BangleApps/apps/boot/boot0.js

// This ALWAYS runs at boot
E.setFlags({pretokenise:1});
// Load settings...
var s = require('Storage').readJSON('setting.json')||{};
if (s.ble!==false) {
  if (s.HID) { // Humen interface device
    Bangle.HID = E.toUint8Array(atob("BQEJBqEBhQIFBxngKecVACUBdQGVCIEClQF1CIEBlQV1AQUIGQEpBZEClQF1A5EBlQZ1CBUAJXMFBxkAKXOBAAkFFQAm/wB1CJUCsQLABQwJAaEBhQEVACUBdQGVAQm1gQIJtoECCbeBAgm4gQIJzYECCeKBAgnpgQIJ6oECwA=="));
    NRF.setServices({}, {uart:true, hid:Bangle.HID});
  }
}
if (s.blerepl===false) { // If not programmable, force terminal off Bluetooth
  if (s.log) Terminal.setConsole(true); // if showing debug, force REPL onto terminal
  else E.setConsole(null,{force:true}); // on new (2v05+) firmware we have E.setConsole which allows a 'null' console
} else {
  if (s.log) Terminal.setConsole(); // if showing debug, put REPL on terminal (until connection)
  else Bluetooth.setConsole(true); // else if no debug, force REPL to Bluetooth
}
// we just reset, so BLE should be on
if (s.ble===false) NRF.sleep();
// Set time, vibrate, beep, etc
if (!s.vibrate) Bangle.buzz=Promise.resolve;
if (!s.beep) Bangle.beep=Promise.resolve;
Bangle.setLCDTimeout(s.timeout);
if (!s.timeout) Bangle.setLCDPower(1);
E.setTimeZone(s.timezone);
delete s;
// check for alarms
function checkAlarm() {
  var alarms = require('Storage').readJSON('alarm.json')||[];
  var time = new Date();
  var active = alarms.filter(a=>a.on&&(a.last!=time.getDate()));
  if (active.length) {
    active = active.sort((a,b)=>a.hr-b.hr);
    var hr = time.getHours()+(time.getMinutes()/60);
    if (!require('Storage').read("alarm.app.js")) {
      console.log("No alarm app!");
      require('Storage').write('alarm.json',"[]")
    } else {
      if (active[0].hr < hr) {
        // fire alarm now
        load("alarm.app.js");
      } else {
        // execute alarm at the correct time
        setTimeout(function() {
          load("alarm.app.js");
        },3600000*(active[0].hr-hr));
      }
    }
  }
}
// check to see if our clock is wrong - if it is use GPS time
if ((new Date()).getFullYear()==1970) {
  //console.log("Searching for GPS time");
  Bangle.on('GPS',function cb(g) {
    Bangle.setGPSPower(0);
    Bangle.removeListener("GPS",cb);
    if (!g.time || (g.time.getFullYear()<2000) ||
       (g.time.getFullYear()==2250)) {
      //console.log("GPS receiver's time not set");
      return;
    }
    setTime(g.time.getTime()/1000);
    //console.log("GPS time",g.time.toString());
    checkAlarm();
  });
  Bangle.setGPSPower(1);
} else checkAlarm();
delete checkAlarm;