mirror of
https://github.com/tsl0922/EPD-nRF5.git
synced 2025-12-06 15:42:48 +08:00
518 lines
17 KiB
JavaScript
518 lines
17 KiB
JavaScript
let bleDevice, gattServer;
|
||
let epdService, epdCharacteristic;
|
||
let startTime, msgIndex, appVersion;
|
||
let canvas, ctx, textDecoder;
|
||
|
||
const EpdCmd = {
|
||
SET_PINS: 0x00,
|
||
INIT: 0x01,
|
||
CLEAR: 0x02,
|
||
SEND_CMD: 0x03,
|
||
SEND_DATA: 0x04,
|
||
REFRESH: 0x05,
|
||
SLEEP: 0x06,
|
||
|
||
SET_TIME: 0x20,
|
||
|
||
WRITE_IMG: 0x30, // v1.6
|
||
|
||
SET_CONFIG: 0x90,
|
||
SYS_RESET: 0x91,
|
||
SYS_SLEEP: 0x92,
|
||
CFG_ERASE: 0x99,
|
||
};
|
||
|
||
const canvasSizes = [
|
||
{ name: '1.54_152_152', width: 152, height: 152 },
|
||
{ name: '1.54_200_200', width: 200, height: 200 },
|
||
{ name: '2.13_212_104', width: 212, height: 104 },
|
||
{ name: '2.13_250_122', width: 250, height: 122 },
|
||
{ name: '2.66_296_152', width: 296, height: 152 },
|
||
{ name: '2.9_296_128', width: 296, height: 128 },
|
||
{ name: '2.9_384_168', width: 384, height: 168 },
|
||
{ name: '3.5_384_184', width: 384, height: 184 },
|
||
{ name: '3.7_416_240', width: 416, height: 240 },
|
||
{ name: '3.97_800_480', width: 800, height: 480 },
|
||
{ name: '4.2_400_300', width: 400, height: 300 },
|
||
{ name: '5.79_792_272', width: 792, height: 272 },
|
||
{ name: '7.5_800_480', width: 800, height: 480 },
|
||
{ name: '10.2_960_640', width: 960, height: 640 },
|
||
{ name: '10.85_1360_480', width: 1360, height: 480 },
|
||
{ name: '11.6_960_640', width: 960, height: 640 },
|
||
{ name: '4E_600_400', width: 600, height: 400 },
|
||
{ name: '7.3E6', width: 480, height: 800 }
|
||
];
|
||
|
||
function hex2bytes(hex) {
|
||
for (var bytes = [], c = 0; c < hex.length; c += 2)
|
||
bytes.push(parseInt(hex.substr(c, 2), 16));
|
||
return new Uint8Array(bytes);
|
||
}
|
||
|
||
function bytes2hex(data) {
|
||
return new Uint8Array(data).reduce(
|
||
function (memo, i) {
|
||
return memo + ("0" + i.toString(16)).slice(-2);
|
||
}, "");
|
||
}
|
||
|
||
function intToHex(intIn) {
|
||
let stringOut = ("0000" + intIn.toString(16)).substr(-4)
|
||
return stringOut.substring(2, 4) + stringOut.substring(0, 2);
|
||
}
|
||
|
||
function resetVariables() {
|
||
gattServer = null;
|
||
epdService = null;
|
||
epdCharacteristic = null;
|
||
msgIndex = 0;
|
||
document.getElementById("log").value = '';
|
||
}
|
||
|
||
async function write(cmd, data, withResponse = true) {
|
||
if (!epdCharacteristic) {
|
||
addLog("服务不可用，请检查蓝牙连接");
|
||
return false;
|
||
}
|
||
let payload = [cmd];
|
||
if (data) {
|
||
if (typeof data == 'string') data = hex2bytes(data);
|
||
if (data instanceof Uint8Array) data = Array.from(data);
|
||
payload.push(...data)
|
||
}
|
||
addLog(bytes2hex(payload), '⇑');
|
||
try {
|
||
if (withResponse)
|
||
await epdCharacteristic.writeValueWithResponse(Uint8Array.from(payload));
|
||
else
|
||
await epdCharacteristic.writeValueWithoutResponse(Uint8Array.from(payload));
|
||
} catch (e) {
|
||
console.error(e);
|
||
if (e.message) addLog("write: " + e.message);
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
async function writeImage(data, step = 'bw') {
|
||
const chunkSize = document.getElementById('mtusize').value - 2;
|
||
const interleavedCount = document.getElementById('interleavedcount').value;
|
||
const count = Math.round(data.length / chunkSize);
|
||
let chunkIdx = 0;
|
||
let noReplyCount = interleavedCount;
|
||
|
||
for (let i = 0; i < data.length; i += chunkSize) {
|
||
let currentTime = (new Date().getTime() - startTime) / 1000.0;
|
||
setStatus(`${step == 'bw' ? '黑白' : '颜色'}块: ${chunkIdx + 1}/${count + 1}, 总用时: ${currentTime}s`);
|
||
const payload = [
|
||
(step == 'bw' ? 0x0F : 0x00) | (i == 0 ? 0x00 : 0xF0),
|
||
...data.slice(i, i + chunkSize),
|
||
];
|
||
if (noReplyCount > 0) {
|
||
await write(EpdCmd.WRITE_IMG, payload, false);
|
||
noReplyCount--;
|
||
} else {
|
||
await write(EpdCmd.WRITE_IMG, payload, true);
|
||
noReplyCount = interleavedCount;
|
||
}
|
||
chunkIdx++;
|
||
}
|
||
}
|
||
|
||
async function setDriver() {
|
||
await write(EpdCmd.SET_PINS, document.getElementById("epdpins").value);
|
||
await write(EpdCmd.INIT, document.getElementById("epddriver").value);
|
||
}
|
||
|
||
async function syncTime(mode) {
|
||
const timestamp = new Date().getTime() / 1000;
|
||
const data = new Uint8Array([
|
||
(timestamp >> 24) & 0xFF,
|
||
(timestamp >> 16) & 0xFF,
|
||
(timestamp >> 8) & 0xFF,
|
||
timestamp & 0xFF,
|
||
-(new Date().getTimezoneOffset() / 60),
|
||
mode
|
||
]);
|
||
if (await write(EpdCmd.SET_TIME, data)) {
|
||
addLog("时间已同步！");
|
||
addLog("屏幕刷新完成前请不要操作。");
|
||
}
|
||
}
|
||
|
||
async function clearScreen() {
|
||
if (confirm('确认清除屏幕内容?')) {
|
||
await write(EpdCmd.CLEAR);
|
||
addLog("清屏指令已发送！");
|
||
addLog("屏幕刷新完成前请不要操作。");
|
||
}
|
||
}
|
||
|
||
async function sendcmd() {
|
||
const cmdTXT = document.getElementById('cmdTXT').value;
|
||
if (cmdTXT == '') return;
|
||
const bytes = hex2bytes(cmdTXT);
|
||
await write(bytes[0], bytes.length > 1 ? bytes.slice(1) : null);
|
||
}
|
||
|
||
async function sendimg() {
|
||
const canvasSize = document.getElementById('canvasSize').value;
|
||
const ditherMode = document.getElementById('ditherMode').value;
|
||
const epdDriverSelect = document.getElementById('epddriver');
|
||
const selectedOption = epdDriverSelect.options[epdDriverSelect.selectedIndex];
|
||
|
||
if (selectedOption.getAttribute('data-size') !== canvasSize) {
|
||
addLog(`画布尺寸和驱动不匹配，请重新选择。`);
|
||
return;
|
||
}
|
||
if (selectedOption.getAttribute('data-color') !== ditherMode) {
|
||
addLog(`颜色模式和驱动不匹配，请重新选择。`);
|
||
return;
|
||
}
|
||
|
||
startTime = new Date().getTime();
|
||
const status = document.getElementById("status");
|
||
status.parentElement.style.display = "block";
|
||
|
||
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
|
||
const processedData = processImageData(imageData);
|
||
|
||
updateButtonStatus(true);
|
||
|
||
if (ditherMode === 'fourColor') {
|
||
await writeImage(processedData, 'color');
|
||
} else if (ditherMode === 'threeColor') {
|
||
const halfLength = Math.floor(processedData.length / 2);
|
||
await writeImage(processedData.slice(0, halfLength), 'bw');
|
||
await writeImage(processedData.slice(halfLength), 'red');
|
||
} else if (ditherMode === 'blackWhiteColor') {
|
||
await writeImage(processedData, 'bw');
|
||
} else {
|
||
addLog("当前固件不支持此颜色模式。");
|
||
updateButtonStatus();
|
||
return;
|
||
}
|
||
|
||
await write(EpdCmd.REFRESH);
|
||
updateButtonStatus();
|
||
|
||
const sendTime = (new Date().getTime() - startTime) / 1000.0;
|
||
addLog(`发送完成！耗时: ${sendTime}s`);
|
||
setStatus(`发送完成！耗时: ${sendTime}s`);
|
||
addLog("屏幕刷新完成前请不要操作。");
|
||
setTimeout(() => {
|
||
status.parentElement.style.display = "none";
|
||
}, 5000);
|
||
}
|
||
|
||
function downloadDataArray() {
|
||
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
|
||
const processedData = processImageData(imageData);
|
||
const mode = document.getElementById('ditherMode').value;
|
||
|
||
if (mode === 'sixColor' && processedData.length !== canvas.width * canvas.height) {
|
||
console.log(`错误：预期${canvas.width * canvas.height}字节，但得到${processedData.length}字节`);
|
||
addLog('数组大小不匹配。请检查图像尺寸和模式。');
|
||
return;
|
||
}
|
||
|
||
const dataLines = [];
|
||
for (let i = 0; i < processedData.length; i++) {
|
||
const hexValue = (processedData[i] & 0xff).toString(16).padStart(2, '0');
|
||
dataLines.push(`0x${hexValue}`);
|
||
}
|
||
|
||
const formattedData = [];
|
||
for (let i = 0; i < dataLines.length; i += 16) {
|
||
formattedData.push(dataLines.slice(i, i + 16).join(', '));
|
||
}
|
||
|
||
const colorModeValue = mode === 'sixColor' ? 0 : mode === 'fourColor' ? 1 : mode === 'blackWhiteColor' ? 2 : 3;
|
||
const arrayContent = [
|
||
'const uint8_t imageData[] PROGMEM = {',
|
||
formattedData.join(',\n'),
|
||
'};',
|
||
`const uint16_t imageWidth = ${canvas.width};`,
|
||
`const uint16_t imageHeight = ${canvas.height};`,
|
||
`const uint8_t colorMode = ${colorModeValue};`
|
||
].join('\n');
|
||
|
||
const blob = new Blob([arrayContent], { type: 'text/plain' });
|
||
const link = document.createElement('a');
|
||
link.download = 'imagedata.h';
|
||
link.href = URL.createObjectURL(blob);
|
||
link.click();
|
||
URL.revokeObjectURL(link.href);
|
||
}
|
||
|
||
function updateButtonStatus(forceDisabled = false) {
|
||
const connected = gattServer != null && gattServer.connected;
|
||
const status = forceDisabled ? 'disabled' : (connected ? null : 'disabled');
|
||
document.getElementById("reconnectbutton").disabled = (gattServer == null || gattServer.connected) ? 'disabled' : null;
|
||
document.getElementById("sendcmdbutton").disabled = status;
|
||
document.getElementById("calendarmodebutton").disabled = status;
|
||
document.getElementById("clockmodebutton").disabled = status;
|
||
document.getElementById("clearscreenbutton").disabled = status;
|
||
document.getElementById("sendimgbutton").disabled = status;
|
||
document.getElementById("setDriverbutton").disabled = status;
|
||
}
|
||
|
||
function disconnect() {
|
||
updateButtonStatus();
|
||
resetVariables();
|
||
addLog('已断开连接.');
|
||
document.getElementById("connectbutton").innerHTML = '连接';
|
||
}
|
||
|
||
async function preConnect() {
|
||
if (gattServer != null && gattServer.connected) {
|
||
if (bleDevice != null && bleDevice.gatt.connected) {
|
||
bleDevice.gatt.disconnect();
|
||
}
|
||
}
|
||
else {
|
||
resetVariables();
|
||
try {
|
||
bleDevice = await navigator.bluetooth.requestDevice({
|
||
optionalServices: ['62750001-d828-918d-fb46-b6c11c675aec'],
|
||
acceptAllDevices: true
|
||
});
|
||
} catch (e) {
|
||
console.error(e);
|
||
if (e.message) addLog("requestDevice: " + e.message);
|
||
addLog("请检查蓝牙是否已开启，且使用的浏览器支持蓝牙！建议使用以下浏览器：");
|
||
addLog("• 电脑: Chrome/Edge");
|
||
addLog("• Android: Chrome/Edge");
|
||
addLog("• iOS: Bluefy 浏览器");
|
||
return;
|
||
}
|
||
|
||
await bleDevice.addEventListener('gattserverdisconnected', disconnect);
|
||
setTimeout(async function () { await connect(); }, 300);
|
||
}
|
||
}
|
||
|
||
async function reConnect() {
|
||
if (bleDevice != null && bleDevice.gatt.connected)
|
||
bleDevice.gatt.disconnect();
|
||
resetVariables();
|
||
addLog("正在重连");
|
||
setTimeout(async function () { await connect(); }, 300);
|
||
}
|
||
|
||
function handleNotify(value, idx) {
|
||
const data = new Uint8Array(value.buffer, value.byteOffset, value.byteLength);
|
||
if (idx == 0) {
|
||
addLog(`收到配置：${bytes2hex(data)}`);
|
||
const epdpins = document.getElementById("epdpins");
|
||
const epddriver = document.getElementById("epddriver");
|
||
epdpins.value = bytes2hex(data.slice(0, 7));
|
||
if (data.length > 10) epdpins.value += bytes2hex(data.slice(10, 11));
|
||
epddriver.value = bytes2hex(data.slice(7, 8));
|
||
updateDitcherOptions();
|
||
} else {
|
||
if (textDecoder == null) textDecoder = new TextDecoder();
|
||
const msg = textDecoder.decode(data);
|
||
addLog(msg, '⇓');
|
||
if (msg.startsWith('mtu=') && msg.length > 4) {
|
||
const mtuSize = parseInt(msg.substring(4));
|
||
document.getElementById('mtusize').value = mtuSize;
|
||
addLog(`MTU 已更新为: ${mtuSize}`);
|
||
} else if (msg.startsWith('t=') && msg.length > 2) {
|
||
const t = parseInt(msg.substring(2)) + new Date().getTimezoneOffset() * 60;
|
||
addLog(`远端时间: ${new Date(t * 1000).toLocaleString()}`);
|
||
addLog(`本地时间: ${new Date().toLocaleString()}`);
|
||
}
|
||
}
|
||
}
|
||
|
||
async function connect() {
|
||
if (bleDevice == null || epdCharacteristic != null) return;
|
||
|
||
try {
|
||
addLog("正在连接: " + bleDevice.name);
|
||
gattServer = await bleDevice.gatt.connect();
|
||
addLog(' 找到 GATT Server');
|
||
epdService = await gattServer.getPrimaryService('62750001-d828-918d-fb46-b6c11c675aec');
|
||
addLog(' 找到 EPD Service');
|
||
epdCharacteristic = await epdService.getCharacteristic('62750002-d828-918d-fb46-b6c11c675aec');
|
||
addLog(' 找到 Characteristic');
|
||
} catch (e) {
|
||
console.error(e);
|
||
if (e.message) addLog("connect: " + e.message);
|
||
disconnect();
|
||
return;
|
||
}
|
||
|
||
try {
|
||
const versionCharacteristic = await epdService.getCharacteristic('62750003-d828-918d-fb46-b6c11c675aec');
|
||
const versionData = await versionCharacteristic.readValue();
|
||
appVersion = versionData.getUint8(0);
|
||
addLog(`固件版本: 0x${appVersion.toString(16)}`);
|
||
} catch (e) {
|
||
console.error(e);
|
||
appVersion = 0x15;
|
||
}
|
||
|
||
if (appVersion < 0x16) {
|
||
const oldURL = "https://tsl0922.github.io/EPD-nRF5/v1.5";
|
||
alert("!!!注意!!!\n当前固件版本过低，可能无法正常使用部分功能，建议升级到最新版本。");
|
||
if (confirm('是否访问旧版本上位机？')) location.href = oldURL;
|
||
setTimeout(() => {
|
||
addLog(`如遇到问题，可访问旧版本上位机: ${oldURL}`);
|
||
}, 500);
|
||
}
|
||
|
||
try {
|
||
await epdCharacteristic.startNotifications();
|
||
epdCharacteristic.addEventListener('characteristicvaluechanged', (event) => {
|
||
handleNotify(event.target.value, msgIndex++);
|
||
});
|
||
} catch (e) {
|
||
console.error(e);
|
||
if (e.message) addLog("startNotifications: " + e.message);
|
||
}
|
||
|
||
await write(EpdCmd.INIT);
|
||
|
||
document.getElementById("connectbutton").innerHTML = '断开';
|
||
updateButtonStatus();
|
||
}
|
||
|
||
function setStatus(statusText) {
|
||
document.getElementById("status").innerHTML = statusText;
|
||
}
|
||
|
||
function addLog(logTXT, action = '') {
|
||
const log = document.getElementById("log");
|
||
const now = new Date();
|
||
const time = String(now.getHours()).padStart(2, '0') + ":" +
|
||
String(now.getMinutes()).padStart(2, '0') + ":" +
|
||
String(now.getSeconds()).padStart(2, '0') + " ";
|
||
|
||
const logEntry = document.createElement('div');
|
||
const timeSpan = document.createElement('span');
|
||
timeSpan.className = 'time';
|
||
timeSpan.textContent = time;
|
||
logEntry.appendChild(timeSpan);
|
||
|
||
if (action !== '') {
|
||
const actionSpan = document.createElement('span');
|
||
actionSpan.className = 'action';
|
||
actionSpan.innerHTML = action;
|
||
logEntry.appendChild(actionSpan);
|
||
}
|
||
logEntry.appendChild(document.createTextNode(logTXT));
|
||
|
||
log.appendChild(logEntry);
|
||
log.scrollTop = log.scrollHeight;
|
||
|
||
while (log.childNodes.length > 20) {
|
||
log.removeChild(log.firstChild);
|
||
}
|
||
}
|
||
|
||
function clearLog() {
|
||
document.getElementById("log").innerHTML = '';
|
||
}
|
||
|
||
function updateCanvasSize() {
|
||
const selectedSizeName = document.getElementById('canvasSize').value;
|
||
const selectedSize = canvasSizes.find(size => size.name === selectedSizeName);
|
||
|
||
canvas.width = selectedSize.width;
|
||
canvas.height = selectedSize.height;
|
||
|
||
updateImage(false);
|
||
}
|
||
|
||
function updateDitcherOptions() {
|
||
const epdDriverSelect = document.getElementById('epddriver');
|
||
const selectedOption = epdDriverSelect.options[epdDriverSelect.selectedIndex];
|
||
const colorMode = selectedOption.getAttribute('data-color');
|
||
const canvasSize = selectedOption.getAttribute('data-size');
|
||
|
||
if (colorMode) document.getElementById('ditherMode').value = colorMode;
|
||
if (canvasSize) document.getElementById('canvasSize').value = canvasSize;
|
||
|
||
updateCanvasSize(); // always update image
|
||
}
|
||
|
||
function updateImage(clear = false) {
|
||
const image_file = document.getElementById('image_file');
|
||
if (image_file.files.length == 0) return;
|
||
|
||
if (clear) clearCanvas();
|
||
|
||
const file = image_file.files[0];
|
||
let image = new Image();;
|
||
image.src = URL.createObjectURL(file);
|
||
image.onload = function (event) {
|
||
URL.revokeObjectURL(this.src);
|
||
ctx.drawImage(image, 0, 0, image.width, image.height, 0, 0, canvas.width, canvas.height);
|
||
|
||
// Redraw text and lines
|
||
redrawTextElements();
|
||
redrawLineSegments();
|
||
|
||
convertDithering()
|
||
}
|
||
}
|
||
|
||
function clearCanvas() {
|
||
if (confirm('清除画布已有内容?')) {
|
||
ctx.fillStyle = 'white';
|
||
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
||
textElements = []; // Clear stored text positions
|
||
lineSegments = []; // Clear stored line segments
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
function convertDithering() {
|
||
const contrast = parseFloat(document.getElementById('contrast').value);
|
||
const currentImageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
|
||
const imageData = new ImageData(
|
||
new Uint8ClampedArray(currentImageData.data),
|
||
currentImageData.width,
|
||
currentImageData.height
|
||
);
|
||
|
||
adjustContrast(imageData, contrast);
|
||
|
||
const mode = document.getElementById('ditherMode').value;
|
||
const processedData = processImageData(ditherImage(imageData));
|
||
const finalImageData = decodeProcessedData(processedData, canvas.width, canvas.height, mode);
|
||
ctx.putImageData(finalImageData, 0, 0);
|
||
}
|
||
|
||
function checkDebugMode() {
|
||
const link = document.getElementById('debug-toggle');
|
||
const urlParams = new URLSearchParams(window.location.search);
|
||
const debugMode = urlParams.get('debug');
|
||
|
||
if (debugMode === 'true') {
|
||
document.body.classList.add('debug-mode');
|
||
link.innerHTML = '正常模式';
|
||
link.setAttribute('href', window.location.pathname);
|
||
addLog("注意：开发模式功能已开启！不懂请不要随意修改，否则后果自负！");
|
||
} else {
|
||
document.body.classList.remove('debug-mode');
|
||
link.innerHTML = '开发模式';
|
||
link.setAttribute('href', window.location.pathname + '?debug=true');
|
||
}
|
||
}
|
||
|
||
document.body.onload = () => {
|
||
textDecoder = null;
|
||
canvas = document.getElementById('canvas');
|
||
ctx = canvas.getContext("2d");
|
||
|
||
ctx.fillStyle = 'white';
|
||
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
||
|
||
initPaintTools();
|
||
updateButtonStatus();
|
||
checkDebugMode();
|
||
} |