modbus_rtu_set_rts_delay(3)
===========================


NAME
----
modbus_rtu_set_rts_delay - set the RTS delay in RTU


SYNOPSIS
--------
*int modbus_rtu_set_rts_delay(modbus_t *'ctx', int 'us');*


DESCRIPTION
-----------

The _modbus_rtu_set_rts_delay()_ function shall set the Request To Send delay
period of the libmodbus context 'ctx'.

This function can only be used with a context using a RTU backend.


RETURN VALUE
------------
The _modbus_rtu_set_rts_delay()_ function shall return 0 if successful.
Otherwise it shall return -1 and set errno.


ERRORS
------
*EINVAL*::
The libmodbus backend is not RTU or a negative delay was specified.


SEE ALSO
--------
linkmb:modbus_rtu_get_rts_delay[3]


AUTHORS
-------
Jimmy Bergström <jimmy@ekontroll.com>

The libmodbus documentation was written by Stéphane Raimbault
<stephane.raimbault@gmail.com>
