code: function processImpedanceData (o) {
    const byteId = parseInt(o.rawDataPacket[0]);
    let channelNumber;
    switch (byteId) {
      case k.OBCIGanglionByteIdImpedanceChannel1:
        channelNumber = 1;
        break;
      case k.OBCIGanglionByteIdImpedanceChannel2:
        channelNumber = 2;
        break;
      case k.OBCIGanglionByteIdImpedanceChannel3:
        channelNumber = 3;
        break;
      case k.OBCIGanglionByteIdImpedanceChannel4:
        channelNumber = 4;
        break;
      case k.OBCIGanglionByteIdImpedanceChannelReference:
        channelNumber = 0;
        break;
    }
  
    let output = {
      channelNumber: channelNumber,
      impedanceValue: 0
    };
  
    let end = o.rawDataPacket.length;
  
    while (Number.isNaN(Number(o.rawDataPacket.slice(1, end))) && end !== 0) {
      end--;
    }
  
    if (end !== 0) {
      output.impedanceValue = Number(o.rawDataPacket.slice(1, end));
    }
  
    return output;
  }
docs: Process and emit an impedance value
  @param o {RawDataToSample} - Used to hold data and configuration settings
  @private