求翻译：软件层包括CAN协议、串口协议和Zigbee协议，完成了数据在各协议间的实时传输，同时提供一些API函数供应用层程序调用.是什么意思？

Software layers, including the CAN protocol, serial protocol and Zigbee protocols, the completion of the agreement between the data in real-time transmission, while providing some layer of programs for use by the API function calls.

正在翻译，请等待...

The software level including the CAN agreement, the serial port agreement and the Zigbee agreement, has completed the data in during various agreements real-time transmission, simultaneously provides some API function to supply the application layer procedure transfer.

Software layer includes the CAN protocol, serial port and Zigbee protocols, completed the data is transmitted in real time among the various agreements, while providing some API functions supplied with calls.

Software layer includes the CAN protocol, serial port and Zigbee protocols, completed the data is transmitted in real time among the various agreements, while providing some API functions supplied with calls.