gr-lora/grc/lora_receiver.xml

<?xml version="1.0"?>
<block>
  <name>LoRa Receiver</name>
  <key>lora_lora_receiver</key>
  <category>[LoRa]</category>
  <import>import lora</import>
  <make>lora.lora_receiver($samp_rate, $center_freq, $channel_list, $bandwidth, $sf, $implicit, $cr, $crc, $reduced_rate, $conj, $decimation, $disable_channelization, $disable_drift_correction)</make>

  <callback>set_center_freq($freq)</callback>
  <callback>set_sf($sf)</callback>

   <param>
     <name>Sample rate</name>
     <key>samp_rate</key>
     <value>1e6</value>
     <type>float</type>
   </param>

  <param>
    <name>Center frequency</name>
    <key>center_freq</key>
    <value>868e6</value>
    <type>float</type>
  </param>

  <param>
    <name>Channel list</name>
    <key>channel_list</key>
    <value>[868.1e6]</value>
    <type>float_vector</type>
    <hide>$disable_channelization.hide_channels</hide>
  </param>

  <param>
    <name>Bandwidth</name>
    <key>bandwidth</key>
    <value>125000</value>
    <type>int</type>
  </param>

  <param>
    <name>Spreading factor</name>
    <key>sf</key>
    <type>int</type>
  </param>

  <param>
    <name>Implicit header</name>
    <key>implicit</key>
    <type>enum</type>
    <option>
        <name>No</name>
        <key>False</key>
        <opt>hide_imp:all</opt>
    </option>
    <option>
        <name>Yes</name>
        <key>True</key>
        <opt>hide_imp:</opt>
    </option>
  </param>

  <param>
      <name>Coding rate</name>
      <key>cr</key>
      <type>enum</type>
      <hide>$implicit.hide_imp</hide>
      <option>
          <name>4/8</name>
          <key>4</key>
      </option>
      <option>
          <name>4/7</name>
          <key>3</key>
      </option>
      <option>
          <name>4/6</name>
          <key>2</key>
      </option>
      <option>
          <name>4/5</name>
          <key>1</key>
      </option>
  </param>

  <param>
      <name>CRC</name>
      <key>crc</key>
      <type>enum</type>
      <hide>$implicit.hide_imp</hide>
      <option>
          <name>Yes</name>
          <key>True</key>
      </option>
      <option>
          <name>No</name>
          <key>False</key>
      </option>
  </param>

  <param>
      <name>Reduced rate</name>
      <key>reduced_rate</key>
      <type>enum</type>
      <option>
          <name>No</name>
          <key>False</key>
      </option>
      <option>
          <name>Yes</name>
          <key>True</key>
      </option>
  </param>

  <param>
    <name>Conjugate downlink signal</name>
    <key>conj</key>
    <value>False</value>
    <type>bool</type>
    <hide>part</hide>
  </param>

  <param>
    <name>Decimation</name>
    <key>decimation</key>
    <value>1</value>
    <type>int</type>
    <hide>part</hide>
  </param>

  <param>
    <name>Disable channelization</name>
    <key>disable_channelization</key>
    <type>enum</type>
    <hide>part</hide>
    <option>
        <name>No</name>
        <key>False</key>
        <opt>hide_channels:</opt>
    </option>
    <option>
        <name>Yes</name>
        <key>True</key>
        <opt>hide_channels:all</opt>
    </option>
  </param>

  <param>
    <name>Disable drift correction</name>
    <key>disable_drift_correction</key>
    <value>False</value>
    <type>bool</type>
    <hide>part</hide>
  </param>

  <sink>
    <name>in</name>
    <type>complex</type>
  </sink>

  <source>
    <name>frames</name>
    <type>message</type>
    <optional>1</optional>
  </source>
</block>