bubble/avr128da48_web-serial-example
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refactored

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This commit is contained in:
Sergey Yarkov 2022-09-21 20:15:22 +03:00
parent 1f631cecd0
commit 24660ad531
2 changed files with 11 additions and 6 deletions
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16
web/app.js
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@ -11,7 +11,11 @@ class Application {
return; return;
} }
this.serialPortHandler = new SerialPortHandler({ baudRate: 9600 }); this.serialPortHandler = new SerialPortHandler(
{ baudRate: 9600 },
() => console.log('Device connected.'),
() => console.log('Device disconnected.')
);
/** /**
* DOM Elements * DOM Elements
@ -80,9 +84,8 @@ class Application {
this.$serialLog.innerHTML += data + '\n'; this.$serialLog.innerHTML += data + '\n';
await this.serialPortHandler.write(data + '\n'); await this.serialPortHandler.write(data + '\n');
const message = await this.serialPortHandler.read(); const message = await this.serialPortHandler.read();
this.$serialLog.textContent += message; this.$serialLog.textContent += message.replaceAll(EOT, '');
this.$serialLog.textContent += '\n'; console.log('Message received: \n' + message);
console.log(message);
} }
this.$serialLog.scrollTo(0, this.$serialLog.scrollHeight); this.$serialLog.scrollTo(0, this.$serialLog.scrollHeight);
} }
@ -130,13 +133,14 @@ class SerialPortHandler {
async read() { async read() {
const reader = this.port.readable.getReader(); const reader = this.port.readable.getReader();
let chunks = ''; let chunks = '';
while (true) { while (true) {
const { value, done } = await reader.read(); const { value, done } = await reader.read();
const decoded = this.decoder.decode(value); const decoded = this.decoder.decode(value);
chunks += decoded; chunks += decoded;
if (done || decoded.includes('\u0004')) { if (done || decoded.includes(EOT)) {
console.log('Reading done.'); console.log('Reading done.');
reader.releaseLock(); reader.releaseLock();
break; break;
@ -148,7 +152,7 @@ class SerialPortHandler {
#setupListeners() { #setupListeners() {
navigator.serial.addEventListener('connect', this.onConnect); navigator.serial.addEventListener('connect', this.onConnect);
navigator.serial.addEventListener('disconnect', this.onDisconnected); navigator.serial.addEventListener('disconnect', this.onDisconnect);
} }
} }

1
web/style.css
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@ -49,6 +49,7 @@ textarea {
textarea { textarea {
resize: vertical; resize: vertical;
min-height: 200px; min-height: 200px;
line-height: 1.4;
font-size: 16px; font-size: 16px;
outline: none; outline: none;
font-size: 12px; font-size: 12px;