Aim MIL-STD-1553 - Page 400

MIL-STD-1553 Reference Manual
386
Chapter 9 – Bus Monitor Functions
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Subaddress Type
Value
Constant
Description
0
API_RT_TYPE_RECEIVE_SA
Receive Subaddress
1
API_RT_TYPE_TRANSMIT_SA
Transmit Subaddress
2
API_RT_TYPE_RECEIVE_MODECODE
Receive Mode code
3
API_RT_TYPE_TRANSMIT_MODECODE
Transmit Mode code
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Only valid for RTRT transfers
Value
Description
0..31
Remote Terminal Address of Transmit RT
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Only valid for RTRT transfers
Value
Description
1..30
RT Subaddress of Transmit RT
0..31
Mode code of Transmit RT
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Only valid for RTRT transfers
Subaddress Type of Transmit RT
Value
Constant
Description
0
API_RT_TYPE_RECEIVE_SA
Receive Subaddress
1
API_RT_TYPE_TRANSMIT_SA
Transmit Subaddress
2
API_RT_TYPE_RECEIVE_MODECODE
Receive Mode code
3
API_RT_TYPE_TRANSMIT_MODECODE
Transmit Mode code
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Value
Description
1..32
Amount fo Data Words associated with this message
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Received Bus Flag
Value
Constant
Description
1
API_RCV_BUS_PRIMARY
Primary Bus
0
API_RCV_BUS_SECONDARY
Secondary Bus
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1
Reserved (0)
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1
6
6
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Message Status (16-bit Word, LS-Byte first)
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
ERROR_INFO
BUS
STATUS_WORD
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
STATUS_WORD
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Message Error Information
Value
Constant
Description
0
API_BM_MSG_NO_ERR
No error
1
API_BM_MSG_ERR_NO_RESP
Terminal no response error
2
API_BM_MSG_ERR_MANCH
Manchester coding error
3
API_BM_MSG_ERR_HBIT
High bit count error
4
API_BM_MSG_ERR_LBIT
Low bit count error
5
API_BM_MSG_ERR_PARITY
Parity error
6
API_BM_MSG_ERR_ISYNC
Inverted sync error
7
API_BM_MSG_ERR_GAP
Interword gap error
8
API_BM_MSG_ERR_BOTH_CHN
Transmission on both MILbus channels
9
API_BM_MSG_ERR_MODECODE
Reserved mode code error
10
API_BM_MSG_ERR_EARLY_RESP
Early response or gap too short
11
API_BM_MSG_ERR_BIT_SET
Message error bit set in status word
(e.g. on RT address mismatch)
12
API_BM_MSG_ERR_SW_EXCEPT
Status word exception error