QNX Device Driver Development

Microkernel | RTOS | Safety-Critical | Automotive BSP

QNX Neutrino Resource Manager Interrupts ASIL Automotive

Module 1 – QNX Fundamentals

  • QNX architecture overview
  • Microkernel vs monolithic kernels
  • QNX Neutrino OS components
  • Message-passing IPC model

Module 2 – QNX Driver Framework

  • Driver types in QNX
  • Character vs block drivers
  • Driver lifecycle
  • Startup & deployment

Module 3 – Resource Manager Architecture

  • iofunc framework
  • devctl & POSIX APIs
  • Dispatch loops
  • Pathname & namespace handling

Module 4 – Interrupt Handling & Timing

  • InterruptAttach()
  • ISR vs IST
  • Pulse delivery
  • Timers & clocks

Module 5 – Hardware Access & Memory

  • Memory-mapped I/O
  • mmap_device_io & mmap_device_memory
  • DMA & cache coherency
  • Endianness & alignment

Module 6 – BSP & Board Bring-Up

  • QNX BSP structure
  • Startup programs
  • Board configuration
  • Driver integration into BSP

Module 7 – Power Management

  • Power states
  • CPU frequency scaling
  • Thermal management
  • Automotive power modes

Module 8 – Debugging & Performance

  • System Profiler
  • TraceEvent & instrumentation
  • Latency analysis
  • Real-time performance tuning

Module 9 – Safety & Security

  • QNX safety certification overview
  • ASIL & ISO 26262 considerations
  • Driver isolation
  • Secure boot & updates

Capstone – Real-Time Automotive Projects

  • Custom resource manager driver
  • Interrupt-driven device driver
  • BSP driver bring-up
  • Safety-ready driver design