Commit b217e608 authored by Ryan McClelland's avatar Ryan McClelland Committed by Erwan Gouriou
Browse files

fix open_pdfm_filter_init double promotion 



floating point constants were defined as doubles. change them to
single-percision point to prevent double promotion of the whole
thing.

Signed-off-by: default avatarRyan McClelland <ryanmcclelland@meta.com>
parent 5948f7b3

README

+5 −0
Original line number Diff line number Diff line
@@ -6,3 +6,8 @@ Available libs: 
      allows to drive the vl53l0x sensor

      full information can be found here : http://www.st.com/en/embedded-software/stsw-img005.html

  *...



Patch List:



   *Fix double-promotion warnings

    -audio/microphone/OpenPDMFilter.c modified

audio/microphone/OpenPDMFilter.c

+2 −2
Original line number Diff line number Diff line
@@ -177,8 +177,8 @@ void Open_PDM_Filter_Init(TPDMFilter_InitStruct *Param) 
  }



  Param->OldOut = Param->OldIn = Param->OldZ = 0;

  Param->LP_ALFA = (Param->LP_HZ != 0 ? (uint16_t) (Param->LP_HZ * 256 / (Param->LP_HZ + Param->Fs / (2 * 3.14159))) : 0);

  Param->HP_ALFA = (Param->HP_HZ != 0 ? (uint16_t) (Param->Fs * 256 / (2 * 3.14159 * Param->HP_HZ + Param->Fs)) : 0);

  Param->LP_ALFA = (Param->LP_HZ != 0 ? (uint16_t) (Param->LP_HZ * 256 / (Param->LP_HZ + Param->Fs / (2 * 3.14159f))) : 0);

  Param->HP_ALFA = (Param->HP_HZ != 0 ? (uint16_t) (Param->Fs * 256 / (2 * 3.14159f * Param->HP_HZ + Param->Fs)) : 0);



  Param->FilterLen = decimation * SINCN;       

  sinc[0] = 0;

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