Merge pull request #490 from Hammer2014/master

enchance: Use `node.client.connectUDP` to support UDP type.
BiancoRoyal · Nov 2, 2024 · 1c4f5e3 · 1c4f5e3
2 parents 7cf303e + dba1227
commit 1c4f5e3
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diff --git a/src/modbus-client.html b/src/modbus-client.html
@@ -256,6 +256,7 @@
                         <option value="TCP-RTU-BUFFERED">RTU-BUFFERED</option>
                         <option value="TELNET">TELNET</option>
                         <option value="C701">C701</option>
+                        <option value="UDP">UDP</option>
                     </select>
                 </div>
             </div>

diff --git a/src/modbus-client.js b/src/modbus-client.js
@@ -372,6 +372,17 @@ module.exports = function (RED) {
                     return false
                   })
                 break
+              case 'UDP':
+                  verboseLog('UDP port')
+                  node.client.connectUDP(node.tcpHost, {
+                    port: node.tcpPort,
+                    autoOpen: true
+                  }).then(node.setTCPConnectionOptions)
+                    .catch((err) => {
+                      node.modbusTcpErrorHandling(err)
+                      return false
+                    })
+                  break
               default:
                 verboseLog('TCP port')
                 node.client.connectTCP(node.tcpHost, {