Detect out of memory errors and draw them onto the bottom of the screen in red

apps.json

@@ -2,7 +2,7 @@
   { "id": "boot",
     "name": "Bootloader",
     "icon": "bootloader.png",
-    "version":"0.15",
+    "version":"0.16",
     "description": "This is needed by Bangle.js to automatically load the clock, menu, widgets and settings",
     "tags": "tool,system",
     "type":"bootloader",

apps/boot/ChangeLog

@@ -14,3 +14,4 @@
       Move alarm code into alarm.boot.js
 0.14: Move welcome loaders to *.boot.js
 0.15: Added BLE HID option for Joystick and bare Keyboard
+0.16: Detect out of memory errors and draw them onto the bottom of the screen in red

apps/boot/boot0.js

@@ -39,6 +39,11 @@ Bangle.setLCDTimeout(s.timeout);
 if (!s.timeout) Bangle.setLCDPower(1);
 E.setTimeZone(s.timezone);
 delete s;
+// Draw out of memory errors onto the screen
+E.on('errorFlag', function(errorFlags) {  g.reset(1).setColor("#ff0000").setFont("6x8").setFontAlign(0,1).drawString(errorFlags,g.getWidth()/2,g.getHeight()-1).flip();
+  print("Interpreter error:",errorFlags);
+  E.getErrorFlags(); // clear flags so we get called next time
+});
 // stop users doing bad things!
 global.save = function() { throw new Error("You can't use save() on Bangle.js without overwriting the bootloader!"); }
 // Load *.boot.js files