Apollon ZETA
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      Apollon ZETA Quickstart Guide

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      Apollon-ZETA 1.0

      Commissioning

      1. Pull off the magnet or use a flat object to carefully remove the magnet.
      2. The sensor will then join and start operating

      Payload Decoder Apollon-Q Series

      // Up to Date Apollon decoder
      function Decoder(bytes, port) {

          // Conversion of signed integers
          function uncomplement(val, bitwidth) {
              var isnegative = val & (1 << (bitwidth - 1));
              var boundary   = (1 << bitwidth);
              var minval     = -boundary;
              var mask       = boundary - 1;
              return isnegative ? minval + (val & mask) : val;
          }

          var decoded = {};

          if (port === 1) {

              // Attributes
              decoded.base_id         = bytes[0] >> 4;
              decoded.major_version   = bytes[0] & 0x0F;
              decoded.minor_version   = bytes[1] >> 4;
              decoded.product_version = bytes[1] & 0x0F;

              // Telemetry
              decoded.up_cnt               = bytes[2];
              decoded.battery_voltage      = ((bytes[3] << 8) | bytes[4]) / 1000.0;
              decoded.internal_temperature = bytes[5] - 128;
              decoded.alarm                = bytes[6] ? "ALARM" : "NO ALARM";
              decoded.master_value         = ((bytes[7] << 8) | bytes[8]); // in mm

              // Start of version specific fields
              var byte_cnt = 9;

              // ToF onboard
              if (bytes[1] & 0x01) {
                  decoded.tof_status   = bytes[byte_cnt++];
                  decoded.tof_distance = ((bytes[byte_cnt++] << 8) | bytes[byte_cnt++]); // in mm
                  decoded.tof_index    = bytes[byte_cnt++];
              }

              // Radar onboard
              if (bytes[1] & 0x02) {
                  decoded.radar_status      = bytes[byte_cnt++];
                  decoded.radar_no_peaks    = bytes[byte_cnt++];
                  decoded.radar_distance_1  = ((bytes[byte_cnt++] << 8) | bytes[byte_cnt++]);
                  decoded.radar_amplitude_1 = uncomplement((bytes[byte_cnt++] << 8) | bytes[byte_cnt++], 16);
                  decoded.radar_distance_2  = ((bytes[byte_cnt++] << 8) | bytes[byte_cnt++]);
                  decoded.radar_amplitude_2 = uncomplement((bytes[byte_cnt++] << 8) | bytes[byte_cnt++], 16);
                  decoded.radar_distance_3  = ((bytes[byte_cnt++] << 8) | bytes[byte_cnt++]);
                  decoded.radar_amplitude_3 = uncomplement((bytes[byte_cnt++] << 8) | bytes[byte_cnt++], 16);
              }

              // ACC onboard
              if (bytes[1] & 0x04) {
                  decoded.acc_status      = bytes[byte_cnt++] ? "Fehler" : "OK";
                  decoded.acc_orientation = bytes[byte_cnt++];
                  decoded.acc_open        = bytes[byte_cnt++];
                  decoded.acc_open_cnt    = ((bytes[byte_cnt++] << 8) | bytes[byte_cnt++]);
                  decoded.acc_impact      = bytes[byte_cnt++] ? "Vandalismus" : "OK";
              }

              // Hall onboard
              if (bytes[1] & 0x08) {
                  decoded.hall_open     = bytes[byte_cnt++];
                  decoded.hall_open_cnt = ((bytes[byte_cnt++] << 8) | bytes[byte_cnt++]);
              }
          }
          return decoded;
      }