Checks firmware; E.setDST(...) moved to boot.js

apps/widdst/ChangeLog

@@ -1 +1,2 @@
 0.01: Initial version
+0.02: Checks for correct firmware; E.setDST(...) moved to boot.js

apps/widdst/boot.js

@@ -0,0 +1,15 @@
+(() => {
+
+  if (E.setDST) {
+    var dstSettings = require('Storage').readJSON('widdst.json',1)||{};
+    if (dstSettings.has_dst) {
+      E.setDST(60*dstSettings.dst_size, 60*dstSettings.tz, dstSettings.dst_start.dow_number, dstSettings.dst_start.dow,
+        dstSettings.dst_start.month, dstSettings.dst_start.day_offset, 60*dstSettings.dst_start.at,
+        dstSettings.dst_end.dow_number, dstSettings.dst_end.dow, dstSettings.dst_end.month, dstSettings.dst_end.day_offset,
+        60*dstSettings.dst_end.at);
+    } else {
+      E.setDST(0,0,0,0,0,0,0,0,0,0,0,0);
+    }
+  }
+
+})()

apps/widdst/metadata.json

@@ -1,6 +1,6 @@
 { "id": "widdst",
   "name": "Daylight Saving",
-  "version":"0.01",
+  "version":"0.02",
   "description": "Widget to set daylight saving rules. Requires Espruino 2v14.49 or later - see the instructions below for more information.",
   "icon": "icon.png",
   "type": "widget",
@@ -9,6 +9,7 @@
   "readme": "README.md",
   "storage": [
     {"name":"widdst.wid.js","url":"widget.js"},
+    {"name":"widdst.boot.js","url":"boot.js"},
     {"name":"widdst.settings.js","url":"settings.js"}
   ],
   "data": [{"name":"widdst.json"}]

apps/widdst/widget.js

@@ -41,25 +41,15 @@
     }
   }
 
-  function setDst() {
-    var dstSettings = require('Storage').readJSON('widdst.json',1)||{};
-    if (dstSettings.has_dst) {
-      E.setDST(60*dstSettings.dst_size, 60*dstSettings.tz, dstSettings.dst_start.dow_number, dstSettings.dst_start.dow,
-        dstSettings.dst_start.month, dstSettings.dst_start.day_offset, 60*dstSettings.dst_start.at,
-        dstSettings.dst_end.dow_number, dstSettings.dst_end.dow, dstSettings.dst_end.month, dstSettings.dst_end.day_offset,
-        60*dstSettings.dst_end.at);
-    } else {
-      E.setDST(0,0,0,0,0,0,0,0,0,0,0,0);
-    }
+  // Register ourselves
+  if (E.setDST) {
+    WIDGETS["widdst"] = {
+      area: "tl",
+      width: 0,
+      draw: draw
+    };
+  } else {
+    E.showAlert("Firmware update needed to support Daylight Saving Time");
   }
 
-  setDst();
-  
-  // Register ourselves
-  WIDGETS["widdst"] = {
-    area: "tl",
-    width: 0,
-    draw: draw
-  };
-
 })()