Rockwell Automation 57C610 Enhanced Basic Language, AutoMax - Manual (Page 116)

8Ć6
8.7 SENDL% Function
Format:
SENDL%( sn%, list! )
where:
sn% is the number of the socket through which the
message is to be sent. This is the value that was
returned from the SOCKET% or ACCEPT%
function. This can be specified as a simple variable
or as an element of an array.
list! is a single dimension double integer array whose
size is limited only by memory capacity. The values
in this array define where to get the data to send.
No subscript is given on this parameter.
Beginning at list!(0), the even elements of the array
contain pointers to the data to send and odd
elements of the array contain the number of bytes
to transfer. The number of bytes must be even. The
value for pointers is found with the VARPTR! or
FINDVAR! function. The list is terminated by a
pointer with a value of zero at the even boundary.
This function causes a message to be sent to the destination as
defined by the socket number.
If a TCP socket is specified, it must be connected. If the connection
was established with an ACCEPT%, the destination is the station
that established the connection.
Values Returned:
>0
Number of bytes transferred
-2 ENI not initialized
-9 No buffer space
-15 Bad socket number
-17 Message too long
-18 Zero length
-19 Illegal Pointer
-25 Not a double integer array
-26 Not a single dimension array
-27 Bad array format
-30 Odd number of bytes in list parameter
-102 Socket not connected
For example:
XMIT_LEN% = SENDL%( SN%, NETWORK_LIST! )