STM32412G-Discovery
pScratchBuff
is only used within STM32412G-Discovery.
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STM32 Libraries and Samples
STM32412G-Discovery
pScratchBuff
pScratchBuff variable
Syntax
from
stm32412g_discovery_audio.c:169
int32_t
*
pScratchBuff
[
DEFAULT_AUDIO_IN_CHANNEL_NBR
]
;
References
Location
Referrer
Text
stm32412g_discovery_audio.c:169
int32_t
*
pScratchBuff
[
DEFAULT_AUDIO_IN_CHANNEL_NBR
]
;
stm32412g_discovery_audio.c:1017
BSP_AUDIO_IN_AllocScratch()
pScratchBuff
[
idx
]
=
(
int32_t
*
)
(
pScratch
+
idx
*
ScratchSize
)
;
stm32412g_discovery_audio.c:1040
BSP_AUDIO_IN_Record()
if
(
HAL_OK
!=
HAL_DFSDM_FilterRegularStart_DMA
(
&
hAudioInDfsdmFilter
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC1
)
]
,
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC1
)
]
,
ScratchSize
)
)
stm32412g_discovery_audio.c:1046
BSP_AUDIO_IN_Record()
if
(
HAL_OK
!=
HAL_DFSDM_FilterRegularStart_DMA
(
&
hAudioInDfsdmFilter
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC2
)
]
,
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC2
)
]
,
ScratchSize
)
)
stm32412g_discovery_audio.c:1343
HAL_DFSDM_FilterRegConvCpltCallback()
hAudioIn
.
pRecBuf
[
AppBuffTrigger
]
=
(
uint16_t
)
(
SaturaLH
(
(
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC1
)
]
[
index
]
>
>
8
)
,
-
32760
,
32760
)
)
;
stm32412g_discovery_audio.c:1344
HAL_DFSDM_FilterRegConvCpltCallback()
hAudioIn
.
pRecBuf
[
AppBuffTrigger
+
1
]
=
(
uint16_t
)
(
SaturaLH
(
(
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC2
)
]
[
index
]
>
>
8
)
,
-
32760
,
32760
)
)
;
stm32412g_discovery_audio.c:1405
HAL_DFSDM_FilterRegConvHalfCpltCallback()
hAudioIn
.
pRecBuf
[
AppBuffTrigger
]
=
(
int16_t
)
(
SaturaLH
(
(
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC1
)
]
[
index
]
>
>
8
)
,
-
32760
,
32760
)
)
;
stm32412g_discovery_audio.c:1406
HAL_DFSDM_FilterRegConvHalfCpltCallback()
hAudioIn
.
pRecBuf
[
AppBuffTrigger
+
1
]
=
(
int16_t
)
(
SaturaLH
(
(
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC2
)
]
[
index
]
>
>
8
)
,
-
32760
,
32760
)
)
;
stm32412g_discovery_audio.c:1585
BSP_AUDIO_IN_Resume()
if
(
HAL_OK
!=
HAL_DFSDM_FilterRegularStart_DMA
(
&
hAudioInDfsdmFilter
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC2
)
]
,
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC2
)
]
,
ScratchSize
)
)
stm32412g_discovery_audio.c:1591
BSP_AUDIO_IN_Resume()
if
(
HAL_OK
!=
HAL_DFSDM_FilterRegularStart_DMA
(
&
hAudioInDfsdmFilter
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC1
)
]
,
pScratchBuff
[
POS_VAL
(
INPUT_DEVICE_DIGITAL_MIC1
)
]
,
ScratchSize
)
)
Data Use
Functions reading
pScratchBuff
pScratchBuff
BSP_AUDIO_IN_AllocScratch()
BSP_AUDIO_IN_Record()
HAL_DFSDM_FilterRegConvCpltCallback()
HAL_DFSDM_FilterRegConvHalfCpltCallback()
BSP_AUDIO_IN_Resume()
all items filtered out
Type of
pScratchBuff
pScratchBuff
int32_t
all items filtered out