mirror of https://github.com/espruino/BangleApps
179 lines
10 KiB
JavaScript
179 lines
10 KiB
JavaScript
/* This rewrites boot0.js based on current settings. If settings changed then it
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recalculates, but this avoids us doing a whole bunch of reconfiguration most
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of the time. */
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{ // execute in our own scope so we don't have to free variables...
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E.showMessage(/*LANG*/"Updating boot0...");
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let s = require('Storage').readJSON('setting.json',1)||{};
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//const BANGLEJS2 = process.env.HWVERSION==2; // Is Bangle.js 2
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const FWVERSION = parseFloat(process.env.VERSION.replace("v","").replace(/\.(\d\d)$/,".0$1"));
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const DEBUG = s.bootDebug; // we can set this to enable debugging output in boot0
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let boot = "", bootPost = "";
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if (DEBUG) {
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boot += "var _tm=Date.now()\n";
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bootPost += "delete _tm;";
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}
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if (require('Storage').hash) { // new in 2v11 - helps ensure files haven't changed
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let CRC = E.CRC32(require('Storage').read('setting.json'))+require('Storage').hash(/\.boot\.js/)+E.CRC32(process.env.GIT_COMMIT);
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boot += `if(E.CRC32(require('Storage').read('setting.json'))+require('Storage').hash(/\\.boot\\.js/)+E.CRC32(process.env.GIT_COMMIT)!=${CRC})`;
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} else {
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let CRC = E.CRC32(require('Storage').read('setting.json'))+E.CRC32(require('Storage').list(/\.boot\.js/))+E.CRC32(process.env.GIT_COMMIT);
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boot += `if(E.CRC32(require('Storage').read('setting.json'))+E.CRC32(require('Storage').list(/\\.boot\\.js/))+E.CRC32(process.env.GIT_COMMIT)!=${CRC})`;
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}
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boot += `{eval(require('Storage').read('bootupdate.js'));print("Storage Updated!")}else{\n`;
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boot += `E.setFlags({pretokenise:1});\n`;
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boot += `var bleServices = {}, bleServiceOptions = { uart : true};\n`;
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bootPost += `NRF.setServices(bleServices,bleServiceOptions);delete bleServices,bleServiceOptions;\n`; // executed after other boot code
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if (s.ble!==false) {
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if (s.HID) { // Human interface device
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if (s.HID=="joy") boot += `Bangle.HID = E.toUint8Array(atob("BQEJBKEBCQGhAAUJGQEpBRUAJQGVBXUBgQKVA3UBgQMFAQkwCTEVgSV/dQiVAoECwMA="));`;
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else if (s.HID=="com") boot += `Bangle.HID = E.toUint8Array(atob("BQEJAqEBhQEJAaEABQkZASkFFQAlAZUFdQGBApUBdQOBAwUBCTAJMQk4FYElf3UIlQOBBgUMCjgCFYElf3UIlQGBBsDABQEJBqEBhQIFBxngKecVACUBdQGVCIECdQiVAYEBGQApcxUAJXOVBXUIgQDA"));`
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else if (s.HID=="kb") boot += `Bangle.HID = E.toUint8Array(atob("BQEJBqEBBQcZ4CnnFQAlAXUBlQiBApUBdQiBAZUFdQEFCBkBKQWRApUBdQORAZUGdQgVACVzBQcZAClzgQAJBRUAJv8AdQiVArECwA=="));`
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else /*kbmedia*/boot += `Bangle.HID = E.toUint8Array(atob("BQEJBqEBhQIFBxngKecVACUBdQGVCIEClQF1CIEBlQV1AQUIGQEpBZEClQF1A5EBlQZ1CBUAJXMFBxkAKXOBAAkFFQAm/wB1CJUCsQLABQwJAaEBhQEVACUBdQGVAQm1gQIJtoECCbeBAgm4gQIJzYECCeKBAgnpgQIJ6oECwA=="));`;
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boot += `bleServiceOptions.hid=Bangle.HID;\n`;
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}
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}
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// settings.log 0-off, 1-display, 2-log, 3-both
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if (s.blerepl===false) { // If not programmable, force terminal off Bluetooth
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if (s.log>=2) { boot += `_DBGLOG=require("Storage").open("log.txt","a");
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LoopbackB.on('data',function(d) {_DBGLOG.write(d);${(s.log==3)?"Terminal.write(d);":""}});
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LoopbackA.setConsole(true);\n`;
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} else if (s.log==1) boot += `Terminal.setConsole(true);\n`; // if showing debug, force REPL onto terminal
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else boot += `E.setConsole(null,{force:true});\n`; // on new (2v05+) firmware we have E.setConsole which allows a 'null' console
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/* If not programmable add our own handler for Bluetooth data
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to allow Gadgetbridge commands to be received*/
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boot += `
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Bluetooth.line="";
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Bluetooth.on('data',function(d) {
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var l = (Bluetooth.line + d).split(/[\\n\\r]/);
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Bluetooth.line = l.pop();
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l.forEach(n=>Bluetooth.emit("line",n));
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});
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Bluetooth.on('line',function(l) {
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if (l.startsWith('\x10')) l=l.slice(1);
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if (l.startsWith('GB({') && l.endsWith('})') && global.GB)
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try { global.GB(JSON.parse(l.slice(3,-1))); } catch(e) {}
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});\n`;
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} else {
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if (s.log>=2) boot += `_DBGLOG=require("Storage").open("log.txt","a");
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LoopbackB.on('data',function(d) {_DBGLOG.write(d);${(s.log==3)?"Terminal.write(d);":""}});
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if (!NRF.getSecurityStatus().connected) LoopbackA.setConsole();\n`;
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else if (s.log==1) boot += `if (!NRF.getSecurityStatus().connected) Terminal.setConsole();\n`; // if showing debug, put REPL on terminal (until connection)
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else boot += `Bluetooth.setConsole(true);\n`; // else if no debug, force REPL to Bluetooth
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}
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// we just reset, so BLE should be on.
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// Don't disconnect if something is already connected to us
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if (s.ble===false) boot += `if (!NRF.getSecurityStatus().connected) NRF.sleep();\n`;
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// Set time
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if (s.timeout!==undefined) boot += `Bangle.setLCDTimeout(${s.timeout});\n`;
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if (!s.timeout) boot += `Bangle.setLCDPower(1);\n`;
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boot += `E.setTimeZone(${s.timezone});`;
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// Draw out of memory errors onto the screen
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boot += `E.on('errorFlag', function(errorFlags) {
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g.reset(1).setColor("#ff0000").setFont("6x8").setFontAlign(0,1).drawString(errorFlags,g.getWidth()/2,g.getHeight()-1).flip();
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print("Interpreter error:", errorFlags);
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E.getErrorFlags(); // clear flags so we get called next time
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});\n`;
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// stop users doing bad things!
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if (global.save) boot += `global.save = function() { throw new Error("You can't use save() on Bangle.js without overwriting the bootloader!"); }\n`;
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// Apply any settings-specific stuff
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if (s.options) boot+=`Bangle.setOptions(${E.toJS(s.options)});\n`;
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if (s.brightness && s.brightness!=1) boot+=`Bangle.setLCDBrightness(${s.brightness});\n`;
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if (s.bleprivacy || (s.passkey!==undefined && s.passkey.length==6)) {
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let passkey = s.passkey ? `passkey:${E.toJS(s.passkey.toString())},display:1,mitm:1,` : "";
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let privacy = s.bleprivacy ? `privacy:${E.toJS(s.bleprivacy)},` : "";
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boot+=`NRF.setSecurity({${passkey}${privacy}});\n`;
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}
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if (s.blename === false) boot+=`NRF.setAdvertising({},{showName:false});\n`;
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if (s.whitelist && !s.whitelist_disabled) boot+=`NRF.on('connect', function(addr) { if (!NRF.ignoreWhitelist) { let whitelist = (require('Storage').readJSON('setting.json',1)||{}).whitelist; if (NRF.resolveAddress !== undefined) { let resolvedAddr = NRF.resolveAddress(addr); if (resolvedAddr !== undefined) addr = resolvedAddr + " (resolved)"; } if (!whitelist.includes(addr)) NRF.disconnect(); }});\n`;
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if (s.rotate) boot+=`g.setRotation(${s.rotate&3},${s.rotate>>2});\n` // screen rotation
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// ================================================== FIXING OLDER FIRMWARES
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if (FWVERSION<215.068) // 2v15.68 and before had compass heading inverted.
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boot += `Bangle.on('mag',e=>{if(!isNaN(e.heading))e.heading=360-e.heading;});
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Bangle.getCompass=(c=>(()=>{e=c();if(!isNaN(e.heading))e.heading=360-e.heading;return e;}))(Bangle.getCompass);`;
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// deleting stops us getting confused by our own decl. builtins can't be deleted
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// this is a polyfill without fastloading capability
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delete Bangle.showClock;
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if (!Bangle.showClock) boot += `Bangle.showClock = ()=>{load(".bootcde")};\n`;
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delete Bangle.load;
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if (!Bangle.load) boot += `Bangle.load = load;\n`;
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let date = new Date();
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delete date.toLocalISOString; // toLocalISOString was only introduced in 2v15
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if (!date.toLocalISOString) boot += `Date.prototype.toLocalISOString = function() {
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var o = this.getTimezoneOffset();
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var d = new Date(this.getTime() - o*60000);
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var sign = o>0?"-":"+";
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o = Math.abs(o);
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return d.toISOString().slice(0,-1)+sign+Math.floor(o/60).toString().padStart(2,0)+(o%60).toString().padStart(2,0);
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};\n`;
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// show timings
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if (DEBUG) boot += `print(".boot0",0|(Date.now()-_tm),"ms");_tm=Date.now();\n`
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// ================================================== BOOT.JS
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// Append *.boot.js files.
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// Name files with a number - eg 'foo.5.boot.js' to enforce order (lowest first). Numbered files get placed before non-numbered
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// These could change bleServices/bleServiceOptions if needed
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let bootFiles = require('Storage').list(/\.boot\.js$/).sort((a,b)=>{
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let getPriority = /.*\.(\d+)\.boot\.js$/;
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let aPriority = a.match(getPriority);
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let bPriority = b.match(getPriority);
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if (aPriority && bPriority){
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return parseInt(aPriority[1]) - parseInt(bPriority[1]);
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} else if (aPriority && !bPriority){
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return -1;
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} else if (!aPriority && bPriority){
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return 1;
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}
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return a==b ? 0 : (a>b ? 1 : -1);
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});
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// precalculate file size
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bootPost += "}";
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let fileSize = boot.length + bootPost.length;
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bootFiles.forEach(bootFile=>{
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// match the size of data we're adding below in bootFiles.forEach
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if (DEBUG) fileSize += 2+bootFile.length+1; // `//${bootFile}\n` comment
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fileSize += require('Storage').read(bootFile).length+2; // boot code plus ";\n"
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if (DEBUG) fileSize += 48+E.toJS(bootFile).length; // `print(${E.toJS(bootFile)},0|(Date.now()-_tm),"ms");_tm=Date.now();\n`
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});
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// write file in chunks (so as not to use up all RAM)
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require('Storage').write('.boot0',boot,0,fileSize);
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let fileOffset = boot.length;
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bootFiles.forEach(bootFile=>{
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// we add a semicolon so if the file is wrapped in (function(){ ... }()
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// with no semicolon we don't end up with (function(){ ... }()(function(){ ... }()
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// which would cause an error!
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// we write:
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// "//"+bootFile+"\n"+require('Storage').read(bootFile)+";\n";
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// but we need to do this without ever loading everything into RAM as some
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// boot files seem to be getting pretty big now.
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if (DEBUG) {
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require('Storage').write('.boot0',`//${bootFile}\n`,fileOffset);
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fileOffset+=2+bootFile.length+1;
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}
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let bf = require('Storage').read(bootFile);
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// we can't just write 'bf' in one go because at least in 2v13 and earlier
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// Espruino wants to read the whole file into RAM first, and on Bangle.js 1
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// it can be too big (especially BTHRM).
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let bflen = bf.length;
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let bfoffset = 0;
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while (bflen) {
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let bfchunk = Math.min(bflen, 2048);
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require('Storage').write('.boot0',bf.substr(bfoffset, bfchunk),fileOffset);
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fileOffset+=bfchunk;
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bfoffset+=bfchunk;
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bflen-=bfchunk;
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}
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require('Storage').write('.boot0',";\n",fileOffset);
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fileOffset+=2;
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if (DEBUG) {
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require('Storage').write('.boot0',`print(${E.toJS(bootFile)},0|(Date.now()-_tm),"ms");_tm=Date.now();\n`,fileOffset);
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fileOffset += 48+E.toJS(bootFile).length
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}
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});
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require('Storage').write('.boot0',bootPost,fileOffset);
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E.showMessage(/*LANG*/"Reloading...");
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}
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// .bootcde should be run automatically after if required, since
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// we normally get called automatically from '.boot0'
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eval(require('Storage').read('.boot0'));
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