Update boot to use its own block

apps/backlite/boot.js

@@ -1,4 +1,4 @@
-
+{
   //Set LCD to zero every reboot
   let s = require("Storage").readJSON("setting.json", 1) || {};
   s.brightness = 0;
@@ -8,6 +8,7 @@ require("Storage").writeJSON("setting.json", s);
 
 
 
+  let unlockedWithLongPress = false;
   const longPressTime=400; //(ms)
 
   Bangle.on('lock', function(isLocked) {
@@ -17,10 +18,10 @@ Bangle.on('lock', function(isLocked) {
       // Just unlocked — give a short delay and check if BTN1 is still pressed
       setTimeout(() => {
         if (digitalRead(BTN1)) {
+          unlockedWithLongPress = true;
+          //set brightness until. locked.
           Bangle.setLCDBrightness(0.1);
-        setTimeout(()=>{
-          Bangle.setLCDBrightness(0);
-        },s.lcdTimeout*1000);
+          
         } else {
           Bangle.setLCDBrightness(0);
         }
@@ -28,6 +29,4 @@ Bangle.on('lock', function(isLocked) {
     }
   });
 
-
-
-
+}