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