csmstr - Omega Engineering

FUNCTION REFERENCE
DRVCTRL(PORT, FUNCTION, DATA OR VALUE???)
DRVCTRL(PORT, FUNCTION, DATA OR VALUE???)
ARGUMENT TYPE DESCRIPTION
port int The index of the driver to be controlled.
function int The required function to be executed.
data cstring Any parameter for the function.
DESCRIPTION
This function is used to perform a special operation on a communications driver. The number
to be placed in the port argument to identify the driver is the port number to which the driver
is bound. The specific action to be performed is indicated by the function parameter, the
values of which will depend upon the driver itself. The data parameter may be used to pass
addition information to the driver. Most drivers do not support this function. Where
supported, the operations are driver-specific, and are documented separately.
FUNCTION TYPE
This function is active.
RETURN TYPE
int.
EXAMPLE
Refer to comms driver application notes for specific examples.
REVISION 6 PAGE 319