德国bosh公司建立的CAN总线标准协议 学学不错的，板级通信需要-Germany bosh company established standard protocol for CAN bus, learn well, and board-level communication needs

this the opensource for the smack 3.2.2 and you can get the runnable version from the smack official site-this is a source file of jbosh, you can use it for xmpp connection via bosh.