first commit

Software/NodeJS/libs/sensors/helpers.js

@@ -0,0 +1,16 @@
+function round(number, precision) {
+    if (isNaN(number)) return NOT_AVAILABLE
+    if (precision == undefined || isNaN(precision))
+        precision = 2
+    var factor = Math.pow(10, precision)
+    var tempNumber = number * factor
+    var roundedTempNumber = Math.round(tempNumber)
+    return roundedTempNumber / factor
+}
+
+const NOT_AVAILABLE = 'N/A'
+
+module.exports = {
+    round,
+    NOT_AVAILABLE
+}