int
main()
{
init_clara();
C(PrepareAcquisition());
int i;
for(i=0;;i++){
C(StartAcquisition());
capture_clara();
}
C(AbortAcquisition());
C(FreeInternalMemory());
uninit_clara();
return 0;
}
WBPMDetect1::~WBPMDetect1()
{
FreeInternalMemory();
}
int WBPMDetect1::AllocateInternalMemory()
{
c_Amplitudes = (BPM_DETECT1_REAL*) malloc(BPM_DETECT_FFT_POINTS1 / 2 * sizeof(BPM_DETECT1_REAL));
c_Samples = (BPM_DETECT1_REAL*) malloc(BPM_DETECT_FFT_POINTS1 * sizeof(BPM_DETECT1_REAL));
c_pflWindow = (BPM_DETECT1_REAL*) malloc(BPM_DETECT_FFT_POINTS1 * sizeof(BPM_DETECT1_REAL));
c_pnIp = (int*) malloc( ( 2 + (int) sqrt((BPM_DETECT1_REAL) BPM_DETECT_FFT_POINTS1 / 2.0) ) * sizeof(int));
c_pflw = (BPM_DETECT1_REAL*) malloc(BPM_DETECT_FFT_POINTS1 / 2 * sizeof(BPM_DETECT1_REAL));
c_pnOffset = (unsigned int*) malloc((BPM_DETECT_MAX_BPM + BPM_DETECT_MAX_MARGIN + 2) * sizeof(unsigned int));
if(c_Amplitudes == 0 || c_Samples == 0 || c_pflWindow == 0 || c_pnIp == 0 || c_pflw == 0 || c_pnOffset == 0)
{
FreeInternalMemory();
return 0;
}
c_pnIp[0] = 0;
c_pSubBand = (SUBBAND1*) malloc(BPM_NUMBER_OF_SUBBANDS * sizeof(SUBBAND1));
if(c_pSubBand == 0)
{
FreeInternalMemory();
return 0;
}
memset(c_pSubBand, 0, BPM_NUMBER_OF_SUBBANDS * sizeof(SUBBAND1));
unsigned int i;
for(i = 0; i < BPM_NUMBER_OF_SUBBANDS; i++)
{
c_pSubBand[i].Buffer = (BPM_DETECT1_REAL*) malloc(c_nBufferSize * sizeof(BPM_DETECT1_REAL));
if(c_pSubBand[i].Buffer == 0)
{
FreeInternalMemory();
return 0;
}
memset(c_pSubBand[i].Buffer, 0, c_nBufferSize * sizeof(BPM_DETECT1_REAL));
c_pSubBand[i].BPMHistoryHit = (unsigned int*) malloc((BPM_DETECT_MAX_BPM + 2) * sizeof(unsigned int));
if(c_pSubBand[i].BPMHistoryHit == 0)
{
FreeInternalMemory();
return 0;
}
}
// create COSINE window
double n;
double N = (double) BPM_DETECT_FFT_POINTS1;
double pi = PI;
for(i = 0; i < BPM_DETECT_FFT_POINTS1; i++)
{
n = (double) i;
c_pflWindow[i] = (BPM_DETECT1_REAL) ( sin( (pi * n) / (N - 1.0)) );
}
c_fReady = 1;
return 1;
}
