From 723f33289c54011776b107fc0fa177e390db0f99 Mon Sep 17 00:00:00 2001
From: Adrien van den Bossche <vandenbo@univ-tlse2.fr>
Date: Tue, 23 Jun 2020 22:33:46 +0200
Subject: [PATCH] Add type 2 (ocally_referenced) decoder
---
.../decode_locally_referenced_packet.html | 26 ++++++++++
.../decode_locally_referenced_packet.js | 52 +++++++++++++++++++
.../decode_universal_gnss_packet.html | 2 +-
nodered/package.json | 3 +-
4 files changed, 81 insertions(+), 2 deletions(-)
create mode 100644 nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.html
create mode 100644 nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.js
diff --git a/nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.html b/nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.html
new file mode 100644
index 0000000..313c074
--- /dev/null
+++ b/nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.html
@@ -0,0 +1,26 @@
+<script type="text/javascript">
+ RED.nodes.registerType('Decode LocRef',{
+ category: 'locapack',
+ color: '#d06b5f',
+ defaults: {
+ name: {value:""}
+ },
+ inputs:1,
+ outputs:1,
+ icon: "file.png",
+ label: function() {
+ return this.name||"Decode LocRef";
+ }
+ });
+</script>
+
+<script type="text/html" data-template-name="Decode LocRef">
+ <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 LocRef">
+ <p>A node that decodes Locapack type 2 payloads (Locally Referenced)</p>
+</script>
diff --git a/nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.js b/nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.js
new file mode 100644
index 0000000..15807e6
--- /dev/null
+++ b/nodered/decode_locally_referenced_packet/decode_locally_referenced_packet.js
@@ -0,0 +1,52 @@
+module.exports = function(RED) {
+ function DecodeLocallyReferencedPacketNode(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.z_presence_flag = (hdr_raw & 0x80) ? true : false;
+ hdr.dop_presence_flag = (hdr_raw & 0x40) ? true : false;
+ hdr.frameofref_id_presence_flag = (hdr_raw & 0x20) ? true : false;
+ p.header = hdr;
+ len += 1;
+
+ // Latitude
+ p.x = buff.readFloatLE(len);
+ len += 4;
+
+ // Longitude
+ p.y = buff.readFloatLE(len);
+ len += 4;
+
+ // If the message contains the z field
+ if (p.header.z_presence_flag ) {
+ p.z = 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;
+ }
+
+ // If the message contains the frameofref_id field
+ if (p.header.frameofref_id_presence_flag ) {
+ p.frameofref_id = 0; //buff.readBigInt64LE(len);
+ len += 8;
+ }
+
+ msg.payload.LocaPack["locallyReferencedPacket"] = p;
+
+ node.send(msg);
+ });
+ }
+ RED.nodes.registerType("Decode LocRef",DecodeLocallyReferencedPacketNode);
+}
diff --git a/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.html b/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.html
index 7a89676..df3912c 100644
--- a/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.html
+++ b/nodered/decode_universal_gnss_packet/decode_universal_gnss_packet.html
@@ -22,5 +22,5 @@
</script>
<script type="text/html" data-help-name="Decode GNSS">
- <p>A simple node that converts the message payloads decode_universal_gnss_packet</p>
+ <p>A node that decodes Locapack type 1 payloads (Universal GNSS)</p>
</script>
diff --git a/nodered/package.json b/nodered/package.json
index cbc9955..f9551b2 100644
--- a/nodered/package.json
+++ b/nodered/package.json
@@ -11,7 +11,8 @@
"node-red" : {
"nodes": {
"DecodeLocapackHeader": "decode_locapack_header/decode_locapack_header.js",
- "DecodeUniversalGnssPacket": "decode_universal_gnss_packet/decode_universal_gnss_packet.js"
+ "DecodeUniversalGnssPacket": "decode_universal_gnss_packet/decode_universal_gnss_packet.js",
+ "DecodeLocallyReferencedPacket": "decode_locally_referenced_packet/decode_locally_referenced_packet.js"
}
}
}
--
GitLab