Abstract:

In view of the problems existing in boat sonar signal acquisition of regional broad and large volumes of data,we present a data communication system for sonar based on two-double can bus.At the heart of system is a PIC18F4580 MCU controller,it uses its own integrated CAN controller to communication with the acquisition unit node,and uses an external CAN controller MCP2510 to communicate with the computer.CAN bus interface to realized two-double and multi-regional data collection.Experimental results show that no data transmission error or loss,the system performance is stable and reliable.

Key words: CAN bus;sonar;data communication;PIC18F4580;CAN controller