module Spark_MDP 'cat;Variables'
author 'Fab Lab BH'
version 1 0 
description ''

  spec ' ' 'RGBLED3' 'RGBLED Pin _ R _ G _ B _' 'num num num auto' 17 50 50 50
  spec ' ' 'RGBLED3 Pin' 'RGBLED Pin _ R _ G _ B _' 'auto bool bool bool' 17 true true true
  spec ' ' 'Traffic Light' 'Traffic Light Pin _ R _ Y _ G _' 'auto bool bool bool' 17 true true true
  spec ' ' 'Traffic Light Pin' 'Traffic Light Pin _ R _ Y _ G _' 'num num num num' 17 255 255 255
  spec 'r' 'Ultrasonic Pin' 'Ultrasonic Pin _' 'num' 17

to RGBLED3 Pin Red Green Blue {
  analogWriteOp Pin Red
  analogWriteOp (Pin + 1) Green
  analogWriteOp (Pin + 2) Blue
}

to 'RGBLED3 Pin' Pin Red Green Blue {
  digitalWriteOp Pin Red
  digitalWriteOp (Pin + 1) Green
  digitalWriteOp (Pin + 2) Blue
}

to 'Traffic Light' Pin Red Yellow Green {
  digitalWriteOp Pin Red
  digitalWriteOp (Pin + 1) Yellow
  digitalWriteOp (Pin + 2) Green
}

to 'Traffic Light Pin' Pin Red Yellow Green {
  analogWriteOp Pin Red
  analogWriteOp (Pin + 1) Yellow
  analogWriteOp (Pin + 2) Green
}

to 'Ultrasonic Pin' Pin {
  comment 'Contributed by Joan Guillén and Josep Ferràndiz'
  digitalWriteOp (Pin + 1) false
  waitMicros 2
  digitalWriteOp (Pin + 1) true
  waitMicros 50
  digitalWriteOp (Pin + 1) false
  local 'start' (microsOp)
  waitUntil (or (not (digitalReadOp (Pin + 2))) (((microsOp) - start) > 23320))
  waitUntil (or (digitalReadOp (Pin + 2)) (((microsOp) - start) > 23320))
  if (((microsOp) - start) > 23320) {
    comment 'Distance sensor not ready; return the last distance reading'
    return _sr04_last
  }
  comment 'Pulse sent. Measure time until echo is detected.'
  start = (microsOp)
  waitUntil (or (not (digitalReadOp (Pin + 2))) (((microsOp) - start) > 23320))
  _sr04_last = ((10 * ((microsOp) - start)) / 583)
  comment 'Leave some time for reverberations to die away.'
  waitMillis 10
  return _sr04_last
}