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Save misiek08/73a32096d779e118b9718a0182630a4f to your computer and use it in GitHub Desktop.
Uploader ESL Electronic Shelf Label (slight play with rotation of text, fork of https://github.com/atc1441/ATC_GICISKY_ESL)
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| font-family: 'Roboto'; | |
| font-style: normal; | |
| font-weight: 400; | |
| font-display: swap; | |
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| /* cyrillic */ | |
| @font-face { | |
| font-family: 'Roboto'; | |
| font-style: normal; | |
| font-weight: 400; | |
| font-display: swap; | |
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| unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; | |
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| font-family: 'Roboto'; | |
| font-style: normal; | |
| font-weight: 400; | |
| font-display: swap; | |
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| /* greek */ | |
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| font-family: 'Roboto'; | |
| font-style: normal; | |
| font-weight: 400; | |
| font-display: swap; | |
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| @font-face { | |
| font-family: 'Roboto'; | |
| font-style: normal; | |
| font-weight: 400; | |
| font-display: swap; | |
| src: url(https://fonts.gstatic.com/s/roboto/v30/KFOmCnqEu92Fr1Mu7WxKKTU1Kvnz.woff2) format('woff2'); | |
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| font-family: 'Roboto'; | |
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| font-family: 'Roboto'; | |
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| /* cyrillic-ext */ | |
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| font-display: swap; | |
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| /* vietnamese */ | |
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| font-family: 'Roboto'; | |
| font-style: normal; | |
| font-weight: 700; | |
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| font-weight: 700; | |
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| font-family: 'Roboto'; | |
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| font-weight: 700; | |
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| } |
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| <!DOCTYPE html> | |
| <!-- saved from url=(0061)https://atc1441.github.io/ATC_GICISKY_Paper_Image_Upload.html --> | |
| <html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>ATC1441 BLE E-Paper Uploader</title> | |
| <link href="./ATC1441 BLE E-Paper Uploader_files/css2" rel="stylesheet"> | |
| <style> | |
| body { | |
| font-family: 'Roboto', sans-serif; | |
| text-align: center; | |
| margin: 20px; | |
| background-color: #f8f9fa; | |
| color: #333; | |
| } | |
| h1 { | |
| color: #007bff; | |
| margin-bottom: 1px; | |
| } | |
| label { | |
| font-weight: bold; | |
| margin-right: 5px; | |
| color: #555; | |
| } | |
| input[type="text"], | |
| select { | |
| padding: 8px; | |
| margin-bottom: 10px; | |
| border-radius: 5px; | |
| border: 1px solid #ccc; | |
| } | |
| button { | |
| padding: 8px 20px; | |
| background-color: #007bff; | |
| color: #fff; | |
| border: none; | |
| border-radius: 5px; | |
| cursor: pointer; | |
| transition: background-color 0.3s ease; | |
| } | |
| button:hover { | |
| background-color: #0056b3; | |
| } | |
| canvas { | |
| border: 1px solid black; | |
| } | |
| textarea { | |
| padding: 5px; | |
| border: 1px solid #ccc; | |
| border-radius: 5px; | |
| width: 100%; | |
| max-width: 400px; | |
| margin: 0 auto; | |
| } | |
| .container { | |
| max-width: 600px; | |
| margin: 0 auto; | |
| } | |
| #ble-upload { | |
| padding: 10px; | |
| background-color: #007bff; | |
| color: #fff; | |
| border-radius: 10px; | |
| } | |
| #ble-upload button { | |
| background-color: #fff; | |
| color: #007bff; | |
| } | |
| #ble-upload button:hover { | |
| background-color: #ddd; | |
| } | |
| #log { | |
| text-align: left; | |
| padding: 10px; | |
| border: 1px solid #ccc; | |
| border-radius: 5px; | |
| background-color: #f3f3f3; | |
| color: black; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <h1>ATC1441 BLE E-Paper Uploader</h1> | |
| Select display or enter Raw Type from advertising data to create the image<br> | |
| upload it then via the BLE part<br> | |
| <a href="https://github.com/atc1441/ATC_GICISKY_ESL" target="_blank">https://github.com/atc1441/ATC_GICISKY_ESL</a><br><br> | |
| <label for="optionsSelect">Type:</label> | |
| <select id="optionsSelect" onchange="updateParameters()"> | |
| <option value="Not Added">212x104 BW</option> | |
| <option value="Not Added">212x104 BWR</option> | |
| <option value="0030">296x128 BW</option> | |
| <option value="0032">296x128 BWR</option> | |
| <option value="0049">400x300 BW</option> | |
| <option value="004B">400x300 BWR</option> | |
| <option value="Not Added">640x384 BW</option> | |
| <option value="Not Added">640x384 BWR</option> | |
| <option value="Not Added">960x640 BW</option> | |
| <option value="Not Added">960x640 BWR</option> | |
| <option value="40A0">250x132 TFT</option> | |
| <option value="Not Added">196x96 BW</option> | |
| <option value="Not Added">196x96 BWR</option> | |
| <option value="Not Added">640x480 BW</option> | |
| <option value="Not Added">640x480 BWR</option> | |
| <option value="4109">250x122 BW</option> | |
| <option value="410B">250x122 BWR</option> | |
| <option value="Not Added">800x480 BW</option> | |
| <option value="Not Added">800x480 BWR</option> | |
| <option value="Not Added">280x480 BW</option> | |
| <option value="Not Added">280x480 BWR</option> | |
| </select><br> | |
| <label for="rawTypeInput">Raw Type:</label> | |
| <input type="text" id="rawTypeInput" placeholder="Type" value="40A0"> | |
| <button onclick="decodeRaw()">Decode</button><br> | |
| Type is first and last byte of advertising data, example: A01E810140 = 40A0<br><br> | |
| <label for="widthInput">Width:</label> | |
| <input type="text" id="widthInput" placeholder="Width" value="128"> | |
| <label for="heightInput">Height:</label> | |
| <input type="text" id="heightInput" placeholder="Height" value="250"> | |
| <button onclick="createCanvas()">Create Canvas</button><br><br> | |
| <input type="checkbox" id="compressionCheckbox"> | |
| <label for="compressionCheckbox">Compression</label> | |
| <input type="checkbox" id="secondColorCheckbox"> | |
| <label for="secondColorCheckbox">Second Color</label> | |
| <input type="checkbox" id="mirrorCheckbox"> | |
| <label for="mirrorCheckbox">Mirror Image</label><br><br> | |
| <canvas id="myCanvas" width="128" height="250"></canvas><br><br> | |
| <label for="textInput">Enter Text:</label> | |
| <input type="text" id="textInput" placeholder="Text" value="Hello"> | |
| <button onclick="addText()">Add Text</button><br><br> | |
| <button onclick="getPixelData()">Get Pixel Data</button><br><br> | |
| <textarea id="pixelData" rows="4" cols="10" 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| |
| <div id="ble-upload"> | |
| <h2>BLE Upload</h2> | |
| <button id="connectbutton" type="button" onclick="preConnect();">Disconnected</button> | |
| <button type="button" onclick="reConnect();">Reconnect</button> | |
| <button type="button" onclick="document.getElementById('log').innerHTML = '';">Clear Log</button> | |
| <br><br> | |
| <button type="button" onclick="sendimg(document.getElementById("pixelData").value);">Upload | |
| Image</button> | |
| <br><br> | |
| <input type="text" id="cmdTXT" value="01"> | |
| <button type="button" onclick="sendcmd(document.getElementById("cmdTXT").value);">Send Debug | |
| CMD</button> | |
| <br> | |
| <div id="status">Current part: 33</div> | |
| <div id="log">13:46:01 : Got bytes: 05001f000000<br>13:46:01 : Got bytes: 050020000000<br>13:46:01 : Got bytes: 050021000000<br>13:46:01 : Got bytes: 050800000000<br>13:46:02 : Image upload done, refreshing and reconecting now<br>13:46:02 : Disconnected.<br>13:46:07 : Reconnect<br>13:46:07 : Connecting to: NEMR92109789<br>13:46:24 : > Found write characteristicImg<br>13:46:24 : > Found write characteristic<br></div> | |
| </div> | |
| </div> | |
| <script> | |
| function createCanvas() { | |
| var width = parseInt(document.getElementById('widthInput').value); | |
| var height = parseInt(document.getElementById('heightInput').value); | |
| var canvas = document.getElementById('myCanvas'); | |
| canvas.width = width; | |
| canvas.height = height; | |
| var ctx = canvas.getContext('2d'); | |
| ctx.fillStyle = 'white'; | |
| ctx.fillRect(0, 0, width, height); | |
| } | |
| function addText() { | |
| var canvas = document.getElementById('myCanvas'); | |
| var ctx = canvas.getContext('2d'); | |
| var text = document.getElementById('textInput').value; | |
| var fontSize = 72; | |
| var maxWidth = canvas.width - 20; | |
| var x = canvas.width / 2; | |
| var y = canvas.height / 2; | |
| ctx.textAlign = 'center'; | |
| ctx.textBaseline = 'middle'; | |
| ctx.fillStyle = 'black'; | |
| do { | |
| fontSize--; | |
| ctx.font = fontSize + 'px Arial'; | |
| } while (ctx.measureText(text).width > maxWidth && fontSize > 0); | |
| // MISIEK START | |
| // ctx.fillText(text, x, y); | |
| ctx.save(); | |
| ctx.rotate(-Math.PI / 2); | |
| ctx.fillText(text,-y, x); | |
| ctx.restore(); | |
| // MISIEK END | |
| var secondColorEnabled = document.getElementById('secondColorCheckbox').checked; | |
| if (secondColorEnabled) { | |
| ctx.fillStyle = 'red'; | |
| ctx.fillText(text, x, y + 40); | |
| } | |
| } | |
| function buf2hex(buffer) { | |
| return [...new Uint8Array(buffer)] | |
| .map(x => x.toString(16).padStart(2, '0')) | |
| .join(''); | |
| } | |
| function getPixelData() { | |
| var compressionEnabled = document.getElementById('compressionCheckbox').checked; | |
| var secondColorEnabled = document.getElementById('secondColorCheckbox').checked; | |
| var mirrorEnabled = document.getElementById('mirrorCheckbox').checked; | |
| var canvas = document.getElementById('myCanvas'); | |
| var ctx = canvas.getContext('2d'); | |
| var imageData = ctx.getImageData(0, 0, canvas.width, canvas.height); | |
| if (mirrorEnabled) { | |
| var tempCanvas = document.createElement('canvas'); | |
| var tempCtx = tempCanvas.getContext('2d'); | |
| tempCanvas.width = canvas.width; | |
| tempCanvas.height = canvas.height; | |
| tempCtx.translate(canvas.width, 0); | |
| tempCtx.scale(-1, 1); | |
| tempCtx.drawImage(canvas, 0, 0, canvas.width, canvas.height); | |
| imageData = tempCtx.getImageData(0, 0, canvas.width, canvas.height); | |
| } | |
| var pixels = imageData.data; | |
| var byteData = []; | |
| var byteDataRed = []; | |
| var currentByte = 0; | |
| var currentByteRed = 0; | |
| var bitPosition = 7; | |
| for (var i = 0; i < canvas.width; i++) { | |
| for (var x = 0; x < canvas.height; x++) { | |
| var curr = ((i * canvas.height) + x) * 4; | |
| var r = pixels[curr]; | |
| var g = pixels[curr + 1]; | |
| var b = pixels[curr + 2]; | |
| var luminance = 0.2126 * r + 0.7152 * g + 0.0722 * b; | |
| if (luminance > 128) { | |
| currentByte |= (1 << bitPosition); | |
| } | |
| if (r < 170) { | |
| currentByteRed |= (1 << bitPosition); | |
| } | |
| bitPosition--; | |
| if (bitPosition < 0) { | |
| byteData.push(currentByte); | |
| byteDataRed.push(currentByteRed); | |
| currentByte = 0; | |
| currentByteRed = 0; | |
| bitPosition = 7; | |
| } | |
| } | |
| } | |
| if (bitPosition !== 7) { | |
| byteData.push(currentByte); | |
| byteDataRed.push(currentByteRed); | |
| } | |
| var byteDataCompressed = []; | |
| var pixelDataTextarea = document.getElementById('pixelData'); | |
| if (compressionEnabled) { | |
| var currentPosi = 0; | |
| var byte_per_line = canvas.height / 8; | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| for (var i = 0; i < canvas.width; i += 1) { | |
| byteDataCompressed.push(0x75); | |
| byteDataCompressed.push(byte_per_line + 7); | |
| byteDataCompressed.push(byte_per_line); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| for (var b = 0; b < byte_per_line; b++) { | |
| byteDataCompressed.push(byteData[currentPosi++]); | |
| } | |
| } | |
| if (secondColorEnabled) { | |
| for (var i = 0; i < canvas.width; i += 1) { | |
| byteDataCompressed.push(0x75); | |
| byteDataCompressed.push(byte_per_line + 7); | |
| byteDataCompressed.push(byte_per_line); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| byteDataCompressed.push(0x00); | |
| for (var b = 0; b < byte_per_line; b++) { | |
| byteDataCompressed.push(byteData[currentPosi++]); | |
| } | |
| } | |
| } | |
| byteDataCompressed[0] = byteDataCompressed.length & 0xff; | |
| byteDataCompressed[1] = (byteDataCompressed.length >> 8) & 0xff; | |
| byteDataCompressed[2] = (byteDataCompressed.length >> 16) & 0xff; | |
| byteDataCompressed[3] = (byteDataCompressed.length >> 24) & 0xff; | |
| } else { | |
| for (var b = 0; b < byteData.length; b++) { | |
| byteDataCompressed.push(byteData[b]); | |
| } | |
| if (secondColorEnabled) { | |
| for (var b = 0; b < byteDataRed.length; b++) { | |
| byteDataCompressed.push(byteDataRed[b]); | |
| } | |
| } | |
| } | |
| pixelDataTextarea.value = buf2hex(byteDataCompressed); | |
| } | |
| function doAll() { | |
| createCanvas(); | |
| addText(); | |
| getPixelData(); | |
| } | |
| function updateParameters() { | |
| var select = document.getElementById("optionsSelect"); | |
| var selectedValue = select.options[select.selectedIndex].value; | |
| document.getElementById("rawTypeInput").value = selectedValue; | |
| decodeTypes(Number("0x" + selectedValue)); | |
| } | |
| function decodeRaw() { | |
| var rawTypeIn = document.getElementById("rawTypeInput").value; | |
| decodeTypes(Number("0x" + rawTypeIn)); | |
| } | |
| function decodeTypes(rawType) { | |
| var screenResolution = (rawType >> 5) & 63; | |
| var dispPtype = (rawType >> 3) & 3; | |
| var availColors = ((rawType >> 1) & 3) + ((rawType >> 10) & 12); | |
| var singleDoubleMirror = rawType & 1; | |
| var canDoCompression = (rawType & 0x4000) ? 0 : 1; | |
| console.log("Display Resolution: " + screenResolution); | |
| console.log("Display Type: " + dispPtype); | |
| console.log("Display Colors: " + availColors); | |
| console.log("Display Mirror: " + singleDoubleMirror); | |
| console.log("Display Compression: " + canDoCompression); | |
| if (canDoCompression) | |
| document.getElementById('compressionCheckbox').checked = true; | |
| else | |
| document.getElementById('compressionCheckbox').checked = false; | |
| switch (screenResolution) { | |
| case 0: | |
| document.getElementById('widthInput').value = "104"; | |
| document.getElementById('heightInput').value = "212"; | |
| break; | |
| case 1: | |
| document.getElementById('widthInput').value = "128"; | |
| document.getElementById('heightInput').value = "296"; | |
| break; | |
| case 2: | |
| document.getElementById('widthInput').value = "400"; | |
| document.getElementById('heightInput').value = "300"; | |
| break; | |
| case 3: | |
| document.getElementById('widthInput').value = "384"; | |
| document.getElementById('heightInput').value = "640"; | |
| break; | |
| case 4: | |
| document.getElementById('widthInput').value = "640"; | |
| document.getElementById('heightInput').value = "960"; | |
| break; | |
| case 5: | |
| document.getElementById('widthInput').value = "132"; | |
| document.getElementById('heightInput').value = "250"; | |
| break; | |
| case 6: | |
| document.getElementById('widthInput').value = "96"; | |
| document.getElementById('heightInput').value = "196"; | |
| break; | |
| case 7: | |
| document.getElementById('widthInput').value = "480"; | |
| document.getElementById('heightInput').value = "640"; | |
| break; | |
| case 8: | |
| document.getElementById('widthInput').value = "128"; | |
| document.getElementById('heightInput').value = "250"; | |
| break; | |
| case 9: | |
| document.getElementById('widthInput').value = "480"; | |
| document.getElementById('heightInput').value = "800"; | |
| break; | |
| case 10: | |
| document.getElementById('widthInput').value = "480"; | |
| document.getElementById('heightInput').value = "280"; | |
| break; | |
| } | |
| switch (dispPtype) { | |
| case 0:// TFT | |
| document.getElementById('mirrorCheckbox').checked = true; | |
| break; | |
| case 1:// EPA | |
| document.getElementById('mirrorCheckbox').checked = true; | |
| break; | |
| case 2:// EPA1 | |
| document.getElementById('mirrorCheckbox').checked = false; | |
| break; | |
| case 3:// EPA2 | |
| document.getElementById('mirrorCheckbox').checked = true; | |
| break; | |
| } | |
| switch (availColors) { | |
| case 0:// BW | |
| document.getElementById('secondColorCheckbox').checked = false; | |
| break; | |
| case 1:// BWR | |
| document.getElementById('secondColorCheckbox').checked = true; | |
| break; | |
| case 2:// BWY | |
| document.getElementById('secondColorCheckbox').checked = true; | |
| break; | |
| case 3:// BWRY | |
| document.getElementById('secondColorCheckbox').checked = true; | |
| break; | |
| case 4:// BWRGBYO | |
| document.getElementById('secondColorCheckbox').checked = true; | |
| break; | |
| } | |
| switch (singleDoubleMirror) { | |
| case 0:// Single image | |
| break; | |
| case 1:// 2 Images | |
| break; | |
| } | |
| doAll(); | |
| } | |
| </script> | |
| <script> | |
| let bleDevice; | |
| let gattServer; | |
| let Theservice; | |
| let writeCharacteristic; | |
| let writeCharacteristicImg; | |
| let reconnectTrys = 0; | |
| let imgArray = ""; | |
| let imgArrayLen = 0; | |
| let uploadPart = 0; | |
| function resetVariables() { | |
| gattServer = null; | |
| Theservice = null; | |
| writeCharacteristic = null; | |
| writeCharacteristicImg = null; | |
| document.getElementById("log").value = ''; | |
| imgArray = ""; | |
| imgArrayLen = 0; | |
| uploadPart = 0; | |
| } | |
| function handleError(error) { | |
| console.log(error); | |
| resetVariables(); | |
| if (bleDevice == null) | |
| return; | |
| if (reconnectTrys <= 5) { | |
| reconnectTrys++; | |
| connect(); | |
| } | |
| else { | |
| addLog("Was not able to connect, aborting"); | |
| reconnectTrys = 0; | |
| } | |
| } | |
| function delayPromise(delay) { | |
| return new Promise(resolve => { | |
| setTimeout(resolve, delay); | |
| }); | |
| } | |
| async function sendCommandImg(cmd) { | |
| if (writeCharacteristicImg) { | |
| await writeCharacteristicImg.writeValue(cmd) | |
| .catch(() => { | |
| addLog("DOMException: GATT operation already in progress.") | |
| return Promise.resolve() | |
| .then(() => this.delayPromise(500)) | |
| .then(() => { writeCharacteristicImg.writeValue(cmd); }); | |
| }); | |
| } | |
| } | |
| async function sendCommand(cmd) { | |
| if (writeCharacteristic) { | |
| await writeCharacteristic.writeValue(cmd) | |
| .catch(() => { | |
| addLog("DOMException: GATT operation already in progress.") | |
| return Promise.resolve() | |
| .then(() => this.delayPromise(500)) | |
| .then(() => { writeCharacteristic.writeValue(cmd); }); | |
| }); | |
| } | |
| } | |
| async function sendcmd(cmdTXT) { | |
| let cmd = hexToBytes(cmdTXT); | |
| addLog('Send CMD: ' + cmdTXT); | |
| await sendCommand(cmd); | |
| } | |
| function sendimg(cmdIMG) { | |
| imgArray = cmdIMG.replace(/(?:\r\n|\r|\n|,|0x| )/g, ''); | |
| imgArrayLen = imgArray.length; | |
| uploadPart = 0; | |
| console.log('Sending image ' + imgArrayLen / 2); | |
| sendcmd("01"); | |
| } | |
| function img_state_handle(data) { | |
| switch (data.substring(0, 2)) { | |
| case "01": | |
| if (data == "01f400") | |
| sendcmd("02" + intToHex(imgArrayLen / 2) + "000000"); | |
| else | |
| addLog("Please reconnect to send a new Image"); | |
| break; | |
| case "02": | |
| addLog("Sending now stage 3"); | |
| sendcmd("03"); | |
| break; | |
| case "05": | |
| if (data.substring(2, 4) == "08") { | |
| addLog("Image upload done, refreshing and reconecting now"); | |
| if (gattServer != null && gattServer.connected) { | |
| if (bleDevice != null && bleDevice.gatt.connected) | |
| bleDevice.gatt.disconnect(); | |
| } | |
| setTimeout(function () { reConnect(); }, 5000); | |
| } | |
| else if (data.substring(2, 4) != "00") { | |
| addLog("Something wrong in the upload flow, aborting!!!"); | |
| } | |
| else { | |
| sendIMGpart(data.substring(4, 12)); | |
| } | |
| break; | |
| } | |
| } | |
| var oldPart = ""; | |
| function sendIMGpart(partAcked) { | |
| if (imgArray.length > 0) { | |
| let currentpart = oldPart; | |
| console.log("PartACK: " + partAcked + " PartUpload: " + intToHex(uploadPart)); | |
| if (partAcked == intToHex(uploadPart)) { | |
| currentpart = intToHex(uploadPart) + imgArray.substring(0, 480); | |
| oldPart = currentpart; | |
| imgArray = imgArray.substring(480); | |
| setStatus('Current part: ' + uploadPart); | |
| uploadPart++; | |
| } else { | |
| addLog("Resending last part because of error"); | |
| } | |
| console.log('Curr Part: ' + currentpart); | |
| sendCommandImg(hexToBytes(currentpart)); | |
| } | |
| else { | |
| addLog("Img upload done"); | |
| } | |
| } | |
| function disconnect() { | |
| resetVariables(); | |
| addLog('Disconnected.'); | |
| document.getElementById("connectbutton").innerHTML = 'Connect'; | |
| } | |
| function handleNotify(data) { | |
| addLog("Got bytes: " + bytesToHex(data.buffer)); | |
| setTimeout(function () { img_state_handle(bytesToHex(data.buffer)); }, 50); | |
| } | |
| function preConnect() { | |
| if (gattServer != null && gattServer.connected) { | |
| if (bleDevice != null && bleDevice.gatt.connected) | |
| bleDevice.gatt.disconnect(); | |
| } | |
| else { | |
| connectTrys = 0; | |
| navigator.bluetooth.requestDevice({ optionalServices: [0xFEF0], acceptAllDevices: true }).then(device => { | |
| device.addEventListener('gattserverdisconnected', disconnect); | |
| bleDevice = device; | |
| connect(); | |
| }).catch(handleError); | |
| } | |
| } | |
| function reConnect() { | |
| connectTrys = 0; | |
| if (bleDevice != null && bleDevice.gatt.connected) | |
| bleDevice.gatt.disconnect(); | |
| resetVariables(); | |
| addLog("Reconnect"); | |
| setTimeout(function () { connect(); }, 300); | |
| } | |
| function connect() { | |
| if (writeCharacteristic == null) { | |
| addLog("Connecting to: " + bleDevice.name); | |
| bleDevice.gatt.connect().then(server => { | |
| console.log('> Found GATT server'); | |
| gattServer = server; | |
| return gattServer.getPrimaryService(0xFEF0); | |
| }).then(service => { | |
| console.log('> Found service'); | |
| Theservice = service; | |
| return Theservice.getCharacteristic(0xFEF2); | |
| }).then(characteristic => { | |
| addLog('> Found write characteristicImg'); | |
| writeCharacteristicImg = characteristic; | |
| return Theservice.getCharacteristic(0xFEF1); | |
| }).then(characteristic => { | |
| addLog('> Found write characteristic'); | |
| document.getElementById("connectbutton").innerHTML = 'Disconnected'; | |
| writeCharacteristic = characteristic; | |
| return writeCharacteristic.startNotifications().then(() => { | |
| writeCharacteristic.addEventListener('characteristicvaluechanged', event => { | |
| var value = event.target.value; | |
| handleNotify(value); | |
| }); | |
| }); | |
| }).catch(handleError); | |
| } | |
| } | |
| function setStatus(statusText) { | |
| document.getElementById("status").innerHTML = statusText; | |
| } | |
| function addLog(logTXT) { | |
| var today = new Date(); | |
| var time = ("0" + today.getHours()).slice(-2) + ":" + ("0" + today.getMinutes()).slice(-2) + ":" + ("0" + today.getSeconds()).slice(-2) + " : "; | |
| document.getElementById("log").innerHTML += time + logTXT + '<br>'; | |
| console.log(time + logTXT); | |
| while ((document.getElementById("log").innerHTML.match(/<br>/g) || []).length > 10) { | |
| var logs_br_position = document.getElementById("log").innerHTML.search("<br>"); | |
| document.getElementById("log").innerHTML = document.getElementById("log").innerHTML.substring(logs_br_position + 4); | |
| } | |
| } | |
| function hexToBytes(hex) { | |
| for (var bytes = [], c = 0; c < hex.length; c += 2) | |
| bytes.push(parseInt(hex.substr(c, 2), 16)); | |
| return new Uint8Array(bytes); | |
| } | |
| function bytesToHex(data) { | |
| return new Uint8Array(data).reduce( | |
| function (memo, i) { | |
| return memo + ("0" + i.toString(16)).slice(-2); | |
| }, ""); | |
| } | |
| function intToHex(intIn) { | |
| var stringOut = ""; | |
| stringOut = ("00000000" + intIn.toString(16)).substr(-8) | |
| return stringOut.substring(6, 8) + stringOut.substring(4, 6) + stringOut.substring(2, 4) + stringOut.substring(0, 2); | |
| } | |
| </script> | |
| </body></html> |
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