abaco systems CEI-520 - Ar_Reformat

Program Interface Library AR_REFORMAT
CEI-100/CEI-200/CEI-x20 User’s Manual 127
AR_REFORMAT
void ar_reformat (void *lsword, void *msword);
Converts an ARINC word to transmission format. It takes data in the
conventional ARINC format:
32
31 30
29 11
10 9
8 1
P
SSM
DATA
SDI
LABEL
and converts it into transmission format:
32 14
13 12
11 10
9
8 1
DATA
SDI
SSM
P
LABEL
There is an alternate method of calling this routine. It can be called with
the address of a 32-bit ARINC word as the first argument and a NULL
pointer as the second argument (e.g., “0L” works.).
In the CEI-x20 libraries, this function performs no conversion on the
specified ARINC word since the CEI-x20 operates exclusively on standard
ARINC format words.
None. No errors are possible.
lsword (input/output) address of the least significant 16 bits
of the ARINC word to reformat.
msword (input/output) address of the most significant 16 bits
of the ARINC word to reformat.
Syntax
Description
Return Value
Arguments
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