Requirement Specifications

It’s an Embedded-programming – project internship, which in advance blended mode comes bundled with Microwave Simulator Project.

Default Screen

• When the system is in Operation Mode, it would act like a dash board which would show the current time, speed of vehicle and the latest occurred event.

Login Screen

• On press of the UP or DOWN (User Keys) keys the system should prompt for password
• The password would be the combination of 4 presses (User Keys).
• Each press should be denoted a “*” symbol
• Every wrong entry would, re prompt for password (Max 3 times for every 15 minutes)
• Incomplete key press (pause of 3 seconds) would lead to Default Screen

Main Menu

• The main menu should contain 2 option
  • View Log
  • Set Time
• The UP / DOWN keys are used to navigate
• A long press of UP Key should enter the selected menu
• A long press of DOWN Key should logout
• Idle screen for more than 5 secs should logout

View Log

• Should display all the events captured with log index starting from 0, like
  “EVENT NUMBER” “EVENT SIGNATURE” “EVENT TIME” “SPEED AT THE EVENT”
• The UP and DOWN key will be used to scroll the entries
• Rollover on reaching the max log entries
• The system should be live (capture events occurred) even while viewing the log
• A long press of UP Key should take you back to main menu

Set Time

• Should show the current time. The Secs field should blink indicating the field to be changed
• The UP key should be used to increment the time. Rollover on reaching max
• The DOWN key will be used to choose the field.
• A long press of UP Key should take you back to main menu

Event Capture

• Required events have to be captured and stored in the memory
• Every event should have a format as
  “EVENT SIGNATURE” “EVENT TIME” “SPEED AT THE EVENT”
• The events should be captured real time, no matter which mode you are in

References:

https://en.wikipedia.org/wiki/Event_data_recorder