HSC2011/Software

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there will be different software components involved

there is a firmware on each device

there will be a hostsoftware (webserver) that runs on the pc/laptop

this webserver will provide a webinterface to the javascript application

there are positions open for

  • the webserver/serialcom (python) amir implements this job with java
  • the webfrontend application logic (javascript)
  • the webfrontent design (CSS)
  • firmware and protocoldesign (AVR)

firmware

The current firmware is written by clifford and chrysn and is currently capable of both being a buzzer and being a base station; the base station can control all the hardware in the buzzers and receive events. It can be checked out from the firmware part of the project repository.

During firmware development, a serial protocol was developed, which is documented alongside the firmware.

Open issues are in descending priority:

  • separate timeout arrays for login and event
  • redirect messages for controlling the base station itself
  • fine-tuning timing for re-sends and responses (may only need validation)
  • virtual machine, including read/write commands
    • compiler
  • reading battery status (might require some hardware modification)
  • reading RSSI state
  • multicasts
  • removing arduino specific stuff to reduce resource usage (not a priority unless resources become a real problem)

PC server

There is a proof-of-concept implementation of a serial controller and a simple voting game for debugging purposes in the repository. It demonstrates that the firmware can also do logins, handle disconnected clients and respond to events.