COMM-DRV/Lib: IsDsr() Returns true if DSR signal high

Description-

Returns true if DSR signal is high.

Syntax-

stat = IsDsr(port);

On Entry-

int port;

Port previously opened with OpenComPort().

On Exit-

int stat;

0 If DSR signal is low.

1 If DSR signal is high

See Also-

IsBreak()
IsCarrierDetect()
IsCts()
IsDsr()
IsFramingError()
IsInputOverrun()
IsOverrunError()
IsParityError()
IsRing()

Example-

#include “comm.h”

int port=0;
int stat;

if ((stat = IsDsr(port)) == 1)
{
printf(“Dsr is present\n”);
}