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36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
document.getElementById('connect').addEventListener('click', async () => {
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// Feature detection
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if ('serial' in navigator) {
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try {
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// Request a port and open a connection
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const port = await navigator.serial.requestPort();
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await port.open({ baudRate: 115200 });
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// Create a text decoder to decode the bytes from the serial device
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const decoder = new TextDecoderStream();
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const inputDone = port.readable.pipeTo(decoder.writable);
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const inputStream = decoder.readable;
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// Read data from the serial device
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const reader = inputStream.getReader();
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const outputElement = document.getElementById('output');
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outputElement.textContent = '';
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while (true) {
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const { value, done } = await reader.read();
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if (done) {
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// Allow the serial port to be closed later.
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reader.releaseLock();
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break;
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}
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// Print the output to the webpage
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outputElement.textContent += value;
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}
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} catch (error) {
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console.error('There was an error:', error);
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}
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} else {
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console.log('Web Serial API not supported in this browser.');
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}
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});
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