diff --git a/nodered/README.md b/nodered/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/nodered/decode_locapack_header/decode_locapack_header.html b/nodered/decode_locapack_header/decode_locapack_header.html
new file mode 100644
index 0000000000000000000000000000000000000000..d6c720c6e1e91319bbb59a00d30f6f552266dafc
--- /dev/null
+++ b/nodered/decode_locapack_header/decode_locapack_header.html
@@ -0,0 +1,27 @@
+<script type="text/javascript">
+ RED.nodes.registerType('Decode Header',{
+ category: 'locapack',
+ color: '#a6bbcf',
+ defaults: {
+ name: {value:""}
+ },
+ inputs:1,
+ outputs:1,
+ icon: "file.png",
+ label: function() {
+ return this.name||"Decode Header";
+ }
+ });
+</script>
+
+<script type="text/html" data-template-name="Decode Header">
+ <div class="form-row">
+ <label for="node-input-name"><i class="icon-tag"></i> Name</label>
+ <input type="text" id="node-input-name" placeholder="Name">
+ </div>
+</script>
+
+<script type="text/html" data-help-name="Decode Header">
+ <p>A simple node that converts the message payloads...</p>
+</script>
+
diff --git a/nodered/decode_locapack_header/decode_locapack_header.js b/nodered/decode_locapack_header/decode_locapack_header.js
new file mode 100644
index 0000000000000000000000000000000000000000..9e404a4ef3894250d34439bbc08fd077351c2bf0
--- /dev/null
+++ b/nodered/decode_locapack_header/decode_locapack_header.js
@@ -0,0 +1,58 @@
+module.exports = function(RED) {
+ function DecodeLocaPackHeaderNode(config) {
+ RED.nodes.createNode(this,config);
+ var node = this;
+ node.on('input', function(msg) {
+
+ var p = {};
+ var buff = msg.payload.LocaPack.inputBuffer;
+ var len = 0;
+
+ // Get Header Field (hdr)
+ var hdr = {};
+ var hdr_raw = buff.readUInt16LE(len);
+ hdr.protocol_version = (hdr_raw & 0xF000) >> 12 ;
+ hdr.device_id_size = (hdr_raw & 0x0F00) >> 8;
+ hdr.packet_type = (hdr_raw & 0x00F0) >> 4;
+ hdr.movement_id_presence_flag = (hdr_raw & 0x0008) ? true : false;
+ hdr.timestamp_presence_flag = (hdr_raw & 0x0004) ? true : false;
+ p.header = hdr;
+ len += 2;
+
+ // Sequence number
+ p.sequence_number = buff.readUInt16LE(len);
+ len += 2;
+
+ // If the message contains the timestamp field (40 bits)
+ if (p.header.timestamp_presence_flag ) {
+ p.timestamp = buff.readUIntLE(len, 5);
+ len += 5;
+ }
+
+ // If the message contains the movement_id field (8 bits)
+ if (p.header.movement_id_presence_flag ) {
+ p.movement_id = parseInt(buff[len]);
+ len += 1;
+ }
+
+ // If the message contains the device_id field (n bytes)
+ if (p.header.device_id_size > 0 ) {
+ var n = p.header.device_id_size;
+ p.device_id = buff.readUIntLE(len, n);
+ len += n;
+ }
+
+ // Payload_len field (8 bits)
+ var payload_len = parseInt(buff[len]);
+ len += 1;
+
+ // payload
+ p.payload = buff.subarray(len, len+payload_len)
+
+ msg.payload["LocaPack"] = p;
+
+ node.send(msg);
+ });
+ }
+ RED.nodes.registerType("Decode Header",DecodeLocaPackHeaderNode);
+}
diff --git a/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.html b/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.html
new file mode 100644
index 0000000000000000000000000000000000000000..482b2c5bfd1c0dc3202477be4d3dadf6d6f13164
--- /dev/null
+++ b/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.html
@@ -0,0 +1,26 @@
+<script type="text/javascript">
+ RED.nodes.registerType('Decode GNSS',{
+ category: 'locapack',
+ color: '#a6bbcf',
+ defaults: {
+ name: {value:""}
+ },
+ inputs:1,
+ outputs:1,
+ icon: "file.png",
+ label: function() {
+ return this.name||"Decode GNSS";
+ }
+ });
+</script>
+
+<script type="text/html" data-template-name="Decode GNSS">
+ <div class="form-row">
+ <label for="node-input-name"><i class="icon-tag"></i> Name</label>
+ <input type="text" id="node-input-name" placeholder="Name">
+ </div>
+</script>
+
+<script type="text/html" data-help-name="Decode GNSS">
+ <p>A simple node that converts the message payloads decode_universal_gnss_packet</p>
+</script>
diff --git a/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.js b/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.js
new file mode 100644
index 0000000000000000000000000000000000000000..b6ef6cca2c3b32f8f7e649086aa6c617ec0449d5
--- /dev/null
+++ b/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.js
@@ -0,0 +1,45 @@
+module.exports = function(RED) {
+ function DecodeUniversalGnssPacketNode(config) {
+ RED.nodes.createNode(this,config);
+ var node = this;
+ node.on('input', function(msg) {
+
+ var p = {};
+ var buff = msg.payload.LocaPack.payload;
+ var len = 0;
+
+ // Get Header Field (hdr)
+ var hdr = {};
+ var hdr_raw = parseInt(buff[len]);
+ hdr.altitude_presence_flag = (hdr_raw & 0x80) ? true : false;
+ hdr.dop_presence_flag = (hdr_raw & 0x40) ? true : false;
+ p.header = hdr;
+ len += 1;
+
+ // Latitude
+ p.latitude = buff.readFloatLE(len);
+ len += 4;
+
+ // Longitude
+ p.longitude = buff.readFloatLE(len);
+ len += 4;
+
+ // If the message contains the altitude field
+ if (p.header.altitude_presence_flag ) {
+ p.altitude = buff.readFloatLE(len);
+ len += 4;
+ }
+
+ // If the message contains the dop field
+ if (p.header.dop_presence_flag ) {
+ p.dop = buff.readFloatLE(len);
+ len += 4;
+ }
+
+ msg.payload.LocaPack["universalGnssPacket"] = p;
+
+ node.send(msg);
+ });
+ }
+ RED.nodes.registerType("Decode GNSS",DecodeUniversalGnssPacketNode);
+}
diff --git a/nodered/package.json b/nodered/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..cbc995546ac51be37d3b14d62920281eced9e3ff
--- /dev/null
+++ b/nodered/package.json
@@ -0,0 +1,17 @@
+{
+ "name": "red-contrib-locapack",
+ "version": "0.0.1",
+ "description": "A node to interact with LocaPack devices using the LocaPack protocol",
+ "main": "index.js",
+ "scripts": {
+ "test": "echo \"Error: no test specified\" && exit 1"
+ },
+ "author": "Adrien van den Bossche <vandenbo@univ-tlse2.fr>",
+ "license": "ISC",
+ "node-red" : {
+ "nodes": {
+ "DecodeLocapackHeader": "decode_locapack_header/decode_locapack_header.js",
+ "DecodeUniversalGnssPacket": "decode_universal_gnss_packet/decode_universal_gnss_packet.js"
+ }
+ }
+}