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Add clock divider checks and remove debug prints

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This commit is contained in:
Ed Clarke
2019-05-01 10:58:15 +01:00
parent dd21ed0a84
commit d9de1f0322
1 changed files with 11 additions and 4 deletions
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15
lib_xua/src/core/audiohub/xua_audiohub.xc
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@@ -14,7 +14,8 @@
#include <xclib.h> #include <xclib.h>
#include <xs1_su.h> #include <xs1_su.h>
#include <string.h> #include <string.h>
#include <print.h> #include <xassert.h>
#include "xua.h" #include "xua.h"
@@ -185,7 +186,6 @@ static inline int HandleSampleClock(int frameCount, buffered _XUA_CLK_DIR port:3
if ((lrval & lrval_mask) != 0x80000000) if ((lrval & lrval_mask) != 0x80000000)
{ {
syncError = 1; syncError = 1;
printhexln(lrval);
} }
} }
else else
@@ -193,7 +193,6 @@ static inline int HandleSampleClock(int frameCount, buffered _XUA_CLK_DIR port:3
if ((lrval | (~lrval_mask)) != 0x7FFFFFFF) if ((lrval | (~lrval_mask)) != 0x7FFFFFFF)
{ {
syncError = 1; syncError = 1;
printhexln(lrval);
} }
} }
} }
@@ -794,7 +793,15 @@ void XUA_AudioHub(chanend ?c_aud, clock ?clk_audio_mclk, clock ?clk_audio_bclk,
#endif #endif
divide = mClk / ( curSamFreq * numBits); divide = mClk / ( curSamFreq * numBits);
/* TODO; we should catch and handle the case when divide is 0. Currently design will lock up */ //Do some checks
xassert((divide > 0) && "Error: divider is 0, BCLK rate unachievable");
unsigned remainder = mClk % ( curSamFreq * numBits);
xassert((!remainder) && "Error: MCLK not divisible into BCLK by an integer number");
unsigned divider_is_odd = divide & 0x1;
xassert((!divider_is_odd) && "Error: divider is odd, clockblock cannot produce desired BCLK");
} }