16 lines
323 B
JavaScript
16 lines
323 B
JavaScript
"use strict";
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/**
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* Calculates the buffers LRC.
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*
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* @param {Buffer} buffer the data buffer.
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* @return {number} the calculated LRC.
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*/
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module.exports = function lrc(buffer) {
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var lrc = 0;
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for (var i = 0; i < buffer.length; i++) {
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lrc += buffer[i] & 0xFF;
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}
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return ((lrc ^ 0xFF) + 1) & 0xFF;
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};
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