Allow configuration of drop and raise alarm independently

apps/widbaroalarm/README.md

@@ -11,7 +11,9 @@ Get a notification when the pressure reaches defined thresholds.
   * Low threshold: Warn when pressure drops below this value
 * High alarm: Toggle high alarm
   * High threshold: Warn when pressure exceeds above this value
-* Change alarm: Warn when pressure changes more than this value in the recent 3 hours (having at least 30 min of data)
+* Drop alarm: Warn when pressure drops more than this value in the recent 3 hours (having at least 30 min of data)
+    0 to disable this alarm.
+* Raise alarm: Warn when pressure raises more than this value in the recent 3 hours (having at least 30 min of data)
     0 to disable this alarm.
 * Show widget: Enable/disable widget visibility
 * Buzz on alarm: Enable/disable buzzer on alarm

apps/widbaroalarm/default.json

@@ -4,7 +4,8 @@
   "min": 950,
   "highalarm": false,
   "max": 1030,
-  "changeIn3h": 2,
+  "drop3halarm": 2,
+  "raise3halarm": 0,
   "show": true,
   "interval": 15
 }

apps/widbaroalarm/settings.js

@@ -53,15 +53,25 @@
         step: 10,
         onchange: x => save("max", x),
       },
-      "Change alarm": {
+      "Drop alarm": {
-        value: settings.changeIn3h,
+        value: settings.drop3halarm,
         min: 0,
         max: 10,
         step: 1,
         format: x => {
           return x != 0 ? x + ' hPa/3h' : 'off';
         },
-        onchange: x => save("changeIn3h", x)
+        onchange: x => save("drop3halarm", x)
+      },
+      "Raise alarm": {
+        value: settings.raise3halarm,
+        min: 0,
+        max: 10,
+        step: 1,
+        format: x => {
+          return x != 0 ? x + ' hPa/3h' : 'off';
+        },
+        onchange: x => save("raise3halarm", x)
       },
       "Show widget": {
         value: settings.show,

apps/widbaroalarm/widget.js

@@ -80,8 +80,9 @@
 
         if (!alreadyWarned) {
           // 3h change detection
-          const threeHourChange = setting("changeIn3h");
+          const drop3halarm = setting("drop3halarm");
-          if (threeHourChange > 0) {
+          const raise3halarm = setting("raise3halarm");
+          if (drop3halarm > 0 || raise3halarm > 0) {
             // we need at least 30min of data for reliable detection
             if (history3[0]["ts"] > ts - (30 * 60)) {
               return;
@@ -91,10 +92,23 @@
             const oldestAvgPressure = (history3[0]["p"] + history3[1]["p"] + history3[2]["p"]) / 3;
             if (oldestAvgPressure != undefined && oldestAvgPressure > 0) {
               const diff = oldestAvgPressure - avrPressure;
-              if (Math.abs(diff) > threeHourChange) {
+
+              // drop alarm
+              if (drop3halarm > 0 && oldestAvgPressure > avrPressure) {
+                if (Math.abs(diff) > drop3halarm) {
                   showAlarm((Math.round(Math.abs(diff) * 10) / 10) + " hPa/3h from " +
                     Math.round(oldestAvgPressure) + " to " + Math.round(avrPressure) + " hPa",
-                  "Pressure " + (diff > 0 ? "drop" : "raise"));
+                    "Pressure drop"));
+                }
+              }
+
+              // raise alarm
+              if (raise3halarm > 0 && oldestAvgPressure < avrPressure) {
+                if (Math.abs(diff) > raise3halarm) {
+                  showAlarm((Math.round(Math.abs(diff) * 10) / 10) + " hPa/3h from " +
+                    Math.round(oldestAvgPressure) + " to " + Math.round(avrPressure) + " hPa",
+                    "Pressure raise"));
+                }
               }
             }
           }