Class: Rotor::Gcode

Inherits:
Object
  • Object
show all
Defined in:
lib/rotor/gcode.rb

Instance Method Summary collapse

Constructor Details

#initialize(stepper_x = nil, stepper_y = nil, stepper_z = nil, scale = 1, servo = nil, fast_move = 1) ⇒ Gcode

Returns a new instance of Gcode.



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# File 'lib/rotor/gcode.rb', line 3

def initialize(stepper_x=nil,stepper_y=nil,stepper_z=nil,scale=1,servo=nil,fast_move=1)
  @stepper_x = stepper_x
  @stepper_y = stepper_y
  @stepper_z = stepper_z
  @fast_move = fast_move
  @scale = scale
  @servo = servo
end

Instance Method Details

#open(file) ⇒ Object 



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# File 'lib/rotor/gcode.rb', line 12

def open(file)
  @file = File.open(file)
end

#simulate(accuracy = 8, speed = 1) ⇒ Object 



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# File 'lib/rotor/gcode.rb', line 16

def simulate(accuracy=8,speed=1)
  @x = 0
  @y = 0
  @z = 0

  line_num = 0

  @file.each_line do |line|
    line[0..2] = @previous_command if line[0..2] == "   "
    parsed_line = parse_line(line)
    
    line_num += 1
    if parsed_line[:g]
      #Move to this origin point.
      if parsed_line[:g] == 0
        puts "Move Stepper (#{line_num})::#{parsed_line}"
        move_stepper(parsed_line,@fast_move)
      elsif parsed_line[:g] == 1
        puts "Move Stepper (#{line_num})::#{parsed_line}"
        move_stepper(parsed_line,speed)
      elsif parsed_line[:g] == 2 || parsed_line[:g] == 3
        # Get my ARC on
        ignore = false

        x_start = @x
        x_end = parsed_line[:x]

        y_start = @y
        y_end = parsed_line[:y]

        z_start = @z
        z_end = parsed_line[:z]

        if (parsed_line[:i] || parsed_line[:j] || parsed_line[:k]) && parsed_line[:r].nil?
          x_offset = parsed_line[:i]
          y_offset = parsed_line[:j]
          z_offset = parsed_line[:k]

          x_origin = x_offset + x_start
          y_origin = y_offset + y_start
          # z_origin = z_offset + z_start

          radius = Math.sqrt((x_start - x_origin) ** 2 + (y_start - y_origin) ** 2)
   
        elsif parsed_line[:i].nil? && parsed_line[:j].nil? && parsed_line[:k].nil? && parsed_line[:r]
          ignore = true
        end

        unless ignore
          distance = Math.sqrt((x_start - x_end) ** 2 + (y_start - y_end) ** 2)
          number_of_precision = [distance.to_i,8].max
          start_angle = Math.atan2((y_start - y_origin),(x_start - x_origin))
          end_angle = Math.atan2((y_end - y_origin),(x_end - x_origin))

          if start_angle - end_angle > Math::PI
            end_angle += Math::PI * 2
            # puts "Move Arc Stepper (#{line_num})::Insert Fix"
          elsif start_angle - end_angle < -Math::PI
            end_angle *= -1
            # puts "Move Arc Stepper (#{line_num})::Insert Fix 2"
          end

          steps = (end_angle - start_angle) / number_of_precision
          current_degrees = start_angle
        end

        number_of_precision.times do |i|
          current_degrees += steps
          arc_line = {}
          arc_line[:g] = parsed_line[:g]
          arc_line[:x] = radius * Math.cos(current_degrees) + x_origin
          arc_line[:y] = radius * Math.sin(current_degrees) + y_origin
          arc_line[:z] = nil
          # puts "Move Arc Stepper (#{line_num})::#{arc_line}::#{start_angle},#{end_angle}"
          move_stepper(arc_line,speed)
        end unless ignore

      else
        # puts "DEBUG::GLINE - Something else::#{parsed_line}"
      end
      @previous_command = line[0..2]
    elsif parsed_line[:m]
      if line[0..2] == "M03"
        puts "Lowering marker"
        @servo.rotate(:down) if @servo
      elsif line[0..2] == "M05"
        puts "Lifting marker"
        @servo.rotate(:up) if @servo
      else
        # puts "DEBUG::MLINE - Something else::#{parsed_line}"
      end
    else
      # puts "DEBUG::????? - Something else::#{parsed_line}"
    end        
  end
end