Tools: added boot_now.py script

Tools/boot_now.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+############################################################################
+#
+#   Copyright (C) 2012-2015 PX4 Development Team. 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.
+# 3. Neither the name PX4 nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# 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.
+#
+############################################################################
+
+# send BOOT command to a device
+
+import argparse
+import serial, sys
+
+from sys import platform as _platform
+
+# Parse commandline arguments
+parser = argparse.ArgumentParser(description="Send boot command to a device")
+parser.add_argument('--baud', action="store", type=int, default=115200, help="Baud rate of the serial port")
+parser.add_argument('port', action="store", help="Serial port(s) to which the FMU may be attached")
+args = parser.parse_args()
+
+REBOOT          = b'\x30'
+EOC             = b'\x20'
+
+print("Sending reboot to %s" % args.port)
+try:
+        port = serial.Serial(args.port, args.baud, timeout=0.5)
+except Exception:
+        print("Unable to open %s" % args.port)
+        sys.exit(1)
+port.write(REBOOT + EOC)
+port.close()
+sys.exit(0)