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Support SMUX in clockgen software PLL updates

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Daniel Pieczko
2024-05-02 16:30:00 +01:00
parent 8c4043fd4c
commit a9762e048a
2 changed files with 10 additions and 2 deletions
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1
CHANGELOG.rst
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@@ -5,6 +5,7 @@ UNRELEASED
---------- ----------
* FIXED: Device fails to enumerate when ADAT and S/PDIF transmit are enabled * FIXED: Device fails to enumerate when ADAT and S/PDIF transmit are enabled
* FIXED: Update software PLL at the correct rate for ADAT SMUX
* CHANGED: Enable only the minimum number of ADAT input formats based for the * CHANGED: Enable only the minimum number of ADAT input formats based for the
supported sample frequencies supported sample frequencies

11
lib_xua/src/core/clocking/clockgen.xc
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@@ -723,7 +723,14 @@ void clockGen ( streaming chanend ?c_spdif_rx,
} }
} }
} }
if(adatChannel == 4 || adatChannel == 8)
/* An edge needs to be recorded/toggled in the following cases:
* smux = 0: adatChannel = 4, 8
* smux = 1: adatChannel = 2, 4, 6, 8
* smux = 2: adatChannel = 1, 2, 3, 4, 5, 6, 7, 8
* This is simplified to a shift-and-mask in the if-condition below.
*/
if ((adatChannel != 0) && ((adatChannel << smux) & 3) == 0)
{ {
adatCounters.samples += 1; adatCounters.samples += 1;
@@ -764,7 +771,7 @@ void clockGen ( streaming chanend ?c_spdif_rx,
adatChannel = 0; adatChannel = 0;
} }
break; break;
#endif #endif // XUA_ADAT_RX_EN
#if (XUA_SPDIF_RX_EN || XUA_ADAT_RX_EN) #if (XUA_SPDIF_RX_EN || XUA_ADAT_RX_EN)
/* AudioHub requests data */ /* AudioHub requests data */