TestLightDrivenOscillation

TestLightDrivenOscillation preview image

1 collaborator

Corey Corey Brady (Author)

Tags

(This model has yet to be categorized with any tags)
Visible to everyone | Changeable by everyone
Model was written in NetLogo 5.0 • Viewed 94 times • Downloaded 5 times • Run 0 times
Download the 'TestLightDrivenOscillation' modelDownload this modelEmbed this model

Do you have questions or comments about this model? Ask them here! (You'll first need to log in.)


Comments and Questions

Please start the discussion about this model! (You'll first need to log in.)

Click to Run Model

extensions [ gpio ]

turtles-own [ velocity acceleration ]

globals 
[ 
  digitals
  analogs
  last-level
  strip
  gopwm
] 

to startup
  setup
end 

to setup
  
  ca
  create-turtles 1 [ set shape "circle" set size 3 set color red set velocity 1 set heading 90]
  set gopwm true
  set digitals n-values 19 [ 0 ]
  set analogs n-values 6 [ 0 ]
  reset-ticks
  parse gpio:all-info
end 

to parse [ lists ]
  set digitals item 0 lists
  set analogs item 1 lists
end 

to refresh
  parse gpio:all-info
end 

to-report gpio [ n ]
  report item n digitals
end 

to-report adc [ n ]
  report item n analogs
end 

to go
  every .1
  [
    refresh
    ask turtles [ 
      let sgn -1 
      if xcor > 0 [ set sgn 1 ]
      set acceleration -1 * light-level * ( sgn )
      set velocity velocity + acceleration 
      ]
    ask turtles [ fd velocity  adjust-light abs xcor / max-pxcor ]
    
    tick
  ]
end 


;;from experiment, i'm getting a range between 120 and 220 for the light meter
;;these values can be chanmged

to-report light-level
  let minv 120
  let maxv 220
  let val ((adc 4) - minv) / (maxv - minv)
  if (val > 1) [ report 1 ]
  if (val < 0) [ report 0 ]
  report val
end 

to adjust-light [ percent ]
  let minv 0
  let maxv 128
  let pwm-level round ( minv + percent * (maxv - minv) )
  if (pwm-level != last-level) [
     let resp gpio:pwm-set-level (word which-pwm) (word pwm-level)
     set last-level pwm-level
  ]
end 

There is only one version of this model, created over 5 years ago by Corey Brady.

Attached files

File Type Description Last updated
TestLightDrivenOscillation.png preview Preview for 'TestLightDrivenOscillation' over 5 years ago, by Corey Brady Download

This model does not have any ancestors.

This model does not have any descendants.