model Context Protocol)

• MCP Server Hello WorldThis code sample shows two very basic tool definitions to introduce users to the Zephyr MCP Server library.

OpenThread

• OpenThread BorderRouterTest Wi-Fi and IEEE 802.15.4 using the OpenThread Border Router.
• OpenThread co-processorBuild a Thread border-router using OpenThread's co-processor designs.
• OpenThread CoAP client and server applicationBuild a Full Thread Device (FTD) CoAP server and client.
• OpenThread shellTest Thread and IEEE 802.15.4 using the OpenThread shell.

Quality of Service

• Quality of ServiceImplements a demo of quality of service on the ethernet layer.

QUIC API

• Echo client (QUIC)Implements a simple IPv4/IPv6 echo client using QUIC API and socket service API.
• Echo server (QUIC)Implements a simple IPv4/IPv6 echo server using QUIC API and socket service API.

Sockets API

• Asynchronous echo server using poll()Implement an asynchronous IPv4/IPv6 TCP echo server using BSD sockets and poll()
• Asynchronous echo server using select()Implement an asynchronous IPv4/IPv6 TCP echo server using BSD sockets and select()
• CoAP clientUse the CoAP library to implement a client that fetches a resource.
• CoAP downloadUse the CoAP client API to download data via a GET request
• CoAP serviceUse the CoAP server subsystem to register CoAP resources.
• CoAP TCP ClientUse the CoAP over TCP client to communicate with a CoAP server.
• CoAP uploadUse the CoAP client API to upload data via a PUT request
• Dumb HTTP serverImplement a simple, portable, HTTP server using BSD sockets.
• Dumb HTTP server (multi-threaded)Implement a simple HTTP server supporting simultaneous connections using BSD sockets.
• Echo client (advanced)Implement a client that sends IP packets, waits for data to be sent back, and verifies it.
• Echo server (advanced)Implement a UDP/TCP server that sends received packets back to the sender.
• Echo server (service)Implements a simple IPv4/IPv6 TCP echo server using BSD sockets and socket service API.
• Echo server (simple)Implements a simple IPv4/IPv6 TCP echo server using BSD sockets.
• HTTP ClientImplement an HTTP(S) client that issues a variety of HTTP requests.
• HTTP GET using plain socketsImplement an HTTP(S) client using plain BSD sockets.
• HTTP ServerImplement an HTTP(s) Server demonstrating various resource types.
• Large HTTP downloadDownload a large file from a web server using BSD sockets.
• Network management socketListen to network management events using a network management socket.
• Packet socketUse raw packet sockets over Ethernet.
• SNTP clientUse SNTP to get the current time from the host.
• SNTP serverServe the current time to SNTP clients on the network.
• SocketCANSend and receive raw CAN frames using BSD sockets API.
• SocketpairImplement communication between threads using socket pairs.
• UDP sender using SO_TXTIMEControl the transmission time of a packet using SO_TXTIME socket option.
• WebSocket ClientImplement a Websocket client that connects to a Websocket server.

Wi-Fi

• Wi-Fi AP-STA modeConfigure a Wi-Fi board to operate as both an Access Point (AP) and a Station (STA).
• Wi-Fi provisioning over BLEReceive Wi-Fi credentials over a BLE GATT service and connect to the access point.
• Wi-Fi shellTest Wi-Fi functionality using the Wi-Fi shell module.

PSA

• PSA Crypto persistent keyManage and use persistent keys via the PSA Crypto API.
• PSA Internal Trusted Storage APIUse the PSA ITS API.

Regulator

• Regulator Shell SampleInteract with regulators using the shell module.

Sensors

• 6dof device FIFO streamingGet accelerometer/gyroscope/temperature FIFO data frames from a sensor using SENSOR_TRIG_FIFO_WATERMARK as a trigger.
• Accelerometer triggerTest and debug accelerometer with interrupts.
• ADT7420 high-accuracy digital I2C temperature sensorGet temperature data from an ADT7420 sensor using polling and window mode.
• AMG88XX infrared array sensorGet temperature data from an AMG88XX 8x8 thermal camera sensor.
• ams iAQcore indoor air quality sensorGet CO2 equivalent and VOC data from an ams iAQcore sensor.
• APDS9960 RGB, ambient light, and gesture sensorGet ambient light, RGB, and proximity/gesture data from an APDS9960 sensor.
• Barometric pressure and temperature sensor interrupt exampleManage interrupts from a barometric pressure and temperature sensor.
• Barometric pressure and temperature sensor polling exampleGet barometric pressure and temperature data from a sensor.
• BME280 humidity and pressure sensorGet temperature, pressure, and humidity data from a BME280 sensor.
• BMG160 3-axis gyroscopeGet temperature, and angular velocity data from a BMG160 sensor.
• BMI270 6-axis IMU sensorConfigure and read accelerometer and gyroscope data from a BMI270 sensor.
• BQ274XX fuel gauge sensorGet various fuel gauge parameters from a BQ274XX sensor.
• CCS811 indoor air quality sensorGet CO2 equivalent and VOC data from a CCS811 sensor.
• CPU die temperature pollingGet CPU die temperature data from a sensor using polling.
• DS18B20 1-Wire Temperature SensorGet ambient temperature data from a DS18B20 sensor (polling mode).
• FDC2X1X Capacitance-to-Digital ConverterGet capacitance and frequency data from a FDC2X1X sensor (polling & trigger).
• Flow MeterRead flow rate and volume from a Hall-effect pulse-output flow meter.
• FXAS21002 Gyroscope SensorGet gyroscope data synchronously from an FXAS21002 sensor.
• Generic 3-Axis accelerometer pollingGet 3-Axis accelerometer data from a sensor (polling mode).
• Generic 3-Axis accelerometer streamingGet 3-Axis accelerometer data from a sensor (stream mode).
• Generic 6DOF Motion DatareadyGet 6-Axis accelerometer and gyroscope data from a sensor (data ready interrupt mode).
• Generic CO2 polling sampleGet CO2 data from a sensor (polling mode).
• Generic device sample streaming using Data Ready triggerGet accelerometer data frames from a sensor using SENSOR_TRIG_DATA_READY.
• Generic digital humidity temperature sensor pollingGet temperature and humidity data from a DHT sensor (polling mode).
• Generic distance measurementMeasure distance to an object using a distance sensor
• Generic Light Sensor PollingGet illuminance data from a light sensor.
• Grove Temperature SensorGet temperature data from a Grove temperature sensor and display it on an LCD display.
• GROW R502-A Fingerprint SensorStore and match fingerprints using the GROW R502-A fingerprint sensor.
• Heart Rate SensorGet heart rate data from a sensor (polling/interrupt mode).
• HTS221 Temperature and Humidity MonitorGet temperature and humidity data from an HTS221 sensor (polling & trigger mode).
• I3G4250D 3-axis gyroscope sensorGet gyroscope data from an I3G4250D sensor.
• Iclegend S3KM1110 mmWave sensorRead standard and custom channels from an Iclegend S3KM1110 mmWave radar sensor.
• INA219 Bidirectional Power/Current MonitorGet shunt voltage, bus voltage, power and current from an INA219 sensor.
• ISL29035 Digital Light SensorGet light intensity data from an ISL29035 sensor (polling & trigger mode).
• JEDEC JC 42.4 compliant Temperature SensorGet ambient temperature from a JEDEC JC 42.4 compliant temperature sensor (polling & trigger mode).
• LIS2DH Motion SensorGet accelerometer data from an LIS2DH sensor (polling & trigger mode).
• LPS22HB Temperature and Pressure SensorGet pressure and temperature data from an LPS22HB sensor (polling mode).
• LPS22HH Temperature and Pressure SensorGet pressure and temperature data from an LPS22HH sensor (polling & trigger mode).
• LPS22HH Temperature and Pressure Sensor (I3C)Get pressure and temperature data from an LPS22HH sensor over I3C (polling & trigger mode).
• LSM303DLHC Magnetometer and Accelerometer sensorGet magnetometer and accelerometer data from an LSM303DLHC sensor (polling mode).
• LSM6DSL IMU sensorGet accelerometer and gyroscope data from an LSM6DSL sensor (polling & trigger mode).
• LSM6DSO IMU sensorGet accelerometer and gyroscope data from an LSM6DSO sensor (polling & trigger mode).
• LSM6DSO IMU sensor (I2C on I3C bus)Get accelerometer and gyroscope data from an LSM6DSO sensor using I2C on I3C bus (polling & trigger mode).
• Magnetometer SensorGet magnetometer data from a magnetometer sensor (polling mode).
• Magnetometer triggerTest and debug magnetometer with interrupts
• MAX17262 Fuel Gauge SensorGet voltage, current and temperature data from a MAX17262 sensor (polling mode).
• MAX32664C + MAX86141 Sensor Hub
• MAX6675 K-thermocouple to digital converterGet temperature from a MAX6675 K-thermocouple to digital converter (polling mode).
• MPU6050 Invensense Motion Tracking DeviceGet temperature, acceleration, and angular velocity from an ICM42605 sensor (polling & trigger mode).
• MPU6050 motion tracking deviceGet temperature, acceleration, and angular velocity from an MPU6050 sensor (polling & trigger mode).
• MS5837 Digital Pressure SensorGet pressure and temperature data from an MS5837 sensor (polling mode).
• MTCH9010 Liquid Leak Detector TestbenchConfigure an MTCH9010 and receive data from it periodically.
• Multi-unit quadrature decoderRead several quadrature encoders from a single sensor device using the Read-and-Decode API.
• NPCX ADC ComparatorDetect upper/lower voltage limits using NPCX ADC Comparator driver.
• NXP MCUX Analog Comparator (ACMP)Get analog comparator data from an NXP MCUX Analog Comparator (ACMP).
• NXP MCUX Low-power Analog Comparator (LPCMP)Get analog comparator data from an NXP MCUX Low-power Analog Comparator (LPCMP).
• PAJ7620 Gesture SensorGet hand gesture data from PAJ7620 sensor.
• Proximity sensorGet proximity data from up to 10 proximity sensors (polling mode).
• Quadrature Decoder SensorGet rotation data from a quadrature decoder sensor.
• Sensor ClockTest and debug Sensor Clock functionality.
• Sensor shellInteract with sensors using the shell module.
• SGP40 and SHT4X digital humidity and multipixel gas sensorGet temperature, humidity and gas sensor data from SGP40 and SHT4X sensors (polling mode).
• SHT3XD humidity sensorGet temperature and humidity from a SHT3XD sensor (polling & trigger mode).
• SM351LT Magnetoresistive SensorDetect a magnet's presence using the SM351LT magnetoresistive sensor (polling & trigger mode).
• SoC Voltage SensorGet voltage data from an SoC's voltage sensor(s).
• SX9500 SAR proximity sensorGet proximity data from an SX9500 SAR proximity sensor.
• TDK Advanced Pedometer and Event Detection (APEX)Get TDK APEX event detection (trigger mode).
• TDK integrated angle sensor with TMR (Tunnel Magneto Resistance)Get angle and temperature data from a TDK TAD2144 sensor using SPI, I2C and Encoder(angle data only).
• TH02 Temperature and Humidity SensorGet temperature and humidity data from a TH02 sensor (polling mode).
• ThermometerGet ambient temperature data from a temperature sensor and get alerts when temperature drifts above a threshold. (polling & trigger mode).
• TMP108 Temperature SensorGet temperature data from a TMP108 sensor (polling & trigger mode).
• TMP112 Temperature SensorGet temperature data from a TMP112 sensor (polling & trigger mode).
• VCNL4040 Proximity and Ambient Light SensorGet proximity and ambient light data from a VCNL4040 sensor (polling & trigger mode).
• VEAA-X-3 proportional pressure control valveControl a VEAA-X-3 proportional pressure control valve.
• VEML6031 High Accuracy Ambient Light SensorGet ambient light data from a VEML4040 sensor (polling mode).
• VEML6046 RGBIR Color SensorGet red, green, blue and IR light data from a VEML6046 sensor (polling mode).
• VL53L0X Time Of Flight sensorGet distance data from a VL53L0X sensor (polling mode).

Shields

• nPM13xx EKInteract with an nPM1300 or nPM1304 PMIC using the shell interface and buttons.
• nPM2100 EKInteract with the nPM2100 PMIC using the EK buttons and the shell interface.
• nPM6001 EKInteract with the nPM6001 PMIC using the shell interface.
• RTK0EG0019B01002BJ Capacitive Touch Application ShieldInteract with the Capacitive Touch Sensor and LED matrix on the RTK0EG0019B01002BJ shield
• X-NUCLEO-53L0A1 shieldInteract with the 7-segment display and VL53L0X ranging sensor of an X-NUCLEO-53L0A1 shield.
• X-NUCLEO-IKS01A1 shieldInteract with all the sensors of an X-NUCLEO-IKS01A1 shield.

X-NUCLEO-IKS01A2 shield

• X-NUCLEO-IKS01A2 shield - SensorHub (Mode 2)Interact with all the sensors of an X-NUCLEO-IKS01A2 shield using Sensor Hub mode.
• X-NUCLEO-IKS01A2 shield - Standard (Mode 1)Interact with all the sensors of an X-NUCLEO-IKS01A2 shield using Standard Mode.

X-NUCLEO-IKS01A3 shield

• X-NUCLEO-IKS01A3 shield - SensorHub (Mode 2)Interact with all the sensors of an X-NUCLEO-IKS01A3 shield using Sensor Hub mode.
• X-NUCLEO-IKS01A3 shield - Standard (Mode 1)Interact with all the sensors of an X-NUCLEO-IKS01A3 shield using Standard mode.

X-NUCLEO-IKS02A1 shield

• X-NUCLEO-IKS02A1 shield - MEMS microphoneAcquire audio using the digital MEMS microphone on X-NUCLEO-IKS02A1 shield.
• X-NUCLEO-IKS02A1 shield - SensorHub (Mode 2)Interact with all the sensors of an X-NUCLEO-IKS02A1 shield using Sensor Hub mode.
• X-NUCLEO-IKS02A1 shield - Standard (Mode 1)Interact with all the sensors of an X-NUCLEO-IKS02A1 shield using Standard mode.

X-NUCLEO-IKS4A1 shield

• X-NUCLEO-IKS4A1 shield - SensorHub (Mode 2)Interact with all the sensors of an X-NUCLEO-IKS4A1 shield using SHUB2 (mode 2).
• X-NUCLEO-IKS4A1 shield - SensorHub (Mode 3)Interact with all the sensors of an X-NUCLEO-IKS4A1 shield using SHUB1 (mode 3).
• X-NUCLEO-IKS4A1 shield - Standard (Mode 1)Interact with all the sensors of an X-NUCLEO-IKS4A1 shield using Standard mode.

Subsystems

• Arm SiP Services on Intel Agilex SoC FPGAUse the SiP SVC subsystem to interact with the Secure Device Manager on Intel Agilex SoC FPGA.
• CMSIS-DAPImplement a custom CMSIS-DAP controller using SWDP interface driver.
• Cyclic Redundancy Check Subsystem (CRC Subsys)Compute and verify a CRC computation using the CRC subsys API.
• Demand pagingLeverage demand paging to deal with code bigger than available RAM.
• EDAC shellTest error detection and correction (EDAC) using shell commands.
• InstrumentationDemonstrate the instrumentation subsystem tracing and profiling features.
• Settings APILoad and save configuration values using the settings API.
• Task watchdogMonitor a thread using a task watchdog.
• UUIDManipulate UUID v4 and v5 compliant with IETF RFC 9562.

Authentication

• FIDO2 AuthenticatorImplement a FIDO2/CTAP2 hardware security key.

Binary Descriptor

• Binary descriptors "Hello World"Set and access binary descriptors for a basic Zephyr application.
• Binary descriptors readDefine some binary descriptors and read them.

Controller Area Network (CAN) Bus

• ISO-TP libraryUse ISO-TP library to exchange messages between two boards.

Console

• Console echoEcho an input character back to the output using the Console API.
• console_getchar()Use console_getchar() to read an input character from the console.
• console_getline()Use console_getline() to read an input line from the console.

CPU Freq

• CPU frequency scaling timing noise sampleShow how randomized P-state selection can disrupt a simple cycle-count password guessing experiment.
• CPU frequency thermal capConstrain CPU frequency from die temperature.
• On-demand CPU frequency scalingDynamically scale CPU frequency using the on-demand policy.
• Pressure based CPU frequency scalingDynamically scale CPU frequency using the pressure policy.

Debug

• Debug MonitorConfigure the Debug Monitor feature on a Cortex-M processor.
• FuzzingIntegrate fuzz testing with Zephyr apps.
• UDP coredump via shellFault from the Zephyr shell; the coredump is mirrored as UART #CD: hex and framed UDP.

Display

• Character frame bufferDisplay character strings using the Character Frame Buffer (CFB).
• Character Framebuffer shell moduleUse the CFB shell module to interact with a monochrome display.
• Color Palette DisplayDisplay vertical color bands using indexed color palette.
• Custom fontsGenerate and use a custom font.
• LVGL basic sampleDisplay a "Hello World" and react to user input using LVGL.

File Systems

• EXT2 filesystem fstabDefine ext2 filesystems in the devicetree.
• Fatfs filesystem fstabDefine fatfs filesystems in the devicetree.
• File system manipulationUse file system API with various filesystems and storage devices.
• Format filesystemFormat different storage devices for different file systems.
• LittleFS filesystemUse file system API over LittleFS.
• virtiofs filesystemUse file system API over virtiofs.

Input

• Draw touch eventsVisualize touch events on a display.
• Input dumpPrint all input events.

Inter-Processor Communication (IPC)

• IPC service: icmsg backendSend messages between two cores using the IPC service and icmsg backend.
• IPC service: Multi-endpointUse the IPC Service with multiple endpoints.
• IPC service: RPMSG-Lite backendSend messages between two cores using the IPC service and RPMSG-Lite backend.
• IPC service: static vrings backendSend messages between two cores using the IPC service and static vrings backend.
• OpenAMPSend messages between two cores using OpenAMP.
• OpenAMP using resource tableSend messages between two cores using OpenAMP and a resource table.
• RPMsg serviceSend messages between cores using RPMsg service.

Key-Value Storage Systems

• Non-Volatile Storage (NVS)Store and retrieve data from flash using the NVS API.
• Zephyr Memory Storage (ZMS)Store and retrieve data from storage using the ZMS API.
• ZMS Cycle Count VerificationVerify that ZMS sector cycle counters are tracked correctly across garbage collection cycles, including past the uint8_t wraparound boundary.

Linkable Loadable Extensions (LLEXT)

• Linkable loadable extensions "module" sampleCall a function in a loadable extension module, either built-in or loaded at runtime.
• Linkable loadable extensions EDKEnable linkable loadable extension development outside the Zephyr tree using LLEXT EDK (Extension Development Kit).
• Linkable loadable extensions shell moduleManage loadable extensions using shell commands.

Logging

• Bluetooth logging backendSend log messages over Bluetooth using the Bluetooth logging backend.
• Dictionary-based loggingOutput binary log data using the dictionary-based logging API.
• LoggingOutput log messages to the console using the logging subsystem.
• Logging in multi-domain environmentUse the multidomain logging feature to aggregate log messages from multiple cores into a single console output via the IPC service.

LoRaWAN

• LoRaWAN class A deviceJoin a LoRaWAN network and send a message periodically.
• LoRaWAN FUOTAPerform a LoRaWAN firmware-upgrade over the air (FUOTA) operation.

Management

• Eclipse hawkBit Direct Device Integration APIUpdate a device using Eclipse hawkBit DDI API.
• SMP serverImplement a Simple Management Protocol (SMP) server.
• UpdateHub embedded Firmware Over-The-Air (FOTA) updatePerform Firmware Over-The-Air (FOTA) updates using UpdateHub.

Modbus

• Modbus RTU clientCommunicate with a Modbus RTU server.
• Modbus RTU serverImplement a Modbus RTU server exposing Modbus commands to control LEDs.
• Modbus TCP serverImplement a Modbus TCP server exposing Modbus commands to control LEDs.
• Modbus TCP-to-serial gatewayImplement a gateway between an Ethernet TCP-IP network and a Modbus serial line.

Power Management

• Device Idle Power ManagementUse device runtime power management with a parent-child device hierarchy.
• PM policy latencyConstrain allowed power states using maximum tolerable exit latency

PMCI

MCTP

• MCTP Endpoint SampleCreate an MCTP endpoint over UART.
• MCTP Host SampleCreate an MCTP host over UART.
• MCTP I2C GPIO Endpoint Node SampleCreate an MCTP endpoint node controlling I2C with GPIO signaling.
• MCTP I2C GPIO Top Node SampleCreate an MCTP top node controlling I2C with GPIO signaling.
• MCTP I3C Endpoint Node SampleCreate an MCTP endpoint node over I3C.
• MCTP I3C Top Node SampleCreate an MCTP top node controlling I3C.
• MCTP USB Endpoint Node SampleCreate an MCTP endpoint node using the USB device interface.

Portability

CMSIS RTOS v1

• Dining Philosophers (CMSIS RTOS V1 APIs)Implement a solution to the Dining Philosophers problem using CMSIS RTOS V1.
• Synchronization using CMSIS RTOS V1 APIsUse timers and message queues from CMSIS RTOS v1 API to synchronize threads.

CMSIS RTOS v2

• Dining Philosophers (CMSIS RTOS V2 APIs)Implement a solution to the Dining Philosophers problem using CMSIS RTOS V2.
• Synchronization using CMSIS RTOS V2 APIsUse timers and message queues from CMSIS RTOS v2 API to synchronize threads.

POSIX API

• Environment VariablesManipulate environment variables from a Zephyr application.
• eventfd()Use eventfd() to create a file descriptor for event notification.
• gettimeofday() with clock initializationUse gettimeofday() with clock initialization over SNTP.
• POSIX PhilosophersImplement a solution to the Dining Philosophers problem using the POSIX API.
• uname()Use uname() to acquire system information and output it to the console.

Profiling

• Perf toolSend perf samples to the host with console support

Real Time I/O (RTIO)

• Producer ConsumerImplement a producer->consumer pipe using RTIO.
• Sensor batch processingImplement a sensor device using RTIO for asynchronous data processing.

Sensing

• Sensing subsystemGet high-level sensor data in defined intervals.

Shell

• Custom Shell moduleRegister shell commands using the Shell API
• devmem load shellLoad data to device memory using devmem shell cmd.
• File system shellAccess a LittleFS file system partition in flash using the file system shell.

State Machine Framework

• Hierarchical State Machine Demo based on example from PSiCC2Implement an event-driven hierarchical state machine using State Machine Framework (SMF).
• SMF CalculatorCreate a simple desk calculator using the State Machine Framework.

Test suites

• Pytest shell application testingExecute pytest tests against the Zephyr shell.
• zephyr benchmark sampleShowcases how to use Zephyr Benchmarking subsystem to measure performance of code sections.

Tracing

• TracingGenerate kernel and application trace events and stream them to a host with any of the supported tracing formats and backends.
• Tracing a sensor pipelineTrace a realistic multi-threaded sensor pipeline and use the trace to understand how the RTOS schedules it - and to spot a priority inversion.

USB

• Console over USB CDC ACMOutput "Hello World!" to the console over USB CDC ACM.
• I2C-Tiny-USB bridgeExpose a Zephyr I2C controller to a host as a USB to I2C adapter.
• USB Audio asynchronous explicit feedback sampleUSB Audio 2 explicit feedback sample playing audio on I2S.
• USB Audio asynchronous implicit feedback sampleUSB Audio 2 implicit feedback sample playing stereo and recording mono audio on I2S interface.
• USB CDC ACM UART sampleUse USB CDC ACM UART driver to implement a serial port echo.
• USB CDC-ACM bridgeUse USB CDC-ACM driver to implement a serial port bridge.
• USB device testing applicationTest USB device drivers using a loopback function.
• USB DFUImplement a basic USB DFU device
• USB HID keyboardImplement a basic HID keyboard device.
• USB HID mouseImplement a basic HID mouse device.
• USB Host UVC CameraCapture video from a USB camera.
• USB Mass StorageExpose board's RAM or FLASH as a USB disk using USB Mass Storage driver.
• USB MIDI2 deviceImplements a simple USB MIDI loopback and keyboard device.
• USB shellUse shell commands to interact with USB device stack.
• USB Video webcamSend video frames over USB.
• WebUSBReceive and echo data from a web page using WebUSB API.

Legacy USB device support

• Legacy console over USB CDC ACMOutput "Hello World!" to the console over USB CDC ACM.
• Legacy HCI USBTurn a Zephyr board into a USB Bluetooth dongle (compatible with all operating systems).
• Legacy USB Audio headsetImplement a USB Audio headset device with audio IN/OUT loopback.
• Legacy USB Audio microphone & headphonesImplement a USB Audio microphone + headphones device with audio IN/OUT loopback.
• Legacy USB CDC ACM UART sampleUse USB CDC ACM UART driver to implement a serial port echo.
• Legacy USB device netusb sampleUse USB CDC EEM/ECM or RNDIS implementation
• Legacy USB DFU (Device Firmware Upgrade)Implement device firmware upgrade using the USB DFU class driver.
• Legacy USB HID mouseImplement a basic HID mouse device.
• Legacy USB Mass StorageExpose board's RAM as a USB disk using USB Mass Storage driver.
• Legacy WebUSBReceive and echo data from a web page using WebUSB API.

USB-C device support

• Basic USB-C DRPImplement a USB-C Power Delivery application in the form of a USB-C DRP (Dual Role Power).
• Basic USB-C SinkImplement a USB-C Power Delivery application in the form of a USB-C Sink.
• Basic USB-C SourceImplement a USB-C Power Delivery application in the form of a USB-C Source.

Video

• Video captureUse the video API to retrieve video frames from a capture device.
• Video capture to LVGLCapture video frames and display them on an LCD using LVGL.
• Video TCP server sinkCapture video frames and send them over the network to a TCP client.

zbus

• BenchmarkingMeasure the time for sending 256KB from a producer to N consumers.
• Confirmed channelUse confirmed zbus channels to ensure all subscribers consume a message.
• Dynamic channelUse zbus channels with dynamically allocated messages.
• Message subscriberUse zbus message subscribers to listen to messages published to channels.
• Remote mock samplePublish to a zbus instance using UART as a bridge.
• Runtime observer registrationUse zbus' runtime observer registration to filter data generated by a producer.
• UART bridgeRedirect channel events to the host over UART.
• Work queueUse a work queue to process zbus messages in various ways.
• zbus Async ListenersDemonstrate the usage of zbus async listeners.
• zbus Hello WorldMake three threads talk to each other using zbus.
• zbus Priority BoostIllustrates zbus priority boost feature with a priority inversion scenario.
• zbus Proxy agent - IPCForward zbus messages between different domains using IPC proxy agents.

Sysbuild

• Hello World for multiple board targets using SysbuildRun a hello world sample on multiple board targets
• MCUboot with sysbuildBuild a Zephyr application + MCUboot using sysbuild.

TF-M Integration

• TF-M Firmware UpdatePerform a firmware update using the PSA Firmware Update API.
• TF-M IPCImplement communication between the secure and non-secure images using IPC.
• TF-M PSA cryptoUse the PSA Crypto API for cryptography and device certificate signing requests.
• TF-M PSA Protected StorageUse the Protected Storage (PS) API to store encrypted data.
• TF-M Secure PartitionCreate a secure partition that exposes secure services.

Userspace

• Hello WorldPrint a simple "Hello World" from userspace.
• Producer/consumerManipulate basic user mode concepts.
• Syscall performanceMeasure performance overhead of a system calls compared to direct function calls.
• Userspace Protected MemoryUse memory partitioning to protect memory between threads.