我正在尝试使用 LLRP 连接到 Impinj Speedway RFID 阅读器,我收到以下错误代码:Failed_Reason_Other_Than_A_Connection_Already_Exists
更具体地说,我正在发送 GET_READER_CONFIG 消息并获得:
<?xml version="1.0" encoding="UTF-8"?>
<llrp:READER_EVENT_NOTIFICATION xmlns:llrp="http://www.llrp.org/ltk/schema/core/encoding/xml/1.0" Version="1" MessageID="0">
<llrp:ReaderEventNotificationData>
<llrp:UTCTimestamp>
<llrp:Microseconds>50408-10-10T04:34:25.209Z</llrp:Microseconds>
</llrp:UTCTimestamp>
<llrp:ConnectionAttemptEvent>
<llrp:Status>Failed_Reason_Other_Than_A_Connection_Already_Exists</llrp:Status>
</llrp:ConnectionAttemptEvent>
</llrp:ReaderEventNotificationData>
</llrp:READER_EVENT_NOTIFICATION>