中文转unicode，方便发短信用，另有PDU格式转换-chinese to unicode

可以计算CAN总线的PDU中的29位扩展帧ID，只要输入优先权P、PGN码和源地址SA，即可计算得到29位的ID.同时，也可以由PGN各个细分的组成部分来计算CAN ID。-The 29-bit extended frame ID in the PDU of the CAN bus can be calculated, and the 29-bit ID can be calculated by entering the priority P, the PGN code, and the sou