而H4充当通过UART传输Bluetooth数据的标准方法。UART是在规范中定义的来自CSR的专有BCSP协议，支持错误校验和重传。
While H4 serves as the standard method to transmit Bluetooth data over UART as defined in the specifications, the proprietary BCSP protocol from CSR supports error checking and retransmission.
平台为五层结构，分别为现场设备层、数据采集与校验层、数据处理层、数据传输层以及应用层。
The platform is divided into five layers named as locate equipment layer, data collect and check layer, data transaction layer, data transport layer and application layer.
这是一个关于二进制编码的校验问题，通过校验之后，检验是否传输正确。
This is a binary encoded on the check, by check, to verify whether the correct transmission.
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