CAN总线通讯例程,包含写缓冲区\读缓冲区\处理Can总线接收信息\向Can总线发送信息\Can接口芯片初始化\CanBus接口芯片产生中断[INTR0] 等程序-CAN bus communication routines, including the write buffer \ read buffer \ deal with Can-bus to receive information \ send a message to the Can-bus \ Can interface chip initialized \ CanBus interface chip generate an interrupt [INTR0] procedures