FT_W32_GetCommModemStatus

This function gets the current modem control value.

BOOL

FT_W32_GetCommModemStatus

(FT_HANDLE ftHandle, LPDWORD lpdwStat)

Parameters

ftHandle	Handle of the device.
lpdwStat	Pointer to a variable to contain modem control value. The modem control value can be a combination of the following:
MS_CTS_ON	Clear to Send (CTS) is on
MS_DSR_ON	Data Set Ready (DSR) is on
MS_RING_ON	Ring Indicator (RI) is on
MS_RLSD_ON	Receive Line Signal Detect (RLSD) is on

Return Value
If the function is successful, the return value is nonzero.
If the function is unsuccessful, the return value is zero.


Example
This example shows how to use this function.

FT_HANDLE ftHandle; // setup by FT_W32_CreateFile
DWORD dwStatus;

if (FT_W32_GetCommModemStatus(ftHandle,&dwStatus)) {
  // FT_W32_GetCommModemStatus ok
  if (dwStatus & MS_CTS_ON)
    ; // CTS is on
  if (dwStatus & MS_DSR_ON)
    ; // DSR is on
  if (dwStatus & MS_RI_ON)
    ; // RI is on
  if (dwStatus & MS_RLSD_ON)
    ; // RLSD is on
}
else
  ; // FT_W32_GetCommModemStatus failed