4Links EtherSpaceLink Series, Руководство пользователя

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EtherSpaceLink-RG408
EtherSpaceLink family User Manual
14. 6 . 3 1.
EtherSpaceLink_extract_timetag()
S ynops i s
double EtherSpaceLink_extract_timetag ( EtherSpaceLink ESL_unit,
void * buffer
)
D esc ri pt i on
EtherSpaceLink_extract_timetag()
e x t r
ac
ts t
h
e t i me
-
t
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et
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c o n v e r ts i t f r o m i ts i nte r n a l r e p r esent a t i o n a s a n i nte g e r m ul t i pl e o f a b a se t i me (1 00 ns ) t o a r e a l
(d
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N o te: t i me - t a g s a r e e x t r ac ted b y t h i s f u n c t i o n f o r -TT a nd - E R g ene r a ted p ac k ets o n ly .
I nput p ara mete r s
ESL_unit
t h e ha nd l e r et u r ned b y a s u cc ess f ul
EtherSpaceLink_open()
c o mm a nd.
buffer
a
n
a
r e
a c o
nt
a
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a c o
nt r
ol p ac k
et , s
u ch a
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r ned b
y
EtherSpaceLink_get_control_packet()
.
Retu r ns
double
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f
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e t i me
-
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k et.
E xa mple
void callback ( int length, int complete, int data_buffer_position )
{
switch ( EtherSpaceLink_extract_module_type ( ESL_unit, callback_buffer ))
{
case EtherSpaceLink_TT:
time = EtherSpaceLink_extract_timetag ( ESL_unit, callback_buffer );
// ...
}
}
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