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cmDspPgm.c : Added _cmDspSysPgm_Goertzel.

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kevin 2013-11-24 10:42:24 -05:00
parent f1be9f433d
commit ab1161d138
1 changed files with 51 additions and 0 deletions
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51
dsp/cmDspPgm.c
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@ -2450,9 +2450,60 @@ cmDspRC_t _cmDspSysPgm_AvailCh( cmDspSysH_t h, void** userPtrPtr )
} }
cmDspRC_t _cmDspSysPgm_Goertzel( cmDspSysH_t h, void** userPtrPtr )
{
cmDspRC_t rc;
const unsigned chCnt = 3;
double dfltHz = 19000;
double fcHzV[] = { 18000, dfltHz, 20000 };
unsigned sigGenMode = 2; // sine
double sigGenGain = 0.9;
cmDspInst_t* ain = cmDspSysAllocAudioIn( h, 0, 1.0);
cmDspInst_t* amtr = cmDspSysAllocInst( h, "AMeter", NULL, 0 );
cmDspInst_t* goer = cmDspSysAllocInst( h, "Goertzel", NULL, 2, chCnt, fcHzV );
cmDspInst_t** mtr = cmDspSysAllocInstArray(h, chCnt,"Meter", "Mtr", NULL, 3, 0.0, 0.0, 1.0 );
cmDspInst_t* sg = cmDspSysAllocInst( h, "SigGen", NULL, 2, dfltHz, sigGenMode, sigGenGain, 0 );
cmDspInst_t* ao0 = cmDspSysAllocAudioOut( h, 0, 1.0);
cmDspInst_t* ao1 = cmDspSysAllocAudioOut( h, 0, 1.0);
cmDspInst_t* hz = cmDspSysAllocScalar( h, "hz",0.0, 22000.0, 100.0, dfltHz );
cmDspInst_t* ogain= cmDspSysAllocScalar( h, "ogain", 0.0, 3.0, 0.01, 1.0 );
cmDspInst_t* igain= cmDspSysAllocScalar( h, "igain", 0.0, 3.0, 0.01, 1.0 );
cmDspInst_t* prnt = cmDspSysAllocInst( h,"Printer", NULL, 1, ">" );
// check for allocation errors
if((rc = cmDspSysLastRC(h)) != kOkDspRC )
goto errLabel;
cmDspSysConnectAudio(h,ain,"out", goer, "in" );
cmDspSysConnectAudio(h,ain,"out", amtr, "in" );
cmDspSysConnectAudio(h,sg,"out", ao0, "in" );
cmDspSysConnectAudio(h,sg,"out", ao1, "in" );
cmDspSysInstallCb( h, hz, "val", sg, "hz", NULL);
cmDspSysInstallCb( h, ogain, "val", ao0, "gain", NULL);
cmDspSysInstallCb( h, ogain, "val", ao1, "gain", NULL);
cmDspSysInstallCb( h, igain, "val", ain, "gain", NULL);
cmDspSysInstallCb(h,goer,"out-0", mtr[0], "in",NULL);
cmDspSysInstallCb(h,goer,"out-1", mtr[1], "in",NULL);
cmDspSysInstallCb(h,goer,"out-2", mtr[2], "in",NULL);
//cmDspSysInstallCb(h,goer,"out-1", prnt, "in",NULL);
errLabel:
return rc;
}
_cmDspSysPgm_t _cmDspSysPgmArray[] = _cmDspSysPgm_t _cmDspSysPgmArray[] =
{ {
{ "time_line", _cmDspSysPgm_TimeLine, NULL, NULL }, { "time_line", _cmDspSysPgm_TimeLine, NULL, NULL },
{ "goertzel", _cmDspSysPgm_Goertzel, NULL, NULL },
{ "kr_live", _cmDspSysPgm_KrLive, NULL, NULL }, { "kr_live", _cmDspSysPgm_KrLive, NULL, NULL },
{ "main", _cmDspSysPgm_Main, NULL, NULL }, { "main", _cmDspSysPgm_Main, NULL, NULL },
{ "array", _cmDspSysPgm_Array, NULL, NULL }, { "array", _cmDspSysPgm_Array, NULL, NULL },