simpletimer: Fix buzz regression from 0.06

apps.json

@@ -1736,7 +1736,7 @@
     "id": "simpletimer",
     "name": "Timer",
     "icon": "app.png",
-    "version": "0.06",
+    "version": "0.07",
     "description": "Simple timer, useful when playing board games or cooking",
     "tags": "timer",
     "readme": "README.md",

apps/simpletimer/ChangeLog

@@ -4,3 +4,4 @@
 0.04: Remember last set time
 0.05: Fix buzz that doesn't stop (fix #521)
 0.06: Fix buzz error, remove '+' when timer running and add 'back' text (fix #577)
+0.07: Fix buzz regression from 0.06

apps/simpletimer/app.js

@@ -1,15 +1,19 @@
 let counter = 0;
 let setValue = 0;
-let counterInterval, alarmInterval;
+let counterInterval, alarmInterval, buzzInterval;
 let state;
 let saved = require("Storage").readJSON("simpletimer.json",true) || {};
 
 const DEBOUNCE = 50;
 
 function buzzAndBeep() {
+  buzzInterval = -1;
   return Bangle.buzz(1000, 1)
     .then(() => Bangle.beep(200, 3000))
-    .then(() => setTimeout(buzzAndBeep, 5000));
+    .then(() => {
+      if (buzzInterval==-1)
+        buzzInterval = setTimeout(buzzAndBeep, 5000);
+    });
 }
 
 function outOfTime() {
@@ -58,8 +62,10 @@ function countDown() {
 function clearIntervals() {
   if (alarmInterval) clearInterval(alarmInterval);
   if (counterInterval) clearInterval(counterInterval);
+  if (buzzInterval>0) clearTimeout(buzzInterval);
   alarmInterval = undefined;
   counterInterval = undefined;
+  buzzInterval = undefined;
 }
 
 function set(delta) {