mirror of https://github.com/espruino/BangleApps
139 lines
3.2 KiB
JavaScript
139 lines
3.2 KiB
JavaScript
var fileNumber = 0;
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var MAXLOGS = 9;
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function getFileName(n) {
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return "accellog."+n+".csv";
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}
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function showMenu() {
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var menu = {
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"" : { title : "Accel Logger" },
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"File No" : {
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value : fileNumber,
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min : 0,
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max : MAXLOGS,
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onchange : v => { fileNumber=v; }
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},
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"Start" : function() {
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E.showMenu();
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startRecord();
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},
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"View Logs" : function() {
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viewLogs();
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},
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"Exit" : function() {
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load();
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},
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};
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E.showMenu(menu);
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}
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function viewLog(n) {
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E.showMessage("Loading...");
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var f = require("Storage").open(getFileName(n), "r");
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var records = 0, l = "", ll="";
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while ((l=f.readLine())!==undefined) {records++;ll=l;}
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var length = 0;
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if (ll) length = (ll.split(",")[0]|0)/1000;
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var menu = {
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"" : { title : "Log "+n }
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};
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menu[records+" Records"] = "";
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menu[length+" Seconds"] = "";
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menu["DELETE"] = function() {
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E.showPrompt("Delete Log "+n).then(ok=>{
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if (ok) {
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E.showMessage("Erasing...");
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f.erase();
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viewLogs();
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} else viewLog(n);
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});
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};
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menu["< Back"] = function() {
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viewLogs();
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};
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E.showMenu(menu);
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}
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function viewLogs() {
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var menu = {
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"" : { title : "Logs" }
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};
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var hadLogs = false;
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for (var i=0;i<=MAXLOGS;i++) {
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var f = require("Storage").open(getFileName(i), "r");
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if (f.readLine()!==undefined) {
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(function(i) {
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menu["Log "+i] = () => viewLog(i);
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})(i);
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hadLogs = true;
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}
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}
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if (!hadLogs)
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menu["No Logs Found"] = function(){};
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menu["< Back"] = function() { showMenu(); };
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E.showMenu(menu);
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}
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function startRecord(force) {
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if (!force) {
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// check for existing file
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var f = require("Storage").open(getFileName(fileNumber), "r");
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if (f.readLine()!==undefined)
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return E.showPrompt("Overwrite Log "+fileNumber+"?").then(ok=>{
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if (ok) startRecord(true); else showMenu();
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});
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}
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// display
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g.clear(1);
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Bangle.drawWidgets();
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var Layout = require("Layout");
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var layout = new Layout({ type: "v", c: [
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{type:"txt", font:"6x8", label:"Samples", pad:2},
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{type:"txt", id:"samples", font:"6x8:2", label:" - ", pad:5, bgCol:g.theme.bg},
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{type:"txt", font:"6x8", label:"Time", pad:2},
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{type:"txt", id:"time", font:"6x8:2", label:" - ", pad:5, bgCol:g.theme.bg},
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{type:"txt", font:"6x8:2", label:"RECORDING", bgCol:"#f00", pad:5, fillx:1},
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]
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},[ // Buttons...
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{label:"STOP", cb:()=>{
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Bangle.removeListener('accel', accelHandler);
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showMenu();
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}}
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]);
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layout.render();
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// now start writing
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var f = require("Storage").open(getFileName(fileNumber), "w");
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f.write("Time (ms),X,Y,Z\n");
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var start = getTime();
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var sampleCount = 0;
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function accelHandler(accel) {
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var t = getTime()-start;
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f.write([
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t*1000,
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accel.x*8192,
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accel.y*8192,
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accel.z*8192].map(n=>Math.round(n)).join(",")+"\n");
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sampleCount++;
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layout.samples.label = sampleCount;
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layout.time.label = Math.round(t)+"s";
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layout.render(layout.samples);
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layout.render(layout.time);
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}
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Bangle.setPollInterval(80); // 12.5 Hz - the default
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Bangle.on('accel', accelHandler);
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}
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Bangle.loadWidgets();
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Bangle.drawWidgets();
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showMenu();
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