modbus_rtu_get_rts_delay.txt
865 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
modbus_rtu_get_rts_delay(3)
===========================
NAME
----
modbus_rtu_get_rts_delay - get the current RTS delay in RTU
SYNOPSIS
--------
*int modbus_rtu_get_rts_delay(modbus_t *'ctx');*
DESCRIPTION
-----------
The _modbus_rtu_get_rts_delay()_ function shall get the current 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_get_rts_delay()_ function shall return the current RTS delay in
microseconds if successful. Otherwise it shall return -1 and set errno.
ERRORS
------
*EINVAL*::
The libmodbus backend is not RTU.
SEE ALSO
--------
linkmb:modbus_rtu_set_rts_delay[3]
AUTHORS
-------
Jimmy Bergström <jimmy@ekontroll.com>
The libmodbus documentation was written by Stéphane Raimbault
<stephane.raimbault@gmail.com>