Add an example byte logger.

python/sbp/client/examples/bytes.py

@@ -0,0 +1,54 @@
+# Copyright (C) 2015 Swift Navigation Inc.
+# Contact: Mark Fine <mark@swiftnav.com>
+#
+# This source is subject to the license found in the file 'LICENSE' which must
+# be be distributed together with this source. All other rights reserved.
+#
+# THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
+# EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
+
+import time
+
+from sbp.client.drivers.pyserial_driver import PySerialDriver
+from sbp.client.loggers.byte_logger     import ByteLogger
+from sbp.client.handler                 import Handler
+
+DEFAULT_SERIAL_PORT  = "/dev/ttyUSB0"
+DEFAULT_SERIAL_BAUD  = 1000000
+DEFAULT_LOG_FILENAME = time.strftime("sbp-%Y%m%d-%H%M%S.log")
+
+def get_args():
+  """
+  Get and parse arguments.
+  """
+  import argparse
+  parser = argparse.ArgumentParser(description="Swift Navigation SBP Bytes Example.")
+  parser.add_argument("-s", "--serial-port",
+                      default=[DEFAULT_SERIAL_PORT], nargs=1,
+                      help="specify the serial port to use.")
+  parser.add_argument("-b", "--baud",
+                      default=[DEFAULT_SERIAL_BAUD], nargs=1,
+                      help="specify the baud rate to use.")
+  parser.add_argument("-f", "--filename",
+                      default=[DEFAULT_LOG_FILENAME], nargs=1,
+                      help="specify the filename to write to.")
+  return parser.parse_args()
+
+def main():
+  args = get_args()
+
+  with PySerialDriver(args.serial_port[0], args.baud[0]) as driver:
+    with Handler(driver.read, driver.write) as link:
+      with ByteLogger(args.filename[0]) as logger:
+        link.add_callback(logger)
+        link.start
+
+        try:
+          while True:
+            time.sleep(0.1)
+        except KeyboardInterrupt:
+          pass
+
+if __name__ == "__main__":
+  main()