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