Visual C++ (MFC)

- Set the fRtsControl member of the DCB structure to [RTS_CONTROL_TOGGLE(0x03)] using SetCommState() of the Win32API communication function.
  For details, refer to the source code of Sample Program.

 

- For details of the DCB structure, refer to the developer's Microsoft website.

Reference : [DCB structure] (Since this is an external link, the link may change without notice)
https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-dcb

 

- When using RTS/CTS with COM-1(USB)H, COM-1P(USB)H, COM-1PD(USB)H, set fOutxDsrFlow to FALSE.
  If fOutxCtsFlow and fOutxDsrFlow are set to TRUE at the same time, fOutxDsrFlow takes precedence.