public.h

serial port read/write,对USB和com端口的数据读写可以实时操作

// {EDCCB7CD-86AC-485e-B30C-83AA7C26EF0C}
DEFINE_GUID(GUID_DEV_IF_BASIC, 
0xedccb7cd, 0x86ac, 0x485e, 0xb3, 0xc, 0x83, 0xaa, 0x7c, 0x26, 0xef, 0xc);