Get the node executing defined strings

.gitignore

@@ -3,4 +3,5 @@ node_modules/*
 *.pyc
 *.pycache
 notes.md
-.vscode
+.vscode
+*.cache

execute.py

@@ -1,7 +1,11 @@
-import sys
-# import microbit
+import sys, os
+os.chdir(sys.argv[1])
 
-FUNCTION = sys.argv[1]
-VALUE = sys.argv[2]
+import microbit
 
-print(FUNCTION, VALUE)
+FUNCTION = sys.argv[2]
+VALUE = sys.argv[3]
+
+print(FUNCTION, VALUE)
+
+microbit.display.scroll(VALUE)

index.html

@@ -0,0 +1,32 @@
+<script type="text/javascript">
+    RED.nodes.registerType('bitio-wrapper',{
+        category: 'function',
+        color: '#34b6ff',
+        defaults: {
+            name: {value:""}
+        },
+        inputs:1,
+        outputs:0,
+        icon: "icon.png",
+        label: function() {
+            return this.name||"bitio-wrapper";
+        }
+    });
+</script>
+
+<script type="text/x-red" data-template-name="bitio-wrapper">
+    <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>
+
+    <div class="form-row">
+        <label for="node-input-serialport"><i class="icon-tag"></i>Microbit Serial Port</label>
+        <input type="text" id="node-input-serialport" placeholder="/dev/tty.usbmodemXXXX">
+    </div>
+
+</script>
+
+<script type="text/x-red" data-help-name="bitio-wrapper">
+    <p>A wrapper for the <a href="https://github.com/whaleygeek/bitio/">Bitio Python library</a> written by <a href="https://twitter.com/whaleygeek">David Whale</a>.</p>
+</script>

index.js

@@ -1,16 +1,19 @@
-const debug = require('debug');
+const debug = require('debug')('node-red-contrib-bitio-wrapper');
 const { spawn } = require('child_process');
 
-function executeMicrobitCommand(command, options){
+function executeMicrobitCommand(wordsToSay){
 
 	return new Promise( (resolve, reject) => {
 
 		const arguments = [
-			'execute.py',
+			`${__dirname}/execute.py`,
+			__dirname,
 			`scrolling-text`,
-			"Hello!"
+			wordsToSay
 		];
 
+		console.log(arguments);
+
 		const microbitProcess = spawn('python', arguments);
 
 		microbitProcess.stdout.on('data', (data) => {
@@ -43,16 +46,22 @@ module.exports = function(RED) {
 		RED.nodes.createNode(this, config);
 
 		var node = this;
-		
+
 		node.on('input', function(msg) {
-			/*msg.payload = msg.payload.toLowerCase();
-			node.send(msg);*/
+
+			console.log('INPUT:', msg);
+			executeMicrobitCommand(msg.payload.toString())
+				.then(d => {
+					console.log(d);
+					node.send(msg);
+				})
+				.catch(e => console.log('err:', e))
+			;
+
 		});
 
 	}
 
-	RED.nodes.registerType("bitio", bitio);
-
-}
+	RED.nodes.registerType("bitio-wrapper", bitio);
 
-executeMicrobitCommand();
+}

package.json

@@ -27,7 +27,6 @@
     }
   },
   "dependencies": {
-    "debug": "^3.1.0",
-    "escape-string-regexp": "^1.0.5"
+    "debug": "^3.1.0"
   }
 }