Case Study

Aircraft Seat Power Supply Software

Design, development and testing of firmware for Integrated Power Module (IPM) as per RTCA-DO-178B, DAL C

Scope

Design, development and testing of firmware for Integrated Power Module (IPM) for A350, A380 and A330 programs as per RTCA-DO-178B, DAL C

Functionality

  • AC/DC and DC/AC conversion
  • DC power to In-Flight-Entertainment
  • Power Management
  • POST and BITE
  • Overload, short circuit, over/under voltage protection
  • Communication using RS-485, I2C

 

Approach

  • Software Requirements Specification
  • Software Design:
  • SW I/F definitions, State diagrams, sequence diagrams, SDD
  • Software Development
  • Testing : LLT, SSIT, HSIT, System Testing

 

Tools & Software and Standards

C l PERL l LabVIEW

Tools:

DOORS l ARTiSAN l Clear Case l Clear Quest l Lab VIEW | HEW | Eclipse | C GNU compiler

Bus Protocols:

RS-485 | SPI l I2C Chipsets: Renesas H8S2378 micro-controller

Standards:

RTCA-DO-178B Level C

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