串行通信 ........\乙机 ........\....\乙机接受.ASM ........\....\乙机接受.BIN ........\....\乙机接受.HEX ........\甲机 ........\....\甲机发送.ASM ........\....\甲机发送.BIN ........\....\甲机发送.HEX