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PDM/Mic code can now handle rate changes.

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This commit is contained in:
Ross Owen
2015-11-11 14:10:21 +00:00
parent b5c0ddaaf8
commit ee40514079
2 changed files with 55 additions and 33 deletions
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14
module_usb_audio/audio.xc
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@@ -698,7 +698,8 @@ unsigned static deliver(chanend c_out, chanend ?c_spd_out,
#endif
#if (NUM_PDM_MICS > 0)
/* Get samples from PDM->PCM comverter */
/* Get samples from PDM->PCM comverter */
c_pdm_pcm <: 1;
#pragma loop unroll
for(int i = 0; i < NUM_PDM_MICS; i++)
{
@@ -1180,6 +1181,10 @@ chanend ?c_config, chanend ?c
outuint(c_spdif_out, mClk);
#endif
#if NUM_PDM_MICS > 0
/* Send decimation factor to PDM task(s) */
c_pdm_in <: curSamFreq;
#endif
#ifdef ADAT_TX
// Configure ADAT parameters ...
@@ -1256,9 +1261,14 @@ chanend ?c_config, chanend ?c
}
}
#ifdef SPDIF_TX
/* Notify S/PDIF thread of impending new freq... */
/* Notify S/PDIF task of impending new freq... */
outct(c_spdif_out, XS1_CT_END);
#endif
#if NUM_PDM_MICS > 0
c_pdm_in <: 0;
#endif
#ifdef ADAT_TX
#ifdef ADAT_TX_USE_SHARED_BUFF
/* Take out-standing handshake from ADAT core */