34 lines
825 B
JavaScript
34 lines
825 B
JavaScript
function onData(data, recvLen) {
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console.log(`Data: ${data} ${recvLen}`);
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log.Trace("onData: %v %v", data, recvLen);
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}
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function onError(err) {
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console.log(`Error: ${err} `);
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}
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function onClosed(data, err) {
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console.log(`Closed: ${data} ${err} `);
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}
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function onConnected(option) {
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console.log("onConnected", option);
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}
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// Convert a hex string to a byte array
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function hexToBytes(hex) {
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for (var bytes = [], c = 0; c < hex.length; c += 2) {
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bytes.push(parseInt(hex.substr(c, 2), 16));
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}
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return bytes;
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}
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// Convert a byte array to a hex string
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function bytesToHex(bytes) {
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for (var hex = [], i = 0; i < bytes.length; i++) {
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var current = bytes[i] < 0 ? bytes[i] + 256 : bytes[i];
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hex.push((current >>> 4).toString(16));
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hex.push((current & 0xf).toString(16));
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}
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return hex.join("");
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}
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