mirror of https://github.com/espruino/BangleApps
New heart rate recorder app
sebi
parent
0ebc1c3a50
commit
47575f0f80
14
apps.json
14
apps.json
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@ -261,6 +261,20 @@
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{"name":"gpsrec.wid.js","url":"widget.js"}
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]
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},
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{ "id": "heart",
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"name": "Heart Rate Recorder",
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"icon": "app.png",
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"version":"0.01",
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"interface": "interface.html",
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"description": "Application that allows you to record your heart rate. Can run in background",
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"tags": "tool,health,widget",
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"storage": [
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{"name":"heart.app.js","url":"app.js"},
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{"name":"heart.json","url":"app-settings.json","evaluate":true},
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{"name":"heart.img","url":"app-icon.js","evaluate":true},
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{"name":"heart.wid.js","url":"widget.js"}
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]
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},
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{ "id": "slevel",
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"name": "Spirit Level",
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"icon": "spiritlevel.png",
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@ -0,0 +1,2 @@
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0.01: New App!
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@ -0,0 +1 @@
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require("heatshrink").decompress(atob("mEwwhC/AH4AWzIAByAHDhIICCpINDDAgIIFpAADBBQuKE4QIIFxgAKC7g9HABSbIBQQXWGxgXEKQxOMC5AhBC66WMC5AuBJ5h3ICoI3LeAwKBBAICBD4TmHC48ACgQCCfxC/HAgYXDL44vFA4YRDAoiOIHAgXFYRAXFBwwIIOw4OGIxKmIC5ylHGAoXIXpBIGLxxIIIx6IJFxwwNCxQwLFxYwLCxgwJFxowJCxwwHFx4wHCyAwFFyIwFCyQYDCygA/AH4AFA"))
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@ -0,0 +1,4 @@
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{
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"isRecording":false,
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"fileNbr":0
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}
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@ -0,0 +1,100 @@
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Bangle.loadWidgets();
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Bangle.drawWidgets();
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var settings = require("Storage").readJSON("heart.json",1)||{};
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function getFileNbr(n) {
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return ".heart"+n.toString(36);
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}
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function updateSettings() {
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require("Storage").write("heart.json", settings);
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if (WIDGETS["heart"])
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WIDGETS["heart"].reload();
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}
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function showMainMenu() {
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const mainMenu = {
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'': { 'title': 'Heart Recorder' },
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'RECORD': {
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value: !!settings.isRecording,
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format: v=>v?"On":"Off",
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onchange: v => {
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settings.isRecording = v;
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updateSettings();
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}
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},
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'File Number': {
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value: settings.fileNbr|0,
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min: 0,
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max: 35,
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step: 1,
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onchange: v => {
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settings.isRecording = false;
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settings.fileNbr = v;
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updateSettings();
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}
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},
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'View Records': viewRecords,
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'< Back': ()=>{load();}
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};
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return E.showMenu(mainMenu);
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}
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function viewRecords() {
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const menu = {
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'': { 'title': 'Heart Records' }
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};
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var found = false;
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for (var n=0;n<36;n++) {
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var f = require("Storage").open(getFileNbr(n),"r");
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if (f.readLine()!==undefined) {
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menu["Record "+n] = viewRecord.bind(null,n);
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found = true;
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}
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}
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if (!found)
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menu["No Records Found"] = function(){};
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menu['< Back'] = showMainMenu;
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return E.showMenu(menu);
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}
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function viewRecord(n) {
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const menu = {
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'': { 'title': 'Heart Record '+n }
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};
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var heartCount = 0;
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var heartTime;
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var f = require("Storage").open(getFileNbr(n),"r");
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var l = f.readLine();
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if (l!==undefined) {
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var c = l.split(",");
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heartTime = new Date(c[0]*1000);
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}
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while (l!==undefined) {
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heartCount++;
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// TODO: min/max/average of heart rate?
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l = f.readLine();
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}
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if (heartTime)
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menu[" "+heartTime.toString().substr(4,17)] = function(){};
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menu[heartCount+" records"] = function(){};
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// TODO: option to draw it? Just scan through, project using min/max
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menu['Erase'] = function() {
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E.showPrompt("Delete Record?").then(function(v) {
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if (v) {
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settings.isRecording = false;
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updateSettings();
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var f = require("Storage").open(getFileNbr(n),"r");
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f.erase();
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viewRecords();
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} else
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viewRecord(n);
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});
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};
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menu['< Back'] = viewRecords;
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print(menu);
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return E.showMenu(menu);
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}
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showMainMenu();
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Binary file not shown.
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After Width: | Height: | Size: 883 B |
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@ -0,0 +1,149 @@
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<html>
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<head>
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<link rel="stylesheet" href="../../css/spectre.min.css">
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</head>
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<body>
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<div id="records"></div>
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<div class="modal active" id="status-modal">
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<div class="modal-overlay"></div>
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<div class="modal-container">
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<div class="modal-header">
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<div class="modal-name h5">Please wait</div>
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</div>
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<div class="modal-body">
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<div class="content">
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Loading...
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</div>
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</div>
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</div>
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</div>
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<script src="../../lib/interface.js"></script>
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<script>
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var domRecords = document.getElementById("records");
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var domModal = document.getElementById("status-modal");
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function showModal(name) {
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domModal.querySelector(".content").innerHTML = name;
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domModal.classList.add("active");
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}
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function hideModal(name) {
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domModal.classList.remove("active");
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}
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function saveRecord(record,name) {
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var csv = `${record.map(rec=>[rec.time, rec.bpm, rec.confidence].join(",")).join("\n")}`;
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var a = document.createElement("a"),
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file = new Blob([csv], {type: "Comma-separated value file"});
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var url = URL.createObjectURL(file);
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a.href = url;
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a.download = name+".csv";
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document.body.appendChild(a);
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a.click();
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setTimeout(function() {
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document.body.removeChild(a);
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window.URL.revokeObjectURL(url);
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}, 0);
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}
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function recordLineToObject(l, hasRecordNbr) {
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var t = l.trim().split(",");
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var n = hasRecordNbr?1:0;
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var o = {
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time: parseInt(t[n+0]),
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bpm: parseFloat(t[n+1]),
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confidence: parseFloat(t[n+2]),
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};
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if (hasRecordNbr)
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o.number = t[0];
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return o;
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}
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function downloadRecord(recordNbr, callback) {
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showModal("Downloading heart rate record...");
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Puck.write(`\x10(function() {
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var f = require("Storage").open(".heart${recordNbr.toString(36)}","r");
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var l = f.readLine();
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while (l!==undefined) { Bluetooth.print(l); l = f.readLine(); }
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})()\n`,recordList=>{
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hideModal();
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var record = recordList.trim().split("\n").map(l=>recordLineToObject(l,false));
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callback(record);
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});
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}
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function getRecordList() {
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showModal("Loading heart rate records...");
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domRecords.innerHTML = "";
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Puck.write(`\x10(function() {
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for (var n=0;n<36;n++) {
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var f = require("Storage").open(".heart"+n.toString(36),"r");
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var l = f.readLine();
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if (l!==undefined)
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Bluetooth.println(n+","+l.trim());
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}
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})()\n`,recordList=>{
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var recordLines = recordList.trim().split("\n");
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var html = `<div class="container">
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<div class="columns">\n`;
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recordLines.forEach(l => {
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var record = recordLineToObject(l, true /*has record number*/);
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html += `
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<div class="column col-12">
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<div class="card-header">
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<div class="card-title h5">Heart Rate Record ${record.number}</div>
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<div class="card-subtitle text-gray">${(new Date(record.time*1000)).toString().substr(0,24)}</div>
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</div>
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<div class="card-body"></div>
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<div class="card-footer">
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<button class="btn btn-primary" recordNbr="${record.number}" task="download">Download</button>
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<button class="btn btn-default" recordNbr="${record.number}" task="delete">Delete</button>
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</div>
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</div>
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`;
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});
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if (recordLines.length==0) {
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html += `
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<div class="column col-12">
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<div class="card-header">
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<div class="card-title h5">No record</div>
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<div class="card-subtitle text-gray">No heart rate record found</div>
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</div>
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</div>
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`;
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}
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html += `
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</div>
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</div>`;
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domRecords.innerHTML = html;
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hideModal();
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var buttons = domRecords.querySelectorAll("button");
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for (var i=0;i<buttons.length;i++) {
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buttons[i].addEventListener("click",event => {
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var button = event.currentTarget;
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var recordNbr = button.getAttribute("recordNbr");
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var task = button.getAttribute("task");
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if (task=="delete") {
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showModal("Deleting record...");
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Puck.write(`\x10require("Storage").open(".heart${recordNbr.toString(36)}","r").erase()\n`,()=>{
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hideModal();
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getRecordList();
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});
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}
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if (task=="download") {
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downloadRecord(recordNbr, record => saveRecord(record, `HeartRateRecord${recordNbr}`));
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}
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});
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}
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})
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}
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function onInit() {
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getRecordList();
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}
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</script>
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</body>
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</html>
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@ -0,0 +1,50 @@
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(() => {
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var settings = {};
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var hrmToggle = true; // toggles once for each reading
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var recFile; // file for heart rate recording
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// draw your widget
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function draw() {
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if (!settings.isRecording) return;
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g.reset();
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g.setFontAlign(0,0);
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g.clearRect(this.x,this.y,this.x+23,this.y+23);
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g.setColor(hrmToggle?"#ff0000":"#ff8000");
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g.fillCircle(this.x+6,this.y+6,4); // draw heart left circle
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g.fillCircle(this.x+16,this.y+6,4); // draw heart right circle
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g.fillPoly([this.x+2,this.y+8,this.x+20,this.y+8,this.x+11,this.y+18]); // draw heart bottom triangle
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g.setColor(-1); // change color back to be nice to other apps
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}
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function onHRM(hrm) {
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hrmToggle = !hrmToggle;
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WIDGETS["heart"].draw();
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if (recFile) recFile.write([getTime().toFixed(0),hrm.bpm,hrm.confidence].join(",")+"\n");
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}
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// Called by the heart app to reload settings and decide what's
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function reload() {
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settings = require("Storage").readJSON("heart.json",1)||{};
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settings.fileNbr |= 0;
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Bangle.removeListener('HRM',onHRM);
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if (settings.isRecording) {
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WIDGETS["heart"].width = 24;
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Bangle.on('HRM',onHRM);
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Bangle.setHRMPower(1);
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var n = settings.fileNbr.toString(36);
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recFile = require("Storage").open(".heart"+n,"a");
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} else {
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WIDGETS["heart"].width = 0;
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Bangle.setHRMPower(0);
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recFile = undefined;
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}
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}
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// add the widget
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WIDGETS["heart"]={area:"tl",width:24,draw:draw,reload:function() {
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reload();
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Bangle.drawWidgets(); // relayout all widgets
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}};
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// load settings, set correct widget width
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reload();
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})()
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