pScratchBuff is only used within STM32412G-Discovery.
 
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pScratchBuff variable

References

LocationReferrerText
stm32412g_discovery_audio.c:169
int32_t *pScratchBuff[DEFAULT_AUDIO_IN_CHANNEL_NBR];
stm32412g_discovery_audio.c:1017BSP_AUDIO_IN_AllocScratch()
pScratchBuff[idx] = (int32_t *)(pScratch + idx * ScratchSize);
stm32412g_discovery_audio.c:1040BSP_AUDIO_IN_Record()
stm32412g_discovery_audio.c:1046BSP_AUDIO_IN_Record()
stm32412g_discovery_audio.c:1343HAL_DFSDM_FilterRegConvCpltCallback()
hAudioIn.pRecBuf[AppBuffTrigger] = (uint16_t)(SaturaLH((pScratchBuff[POS_VAL(INPUT_DEVICE_DIGITAL_MIC1)][index] >> 8), -32760, 32760));
stm32412g_discovery_audio.c:1344HAL_DFSDM_FilterRegConvCpltCallback()
hAudioIn.pRecBuf[AppBuffTrigger + 1] = (uint16_t)(SaturaLH((pScratchBuff[POS_VAL(INPUT_DEVICE_DIGITAL_MIC2)][index] >> 8), -32760, 32760));
stm32412g_discovery_audio.c:1405HAL_DFSDM_FilterRegConvHalfCpltCallback()
hAudioIn.pRecBuf[AppBuffTrigger] = (int16_t)(SaturaLH((pScratchBuff[POS_VAL(INPUT_DEVICE_DIGITAL_MIC1)][index] >> 8), -32760, 32760));
stm32412g_discovery_audio.c:1406HAL_DFSDM_FilterRegConvHalfCpltCallback()
hAudioIn.pRecBuf[AppBuffTrigger + 1] = (int16_t)(SaturaLH((pScratchBuff[POS_VAL(INPUT_DEVICE_DIGITAL_MIC2)][index] >> 8), -32760, 32760));
stm32412g_discovery_audio.c:1585BSP_AUDIO_IN_Resume()
stm32412g_discovery_audio.c:1591BSP_AUDIO_IN_Resume()

Data Use

Type of pScratchBuff
pScratchBuff
int32_t
all items filtered out