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Producing Morse Code

Producing Morse Code. Pete Sanderson Chuck Burchard Patrick Bobbie Alma College Lego Mindstorms Workshop 16 June 2005. Overview. Characters typed at PC keyboard are sounded in Morse code by the RCX. Java or NQC programming language Can be tailored to 3 levels: CS 2 Operating Systems

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Producing Morse Code

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  1. Producing Morse Code Pete Sanderson Chuck Burchard Patrick Bobbie Alma College Lego Mindstorms Workshop 16 June 2005

  2. Overview • Characters typed at PC keyboard are sounded in Morse code by the RCX. • Java or NQC programming language • Can be tailored to 3 levels: • CS 2 • Operating Systems • Net-Centric Computing • Configuration: PC and RCX, no sensors or motors at minimum

  3. Problem Statements • CS 2 Level • Operating Systems Level • Net-Centric Level

  4. CS 2 Level Problem Statement • PC prompts user for one line message • PC stores message in string • PC transmits string to RCX • RCX displays each character one at a time while simultaneously sounding the equivalent Morse code. • Optionally: RCX signals completion to PC for next message.

  5. OS Level Problem Statement • Extends CS 2 Level • Focus on Producer(PC)-Consumer (RCX) • Bounded buffer on RCX. Experiment with buffering strategies, e.g. transmitting each character as typed versus full buffer • Develop basic synchronization mechanism

  6. Net-Centric Problem Statement • Builds on OS Level • PC-RCX synchronization protocols to allow real-time communication • Explore using the Morse as a mechanism to control other RCX’s that are equipped with sound-sensor-based devices (e.g., or RCXs or Motes - which use the RF-based protocols rather than the constraining IR protocols ) • Explore using other display devices, e.g., PDAs, to receive resultant Morse codes (sound notes) for conversion and display

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