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+/*jslint node:true, vars:true, bitwise:true, unparam:true */
+/*jshint unused:true */
+
+/*
+ * 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.
+ */
+
+
+var sensorObj = require('jsupm_sx1276');
+
+var count = 0;
+var interval;
+
+/************** Functions **************/
+function transmit(sensor)
+{
+ var buffer = "Ping " + count;
+ count++;
+ console.log("Sending... " + buffer);
+
+ sensor.sendStr(buffer, 3000);
+ sensor.setSleep();
+}
+
+function receive(sensor)
+{
+ console.log("Attempting to receive... ");
+ var rv = 0;
+ rv = sensor.setRx(3000);
+
+ if (rv)
+ {
+ console.log("setRx returned " + rv);
+ }
+ else
+ {
+ console.log("Received Buffer: " + sensor.getRxBufferStr());
+ }
+
+ sensor.setSleep();
+}
+
+/************** Main code **************/
+// Instantiate an SX1276 using default parameters
+
+var sensor = new sensorObj.SX1276();
+
+console.log("Specify an argument to go into receive mode. Default is transmit");
+
+// 915Mhz
+sensor.setChannel(915000000)
+
+// FSK configuration (rx and tx must be configured the same):
+// Tx output power = 14 dBm
+// FSK freq deviation = 25000 Hz
+// FSK bandwidth = 50000 bps
+// FSK AFC bandwidth = 83333 Hz
+// FSK datarate = 50000 bps
+// FSK preamble len = 5
+// FSK fixed length payload = false
+// FSK CRC check = true
+// FSK (rx) continuous Rx mode = False
+
+sensor.setTxConfig(sensorObj.SX1276.MODEM_FSK, 14, 25000, 0,
+ 50000, 0, 5, false, true, false, 0, false);
+
+sensor.setRxConfig(sensorObj.SX1276.MODEM_FSK, 50000, 50000,
+ 0, 83333, 5, 0, false, 0, true,
+ false, 0, false, true);
+
+
+if (process.argv.length > 2)
+{
+ // receive mode
+ interval = setInterval(function() { receive(sensor); }, 250);
+}
+else
+{
+ // transmit mode
+ interval = setInterval(function() { transmit(sensor); }, 1000);
+}
+
+
+/************** Exit code **************/
+process.on('SIGINT', function()
+{
+ sensor = null;
+ sensorObj.cleanUp();
+ sensorObj = null;
+ console.log("Exiting...");
+ process.exit(0);
+});