Program Interface Library AR_MODIFY_MSG
CEI-100/CEI-200/CEI-x20 User’s Manual 115
ARS_INVBOARD The selected board is a CEI-100 or the
board index is invalid.
ARS_INVARG Scheduled transmission mode has not
been previously selected, an invalid
channel number has been specified or an
invalid message number has been
specified.
ARS_NORMAL Normal successful return.
ARS_BOARD_MUTEX Failed to acquire/release the board lock.
board (input) board number of interest.
channel (input) transmit channel to use.
msg_num (input) message number to update. This must be the
value, which was returned by a previous call to
AR_DEFINE_MSG.
rate (input) update rate for the message in clock ticks.
data (input) new ARINC data, which must be formatted
into the same bit order as required by
AR_PUTWORD.
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