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SOFTWARE DEVELOPMENT

SOFTWARE DEVELOPMENT. Design Plan Development Tools & Platforms Test Plan. Design Plan. Central Control by DPU DSP treated as a peripheral Inter-Module communication uses Shared Mass Memory. Development Tools & Platforms. Heritage from IMAGE/FUV 8085 Assembler, Linker Test Pod

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SOFTWARE DEVELOPMENT

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  1. SOFTWARE DEVELOPMENT • Design Plan • Development Tools & Platforms • Test Plan

  2. Design Plan • Central Control by DPU • DSP treated as a peripheral • Inter-Module communication uses Shared Mass Memory

  3. Development Tools & Platforms • Heritage from IMAGE/FUV • 8085 Assembler, Linker • Test Pod • Reset and Function Switches • 8085 debugger • Upload into RAM • Debug display on monitoring PC

  4. Test Plan • Documents • ISUAL Requirements Document • Interface Control Documents • Simulators • Development Milestones

  5. Simulators • ISUAL Simulator • developed from DPU breadboard • Spacecraft Simulator • Testing ISUAL • Developing Ground Data Processing Software

  6. Development Milestones • Established by Project Management • Defined Hardware Configuration • Defined Level of System Integration • Formal Test: • list of objectives • specific functional requirements to be satisfied

  7. Version Control • CVS Software • Central Repository • Parallel Development • Log of changes • Ability to Reconstruct Previous/Alternate Versions

  8. Software Modules Parameter and Mode Control Table FWHEEL Overall Sequence Control Filter Wheel POWER SEQ CAMCTL CMD Camera SC_IN TLM DSP Data Compression SC_OUT SPHOT APHOT Spacecraft: Command, Status, Telemetry Photometers

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