Improve re-call cycle and log output

apps/coin_info/app.js

@@ -77,10 +77,8 @@ layout.update();
 var updateTimeout;
 function getChart(period) {
     //
-    logFile.write("Called:" + Date.toString());
-
-    // Clear any existing timeout
-    if (updateTimeout) clearTimeout(updateTimeout);
+    const date = new Date();
+    logFile.write("Called:" + date.toString());
     //
     timePeriod = period;
     currLoadMsg = `Load... ${period}`;
@@ -107,11 +105,13 @@ function getChart(period) {
         .catch(err => {
             // logFile.write("API Error: " + JSON.stringify(err));
             tknChrtData = [1,2,3,4,5,6,7,8,9,8,7,6,5,4,];
-        })
-        .finally(() => {
-            // Schedule next update regardless of success or failure
-            updateTimeout = setTimeout(getChart, 30000, period); // 5 minutes
         });
+
+    if (updateTimeout) clearTimeout(updateTimeout);
+    updateTimeout = setTimeout(function() {
+        updateTimeout = undefined;
+        getChart(period);
+    }, 30000 - (Date.now() % 30000));
 }
 
 //

apps/coin_info/metadata.json

@@ -1,7 +1,7 @@
 { "id": "coin_info",
   "name": "Crypto-Coins Info",
   "shortName":"Coins Info",
-  "version": "0.06.51",
+  "version": "0.06.52",
   "description": "Crypto-Coins Infos with the help of the Binance API",
   "icon": "app.png",
   "tags": "clkinfo",