Services

Zephyr provides a comprehensive set of subsystems and associated services that applications can leverage. These services expose standardized APIs that abstract away hardware implementation details, making applications portable across different platforms.

Connectivity

• Connectivity
  • Networking
  • Bluetooth
  • USB
  • Controller Area Network (CAN) Bus Protocols
  • LoRa and LoRaWAN
  • Modbus
  • Modem modules

Input / Output

• Input / Output
  • Console
  • Input
  • Real Time I/O (RTIO)
  • Formatted Output

Inter-Process Communication

• Inter-Process Communication
  • Interprocessor Communication (IPC)
  • Zephyr bus (zbus)
  • Asynchronous Notifications
  • Virtualization

Logging, Tracing & Debugging

• Logging, Tracing & Debugging
  • Logging
  • Tracing
  • Debugging
  • Profiling
  • Instrumentation
  • CPU load
  • Shell
  • Task Watchdog

Storage & Configuration

• Storage & Configuration
  • Disk Access
  • Flash Circular Buffer (FCB)
  • File Systems
  • Flash map
  • Non-Volatile Memory (NVMEM)
  • Non-Volatile Storage (NVS)
  • Retention System
  • Secure Storage
  • Settings
  • Stream Flash
  • Zephyr Memory Storage (ZMS)

Memory Management

• Memory Management
  • Memory Attributes
  • Network Buffers

Power Management

• Power Management
  • Power Management
  • CPU Frequency Scaling
  • Power off
  • Resource Management

Security

• Security
  • Cryptography
  • Authentication
  • JSON Web Token (JWT)
  • Trusted Firmware-M (TF-M)
  • UUID

Device Management

• Device Management
  • Device Management
  • Binary Descriptors

Algorithms & Data

• Algorithms & Data
  • CRC
  • Digital Signal Processing (DSP)
  • Serialization

Frameworks

• Frameworks
  • Linkable Loadable Extensions (LLEXT)
  • Sensing Subsystem
  • State Machine Framework

OS Abstraction

• OS Abstraction
  • POSIX
  • CMSIS RTOS v1
  • CMSIS RTOS v2