因为NONbeacon,polling轮询都是6S一次,而collector的数据保存是18S,导致信道堵塞,
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因为NONbeacon,polling轮询都是6S一次,而collector的数据保存是18S,导致信道堵塞,
在IEEE 15.4规范中,对macTransactionPersistenceTime的说明如下:
The maximum time (in unit periods) that a transaction is stored by a coordinator and indicated in its beacon. The unit period is governed by macBeaconOrder, BO, as follows: For 0 ≤ BO ≤14, the unit period will be aBaseSuperframeDuration × 2^BO. For BO = 15, the unit period will be aBaseSuperframeDuration.
抓包看过吗?是collector没有回ack,还是回了但是sensor没收到。
信道干净吗?有没有可能是干扰导致数据不能正确接收?
还可以使用最新版本的SDK(V2.30)里的例程试一下。
是的,可能是你的这些修改,与本身例程中的工作流程有冲突或不匹配。
比如你怎么关闭polling的,又是怎么开启的?
你对例程中本身的config,以及collector端的tracking message是怎么处理的?
你的时间间隔是怎么设置的?