* introduced small python terminal script

tools/pyterm/pyterm.py

@@ -0,0 +1,55 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+import cmd, serial, sys, threading, readline, time
+from datetime import datetime
+
+class MyCmd(cmd.Cmd):
+
+	def default(self, line):
+		self.stdout.write(line + "\n")
+
+	def do_help(self, line):
+		self.stdout.write(line + "\n")
+
+	def complete_date(self, text, line, begidx, endidx):
+		date = datetime.now().strftime("%Y-%M-%d %H:%m:%S")
+		return ["date %s\n" % date]
+
+	def do_exit(self, line):
+		sys.exit(0)
+
+def sender(ser):
+	time.sleep(5)
+	ser.write("ps\n")
+
+def reader(ser):
+	while (1):
+		c = ser.read(1)
+		sys.stdout.write(c)
+		sys.stdout.flush()
+
+if __name__ == "__main__":
+	
+	if (len(sys.argv) != 2):
+		print("Usage: %s <PORT>" % sys.argv[0])
+		sys.exit(-1)
+
+	p = sys.argv[1]
+	ser = serial.Serial(port=p, baudrate=115200, dsrdtr=0, rtscts=0)
+
+	ser.setDTR(0)
+	ser.setRTS(0)
+
+	# start serial->console thread
+	receiver_thread = threading.Thread(target=reader, args=(ser,))
+	receiver_thread.setDaemon(1)
+	receiver_thread.start()
+
+	sender_thread = threading.Thread(target=sender, args=(ser,))
+	sender_thread.start()	
+
+	myshell = MyCmd(stdout=ser)
+	myshell.prompt = ""
+
+	myshell.cmdloop("Opening port: %s" % sys.argv[1])