Online upgrading method and system for vehicle-mounted millimeter wave radar application program

The invention discloses an online upgrading method and system for a vehicle-mounted millimeter wave radar application program, and the method comprises the steps: loading an application program running on a radar and a boot loader, and compiling an upgrading application program into a binary file; downloading the binary file to a radar through a CAN bus, receiving and checking the files one by oneby a running boot loader of the radar, and updating a program modification part to obtain an upgraded application program; enabling the radar to automatically restart and run the upgraded applicationprogram, if the upgraded application program is correct, completing upgrading verification, and if the upgraded application program is incorrect or the application program needs to be upgraded again,repeating the upgrading process. The method has the advantages that the method is simple to implement, the problem that the system is possibly unrecoverable under abnormal conditions is solved by adopting the method of pre-all