Renamed ComTester.py to PrinterEmulator.py

PrinterEmulator.py

@@ -0,0 +1,94 @@
+# Copyright (c) 2015, Lars Brubaker
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met: 
+# 
+# 1. Redistributions of source code must retain the above copyright notice, this
+#    list of conditions and the following disclaimer. 
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution. 
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# 
+# The views and conclusions contained in the software and documentation are those
+# of the authors and should not be interpreted as representing official policies, 
+# either expressed or implied, of the FreeBSD Project.
+
+# This is to test connection and printing. We use it with com0com 
+# to validate MatterControl under various situations.
+from time import sleep
+import sys
+import argparse
+import serial
+import time
+import random
+
+"""Add response callbacks here"""
+def randomTemp(command):
+	# temp commands look like this: ok T:19.4 /0.0 B:0.0 /0.0 @:0 B@:0
+	return "ok T:%s\n" % random.randrange(202,215)
+
+def getPosition(command):
+	# temp commands look like this: X:0.00 Y:0.00 Z0.00 E:0.00 Count X: 0.00 Y:0.00 Z:0.00 then an ok on the next line
+	return "X:0.00 Y:0.00 Z0.00 E:0.00 Count X: 0.00 Y:0.00 Z:0.00\nok\n"
+
+def reportMarlinFirmware(command):
+	return 'FIRMWARE_NAME:Marlin V1; Sprinter/grbl mashup for gen6 FIRMWARE_URL:https://github.com/MarlinFirmware/Marlin PROTOCOL_VERSION:1.0 MACHINE_TYPE:Framelis v1 EXTRUDER_COUNT:1 UUID:155f84b5-d4d7-46f4-9432-667e6876f37a\nok\n'
+
+def echo(command): 
+	return command
+	
+def parseChecksumLine(command):
+	if command[0] == 'N':
+		spaceIndex = command.find(' ') + 1
+		endIndex = command.find('*')
+		return command[spaceIndex:endIndex]
+	else:
+		return command
+
+def getCorrectResponse(command):
+	try:
+		#Remove line returns
+		command = ''.join(command.splitlines()) # strip of the trailing cr (\n)
+		command = parseChecksumLine(command)
+		if command in responses:
+			return responses[command](command)
+	except Exception, e:
+		print e
+		
+	return 'ok\n'
+
+"""Dictionary of command and response callback"""
+responses = { "M105" : randomTemp, "A" : echo, "M114" : getPosition , "N" : parseChecksumLine, "M115" : reportMarlinFirmware }
+
+def main(argv):
+	parser = argparse.ArgumentParser(description='Set up a printer emulation.')
+	if len(argv) > 0:
+		ser = serial.Serial(argv[0], 250000, timeout=1)	
+	else:
+		ser = serial.Serial('COM14', 250000, timeout=1)	
+	waitForKey = True
+	print "Initializing emulator..."
+	while True:
+		line = ser.readline()   # read a '\n' terminated line
+		if len(line) > 0:
+			print(line)
+			response = getCorrectResponse(line)
+			# sleep(0.02)
+			print response
+			ser.write(response)
+	ser.close()
+
+if __name__ == "__main__":
+	main(sys.argv[1:])