Home
last modified time | relevance | path

Searched refs:OldIn (Results 1 – 2 of 2) sorted by relevance

/hal_st-2.7.6/audio/microphone/
DOpenPDMFilter.c179 Param->OldOut = Param->OldIn = Param->OldZ = 0; in Open_PDM_Filter_Init()
225 int64_t OldOut, OldIn, OldZ; in Open_PDM_Filter_64() local
228 OldIn = Param->OldIn; in Open_PDM_Filter_64()
250 OldOut = (Param->HP_ALFA * (OldOut + Z - OldIn)) >> 8; in Open_PDM_Filter_64()
251 OldIn = Z; in Open_PDM_Filter_64()
263 Param->OldIn = OldIn; in Open_PDM_Filter_64()
273 int64_t OldOut, OldIn, OldZ; in Open_PDM_Filter_128() local
276 OldIn = Param->OldIn; in Open_PDM_Filter_128()
298 OldOut = (Param->HP_ALFA * (OldOut + Z - OldIn)) >> 8; in Open_PDM_Filter_128()
299 OldIn = Z; in Open_PDM_Filter_128()
[all …]
DOpenPDMFilter.h78 int64_t OldOut, OldIn, OldZ; member