/*
 * TagoIO Decoders - (https://tago.io/)
 * -------------------
 * Generated by     :: tagoio
 * Generated at     :: Thu Jun 29 2023 19:27:08 GMT+0000 (Coordinated Universal Time)
 * Machine          :: fred <linux> - Node.js v18.16.0
 * -------------------
*/

const bcd2number_r313da = function(bcd) {
  let n = 0;
  let m = 1;
  for(let i = 0; i < bcd.length; i += 1){
      n += (bcd[bcd.length - 1 - i] & 0x0f) * m;
      n += (bcd[bcd.length - 1 - i] >> 4 & 0x0f) * m * 10;
      m *= 100;
  }
  return n;
};
function decode_r313da(bytes, port) {
  switch(port){
      case 6:
          return decode_port6_rd313da(bytes);
      case 7:
          return decode_port7_rd313da(bytes);
      default:
          throw new Error("no port configured");
  }
}
function decode_port6_rd313da(bytes) {
  const data = [];
  const cmd = bytes[2];
  switch(cmd){
      case 0x00:
          data.push({
              variable: "software_version",
              value: bytes[3] / 100
          });
          data.push({
              variable: "hardware_version",
              value: bytes[4]
          });
          data.push({
              variable: "datecode",
              value: bcd2number_r313da(bytes.slice(5, 9))
          });
          return data;
      case 0x01:
          data.push({
              variable: "battery",
              value: bytes[3] / 10,
              unit: "v"
          });
          data.push({
              variable: "status",
              value: bytes[4] == 0x00 ? "off" : "on"
          });
          return data;
  }
}
function decode_port7_rd313da(bytes) {
  const data = [];
  const cmd = bytes[0];
  switch(cmd){
      case 0x81:
          data.push({
              variable: "cmd",
              value: "config_report_rsp"
          });
          data.push({
              variable: "status",
              value: bytes[2] == 0x00 ? "success" : "failure"
          });
          return data;
      case 0x82:
          data.push({
              variable: "cmd",
              value: "read_config_report_rsp"
          });
          data.push({
              variable: "min_time",
              value: Number(bytes[2] << 8) + Number(bytes[3]),
              unit: "s"
          });
          data.push({
              variable: "max_time",
              value: Number(bytes[4] << 8) + Number(bytes[5]),
              unit: "s"
          });
          data.push({
              variable: "battery_change",
              value: bytes[6] / 10,
              unit: "v"
          });
          return data;
      case 0x83:
          data.push({
              variable: "cmd",
              value: "set_restore_report_rsp"
          });
          data.push({
              variable: "status",
              value: bytes[2] == 0x00 ? "success" : "failure"
          });
          return data;
      case 0x84:
          data.push({
              variable: "restore_report_set",
              value: bytes[2] == 0x00 ? "Do_not_report_when_sensor_restore" : "report_when_sensor_restore"
          });
          return data;
      default:
          data.push({
              variable: "failure",
              value: "command_configuration"
          });
          return null;
  }
}
const payload_r313da = payload.find((x)=>x.variable === "payload_raw" || x.variable === "payload" || x.variable === "data" || x.variable === "payload_hex");
const port_r313da = payload.find((x)=>x.variable === "port" || x.variable === "FPort" || x.variable === "fPort" || x.variable === "fport")?.value;
if (payload_r313da && port_r313da) {
  try {
      const buffer = Buffer.from(payload_r313da.value, "hex");
      const data = decode_r313da(buffer, Number(port_r313da));
      payload = payload.concat(data.map((x)=>({
              ...x,
              serie: payload_r313da.group,
              time: payload_r313da.time
          })));
  } catch (error) {
      console.error(error);
      payload = [
          {
              variable: "parse_error",
              value: error.message
          }
      ];
  }
}


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