C Language Development Kit/Functions/GetDSR

Description

Returns the level of the DSR line. Only works with COM0 (direct serial cable).

Syntax

int getDSR(void);

Arguments

None

Returns

ON	The DSR line is active.
OFF	The DSR line is not active.

Remarks

getDSR() is available only on the PHL1700

and only works with COM0.getDSR() gives undefined results on other communications ports.

Example