rn2903: Initial implementation; C; C++ wraps C; examples

This requires a new MRAA with UART sendbreak support. Signed-off-by: Jon Trulson <jtrulson@ics.com>
2025-07-02 01:41:12 +03:00 · 2017-04-28 18:33:34 -06:00
parent c78da687d4
commit 21a1860ec2
26 changed files with 4918 additions and 0 deletions
--- a/examples/javascript/rn2903.js
+++ b/examples/javascript/rn2903.js
@ -0,0 +1,131 @@
+/*
+ * Author: Jon Trulson <jtrulson@ics.com>
+ * Copyright (c) 2017 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_rn2903');
+
+var defaultDev = "/dev/ttyUSB0";
+
+// if an argument was specified, use it as the device instead
+if (process.argv.length > 2)
+{
+    defaultDev = process.argv[2];
+}
+
+console.log("Using device:", defaultDev);
+
+// Instantiate a RN2903 sensor on defaultDev at 57600 baud.
+var sensor = new sensorObj.RN2903(defaultDev,
+                                  sensorObj.RN2903_DEFAULT_BAUDRATE);
+
+// To use an internal UART understood by MRAA, use the following
+// to inititialize rather than the above, which by default uses a
+// tty path.
+//
+// var sensor = new sensorObj.RN2903(0,
+//                                   sensorObj.RN2903_DEFAULT_BAUDRATE);
+
+// enable debugging
+// sensor.setDebug(true);
+
+// get version
+if (sensor.command("sys get ver"))
+{
+    console.log("Failed to retrieve device version string");
+    process.exit(1);
+}
+console.log("Firmware version: " + sensor.getResponse());
+
+console.log("Hardware EUI: " + sensor.getHardwareEUI());
+
+// we can support two types of join, OTAA and ABP. Each requires
+// that certain parameters be set first.  We will only attempt ABP
+// joining with this example since it's the only one that can
+// succeed without actual configuration.  In both cases, if you
+// are actually attempting to join a real LoRaWAN network, you
+// must change the parameters below to match the network you are
+// attempting to join.
+
+// For OTAA, you need to supply valid Device EUI, Application EUI,
+// and Application key:
+//
+// sensor.setDeviceEUI("0011223344556677");
+// sensor.setApplicationEUI("0011223344556677");
+// sensor.setApplicationKey("01234567012345670123456701234567");
+//
+// RN2903_JOIN_STATUS_T rv = sensor.join(RN2903_JOIN_TYPE_OTAA);
+// A successful join will return RN2903_JOIN_STATUS_ACCEPTED (0).
+// cout << "JOIN: got rv " << int(rv) << endl;
+
+// Try an ABP join.  Note, these parameters are made up.  For a
+// real network, you will want to use the correct values
+// obviously.  For an ABP join, you need to supply the Device
+// Address, Network Session Key, and the Application Session Key.
+
+sensor.setDeviceAddr("00112233");
+sensor.setNetworkSessionKey("00112233001122330011223300112233");
+sensor.setApplicationSessionKey("00112233001122330011223300112233");
+
+var rv = sensor.join(sensorObj.RN2903_JOIN_TYPE_ABP);
+if (rv == sensorObj.RN2903_JOIN_STATUS_ACCEPTED)
+{
+    console.log("Join successful.");
+
+    // All transmit payloads must be hex encoded strings, so
+    // pretend we have a temperature sensor that gave us a value
+    // of 25.6 C, and we want to transmit it.
+    var faketemp = "25.6";
+    console.log("Transmitting a packet...");
+
+    var trv = sensor.macTx(sensorObj.RN2903_MAC_MSG_TYPE_UNCONFIRMED,
+                           1, // port number
+                           sensor.toHex(faketemp));
+
+    if (trv == sensorObj.RN2903_MAC_TX_STATUS_TX_OK)
+        console.log("Transmit successful.");
+    else
+    {
+        // check to see if we got a downlink packet
+        if (trv == sensorObj.RN2903_MAC_TX_STATUS_RX_RECEIVED)
+        {
+            console.log("Transmit successful, downlink packet received: "
+                         + sensor.getResponse());
+        }
+        else
+        {
+            console.log("Transmit failed with code " + trv);
+        }
+    }
+}
+else
+{
+    console.log("Join failed with code " + rv);
+}
+
+
+console.log("Exiting");
+
+sensor = null;
+sensorObj.cleanUp();
+sensorObj = null;
+process.exit(0);