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- A.R.M.O.R. – Software System Overview. -Aldo Alania – Western Washington University 2008-2009. General System Design. Motorola MC9S12C128 w/ 16K Fixed Flash EEPROM, 4K Bytes RAM Memory Requirements for Project 8K ROM, 1K RAM.

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a r m o r software system overview
- A.R.M.O.R. –Software System Overview

-Aldo Alania –

Western Washington University

2008-2009

general system design
General System Design
  • Motorola MC9S12C128

w/ 16K Fixed Flash EEPROM, 4K Bytes RAM

  • Memory Requirements for Project

8K ROM, 1K RAM

kernel selection
Kernel Selection
  • Time Slice kernel
    • Time slice Period of 10ms
    • Bus frequency of 24MHz
  • Estimated Memory Requirements :2K
task designation
Task Designation
  • 5) Switches and Shock Sensor Input task
  • 6) State Control task
  • 7) Pressure Sensor Input Task
switches and shock sensor input task
Switches and Shock Sensor Input task
  • Description: Gets the input data from all switches and shock sensor.
  • Execution Time: 1.17us
  • Period: 10ms
  • CPU Load: .000117
state control task
State Control Task
  • Description: The system starts in the ARMED state. If the AlarmSignal variable was set from the switches and sensor task, it would go into the ALARM state
  • Execution Time: 1.54us
  • Period: 10 ms
  • CPU Load: .000154
pressure input sensor task
Pressure Input Sensor Task
  • Description: Provides a high output signal and temperature compensation
  • Execution time: 10us
  • Period: 10ms
  • CPU Load: .001
estimated cpu load
Estimated CPU Load

L = .000117+.000154+.001 = .00127

LMAX = .13%

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