common.h

HPC上的RS232 USB Driver .该软件比PL2303专用驱动强

#ifdef DEBUG
void dmesg(WCHAR const*,...);
void infodump(
  USB_HANDLE uh,
  USB_FUNCS const* uf,
  USB_DEVICE const* ui);
#else
#define dmesg 1?(void)0:
#endif