一个BootLoader的示例程序，可以此为基础开发自己的BootLoader． 基本功能：主机（Host）可以通过CAN的适配板（Adaptor）对目标板（Target）进行Flash的编程-A BootLoader sample programs, may use this as the basis to develop their own BootLoader. Basic functions: host (Host) by CAN adapter plate (Adaptor)