大菜鸟求教一些串口问题! 请问下面那些都是什么意思? COM2【DEVICE_CONTROL:SET_QUEUE_SIZE】00 04 00 00 00 04 00 00 COM2【DEVICE_CONTROL:SET_BAUD_RATE】80 25 00 00 COM2【DEVICE_CONTROL:SET_LINE_CONTROL】00 03 08 COM2【DEVICE_CONTROL:SET_CHARS】00 00 00 71 11 13 COM2【DEVICE_CONTROL:SET_HANDFLOW】01 00 00 00 40 00 00 00 00 08 00 00 00 02 00 00 COM2【DEVICE_CONTROL:SET_TIMEOUTS】00 00 00 00 00 00 00 00 F4 01 00 00 14 00 00 00 F4 01 00 00 COM2【DEVICE_CONTROL:PURGE】0C 00 00 00 COM2【WRITE:0】00 COM2【READ:0】00 COM2【DEVICE_CONTROL:SET_LINE_CONTROL】00 04 08 特别不解的是这个COM2【DEVICE_CONTROL:SET_LINE_CONTROL】00 04 08 希望达人们教教我这个大菜