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
AUTHORS
Jimmy Bergström <jimmy@ekontroll.com>
The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>