Aim MIL-STD-1553 - Low Speed Functions; Apicmdrtbhdef; Figure 8-1 Status Word; Figure 8-2 Command Word

MIL-STD-1553 Reference Manual
268
Chapter 8 – Remote Terminal Functions
This section has multiple references to the Status Word, Next Status Word and Last Status
Word. All Status words have the same format as shown in Figure 8-1. Command words have
the format as shown in Figure 8-2.
Figure 8-1 Status Word
Status Word
15...............11
10
9
8
7....5
4
3
2
1
0
5
1
1
1
3
1
1
1
1
1
Remote Terminal
Address
Message Error
Instrumentation
Service request
Reserved
Broadcast
Command
received
Busy
Sub System
Flag
Dynamic Bus
Control
Acceptance
Terminal Flag
Figure 8-2 Command Word
Command Word
15 ................................ 11
10
9 ......................................... 5
4 ......................................... 0
Remote Terminal Address
T/R
Subaddress or
Mode
Data Word Count or
Mode Code
8.1 Low Speed Functions
8.1.1 ApiCmdRTBHDef
Prototype:
AiInt16 ApiCmdRTBHDef ( AiUInt32 ul_ModuleHandle, AiUInt8 biu, AiUInt16 hid,
AiUInt16 bid, AiUInt16 sid, AiUInt16 eid,
AiUInt8 qsize, AiUInt8 bqm, AiUInt8 bsm,
AiUInt8 sqm, AiUInt8 eqm, AiUInt8 dbm,
TY_API_RT_BH_INFO *pbh );
Driver Command:
API_RT_BH_DEF (0x95)
Purpose:
This function is used to associate a Data Buffer ID, Buffer Queue size, Queue mode,
and error protocol to an RT Buffer Header ID. The RT Buffer Header specified should
first be assigned to an RT Transfer using the function ApiCmdRTSACon.
I
I
n
n
p
p
u
u
t
t
A
A
i
i
U
U
I
I
n
n
t
t
1
1
6
6
h
h
i
i
d
d
Buffer Header ID
Note: See Section 1.3.5 for the range allowed for this parameter.
A
A
i
i
U
U
I
I
n
n
t
t
1
1
6
6
b
b
i
i
d
d
Assigned Data Buffer Identifier