68 lines
2.3 KiB
JavaScript
68 lines
2.3 KiB
JavaScript
let port;
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let reader;
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const decoder = new TextDecoder("utf-8");
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let readibleoutput = 0;
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// Request a port and open a connection.
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async function connect() {
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//vraag aan de browser om een serial port te selecteren
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port = await navigator.serial.requestPort();
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await port.open({ baudRate: 9600 });
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reader = port.readable.getReader();
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console.log("Port is open!");
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readLoop()
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}
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// Read data from serial port
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async function readLoop() {
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let buffer = [];
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// loop until reader.cancel() is called
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while (true) {
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// Wait for data
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const { value, done } = await reader.read();
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for (let iByte = 0; iByte < value.length; iByte++) {
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let singleByte = value[iByte];
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//functie maken er van met boolean!!!
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if (singleByte != 10) {
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buffer.push(singleByte);
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}
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else {
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let sensorString = decoder.decode(new Uint8Array(buffer));
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//Put all data in a json Array and parse it to a boolean array
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try {
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// Parse the incoming data as JSON
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// "replace(/'/g, '\"')" replaces all single quotes with double quotes with use of regular expressions. So we can use Jsonparse to parse it into a booleanArray
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let SerialArray = JSON.parse(sensorString.replace(/'/g, '"'));
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// Ensure SerialArray is an array
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if (Array.isArray(SerialArray)) {
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//Convert the array of strings to a boolean array
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//When a bit is 1 it becomes true, when a bit is 0 it becomes false
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let booleanArray = SerialArray.map(bit => bit == '1');
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console.log(booleanArray);
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} else {
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console.error("Dit is geen Array");
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}
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} catch (e) {
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console.log("json niet geparserd");
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}
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buffer = [];
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}
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if (done) {
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console.log('[readLoop] DONE', done);
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reader.releaseLock();
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break;
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}
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}
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}
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}
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// Sluit de poort
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async function disconnect() {
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await reader.cancel();
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await port.close();
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console.log("Port is closed!");
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} |