forked from FOSS/BangleApps
138 lines
4.1 KiB
JavaScript
138 lines
4.1 KiB
JavaScript
const alarms = require("Storage").readJSON("alarm.json",1)||[];
|
||
const active = alarms.filter(a=>a.on);
|
||
|
||
// Sleep/Wake detection with Estimation of Stationary Sleep-segments (ESS):
|
||
// Marko Borazio, Eugen Berlin, Nagihan K<>c<EFBFBD>kyildiz, Philipp M. Scholl and Kristof Van Laerhoven, "Towards a Benchmark for Wearable Sleep Analysis with Inertial Wrist-worn Sensing Units", ICHI 2014, Verona, Italy, IEEE Press, 2014.
|
||
// https://ubicomp.eti.uni-siegen.de/home/datasets/ichi14/index.html.en
|
||
//
|
||
// Function needs to be called for every measurement but returns a value at maximum once a second (see winwidth)
|
||
// start of sleep marker is delayed by sleepthresh due to continous data reading
|
||
const winwidth=13;
|
||
const nomothresh=0.006;
|
||
const sleepthresh=600;
|
||
var ess_values = [];
|
||
var slsnds = 0;
|
||
function calc_ess(val) {
|
||
ess_values.push(val);
|
||
|
||
if (ess_values.length == winwidth) {
|
||
// calculate standard deviation over ~1s
|
||
const mean = ess_values.reduce((prev,cur) => cur+prev) / ess_values.length;
|
||
const stddev = Math.sqrt(ess_values.map(val => Math.pow(val-mean,2)).reduce((prev,cur) => prev+cur)/ess_values.length);
|
||
ess_values = [];
|
||
|
||
// check for non-movement according to the threshold
|
||
const nonmot = stddev < nomothresh;
|
||
|
||
// amount of seconds within non-movement sections
|
||
if (nonmot) {
|
||
slsnds+=1;
|
||
if (slsnds >= sleepthresh) {
|
||
return true; // awake
|
||
}
|
||
} else {
|
||
slsnds=0;
|
||
return false; // sleep
|
||
}
|
||
}
|
||
}
|
||
|
||
// locate next alarm
|
||
var nextAlarm;
|
||
active.forEach(alarm => {
|
||
const now = new Date();
|
||
const alarmHour = alarm.hr/1;
|
||
const alarmMinute = Math.round((alarm.hr%1)*60);
|
||
var dateAlarm = new Date(now.getFullYear(), now.getMonth(), now.getDate(), alarmHour, alarmMinute);
|
||
if (dateAlarm < now) { // dateAlarm in the past, add 24h
|
||
dateAlarm.setTime(dateAlarm.getTime() + (24*60*60*1000));
|
||
}
|
||
if (nextAlarm === undefined || dateAlarm < nextAlarm) {
|
||
nextAlarm = dateAlarm;
|
||
}
|
||
});
|
||
|
||
function drawString(s, x, y) {
|
||
g.clearRect(0,y-15,239,y+15);
|
||
g.reset();
|
||
g.setFont("Vector",20);
|
||
g.setFontAlign(0,0); // align right bottom
|
||
g.drawString(s, x, y);
|
||
}
|
||
|
||
function drawApp() {
|
||
g.clearRect(0,24,239,215);
|
||
var alarmHour = nextAlarm.getHours();
|
||
var alarmMinute = nextAlarm.getMinutes();
|
||
if (alarmHour < 10) alarmHour = "0" + alarmHour;
|
||
if (alarmMinute < 10) alarmMinute = "0" + alarmMinute;
|
||
const s = alarmHour + ":" + alarmMinute + "\n\n";
|
||
E.showMessage(s, "Sleep Phase Alarm");
|
||
|
||
function drawTime() {
|
||
if (Bangle.isLCDOn()) {
|
||
const now = new Date();
|
||
var nowHour = now.getHours();
|
||
var nowMinute = now.getMinutes();
|
||
var nowSecond = now.getSeconds();
|
||
if (nowHour < 10) nowHour = "0" + nowHour;
|
||
if (nowMinute < 10) nowMinute = "0" + nowMinute;
|
||
if (nowSecond < 10) nowSecond = "0" + nowSecond;
|
||
const time = nowHour + ":" + nowMinute + ":" + nowSecond;
|
||
drawString(time, 120, 140);
|
||
}
|
||
}
|
||
|
||
setInterval(drawTime, 500); // 2Hz
|
||
}
|
||
|
||
var buzzCount = 19;
|
||
function buzz() {
|
||
Bangle.setLCDPower(1);
|
||
Bangle.buzz().then(()=>{
|
||
if (buzzCount--) {
|
||
setTimeout(buzz, 500);
|
||
} else {
|
||
// back to main after finish
|
||
setTimeout(load, 1000);
|
||
}
|
||
});
|
||
}
|
||
|
||
// run
|
||
var minAlarm = new Date();
|
||
var measure = true;
|
||
if (nextAlarm !== undefined) {
|
||
Bangle.drawWidgets();
|
||
Bangle.loadWidgets();
|
||
|
||
// minimum alert 30 minutes early
|
||
minAlarm.setTime(nextAlarm.getTime() - (30*60*1000));
|
||
setInterval(function() {
|
||
const now = new Date();
|
||
const acc = Bangle.getAccel().mag;
|
||
const swest = calc_ess(acc);
|
||
|
||
if (swest !== undefined) {
|
||
if (Bangle.isLCDOn()) {
|
||
drawString(swest ? "Sleep" : "Awake", 120, 180);
|
||
}
|
||
}
|
||
|
||
if (now >= nextAlarm) {
|
||
// The alarm widget should handle this one
|
||
setTimeout(load, 1000);
|
||
} else if (measure && now >= minAlarm && swest === false) {
|
||
buzz();
|
||
measure = false;
|
||
}
|
||
}, 80); // 12.5Hz
|
||
drawApp();
|
||
} else {
|
||
E.showMessage('No Alarm');
|
||
setTimeout(load, 1000);
|
||
}
|
||
// BTN2 to menu, BTN3 to main
|
||
setWatch(Bangle.showLauncher, BTN2, { repeat: false, edge: "falling" });
|
||
setWatch(() => load(), BTN3, { repeat: false, edge: "falling" });
|