4Links Diagnostic SpaceWire Interface DSI-RG408, Руководство пользователя

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Diagnostic SpaceWire Interface
EtherSpaceLink family User Manual
11. Opt i on E W - E v ent / E rr o r Wav efo r ms
Op t i on EW p r ov id e s t h e a b i l i t y to cap tu r e wa ve f o r m t r ac e s o f t h e S pac e W ir e sig n a l s wh en a n e rr o r o r
a
t
rigg
e
r c
on
di
t
i
on
is
ob
s
e
r
ve
d
on
a
l
i
n
k
.
Wh en o p t i on EW is i n s t a lle d i n a n E t h e r S pac eL i n k un i t , e ach S pac e W ir e p o r t i n c o r p o r a te s a wa ve f o r m
r
e
c
o
rd
e
r
t
ha
t
cap
tu
r
e
s
t
h
e
w ir
e
sig
n
a
l
s a
t t
ha
t
p
o
r
t
c
ont
i
nuou
s
l
y
.
I
t
s
to
p s r
e
c
o
rdi
n
g a
n
d
m
ak
e
s
t
h
e
wa ve f o r m s a v a i l a ble af te r i t is t rigg e r e d b y a n event.
Th
e
EW
o
p
t i on
ca
n
a
l s o out
p
ut
a p
ul s e on one o
f
t
h
e r e
a
r
-
mounte d S
MA c
onne
c
to rs, i n r e s
p
on s e to
a
t
rigg
e
r
.
Figure 11 . 1: A n E rror Wa v e f or m s h o w s a pa rit y error (a n d t h en t h e l in k ti m e s out )
Fig u r e 11 . 1 s h o w s a n e rr o r wa ve f o r m t ha t wa s t rigg e r e d b y a pa ri t y e rr o r be i n g ob s e r ve d on p o r t 1 o f a
DS
I
.
Th
e e
rr
oneou
s pa ri
t
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w
n
i
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r
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.
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en t
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i
n
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en
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ne
d
ete
c
te
d
t
h
e
pa ri
t
y
e
rr
o
r, i
t
dis c onne c te d t h e l i n k , a n d t h is m ay a l s o be s een i n t h e wa ve f o r m.
A
n e
rr
o
r wa
ve
f
o
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m
is dis p
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d a
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t
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ll
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SpWIO
p r
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i f i ca
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on
s
.
I
t
is a
l
s
o
p
o
ssi
ble to
s a
ve t
h
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wa
ve
f
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r
m to
a f i
le u
si
n
g
t
h
e button
p r
ov
id
e
d
.
Wh
en
r
unn
i
n
g a p r
o
gr a
m t
ha
t u
s
e
s
t
h
e
C-
l
a
n
g
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a g
e
App
l
i ca
t
i
on P
r
o
gr a
mm
i
n
g I
nte
r fac
e
S
a
ve
d wa
ve
f
o
r
m
s
m
ay
be v
i
e
w
e
d
u
si
n
g
t
h
e
s
u
pp
l
i
e
d
waveform.jar
p r
o
gr a
m
:
T o be gi ven a u s a g e d e s c ri p t i on : f r om a c omm a n d w i n d o w , t yp e
java -jar Waveform.jar
T
o dis
p
l
ay a wa
ve
f
o r m s to r e d i n
f
i le
<file name>
:
f
r om
a c
omm
a
n d
w
i n d o
w
, t
yp
e
java -jar Waveform.jar <file name>
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