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Fixed operation when N_BITS_I2S define and small tidies

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This commit is contained in:
Ross Owen
2023-06-02 16:37:43 +01:00
parent 1b50abb7a2
commit 5d886487fa
2 changed files with 19 additions and 26 deletions
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4
lib_xua/src/core/audiohub/audiohub_initport.xc
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@@ -12,7 +12,7 @@ extern buffered out port:32 p_dsd_clk;
extern unsigned dsdMode;
#if !CODEC_MASTER
void InitPorts_master(unsigned divide, buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DIR port:32 p_bclk, buffered out port:32 (&?p_i2s_dac)[I2S_WIRES_DAC], buffered in port:32 (&?p_i2s_adc)[I2S_WIRES_ADC])
void InitPorts_master(buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DIR port:32 p_bclk, buffered out port:32 (&?p_i2s_dac)[I2S_WIRES_DAC], buffered in port:32 (&?p_i2s_adc)[I2S_WIRES_ADC])
{
#if (DSD_CHANS_DAC > 0)
if(dsdMode == DSD_MODE_OFF)
@@ -92,7 +92,7 @@ void InitPorts_master(unsigned divide, buffered _XUA_CLK_DIR port:32 p_lrclk, bu
#endif
}
#else
void InitPorts_slave(unsigned divide, buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DIR port:32 p_bclk, buffered out port:32 (&?p_i2s_dac)[I2S_WIRES_DAC], buffered in port:32 (&?p_i2s_adc)[I2S_WIRES_ADC])
void InitPorts_slave(buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DIR port:32 p_bclk, buffered out port:32 (&?p_i2s_dac)[I2S_WIRES_DAC], buffered in port:32 (&?p_i2s_adc)[I2S_WIRES_ADC])
{
#if (I2S_CHANS_ADC != 0 || I2S_CHANS_DAC != 0)
unsigned tmp;

41
lib_xua/src/core/audiohub/xua_audiohub.xc
View File

@@ -52,19 +52,6 @@ unsigned samplesOut[MAX(NUM_USB_CHAN_OUT, I2S_CHANS_DAC)];
unsigned samplesIn[2][MAX(NUM_USB_CHAN_IN, IN_CHAN_COUNT)];
#ifdef XTA_TIMING_AUDIO
#pragma xta command "add exclusion received_command"
#pragma xta command "analyse path i2s_output_l i2s_output_r"
#pragma xta command "set required - 2000 ns"
#pragma xta command "add exclusion received_command"
#pragma xta command "add exclusion received_underflow"
#pragma xta command "add exclusion divide_1"
#pragma xta command "add exclusion deliver_return"
#pragma xta command "analyse path i2s_output_r i2s_output_l"
#pragma xta command "set required - 2000 ns"
#endif
#if (XUA_ADAT_TX_EN)
extern buffered out port:32 p_adat_tx;
#endif
@@ -78,7 +65,7 @@ void InitPorts_slave
#else
void InitPorts_master
#endif
(unsigned divide, buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DIR port:32 p_bclk, buffered out port:32 (&?p_i2s_dac)[I2S_WIRES_DAC],
(buffered _XUA_CLK_DIR port:32 p_lrclk, buffered _XUA_CLK_DIR port:32 p_bclk, buffered out port:32 (&?p_i2s_dac)[I2S_WIRES_DAC],
buffered in port:32 (&?p_i2s_adc)[I2S_WIRES_ADC]);
@@ -160,18 +147,21 @@ static inline int HandleSampleClock(int frameCount, buffered _XUA_CLK_DIR port:3
else
{
if(frameCount == 0)
{
#ifdef N_BITS_I2S
partout(p_lrclk, N_BITS_I2S, 0x80000000 >> (32 - N_BITS_I2S));
#else
p_lrclk <: 0x80000000;
#endif
}
else
{
#ifdef N_BITS_I2S
partout(p_lrclk, N_BITS_I2S, 0x7fffffff >> (32 - N_BITS_I2S));
#else
p_lrclk <: 0x7fffffff;
#endif
}
}
return 0;
@@ -290,9 +280,9 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
if ((I2S_CHANS_DAC > 0 || I2S_CHANS_ADC > 0))
{
#if CODEC_MASTER
InitPorts_slave(divide, p_lrclk, p_bclk, p_i2s_dac, p_i2s_adc);
InitPorts_slave(p_lrclk, p_bclk, p_i2s_dac, p_i2s_adc);
#else
InitPorts_master(divide, p_lrclk, p_bclk, p_i2s_dac, p_i2s_adc);
InitPorts_master(p_lrclk, p_bclk, p_i2s_dac, p_i2s_adc);
#endif
}
@@ -326,13 +316,16 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
// p_i2s_adc[index++] :> sample;
// Manual IN instruction since compiler generates an extra setc per IN (bug #15256)
unsigned sample;
asm volatile("in %0, res[%1]" : "=r"(sample) : "r"(p_i2s_adc[index++]));
asm volatile("in %0, res[%1]" : "=r"(sample) : "r"(p_i2s_adc[index]));
#ifdef N_BITS_I2S
set_port_shift_count(p_i2s_adc[i], N_BITS_I2S);
set_port_shift_count(p_i2s_adc[index], N_BITS_I2S);
sample = bitrev(sample) << (32 - N_BITS_I2S);
#else
sample = bitrev(sample);
#endif
index++;
int chanIndex = ((frameCount-2)&(I2S_CHANS_PER_FRAME-1))+i; // channels 0, 2, 4.. on each line.
#if (AUD_TO_USB_RATIO > 1)
@@ -385,7 +378,7 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
src_ff3v_fir_coefs[2-audioToUsbRatioCounter]);
}
#endif /* (AUD_TO_USB_RATIO > 1) */
#ifdef N_BITS_I2SN
#ifdef N_BITS_I2S
partout(p_i2s_dac[index++], N_BITS_I2S, bitrev(samplesOut[frameCount +i]));
#else
p_i2s_dac[index++] <: bitrev(samplesOut[frameCount +i]);
@@ -463,14 +456,16 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
{
/* Manual IN instruction since compiler generates an extra setc per IN (bug #15256) */
unsigned sample;
asm volatile("in %0, res[%1]" : "=r"(sample) : "r"(p_i2s_adc[index++]));
asm volatile("in %0, res[%1]" : "=r"(sample) : "r"(p_i2s_adc[index]));
#ifdef N_BITS_I2S
set_port_shift_count(p_i2s_adc[i], N_BITS_I2S);
set_port_shift_count(p_i2s_adc[index], N_BITS_I2S);
sample = bitrev(sample) << (32 - N_BITS_I2S);
#else
sample = bitrev(sample);
#endif
index++;
int chanIndex = ((frameCount-2)&(I2S_CHANS_PER_FRAME-1))+i; // channels 1, 3, 5.. on each line.
#if (AUD_TO_USB_RATIO > 1 && !I2S_DOWNSAMPLE_MONO_IN)
if ((AUD_TO_USB_RATIO - 1) == audioToUsbRatioCounter)
@@ -502,7 +497,6 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
#endif
index = 0;
#pragma xta endpoint "i2s_output_r"
#if (I2S_CHANS_DAC != 0)
/* Output "odd" channel to DAC (i.e. right) */
#pragma loop unroll
@@ -580,7 +574,6 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
}
}
}
#pragma xta endpoint "deliver_return"
return 0;
}