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Fixed issue with when XUA_I2S_N_BITS !=32 and CODEC_MASTER == 1

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This commit is contained in:
Ross Owen
2023-06-06 19:13:25 +01:00
parent e24bbe42eb
commit a5922ce3ea
3 changed files with 3 additions and 4 deletions
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4
lib_xua/src/core/audiohub/audiohub_initport.xc
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@@ -107,7 +107,7 @@ void InitPorts_slave(buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DI
p_lrclk when pinseq(0) :> void @ tmp; p_lrclk when pinseq(0) :> void @ tmp;
#endif #endif
tmp += (I2S_CHANS_PER_FRAME * XUA_I2S_N_BITS) - XUA_I2S_N_BITS + 1 ; tmp += ((I2S_CHANS_PER_FRAME * XUA_I2S_N_BITS) - XUA_I2S_N_BITS + 1) ;
/* E.g. 2 * 32 - 32 + 1 = 33 for stereo */ /* E.g. 2 * 32 - 32 + 1 = 33 for stereo */
/* E.g. 8 * 32 - 32 + 1 = 225 for 8 chan TDM */ /* E.g. 8 * 32 - 32 + 1 = 225 for 8 chan TDM */
@@ -118,7 +118,7 @@ void InitPorts_slave(buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DI
if(XUA_I2S_N_BITS == 32) if(XUA_I2S_N_BITS == 32)
p_i2s_dac[i] @ tmp <: 0; p_i2s_dac[i] @ tmp <: 0;
else else
partout_timed(p_i2s_dac[i], XUA_I2S_N_BITS, 0, tmp-1); partout_timed(p_i2s_dac[i], XUA_I2S_N_BITS, 0, tmp);
} }
#endif #endif

1
tests/test_i2s_loopback/main.xc
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@@ -9,7 +9,6 @@
#define DEBUG_UNIT MAIN #define DEBUG_UNIT MAIN
#include "debug_print.h" #include "debug_print.h"
/* Port declarations. Note, the defines come from the xn file */ /* Port declarations. Note, the defines come from the xn file */
#if I2S_WIRES_DAC > 0 #if I2S_WIRES_DAC > 0
on tile[AUDIO_IO_TILE] : buffered out port:32 p_i2s_dac[I2S_WIRES_DAC] = on tile[AUDIO_IO_TILE] : buffered out port:32 p_i2s_dac[I2S_WIRES_DAC] =

2
tests/test_i2s_loopback/simulation.xc
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@@ -41,7 +41,7 @@ extern out port p_lrclk_gen;
extern clock clk_audio_lrclk_gen; extern clock clk_audio_lrclk_gen;
void slave_mode_clk_setup(const unsigned samFreq, const unsigned chans_per_frame){ void slave_mode_clk_setup(const unsigned samFreq, const unsigned chans_per_frame){
const unsigned data_bits = 32; const unsigned data_bits = XUA_I2S_N_BITS;
const unsigned mclk_freq = 24576000; const unsigned mclk_freq = 24576000;
const unsigned mclk_bclk_ratio = mclk_freq / (chans_per_frame * samFreq * data_bits); const unsigned mclk_bclk_ratio = mclk_freq / (chans_per_frame * samFreq * data_bits);