uhf_c66_plugin 1.1.1

A flutter plugin for UHF C66 RFID Scanner

uhf_c66_plugin

A flutter plugin for UHF type C66 to read UHF Cards. This was forked from the C72 plugin created by amorenew.

I included the newer API version from Chainway (2025-02-09) and updated the code for Flutter 3

Getting Started

• Import the library:

  import 'package:uhf_c66_plugin/uhf_c66_plugin.dart';

• Open connection to the UHF reader

  await UhfC66Plugin.connect();

• Check if is the reader connected

  await UhfC66Plugin.isConnected();

• Start reading data a single UHF card

  await UhfC66Plugin.startSingle();

• Start reading data multi 'continuous' UHF cards

  await UhfC66Plugin.startContinuous();

• Is started reading

  await UhfC66Plugin.isStarted();

• Stop Reading

  await UhfC66Plugin.stop();

• Close the connection

  await UhfC66Plugin.close();

• Clear cached data for the reader

  await UhfC66Plugin.clearData();

• Is Empty Tags

  await UhfC66Plugin.isEmptyTags();

• Write to EPC Tag

  await UhfC66Plugin.writeEpc(String writeData, String accessPwd)

• Set Power level (1 dBm : 30 dBm use string numbers)

  await UhfC66Plugin.setPowerLevel(String level);

• Get Power level (returns string number, 1-30 dBm)

  await UhfC66Plugin.getPowerLevel();

• Set Frequency mode (string number)

  • 1：China Standard(840~845MHz)
  • 2：China Standard2(920~925MHz)
  • 4：Europe Standard(865~868MHz)
  • 8：USA(902-928MHz)
  • 22：Korea(917~923MHz)
  • 50: Japan(952~953MHz)
  • 51: South Africa(915~919MHz)
  • 52: China Taiwan
  • 53: Vietnam(918~923MHz)
  • 54: Peru(915MHz-928MHz)
  • 55: Russia( 860MHz-867.6MHz)
  • 128: Morocco

  await UhfC66Plugin.setFrequencyMode(String area);

• Get Work area (returns string number)

  await UhfC66Plugin.getFrequencyMode();

• Listen to tags status

  UhfC66Plugin.tagsStatusStream.receiveBroadcastStream().listen(updateTags);

     List<TagEpc> _data = [];
     void updateTags(dynamic result) {
      setState(() {
          _data = TagEpc.parseTags(result);
       });
     }
  

Finder Functions (Partial EPC Locate)

Use these methods to continuously search for a tag using a partial EPC, then start proximity locate when a match is found.

• Start find by partial EPC

    `await UhfC66Plugin.startFindByPartialEpc('3008A', matchType: 'startsWith', scanWindowMs: 1500);`
  
    Parameters:
  
    -   `partialEpc`: required partial EPC string.
    -   `matchType`: one of `startsWith`, `contains`, `endsWith`, `exact`.
    -   `scanWindowMs`: scan duration in milliseconds for each find attempt.
  

• Stop partial EPC find/locate

    `await UhfC66Plugin.stopFindByPartialEpc();`
  

• Check locate state

    `await UhfC66Plugin.isLocating();`
  

• Listen to locate/proximity status stream

    `UhfC66Plugin.locateStatusStream.receiveBroadcastStream().listen(updateLocate);`
  
    ```dart
    void updateLocate(dynamic raw) {
        final locate = TagLocate.fromDynamic(raw);
        if (locate == null) return;
  
        debugPrint(
            'epc=${locate.epc} proximity=${locate.signalValue} valid=${locate.valid} rssi=${locate.rssi}',
        );
    }
    ```