Technical data

Product Specification
HIF-2121/R5 CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 965-1176-601 REV: D SHEET 40
3.7 Software Design Requirements
The EGPWC software development process creates software, which meets the guidelines of RTCA DO-178B, Levels C and
D as identified in the following table. Refer to the Software Development Plan for the EGPWC (SDP) for additional
information regarding the Computer Software Configuration Items (CSCIs) listed below.
EGPWC SOFTWARE DEVELOPMENT AND CERTIFICATION
CSCI Component Function Certification
Application Software Shared Functions Utilities DO-178B Level C
Operating System DO-178B Level C
Flash File System DO-178B Level C
Current Value Table DO-178B Level C
Configuration DO-178B Level C
Non-Volatile Memory DO-178B Level C
Monitoring Functions Task Monitor DO-178B Level C
Built In Test DO-178B Level C
I/O Functions Input Processing DO-178B Level C
Output Processing DO-178B Level C
Alerting Functions Ground Proximity Warning DO-178B Level C
Advisories DO-178B Level C
Windshear DO-178B Level C
Terrain Awareness DO-178B Level C
Maintenance Functions Self Test DO-178B Level D
Maintenance System Support DO-178B Level D
Flight History DO-178B Level D
Keyboard Monitor DO-178B Level D
Boot Loader Software DO-178B Level C
DITS Handler Software DO-178B Level C
Analog Acquisition Software DO-178B Level C
Configuration Database DO-178B Level C
Envelope Mod Database Database B01 DO-178A Level 2
Database B02 and on DO-178B Level C
Terrain Database DO-200A