lib/rfbeam/kld7/streamer.rb in rfbeam-0.5.1 vs lib/rfbeam/kld7/streamer.rb in rfbeam-0.5.8

@@ -1,11 +1,12 @@
-# rubocop:disable all
-require "unicode_plot"
-require "io/console"
-require "stringio"
-require "tty-screen"
+# frozen_string_literal: true
 
+require 'io/console'
+require 'stringio'
+require 'tty-screen'
+require 'unicode_plot'
+
 module RfBeam
   module KLD7
     class Streamer
       attr_accessor :radar
 
@@ -13,12 +14,12 @@
         @radar = radar
       end
 
       def monitor_keypress
         loop do
-          key = STDIN.getch
-          if key.downcase == "q"
+          key = $stdin.getch
+          if key.casecmp('q').zero?
             @stop_streaming = true
             break
           end
         end
       end
@@ -52,30 +53,30 @@
 
       def plot_data(data)
         {
           x: Array(-128...128),
           series1: data.shift(256).map { |value| value / 100 },
-          series2: data.shift(256).map { |value| value.to_i / 100 }
+          series2: data.shift(256).map { |value| Integer(value, 10) / 100 }
         }
       end
 
       def rfft_plot(radar)
         width = TTY::Screen.width * 0.65
         data = plot_data(radar.rfft)
         plot =
           UnicodePlot.lineplot(
             data[:x],
             data[:series1],
-            name: "IF1/2 Averaged",
-            title: "Raw FFT",
+            name: 'IF1/2 Averaged',
+            title: 'Raw FFT',
             height: 25,
-            width: width,
-            xlabel: "Speed (km/h)",
-            ylabel: "Signal (db)",
+            width:,
+            xlabel: 'Speed (km/h)',
+            ylabel: 'Signal (db)',
             xlim: [-128, 128],
             ylim: [0, 100]
           )
-        UnicodePlot.lineplot!(plot, data[:x], data[:series2], name: "Threshold")
+        UnicodePlot.lineplot!(plot, data[:x], data[:series2], name: 'Threshold')
         plot
       end
     end
   end
 end