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send epd config on connect

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This commit is contained in:
Shuanglei Tao
2024-11-14 22:55:51 +08:00
parent 18db97f5be
commit 32eb020b62
4 changed files with 62 additions and 55 deletions
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94
html/js/main.js
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@@ -1,7 +1,7 @@
let bleDevice;
let gattServer;
let Theservice;
let writeCharacteristic;
let epdService;
let epdCharacteristic;
let reconnectTrys = 0;
let canvas;
@@ -10,29 +10,29 @@ let chunkSize = 38;
function resetVariables() {
gattServer = null;
Theservice = null;
writeCharacteristic = null;
epdService = null;
epdCharacteristic = null;
document.getElementById("log").value = '';
}
function handleError(error) {
async function handleError(error) {
console.log(error);
resetVariables();
if (bleDevice == null)
return;
if (reconnectTrys <= 5) {
reconnectTrys++;
connect();
await connect();
}
else {
addLog("Was not able to connect, aborting");
addLog("连接失败！");
reconnectTrys = 0;
}
}
async function sendCommand(cmd) {
if (writeCharacteristic) {
await writeCharacteristic.writeValue(cmd);
if (epdCharacteristic) {
await epdCharacteristic.writeValue(cmd);
} else {
addLog("服务不可用，请检查蓝牙连接");
}
@@ -40,7 +40,7 @@ async function sendCommand(cmd) {
async function sendcmd(cmdTXT) {
let cmd = hexToBytes(cmdTXT);
addLog('Send CMD: ' + cmdTXT);
addLog(`发送命令: ${cmdTXT}`);
await sendCommand(cmd);
}
@@ -67,10 +67,9 @@ async function sendIMGArray(imgArray, type = 'bw'){
for (let i = 0; i < imgArray.length; i += chunkSize) {
let currentTime = (new Date().getTime() - startTime) / 1000.0;
let chunk = imgArray.substring(i, i + chunkSize);
setStatus('正在发送' + (type === 'bwr' ? "红色" : '黑白') + '块: '
+ (chunkIdx+1) + "/" + (count+1) + ", 用时: " + currentTime + "s");
addLog('Sending chunk: ' + chunk);
await sendCommand(hexToBytes("04" + chunk))
setStatus(`发送${type === 'bwr' ? "红色" : '黑白'}块: ${chunkIdx+1}/${count+1}, 用时: ${currentTime}s`);
addLog(`发送块: ${chunk}`);
await sendCommand(hexToBytes(`04${chunk}`))
chunkIdx++;
}
}
@@ -93,8 +92,8 @@ async function sendimg(cmdIMG) {
await sendcmd("05");
let sendTime = (new Date().getTime() - startTime) / 1000.0;
addLog("Done! Time used: " + sendTime + "s");
setStatus("发送完成！耗时: " + sendTime + "s");
addLog(`发送完成！耗时: ${sendTime}s`);
setStatus(`发送完成！耗时: ${sendTime}s`);
await sendcmd("06");
}
@@ -110,55 +109,62 @@ function updateButtonStatus() {
function disconnect() {
resetVariables();
addLog('Disconnected.');
addLog('已断开连接.');
document.getElementById("connectbutton").innerHTML = '连接';
updateButtonStatus();
}
function preConnect() {
async function preConnect() {
if (gattServer != null && gattServer.connected) {
if (bleDevice != null && bleDevice.gatt.connected)
bleDevice.gatt.disconnect();
}
else {
connectTrys = 0;
navigator.bluetooth.requestDevice({
bleDevice = await navigator.bluetooth.requestDevice({
optionalServices: ['62750001-d828-918d-fb46-b6c11c675aec'],
acceptAllDevices: true
}).then(device => {
device.addEventListener('gattserverdisconnected', disconnect);
bleDevice = device;
connect();
}).catch(handleError);
});
await bleDevice.addEventListener('gattserverdisconnected', disconnect);
try {
await connect();
} catch (e) {
await handleError(e);
}
}
}
function reConnect() {
async function reConnect() {
connectTrys = 0;
if (bleDevice != null && bleDevice.gatt.connected)
bleDevice.gatt.disconnect();
resetVariables();
addLog("Reconnect");
setTimeout(function () { connect(); }, 300);
addLog("正在重连");
setTimeout(async function () { await connect(); }, 300);
}
function connect() {
if (writeCharacteristic == null) {
addLog("Connecting to: " + bleDevice.name);
bleDevice.gatt.connect().then(server => {
addLog('> Found GATT Server');
gattServer = server;
return gattServer.getPrimaryService('62750001-d828-918d-fb46-b6c11c675aec');
}).then(service => {
addLog('> Found Service');
Theservice = service;
return Theservice.getCharacteristic('62750002-d828-918d-fb46-b6c11c675aec');
}).then(characteristic => {
addLog('> Found Characteristic');
document.getElementById("connectbutton").innerHTML = '断开';
updateButtonStatus();
writeCharacteristic = characteristic;
}).catch(handleError);
async function connect() {
if (epdCharacteristic == null) {
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');
await epdCharacteristic.startNotifications();
epdCharacteristic.addEventListener('characteristicvaluechanged', (event) => {
addLog(`> 收到配置：${bytesToHex(event.target.value.buffer.slice(0,8))}`);
document.getElementById("epdpins").value = bytesToHex(event.target.value.buffer.slice(0, 7));
document.getElementById("epddriver").value = bytesToHex(event.target.value.buffer.slice(7, 8));
});
document.getElementById("connectbutton").innerHTML = '断开';
updateButtonStatus();
}
}