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+#!/usr/bin/python
+# Author: Jon Trulson <jtrulson@ics.com>
+# Copyright (c) 2015 Intel Corporation.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import time, sys, signal, atexit
+import pyupm_sx1276 as sensorObj
+
+# Instantiate an SX1276 using default parameters
+sensor = sensorObj.SX1276()
+
+## Exit handlers ##
+# This stops python from printing a stacktrace when you hit control-C
+def SIGINTHandler(signum, frame):
+ raise SystemExit
+
+# This function lets you run code on exit
+def exitHandler():
+ print "Exiting"
+ sys.exit(0)
+
+# Register exit handlers
+atexit.register(exitHandler)
+signal.signal(signal.SIGINT, SIGINTHandler)
+
+print "Specify an argument to go into receive mode. Default is transmit"
+
+# 915Mhz
+sensor.setChannel(915000000)
+
+# LORA configuration (rx and tx must be configured the same):
+# Tx output power = 14 dBm
+# LORA bandwidth = 125000 (can also be 250K and 500K)
+# LORA spreading factor = 7
+# LORA coding rate = 1 (4/5)
+# LORA preamble len = 8
+# LORA symbol timeout = 5
+# LORA fixed payload = false
+# LORA IQ inversion = false
+# LORA (rx) continuous Rx mode = true
+
+sensor.setTxConfig(sensor.MODEM_LORA, 14, 0, 125000,
+ 7, 1, 8, False, True, False, 0, False)
+
+sensor.setRxConfig(sensor.MODEM_LORA, 125000, 7,
+ 1, 0, 8, 5, False, 0, True, False, 0, False, True)
+
+count = 0
+
+while True:
+ if (len(sys.argv) > 1):
+ # receive mode
+ print "Attempting to receive..."
+ rv = sensor.setRx(3000)
+ if (rv):
+ print "setRx returned ", rv
+ else:
+ print "Received Buffer: ", sensor.getRxBufferStr();
+ # go back to sleep when done
+
+ sensor.setSleep()
+ time.sleep(.25)
+ else:
+ # transmit mode
+ buffer = "Ping " + str(count)
+ count += 1
+ print "Sending..." + buffer
+ sensor.sendStr(buffer, 3000)
+ sensor.setSleep();
+ time.sleep(1);