关键词: TMS320F28335, 远程在线升级, CAN总线, 任意节点

Abstract: Aiming at the problem that TMS320F28335 is difficult to be upgraded by emulator in the field, a remote online upgrade method based on controller area network (CAN) bus is proposed, and the basic principle of the method is introduced in detail. On the basis of not destroying the communication between nodes, this method realizes the function of online upgrade to any node in the CAN network. Finally, a large number of experiments are carried out by separately controlling the number of nodes in the network, the length of the CAN bus, the priority of the target node and the network load rate. The experimental results verify the reliability and stability of the method.

Key words: TMS320F28335, remoteonlineupgrade, CANbus, anynode