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FMC ADC 100M 14b 4cha - Software
Commits
9962387e
Commit
9962387e
authored
May 24, 2016
by
Federico Vaga
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lib: add fmcadc specific function to adjust buffer size
Signed-off-by:
Federico Vaga
<
federico.vaga@cern.ch
>
parent
7bbca1b6
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fmcadc-lib.h
lib/fmcadc-lib.h
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lib/fmcadc-lib.h
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9962387e
...
@@ -202,6 +202,53 @@ static inline int fmcadc_mshot_buf_max_size_get(struct fmcadc_dev *dev,
...
@@ -202,6 +202,53 @@ static inline int fmcadc_mshot_buf_max_size_get(struct fmcadc_dev *dev,
return
fmcadc_get_param
(
dev
,
"cset0/max-sample-mshot"
,
NULL
,
value
);
return
fmcadc_get_param
(
dev
,
"cset0/max-sample-mshot"
,
NULL
,
value
);
}
}
static
inline
int
fmcadc_buffer_type_get
(
struct
fmcadc_dev
*
dev
,
char
*
buf_type
)
{
return
fmcadc_get_param
(
dev
,
"cset0/current_buffer"
,
buf_type
,
NULL
);
}
static
inline
int
fmcadc_buffer_maximum_size_get
(
struct
fmcadc_dev
*
dev
,
int
*
size
)
{
char
s
[
16
];
int
err
;
err
=
fmcadc_buffer_type_get
(
dev
,
s
);
if
(
err
)
return
-
1
;
if
(
!
strcmp
(
s
,
"vmalloc"
))
{
return
fmcadc_get_param
(
dev
,
"cset0/chani/buffer/max-buffer-kb"
,
NULL
,
size
);
}
else
if
(
!
strcmp
(
s
,
"kmalloc"
))
{
return
4
*
1024
;
/* MiB => KiB */
}
return
-
1
;
}
static
inline
int
fmcadc_buffer_maximum_size_set
(
struct
fmcadc_dev
*
dev
,
int
size
)
{
char
s
[
16
];
int
err
;
err
=
fmcadc_buffer_type_get
(
dev
,
s
);
if
(
err
)
return
-
1
;
if
(
!
strcmp
(
s
,
"vmalloc"
))
{
return
fmcadc_set_param
(
dev
,
"cset0/chani/buffer/max-buffer-kb"
,
NULL
,
&
size
);
}
else
if
(
!
strcmp
(
s
,
"kmalloc"
))
{
return
-
1
;
/* cannot be changed */
}
return
-
1
;
}
#ifdef __cplusplus
#ifdef __cplusplus
}
}
#endif
#endif
...
...
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