Aim MIL-STD-1553 - Page 266

MIL-STD-1553 Reference Manual
252
Chapter 7 – Bus Controller Functions
T
T
Y
Y
_
_
A
A
P
P
I
I
_
_
B
B
C
C
_
_
E
E
R
R
R
R
e
e
r
r
r
r
BC Transfer Error Injection specifications
typedef struct ty_api_bc_err
{
AiUInt8 type;
AiUInt8 sync;
AiUInt8 contig;
AiUInt8 padding1;
AiUInt32 err_spec;
} TY_API_BC_ERR;
A
A
i
i
U
U
I
I
n
n
t
t
8
8
t
t
y
y
p
p
e
e
Error Type
Value
Constant
Description
0
API_ERR_TYPE_NO_INJECTION
No error injection
1
API_ERR_TYPE_COMMAND_SYNC
Command Sync Error with Sync
Pattern in ‘sync’
2
API_ERR_TYPE_DATA_SYNC
Data Sync Error with Sync
Pattern in ‘sync’ in Word ‘wpos’
3
API_ERR_TYPE_PARITY
Parity Error in Word ‘wpos’
4
API_ERR_TYPE_MANCHESTER_HIGH
Manchester Stuck at High Error in
Word ‘wpos’ at Bit Position ‘bpos’
5
API_ERR_TYPE_MANCHESTER_LOW
Manchester Stuck at Low Error in
Word ‘wpos’ at Bit Position ‘bpos’
6
API_ERR_TYPE_GAP
Gap Error with Gap defined in
‘contig’ in Word ‘wpos’
7
API_ERR_TYPE_WORD_CNT_HIGH
Word Count High with count in
‘wpos’
8
API_ERR_TYPE_WORD_CNT_LOW
Word Count Low with count in
‘wpos’
9
API_ERR_TYPE_BIT_CNT_HIGH
Bit Count High Error in Word
‘wpos’ (+ ‘bc_bits’)
10
API_ERR_TYPE_BIT_CNT_LOW
Bit Count Low Error in Word
‘wpos’ (- ‘bc_bits’)
11
Reserved
12
API_ERR_TYPE_ZERO_CROSS_NEG
Zero Crossing Low Deviation
Error in word ‘WPOS’ at bit
position ‘BPOS’ with negative
deviation in ‘contig’
13
API_ERR_TYPE_ZERO_CROSS_POS
Zero Crossing High Deviation
Error in word ‘WPOS’ at bit
position ‘BPOS’ with positive
deviation in ‘contig’
14
Reserved
15
API_ERR_TYPE_BUS_SWITCH
Bus Switching Support
The BIU disables the physical
decoder device on the alternate
bus, if the current transfer is in
fast gap mode (RT-Validation
Test 5.2.1.8)
Note: The error type 9 (Bit Count High) is not supported together with Modecodes
without data!!!
A
A
i
i
U
U
I
I
n
n
t
t
8
8
s
s
y
y
n
n
c
c
Sync Field Error Half-Bit-Pattern (6 LS-Bits)
(38hex = 111000 Sync Pattern)