4Links Diagnostic SpaceWire Interface DSI-RG408, Руководство пользователя

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Diagnostic SpaceWire Interface
EtherSpaceLink family User Manual
I f one o f e ach s et o f ac t i on s is not s p e c i f i e d, t h o s e pack et s w i ll be dis ca rd e d .
EtherSpaceLink_
DISCARD_SPECIAL_DATA
Ig no r e a n y s p e c i a l d a t a pack et s [ d e fa ult ] .
EtherSpaceLink_
REPORT_SPECIAL_DATA
R et a i n t h e s p e c i a l d a t a pack et i n a bu ff e r a n d r e p o r t
i t s len g t h .
EtherSpaceLink_
RETURN_SPECIAL_DATA
D el i ve r t h e s p e c i a l d a t a i n t h e gi ven bu ff e r .
EtherSpaceLink_
CALLBACK_SPECIAL_DATA
Ca
ll t
h
e
r
e
gis
te
r
e
d ca
llb
ack p r
o
c
e
d
u
r
e to
ha
n
d
le t
h
e
s p
e
c i a
l
d a
t
a
bu
ff
e
r
.
I f
no
s
u
ch ca
llb
ack p r
o
c
e
d
u
r
e
ha s
been
r
e
gis
te
r
e
d,
t
h
en
dis ca rd
t
h
e
s p
e
c i a
l
d a
t
a pack
et.
See
EtherSpaceLink_read_packet_special_
callback()
.
EtherSpaceLink_
DISCARD_EXTENSION_DATA
Ig
no
r
e
a
n
y
exten
si
on
d a
t
a pack
et
s [ d
e
fa
ult
]
.
EtherSpaceLink_
REPORT_EXTENSION_DATA
R
et
a i
n t
h
e exten
si
on
d a
t
a pack
et
i
n
a
bu
ff
e
r a
n
d
r
e
p
o
r
t
i
t
s
len
g
t
h
.
EtherSpaceLink_
RETURN_EXTENSION_DATA
Del i ve r a n y exten si on d a t a i n t h e gi ven bu ff e r .
EtherSpaceLink_
CALLBACK_EXTENSION_DATA
Ca ll t h e r e gis te r e d ca llb ack p r o c e d u r e to ha n d le t h e
exten si on d a t a bu ff e r . I f no s u ch ca llb ack p r o c e d u r e
ha s been r e gis te r e d, t h en dis ca rd t h e exten si on d a t a
pack et. See
EtherSpaceLink_read_packet_
extension_callback()
.
Output p ara mete r s
terminator
i
n
di ca
te
s wha
t te
r
m
i
n
a
to
r, i f a
n
y , wa s r
e
c
e
i
ve
d
Retu r ns
≥ 0
Th
e numbe
r
o
f d a
t
a
b
y
te
s ac
tu
a
ll
y i
n t
h
e
r
e
c
e
i
ve bu
ff
e
r
.
- 1 A n e rr o r o cc u rr e d .
-N- 2 I f
t
h
e
r
e
c
e
i
ve
d d a
t
a wa s
“
s p
e
c i a
l”
d a
t
a a
n
d
t
h
e
ac
t
i
on
r
e
q
ue
s
te
d wa s
to
r
e
p
o
r
t
s
u
ch
d a t a t h en t h e r etu r ne d v a lue is ne g a t i ve : t h e a b s olute v a lue m i nu s 2 be i n g t h e numbe r
o
f s p
e
c i a
l
d a
t
a
b
y
te
s a
v
a i
l
a
ble. (e.
g
.
a r
etu
r
n v
a
lue o
f - 3 i
n
di ca
te
s a s p
e
c i a
l
pack
et
c ont a i n i n g 1 b y te is a v a i l a ble.)
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