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Team 3125 Programming/Electrical Subteams. 28-Oct-09 Breakout session. Cody Harris Technical Director. Introduction. Programming “Programs the robot control interface and autonomous mode” (Team 3125 Handbook) Pre-Season: Algorithm Development, Learn Syntax

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team 3125 programming electrical subteams

Team 3125Programming/Electrical Subteams

28-Oct-09 Breakout session

Cody Harris

Technical Director

  • Programming
    • “Programs the robot control interface and autonomous mode” (Team 3125 Handbook)
    • Pre-Season: Algorithm Development, Learn Syntax
    • Build Season: Design and Implement Robot Software
    • Drive Season: Work Pit Crew, Troubleshoot
    • Post-Season: Make code accessible for next year’s team
  • Electrical
    • “Works with the mechanical team to design and implement the electronics of the robot” (Team 3125 Handbook)
    • Pre-Season: Learn Control System layout, Soldering Techniques, etc.
    • Build Season: Construct Control System, Implement Software, Wire Robot
    • Drive Season: Work Pit Crew, Troubleshoot
    • Post-Season: Ensure Control System is ready for next year’s team
programming pre season
Programming Pre-Season
  • Algorithm Development (October – Mid-November)
    • Think Like a Computer
    • Understand Object-Oriented Programming
    • Determine necessary classes and patterns of inheritance
    • Write Pseudocode to solve a problem
  • Selection of Language (Mid-November)
    • Sun Microsystems Java Development Kit (BETA Release)
    • National Instruments LabView (Graphical Programming)
    • C/C++ with FRC API (Less specific documentation)
  • Learn Syntax of Selected Language (Mid-November – December)
algorithm development
Algorithm Development
  • Algorithm: A method of solving a problem involving a finite series of steps
  • Binary Decision-Making
  • Flow-chart layout
  • Symbology
think like a computer
Think Like a Computer
  • Mass Casualty Incident START Triage
putting it all together pb j lab
Putting it all Together – PB&J Lab
  • How do you make a peanut butter and jelly sandwich?
level of detail
Level of Detail
  • Breadth vs. Depth
subroutines interrupts parameters returns
Subroutines, Interrupts, Parameters, Returns
  • What about breathing?
    • Repetitive tasks are defined in subroutines
    • Subroutines can be called from another method by name, or called when the program is interrupted, such as by a timer or a button press
    • A subroutine can require a parameter, or piece of data, be provided every time it is called that it will use in the routine; interrupts can pass the interrupter as a parameter
    • Once the routine is done, the program goes back to where it left off; it can pass a piece of data in return based on its execution, or it can pass void to indicate it is complete
  • Pseudocode is an abstraction of source code
    • Pseudocode is language-specific, but there are strong similarities between C/C++ and Java pseudocode
    • Pseudocode is not strictly defined, as it is for human interpretation
    • A method pseudocode would look like this:<return type> <method name>(<p 1>, <p 2>)
    • { Do something Do something else If something is true Do something OtherwiseDo something Different Return something}
electrical pre season
Electrical Pre-Season
  • Learn Control System (October – Mid-December)
    • National Instruments “Compact RIO” Microcontroller
    • FRC Driver Station
    • Pulse Width Modulation
    • Proportional-Integral-Derivative Controller hardware
  • Tools of the Trade (October – Kickoff)
    • Soldering techniques
    • Electrical safety
    • Working with Programmers
    • Electronics Testing and Evaluation
    • Oscilliscopes
digital side car
Digital Side Car

  • Non-Mechanical Technical Fields
    • Programming (“Brains” of the bot)
    • Electrical (“Nerves and bloodstream” of the bot”)
  • Next Workshop
    • Programming: “Skeleton Programming” for Aim High! Game
    • Electrical: How to format and work with the cRIO
  • Assistant Position
    • Effective Span of Control (1 Supervisor : 3-7 Subordinates)
    • Interested Juniors: Details at next meeting, or contact me
future meetings
Future Meetings
  • Online Chats via Skype
  • Online IMs via AIM, FacebookIM, etc.
  • Conference Call Service
  • In-house meetings will be held on Mondays and Wednesdays
    • Mondays will be a short business meeting of the entire team to ensure subteams are coordinated
    • Wednesday meetings, by subteam, will consist of workshops; teams may meet online as an alternative when practical