cleanup, add backspace

rotary-kb.py

@@ -1,12 +1,13 @@
 #!/bin/env python3
 import serial
 import time
+import os
 from pynput import mouse, keyboard
 
 PORT = "/dev/ttyACM1"
 
-keys = list(" abcdefghijklmnopqrstuvwxyz") + [keyboard.Key.enter]
-keys_display = " abcdefghijklmnopqrstuvwxyz\\"
+keys = list(" abcdefghijklmnopqrstuvwxyz") + [keyboard.Key.enter, keyboard.Key.backspace]
+keys_display = " abcdefghijklmnopqrstuvwxyz\\<"
 
 kb = keyboard.Controller()
 arduino = serial.Serial(port=PORT, baudrate=9600, timeout=.1)
@@ -15,12 +16,23 @@ active_btn = -1
 
 pos = 0
 
+if os.name == "nt":
+	def clear():
+		os.system("cls")
+else:
+	def clear():
+		os.system("clear")
+
+
 def print_state():
 	global pos
+	clear()
 	print(keys_display)
 	print(" " * pos + "^")
 	print(pos)
 
+print_state()
+
 while True:
 	event = arduino.readline().decode("utf-8").replace("\r\n", "")
 	if event == "cw":