1 files changed, 118 insertions, 0 deletions
diff --git a/src/sw/seriedebug.py b/src/sw/seriedebug.py
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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#=======================================================================
+#
+# seriedebug.py
+# -------------
+# Program that sends test bytes onto the serial link and print out
+# any response.
+#
+# Note: This proram requires the PySerial module.
+# http://pyserial.sourceforge.net/
+#
+# 
+# Author: Joachim Strömbergson
+# Copyright (c) 2014 SUNET
+# 
+# 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.
+#
+#=======================================================================
+
+#-------------------------------------------------------------------
+# Python module imports.
+#-------------------------------------------------------------------
+import sys
+import serial
+
+    
+#-------------------------------------------------------------------
+# main()
+#
+# Parse arguments.
+#-------------------------------------------------------------------
+def main():
+    print "Seriedebug started..."
+    print
+
+    verbose = True
+    
+    # Create a serial devce and configure it.
+    # Should be:
+    # 1200 Baud
+    # 1 start bit
+    # 8 data bits
+    # 1 even parity bit
+    # 2 stop bits
+    # No RTS/CTS
+    # Note: You need to update to the correct device in your system.
+    ser = serial.Serial()
+    ser.port='/dev/cu.usbserial-A5020LKF'
+    ser.baudrate=1200
+    ser.bytesize=8
+    ser.parity='E'
+    ser.stopbits=2
+    ser.timeout=1
+    ser.writeTimeout=0
+
+    # Open the interface.
+    ser.open()
+    if verbose:
+        print "Opening device."
+        
+    # Send a byte and try to get the response.
+    test_byte = '\xaa'
+    ser.write(test_byte)
+    if verbose:
+        print "transmitting byte 0x%0x" % ord(test_byte)
+
+    
+    if verbose:
+        print "Waiting for response..."
+
+    response = ""
+    while not len(response):
+        response = ser.read()
+        if len(response):
+            print "received response: 0x%0x" % ord(response)
+
+    # Exit nicely.
+    if verbose:
+        print "Done. Closing device."
+    ser.close()
+
+
+#-------------------------------------------------------------------
+# __name__
+# Python thingy which allows the file to be run standalone as
+# well as parsed from within a Python interpreter.
+#-------------------------------------------------------------------
+if __name__=="__main__": 
+    # Run the main function.
+    sys.exit(main())
+
+#=======================================================================
+# EOF seriedebug.py
+#=======================================================================