class Escalator::Console
Public Instance Methods
run()
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# File lib/escalator/console.rb, line 32 def run l = true trap(:INT) { puts "\n> " } display_title loop do begin print "> " line = STDIN.gets case line.chomp when /^\s*exit\s*$/, /^\s*quit\s*$/, /^\s*q\s*$/ break when /^r\s+(\w+)(\s+(\d+))?/ d = protocol.device_by_name EscDevice.new($1) c = $2 ? $2.to_i : 1 values = protocol.get_from_devices d, c values = values.map{|v| case v; when true; 1; when false; 0; else; v; end} puts values.join(" ") when /^p\s+(\w+)(\s+(\d+))?/ d = protocol.device_by_name EscDevice.new($1) t = $2 ? $2.to_f : 0.1 protocol.set_to_devices d, true sleep t protocol.set_to_devices d, false when /^w\s+(\w+)/ d = protocol.device_by_name EscDevice.new($1) v = $'.scan(/\d+/).map{|e| e.to_i} protocol.set_to_devices d, v when /^E\s+/ puts protocol.execute(line) when /^help/, /^h/ display_help end rescue => e puts "*** ERROR: #{e} ***" end end end
Private Instance Methods
display_help()
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# File lib/escalator/console.rb, line 87 def display_help puts <<EOB Commands: r: Read values from device. r device [count] e.g.) it reads values from M0 to M7. > r m0 8 w: Write values to device. w device value1 value2 ... e.g.) it write values from D0 to D7. > w d0 1 2 3 4 5 6 7 8 e.g.) it write values from M0 to M7. > w m0 0 0 0 1 1 0 1 1 p: Pulse out on device. Default duration is 0.1 sec p device [duration] e.g.) it write 1 to m0, then write 0 after 0.5 sec. > w m0 0.5 q: Quit this. You can use quit and exit instead of q. h: Show help. You can use help instead of h. EOB end
display_title()
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# File lib/escalator/console.rb, line 78 def display_title puts <<EOB Escalator is an abstract PLC. This is a console to communicate with PLC. EOB end
protocol()
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# File lib/escalator/console.rb, line 74 def protocol target.protocol end