subscribe and interval nodes added

nodes/xilica-interval.html

@@ -0,0 +1,40 @@
+<script type="text/javascript">
+RED.nodes.registerType('xilica-interval', {
+  category: 'Xilica',
+  color: '#D8E7FF',
+  defaults: {
+    name: { value: "" },
+    interval: { value: 100 }
+  },
+  inputs: 1,
+  outputs: 1,
+  icon: "font-awesome/fa-plug",
+  label: function () {
+    if (this.name) {
+      return this.name;
+    }
+    if (this.interval) {
+      return "xilica interval " + this.interval + "ms";
+    }
+    return "xilica interval";
+  }
+});
+</script>
+
+<script type="text/x-red" data-template-name="xilica-interval">
+  <div class="form-row">
+    <label for="node-input-name">Name</label>
+    <input type="text" id="node-input-name">
+  </div>
+  <div class="form-row">
+    <label for="node-input-interval">Interval (ms)</label>
+    <input type="number" id="node-input-interval" min="10" max="60000">
+  </div>
+</script>
+
+<script type="text/x-red" data-help-name="xilica-interval">
+  <p>Builds an <code>INTERVAL</code> command for a Xilica Solaro processor.</p>
+  <p>On each input message, the node sets <code>msg.payload</code> to <code>INTERVAL &lt;value&gt;</code>. Wire the output into a <code>xilica-command</code> node to send it over TCP.</p>
+  <p>You can override the configured interval by setting <code>msg.interval</code> on the incoming message.</p>
+</script>
+