laiyp/lib_xua
1
0
Fork 0
forked from PAWPAW-Mirror/lib_xua
Code Pull Requests Activity

Merge DEV_TDM -> master

Browse Source
This commit is contained in:
Ross Owen
2014-12-12 13:03:57 +00:00
parent 517fe9667c 4ab8cff9a4
commit 178f0c4580
6 changed files with 1145 additions and 386 deletions
Download Patch File Download Diff File Expand all files Collapse all files

617
module_usb_audio/audio.xc
View File

@@ -22,9 +22,13 @@
#include "commands.h"
#include "xc_ptr.h"
unsigned testsamples[100];
int p = 0;
unsigned lastSample = 0;
static unsigned samplesOut[NUM_USB_CHAN_OUT];
/* Two buffers for ADC data to allow for DAC and ADC ports being offset */
static unsigned samplesIn_0[NUM_USB_CHAN_IN];
static unsigned samplesIn_1[I2S_CHANS_ADC];
#if (DSD_CHANS_DAC != 0)
extern buffered out port:32 p_dsd_dac[DSD_CHANS_DAC];
extern buffered out port:32 p_dsd_clk;
@@ -32,11 +36,18 @@ extern buffered out port:32 p_dsd_clk;
unsigned g_adcVal = 0;
//#pragma xta command "analyse path i2s_output_l i2s_output_r"
//#pragma xta command "set required - 2000 ns"
#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 "analyse path i2s_output_r i2s_output_l"
//#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
/* I2S Data I/O*/
#if (I2S_CHANS_DAC != 0)
@@ -142,249 +153,13 @@ static inline void doI2SClocks(unsigned divide)
}
#endif
/* I2S delivery thread */
#pragma unsafe arrays
unsigned static deliver(chanend c_out, chanend ?c_spd_out, unsigned divide, unsigned curSamFreq,
#if(defined(SPDIF_RX) || defined(ADAT_RX))
chanend c_dig_rx,
#endif
chanend ?c_adc)
static inline unsigned DoSampleTransfer(chanend c_out, int readBuffNo, unsigned underflowWord)
{
#if (I2S_CHANS_ADC != 0) || defined(SPDIF)
unsigned sample;
#endif
unsigned underflow = 0;
#if NUM_USB_CHAN_OUT > 0
unsigned samplesOut[NUM_USB_CHAN_OUT];
#endif
#if NUM_USB_CHAN_IN > 0
unsigned samplesIn[NUM_USB_CHAN_IN];
unsigned samplesInPrev[NUM_USB_CHAN_IN];
#endif
unsigned tmp;
#if (I2S_CHANS_ADC != 0)
unsigned index;
#endif
#ifdef RAMP_CHECK
unsigned prev=0;
int started = 0;
#endif
unsigned command;
unsigned underflow;
#if (DSD_CHANS_DAC != 0)
unsigned dsdMarker = DSD_MARKER_2; /* This alternates between DSD_MARKER_1 and DSD_MARKER_2 */
int dsdCount = 0;
int everyOther = 1;
unsigned dsdSample_l = 0x96960000;
unsigned dsdSample_r = 0x96960000;
#endif
unsigned underflowWord = 0;
#if NUM_USB_CHAN_IN > 0
for (int i=0;i<NUM_USB_CHAN_IN;i++)
{
samplesIn[i] = 0;
samplesInPrev[i] = 0;
}
#endif
#if(DSD_CHANS_DAC != 0)
if(dsdMode == DSD_MODE_DOP)
underflowWord = 0xFA969600;
else if(dsdMode == DSD_MODE_NATIVE)
{
underflowWord = 0x96969696;
}
#endif
outuint(c_out, 0);
/* Check for sample freq change or new samples from mixer*/
if(testct(c_out))
{
unsigned command = inct(c_out);
#ifndef CODEC_MASTER
// Set clocks low
p_lrclk <: 0;
p_bclk <: 0;
#if(DSD_CHANS_DAC != 0)
/* DSD Clock might not be shared with lrclk or bclk... */
p_dsd_clk <: 0;
#endif
#endif
#if (DSD_CHANS_DAC > 0)
if(dsdMode == DSD_MODE_DOP)
dsdMode = DSD_MODE_OFF;
#endif
return command;
}
else
{
underflow = inuint(c_out);
#ifndef MIXER // Interfaces straight to decouple()
#if NUM_USB_CHAN_IN > 0
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_IN; i++)
{
outuint(c_out, samplesIn[i]);
}
#endif
#if NUM_USB_CHAN_OUT > 0
if(underflow)
{
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_OUT; i++)
{
samplesOut[i] = underflowWord;
}
}
else
{
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_OUT; i++)
{
samplesOut[i] = inuint(c_out);
}
}
#endif
#else /* ifndef MIXER */
#if NUM_USB_CHAN_OUT > 0
if(underflow)
{
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_OUT; i++)
{
samplesOut[i] = underflowWord;
}
}
else
{
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_OUT; i++)
{
int tmp = inuint(c_out);
samplesOut[i] = tmp;
}
}
#endif
#if NUM_USB_CHAN_IN > 0
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_IN; i++)
{
outuint(c_out, samplesIn[i]);
}
#endif
#endif
}
#ifndef CODEC_MASTER
#if (DSD_CHANS_DAC > 0)
if(dsdMode == DSD_MODE_OFF)
{
#endif
/* b_clk must start high */
p_bclk <: 0x80000000;
sync(p_bclk);
/* Clear I2S port buffers */
clearbuf(p_lrclk);
#if (I2S_CHANS_DAC != 0)
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
clearbuf(p_i2s_dac[i]);
}
#endif
#if (I2S_CHANS_ADC != 0)
for(int i = 0; i < I2S_WIRES_ADC; i++)
{
clearbuf(p_i2s_adc[i]);
}
#endif
if(divide == 1)
{
p_lrclk <: 0 @ tmp;
tmp += 100;
/* Since BCLK is free-running, setup outputs/inputs at a known point in the future */
#if (I2S_CHANS_DAC != 0)
#pragma loop unroll
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
p_i2s_dac[i] @ tmp <: 0;
}
#endif
p_lrclk @ tmp <: 0x7FFFFFFF;
#if (I2S_CHANS_ADC != 0)
for(int i = 0; i < I2S_WIRES_ADC; i++)
{
asm("setpt res[%0], %1"::"r"(p_i2s_adc[i]),"r"(tmp-1));
}
#endif
}
else
{
clearbuf(p_bclk);
#if (I2S_CHANS_DAC != 0)
/* Prefill the ports so data is input in advance */
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
p_i2s_dac[i] <: 0;
}
#endif
p_lrclk <: 0x7FFFFFFF;
doI2SClocks(divide);
}
#if (DSD_CHANS_DAC > 0)
} /* if (!dsdMode) */
else
{
/* p_dsd_clk must start high */
p_dsd_clk <: 0x80000000;
}
#endif
#else /* ifndef CODEC_MASTER */
/* Wait for LRCLK edge */
p_lrclk when pinseq(0) :> void;
p_lrclk when pinseq(1) :> void;
p_lrclk when pinseq(0) :> void;
p_lrclk when pinseq(1) :> void;
p_lrclk when pinseq(0) :> void @ tmp;
tmp+=97;
#if (I2S_CHANS_DAC != 0)
#pragma loop unroll
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
p_i2s_dac[i] @ tmp <: 0;
}
#endif
#if (I2S_CHANS_ADC != 0)
#pragma loop unroll
for(int i = 0; i < I2S_WIRES_ADC; i++)
{
asm("setpt res[%0], %1"::"r"(p_i2s_adc[i]),"r"(tmp+31));
}
#endif
/* TODO In master mode, the i/o loop assumes L/RCLK = 32bit clocks. We should check this every interation
* and resync if we got a bclk glitch */
#endif
/* Main Audio I/O loop */
while (1)
{
outuint(c_out, 0);
outuint(c_out, 0);
/* Check for sample freq change (or other command) or new samples from mixer*/
if(testct(c_out))
@@ -403,6 +178,7 @@ chanend ?c_adc)
if(dsdMode == DSD_MODE_DOP)
dsdMode = DSD_MODE_OFF;
#endif
#pragma xta endpoint "received_command"
return command;
}
@@ -457,17 +233,197 @@ chanend ?c_adc)
#endif
#if NUM_USB_CHAN_IN > 0
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_IN; i++)
for(int i = 0; i < I2S_CHANS_ADC; i++)
{
outuint(c_out, samplesIn[i]);
if(readBuffNo)
outuint(c_out, samplesIn_1[i]);
else
outuint(c_out, samplesIn_0[i]);
}
/* Send over the digi channels - no odd buffering required */
#pragma loop unroll
for(int i = I2S_CHANS_ADC; i < NUM_USB_CHAN_IN; i++)
{
outuint(c_out, samplesIn_0[i]);
}
#endif
#endif
}
return 0;
}
static inline void InitPorts(unsigned divide)
{
unsigned tmp;
#ifndef CODEC_MASTER
#if (DSD_CHANS_DAC > 0)
if(dsdMode == DSD_MODE_OFF)
{
#endif
/* b_clk must start high */
p_bclk <: 0x80000000;
sync(p_bclk);
/* Clear I2S port buffers */
clearbuf(p_lrclk);
#if (I2S_CHANS_DAC != 0)
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
clearbuf(p_i2s_dac[i]);
}
#endif
#if (I2S_CHANS_ADC != 0)
for(int i = 0; i < I2S_WIRES_ADC; i++)
{
clearbuf(p_i2s_adc[i]);
}
#endif
if(divide == 1)
{
#pragma xta endpoint "divide_1"
p_lrclk <: 0 @ tmp;
tmp += 100;
/* Since BCLK is free-running, setup outputs/inputs at a known point in the future */
#if (I2S_CHANS_DAC != 0)
#pragma loop unroll
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
p_i2s_dac[i] @ tmp <: 0;
}
#endif
p_lrclk @ tmp <: 0x7FFFFFFF;
tmp = 0;
#if (I2S_CHANS_ADC != 0)
for(int i = 0; i < I2S_WIRES_ADC; i++)
{
asm("setpt res[%0], %1"::"r"(p_i2s_adc[i]),"r"(tmp-1));
}
#endif
}
else /* Divide != 1 */
{
#if (I2S_CHANS_DAC != 0)
/* Pre-fill the DAC ports */
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
p_i2s_dac[i] <: 0;
}
#endif
/* Pre-fill the LR clock output port */
p_lrclk <: 0x0;
doI2SClocks(divide);
}
#if (DSD_CHANS_DAC > 0)
} /* if (!dsdMode) */
else
{
/* p_dsd_clk must start high */
p_dsd_clk <: 0x80000000;
}
#endif
#else /* ifndef CODEC_MASTER */
/* Wait for LRCLK edge */
p_lrclk when pinseq(0) :> void;
p_lrclk when pinseq(1) :> void;
p_lrclk when pinseq(0) :> void;
p_lrclk when pinseq(1) :> void;
p_lrclk when pinseq(0) :> void @ tmp;
tmp+=97;
#if (I2S_CHANS_DAC != 0)
#pragma loop unroll
for(int i = 0; i < I2S_WIRES_DAC; i++)
{
p_i2s_dac[i] @ tmp <: 0;
}
#endif
#if (I2S_CHANS_ADC != 0)
#pragma loop unroll
for(int i = 0; i < I2S_WIRES_ADC; i++)
{
asm("setpt res[%0], %1"::"r"(p_i2s_adc[i]),"r"(tmp+31));
}
#endif
#endif
}
/* I2S delivery thread */
#pragma unsafe arrays
unsigned static deliver(chanend c_out, chanend ?c_spd_out, unsigned divide, unsigned curSamFreq,
#if(defined(SPDIF_RX) || defined(ADAT_RX))
chanend c_dig_rx,
#endif
chanend ?c_adc)
{
#if (I2S_CHANS_ADC != 0) || defined(SPDIF)
unsigned sample;
#endif
unsigned underflow = 0;
#if NUM_USB_CHAN_OUT > 0
#endif
//#if NUM_USB_CHAN_IN > 0
/* Since DAC and ADC buffered ports off by one sample we buffer previous ADC frame */
unsigned readBuffNo = 0;
//#endif
unsigned tmp;
unsigned index;
#ifdef RAMP_CHECK
unsigned prev=0;
int started = 0;
#endif
#if (DSD_CHANS_DAC != 0)
unsigned dsdMarker = DSD_MARKER_2; /* This alternates between DSD_MARKER_1 and DSD_MARKER_2 */
int dsdCount = 0;
int everyOther = 1;
unsigned dsdSample_l = 0x96960000;
unsigned dsdSample_r = 0x96960000;
#endif
unsigned underflowWord = 0;
unsigned frameCount = 0;
#if(DSD_CHANS_DAC != 0)
if(dsdMode == DSD_MODE_DOP)
{
underflowWord = 0xFA969600;
}
else if(dsdMode == DSD_MODE_NATIVE)
{
underflowWord = 0x96969696;
}
#endif
#if 1
unsigned command = DoSampleTransfer(c_out, readBuffNo, underflowWord);
if(command)
{
return command;
}
#endif
InitPorts(divide);
/* TODO In master mode, the i/o loop assumes L/RCLK = 32bit clocks. We should check this every interation
* and resync if we got a bclk glitch */
/* Main Audio I/O loop */
while (1)
{
#if (DSD_CHANS_DAC != 0) && (NUM_USB_CHAN_OUT > 0)
if(dsdMode == DSD_MODE_NATIVE)
{
@@ -575,108 +531,132 @@ chanend ?c_adc)
else
#endif
{
#pragma xta endpoint "i2s_output_l"
#if (I2S_CHANS_DAC != 0) && (NUM_USB_CHAN_OUT != 0)
#pragma loop unroll
for(int i = 0; i < I2S_CHANS_DAC; i+=2)
{
p_i2s_dac[tmp++] <: bitrev(samplesOut[i]); /* Output LEFT sample to DAC */
}
#endif
#ifndef CODEC_MASTER
/* LR clock delayed by one clock, This is so MSB is output on the falling edge of BCLK
* after the falling edge on which LRCLK was toggled. (see I2S spec) */
/* Generate clocks LR Clock low - LEFT */
#ifdef I2S_MODE_TDM
p_lrclk <: 0x00000000;
#else
p_lrclk <: 0x80000000;
doI2SClocks(divide);
#endif
#endif
#pragma xta endpoint "i2s_output_l"
#if (I2S_CHANS_ADC != 0)
/* Input prevous R sample into R in buffer */
#if (I2S_CHANS_DAC != 0) && (NUM_USB_CHAN_OUT != 0)
index = 0;
#pragma loop unroll
for(int i = 1; i < I2S_CHANS_ADC; i += 2)
/* Output "even" channel to DAC (i.e. left) */
for(int i = 0; i < I2S_CHANS_DAC; i+=I2S_CHANS_PER_FRAME)
{
p_i2s_dac[index++] <: bitrev(samplesOut[(frameCount)+i]);
}
#endif
/* Clock out the LR Clock, the DAC data and Clock in the next sample into ADC */
doI2SClocks(divide);
#if (I2S_CHANS_ADC != 0)
/* Input previous L sample into L in buffer */
index = 0;
/* First input (i.e. frameCoint == 0) we read last ADC channel of previous frame.. */
unsigned buffIndex = frameCount ? !readBuffNo : readBuffNo;
#pragma loop unroll
/* First time around we get channel 7 of TDM8 */
for(int i = 0; i < I2S_CHANS_ADC; i+=I2S_CHANS_PER_FRAME)
{
// p_i2s_adc[index++] :> sample;
// Manual IN instruction since compiler generates an extra setc per IN (bug #15256)
asm volatile("in %0, res[%1]" : "=r"(sample) : "r"(p_i2s_adc[index++]));
#if NUM_USB_CHAN_IN > 0
samplesIn[i] = bitrev(sample);
/* Store the previous left in left */
samplesIn[i-1] = samplesInPrev[i];
#endif
asm volatile("in %0, res[%1]" : "=r"(sample) : "r"(p_i2s_adc[index++]));
/* Note the use of readBuffNo changes based on frameCount */
if(buffIndex)
samplesIn_1[((frameCount-1)&(I2S_CHANS_PER_FRAME-1))+i] = bitrev(sample); // channels 1, 3, 5.. on each line.
else
samplesIn_0[((frameCount-1)&(I2S_CHANS_PER_FRAME-1))+i] = bitrev(sample); // channels 1, 3, 5.. on each line.
}
#endif
if(frameCount == 0)
{
#if defined(SPDIF_RX) || defined(ADAT_RX)
/* Sync with clockgen */
inuint(c_dig_rx);
/* Sync with clockgen */
inuint(c_dig_rx);
/* Note, digi-data we just store in samplesIn_0 - we only double buffer the I2S input data */
#endif
#ifdef SPDIF_RX
asm("ldw %0, dp[g_digData]":"=r"(samplesIn[SPDIF_RX_INDEX + 0]));
asm("ldw %0, dp[g_digData+4]":"=r"(samplesIn[SPDIF_RX_INDEX + 1]));
asm("ldw %0, dp[g_digData]":"=r"(samplesIn_0[SPDIF_RX_INDEX + 0]));
asm("ldw %0, dp[g_digData+4]":"=r"(samplesIn_0[SPDIF_RX_INDEX + 1]));
#endif
#ifdef ADAT_RX
asm("ldw %0, dp[g_digData+8]":"=r"(samplesIn[ADAT_RX_INDEX]));
asm("ldw %0, dp[g_digData+12]":"=r"(samplesIn[ADAT_RX_INDEX + 1]));
asm("ldw %0, dp[g_digData+16]":"=r"(samplesIn[ADAT_RX_INDEX + 2]));
asm("ldw %0, dp[g_digData+20]":"=r"(samplesIn[ADAT_RX_INDEX + 3]));
asm("ldw %0, dp[g_digData+24]":"=r"(samplesIn[ADAT_RX_INDEX + 4]));
asm("ldw %0, dp[g_digData+28]":"=r"(samplesIn[ADAT_RX_INDEX + 5]));
asm("ldw %0, dp[g_digData+32]":"=r"(samplesIn[ADAT_RX_INDEX + 6]));
asm("ldw %0, dp[g_digData+36]":"=r"(samplesIn[ADAT_RX_INDEX + 7]));
asm("ldw %0, dp[g_digData+8]":"=r"(samplesIn_0[ADAT_RX_INDEX]));
asm("ldw %0, dp[g_digData+12]":"=r"(samplesIn_0[ADAT_RX_INDEX + 1]));
asm("ldw %0, dp[g_digData+16]":"=r"(samplesIn_0[ADAT_RX_INDEX + 2]));
asm("ldw %0, dp[g_digData+20]":"=r"(samplesIn_0[ADAT_RX_INDEX + 3]));
asm("ldw %0, dp[g_digData+24]":"=r"(samplesIn_0[ADAT_RX_INDEX + 4]));
asm("ldw %0, dp[g_digData+28]":"=r"(samplesIn_0[ADAT_RX_INDEX + 5]));
asm("ldw %0, dp[g_digData+32]":"=r"(samplesIn_0[ADAT_RX_INDEX + 6]));
asm("ldw %0, dp[g_digData+36]":"=r"(samplesIn_0[ADAT_RX_INDEX + 7]));
#endif
#if defined(SPDIF_RX) || defined(ADAT_RX)
/* Request digital data (with prefill) */
outuint(c_dig_rx, 0);
outuint(c_dig_rx, 0);
#endif
#if defined(SPDIF) && (NUM_USB_CHAN_OUT > 0)
outuint(c_spd_out, samplesOut[SPDIF_TX_INDEX]); /* Forward sample to S/PDIF Tx thread */
sample = samplesOut[SPDIF_TX_INDEX + 1];
outuint(c_spd_out, sample); /* Forward sample to S/PDIF Tx thread */
#endif
tmp = 0;
}
#ifndef CODEC_MASTER
#ifdef I2S_MODE_TDM
if(frameCount == (I2S_CHANS_PER_FRAME-2))
p_lrclk <: 0x80000000;
else
p_lrclk <: 0x00000000;
#else
p_lrclk <: 0x7FFFFFFF;
#endif
#endif
index = 0;
#pragma xta endpoint "i2s_output_r"
#if (I2S_CHANS_DAC != 0) && (NUM_USB_CHAN_OUT != 0)
/* Output "odd" channel to DAC (i.e. right) */
#pragma loop unroll
for(int i = 1; i < I2S_CHANS_DAC; i+=2)
for(int i = 1; i < I2S_CHANS_DAC; i+=I2S_CHANS_PER_FRAME)
{
p_i2s_dac[tmp++] <: bitrev(samplesOut[i]); /* Output RIGHT sample to DAC */
p_i2s_dac[index++] <: bitrev(samplesOut[frameCount+i]);
}
#endif
#ifndef CODEC_MASTER
/* Clock out data (and LR clock) */
p_lrclk <: 0x7FFFFFFF;
doI2SClocks(divide);
#endif
#if (I2S_CHANS_ADC != 0)
/* Input previous L ADC sample */
index = 0;
/* Channels 0, 2, 4.. on each line */
#pragma loop unroll
for(int i = 1; i < I2S_CHANS_ADC; i += 2)
for(int i = 0; i < I2S_CHANS_ADC; i += I2S_CHANS_PER_FRAME)
{
// p_i2s_adc[index++] :> sample;
// Manual IN instruction since compiler generates an extra setc per IN (bug #15256)
/* Manual IN instruction since compiler generates an extra setc per IN (bug #15256) */
asm volatile("in %0, res[%1]" : "=r"(sample) : "r"(p_i2s_adc[index++]));
#if NUM_USB_CHAN_IN > 0
samplesInPrev[i] = bitrev(sample);
#endif
if(readBuffNo)
samplesIn_0[frameCount+i] = bitrev(sample);
else
samplesIn_1[frameCount+i] = bitrev(sample);
}
#ifdef SU1_ADC_ENABLE
{
unsigned x;
x = inuint(c_adc);
inct(c_adc);
asm volatile("stw %0, dp[g_adcVal]"::"r"(x));
@@ -730,7 +710,34 @@ chanend ?c_adc)
}
}
#endif
#ifdef I2S_MODE_TDM
/* Increase frameCount by 2 since we have output two channels (per data line) */
frameCount+=2;
if(frameCount == I2S_CHANS_PER_FRAME)
#endif
{
/* Do samples transfer */
/* The below looks a bit odd but forces the compiler to inline twice */
unsigned command;
if(readBuffNo)
command = DoSampleTransfer(c_out, 1, underflowWord);
else
command = DoSampleTransfer(c_out, 0, underflowWord);
if(command)
{
return command;
}
/* Reset frame counter and flip the ADC buffer */
frameCount = 0;
readBuffNo = !readBuffNo;
}
}
#pragma xta endpoint "deliver_return"
return 0;
}
@@ -786,7 +793,6 @@ unsigned static dummy_deliver(chanend c_out)
#define NUMBER_WORDS ((NUMBER_SAMPLES * NUMBER_CHANNELS+1)/2)
#define SAMPLES_PER_PRINT 1
void audio(chanend c_mix_out,
#if (defined(ADAT_RX) || defined(SPDIF_RX))
chanend c_dig_rx,
@@ -873,8 +879,13 @@ chanend ?c_config, chanend ?c)
/* Calculate master clock to bit clock (or DSD clock) divide for current sample freq
* e.g. 11.289600 / (176400 * 64) = 1 */
{
#if I2S_MODE_TDM
/* I2S has 32 bits per sample. *8 as 8 channels */
unsigned numBits = 256;
#else
/* I2S has 32 bits per sample. *2 as 2 channels */
unsigned numBits = 64;
#endif
#if (DSD_CHANS_DAC > 0)
if(dsdMode == DSD_MODE_DOP)
@@ -888,7 +899,7 @@ chanend ?c_config, chanend ?c)
numBits = 32;
}
#endif
divide = mClk / ( curSamFreq * numBits );
divide = mClk / ( curSamFreq * numBits);
}

28
module_usb_audio/devicedefines.h
View File

@@ -76,8 +76,13 @@
#error I2S_CHANS_DAC not defined
#define I2S_CHANS_DAC 2 /* Define anyway for doxygen */
#else
#ifdef I2S_MODE_TDM
#define I2S_WIRES_DAC (I2S_CHANS_DAC >> 3)
#else
#define I2S_WIRES_DAC (I2S_CHANS_DAC >> 1)
#endif
#endif
/**
* @brief Number of I2S channels from ADC/CODEC. Must be a multiple of 2.
@@ -88,8 +93,27 @@
#error I2S_CHANS_ADC not defined
#define I2S_CHANS_ADC 2 /* Define anyway for doxygen */
#else
#ifdef I2S_MODE_TDM
#define I2S_WIRES_ADC (I2S_CHANS_ADC >> 3)
#else
#define I2S_WIRES_ADC (I2S_CHANS_ADC >> 1)
#endif
#endif
/**
* @brief Channels per I2S frame. *
*
* Default: 2 i.e standard stereo I2S (8 if using TDM i.e. I2S_MODE_TDM).
*
**/
#ifndef I2S_CHANS_PER_FRAME
#ifdef I2S_MODE_TDM
#define I2S_CHANS_PER_FRAME 8
#else
#define I2S_CHANS_PER_FRAME 2
#endif
#endif
/**
* @brief Max supported sample frequency for device (Hz). Default: 192000
@@ -975,7 +999,7 @@
#else
#if defined(MIXER)
// Enabled by default
#define OUT_VOLUME_IN_MIXER
//#define OUT_VOLUME_IN_MIXER
#endif
#endif
@@ -995,7 +1019,7 @@
#else
#if defined(MIXER)
/* Enabled by default */
#define IN_VOLUME_IN_MIXER
//#define IN_VOLUME_IN_MIXER
#endif
#endif

685
module_usb_audio/endpoint0/descriptors.h
View File

@@ -115,7 +115,50 @@ typedef struct
STR_TABLE_ENTRY(outputChanStr_18);
#endif
#if (NUM_USB_CHAN_OUT > 18)
#error NUM_USB_CHAN > 18
STR_TABLE_ENTRY(outputChanStr_19);
#endif
#if (NUM_USB_CHAN_OUT > 19)
STR_TABLE_ENTRY(outputChanStr_20);
#endif
#if (NUM_USB_CHAN_OUT > 20)
STR_TABLE_ENTRY(outputChanStr_21);
#endif
#if (NUM_USB_CHAN_OUT > 21)
STR_TABLE_ENTRY(outputChanStr_22);
#endif
#if (NUM_USB_CHAN_OUT > 22)
STR_TABLE_ENTRY(outputChanStr_23);
#endif
#if (NUM_USB_CHAN_OUT > 23)
STR_TABLE_ENTRY(outputChanStr_24);
#endif
#if (NUM_USB_CHAN_OUT > 24)
STR_TABLE_ENTRY(outputChanStr_25);
#endif
#if (NUM_USB_CHAN_OUT > 25)
STR_TABLE_ENTRY(outputChanStr_26);
#endif
#if (NUM_USB_CHAN_OUT > 26)
STR_TABLE_ENTRY(outputChanStr_27);
#endif
#if (NUM_USB_CHAN_OUT > 27)
STR_TABLE_ENTRY(outputChanStr_28);
#endif
#if (NUM_USB_CHAN_OUT > 28)
STR_TABLE_ENTRY(outputChanStr_29);
#endif
#if (NUM_USB_CHAN_OUT > 29)
STR_TABLE_ENTRY(outputChanStr_30);
#endif
#if (NUM_USB_CHAN_OUT > 30)
STR_TABLE_ENTRY(outputChanStr_31);
#endif
#if (NUM_USB_CHAN_OUT > 31)
STR_TABLE_ENTRY(outputChanStr_32);
#endif
#if (NUM_USB_CHAN_OUT > 32)
#error NUM_USB_CHAN > 32
#endif
#if (NUM_USB_CHAN_IN > 0)
@@ -173,7 +216,50 @@ typedef struct
STR_TABLE_ENTRY(inputChanStr_18);
#endif
#if (NUM_USB_CHAN_IN > 18)
#error NUM_USB_CHAN > 18
STR_TABLE_ENTRY(inputChanStr_19);
#endif
#if (NUM_USB_CHAN_IN > 19)
STR_TABLE_ENTRY(inputChanStr_20);
#endif
#if (NUM_USB_CHAN_IN > 20)
STR_TABLE_ENTRY(inputChanStr_21);
#endif
#if (NUM_USB_CHAN_IN > 21)
STR_TABLE_ENTRY(inputChanStr_22);
#endif
#if (NUM_USB_CHAN_IN > 22)
STR_TABLE_ENTRY(inputChanStr_23);
#endif
#if (NUM_USB_CHAN_IN > 23)
STR_TABLE_ENTRY(inputChanStr_24);
#endif
#if (NUM_USB_CHAN_IN > 24)
STR_TABLE_ENTRY(inputChanStr_25);
#endif
#if (NUM_USB_CHAN_IN > 25)
STR_TABLE_ENTRY(inputChanStr_26);
#endif
#if (NUM_USB_CHAN_IN > 26)
STR_TABLE_ENTRY(inputChanStr_27);
#endif
#if (NUM_USB_CHAN_IN > 27)
STR_TABLE_ENTRY(inputChanStr_28);
#endif
#if (NUM_USB_CHAN_IN > 28)
STR_TABLE_ENTRY(inputChanStr_29);
#endif
#if (NUM_USB_CHAN_IN > 29)
STR_TABLE_ENTRY(inputChanStr_30);
#endif
#if (NUM_USB_CHAN_IN > 30)
STR_TABLE_ENTRY(inputChanStr_31);
#endif
#if (NUM_USB_CHAN_IN > 31)
STR_TABLE_ENTRY(inputChanStr_32);
#endif
#if (NUM_USB_CHAN_IN > 32)
#error NUM_USB_CHAN > 32
#endif
#if defined(MIXER) && (MAX_MIX_COUNT > 0)
@@ -557,7 +643,259 @@ StringDescTable_t g_strTable =
#endif
#if (NUM_USB_CHAN_OUT > 18)
#error NUM_USB_CHAN_OUT > 18
#if defined(SPDIF) && (SPDIF_TX_INDEX == 18)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_19 = "Analogue 19/SPDIF 1",
#else
.outputChanStr_19 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 17)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_19 = "Analogue 19/SPDIF 2",
#else
.outputChanStr_19 = "S/PDIF 2",
#endif
#else
.outputChanStr_19 = "Analogue 19",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 19)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 19)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_20 = "Analogue 20/SPDIF 1",
#else
.outputChanStr_20 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 18)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_20 = "Analogue 20/SPDIF 2",
#else
.outputChanStr_20 = "S/PDIF 2",
#endif
#else
.outputChanStr_20 = "Analogue 20",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 20)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 20)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_21 = "Analogue 21/SPDIF 1",
#else
.outputChanStr_21 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 19)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_21 = "Analogue 21/SPDIF 2",
#else
.outputChanStr_21 = "S/PDIF 2",
#endif
#else
.outputChanStr_21 = "Analogue 21",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 21)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 21)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_22 = "Analogue 22/SPDIF 1",
#else
.outputChanStr_22 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 20)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_22 = "Analogue 22/SPDIF 2",
#else
.outputChanStr_22 = "S/PDIF 2",
#endif
#else
.outputChanStr_22 = "Analogue 22",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 22)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 22)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_23 = "Analogue 23/SPDIF 1",
#else
.outputChanStr_23 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 21)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_23 = "Analogue 23/SPDIF 2",
#else
.outputChanStr_23 = "S/PDIF 2",
#endif
#else
.outputChanStr_23 = "Analogue 23",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 23)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 23)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_24 = "Analogue 24/SPDIF 1",
#else
.outputChanStr_24 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 22)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_24 = "Analogue 24/SPDIF 2",
#else
.outputChanStr_24 = "S/PDIF 2",
#endif
#else
.outputChanStr_24 = "Analogue 24",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 24)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 24)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_25 = "Analogue 25/SPDIF 1",
#else
.outputChanStr_25 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 23)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_25 = "Analogue 25/SPDIF 2",
#else
.outputChanStr_25 = "S/PDIF 2",
#endif
#else
.outputChanStr_25 = "Analogue 25",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 25)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 25)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_26 = "Analogue 26/SPDIF 1",
#else
.outputChanStr_26 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 24)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_26 = "Analogue 26/SPDIF 2",
#else
.outputChanStr_26 = "S/PDIF 2",
#endif
#else
.outputChanStr_26 = "Analogue 26",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 26)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 26)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_27 = "Analogue 27/SPDIF 1",
#else
.outputChanStr_27 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 25)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_27 = "Analogue 27/SPDIF 2",
#else
.outputChanStr_27 = "S/PDIF 2",
#endif
#else
.outputChanStr_27 = "Analogue 27",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 27)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 28)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_28 = "Analogue 28/SPDIF 1",
#else
.outputChanStr_28 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 27)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_28 = "Analogue 28/SPDIF 2",
#else
.outputChanStr_28 = "S/PDIF 2",
#endif
#else
.outputChanStr_28 = "Analogue 28",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 28)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 29)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_29 = "Analogue 29/SPDIF 1",
#else
.outputChanStr_29 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 28)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_29 = "Analogue 29/SPDIF 2",
#else
.outputChanStr_29 = "S/PDIF 2",
#endif
#else
.outputChanStr_29 = "Analogue 29",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 29)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 30)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_30 = "Analogue 30/SPDIF 1",
#else
.outputChanStr_30 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 29)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_30 = "Analogue 30/SPDIF 2",
#else
.outputChanStr_30 = "S/PDIF 2",
#endif
#else
.outputChanStr_30 = "Analogue 30",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 30)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 31)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_31 = "Analogue 31/SPDIF 1",
#else
.outputChanStr_31 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 30)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_31 = "Analogue 31/SPDIF 2",
#else
.outputChanStr_31 = "S/PDIF 2",
#endif
#else
.outputChanStr_31 = "Analogue 31",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 31)
#if defined(SPDIF) && (SPDIF_TX_INDEX == 32)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_32 = "Analogue 32/SPDIF 1",
#else
.outputChanStr_32 = "S/PDIF 1",
#endif
#elif defined(SPDIF) && (SPDIF_TX_INDEX == 32)
#if(SPDIF_TX_INDEX < I2S_CHANS_DAC)
.outputChanStr_32 = "Analogue 32/SPDIF 2",
#else
.outputChanStr_32 = "S/PDIF 2",
#endif
#else
.outputChanStr_32 = "Analogue 32",
#endif
#endif
#if (NUM_USB_CHAN_OUT > 32)
#error NUM_USB_CHAN > 32
#endif
/*** INPUT CHANNEL STRINGS ***/
@@ -880,7 +1218,257 @@ StringDescTable_t g_strTable =
#endif
#if (NUM_USB_CHAN_IN > 18)
#error NUM_USB_CHAN_IN > 18
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 18)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_19 = "Analogue 19/SPDIF 1",
#else
.inputChanStr_19 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 17)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_19 = "Analogue 19/SPDIF 2",
#else
.inputChanStr_19 = "S/PDIF 2",
#endif
#else
.inputChanStr_19 = "Analogue 19",
#endif
#endif
#if (NUM_USB_CHAN_IN > 19)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 19)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_20 = "Analogue 20/SPDIF 1",
#else
.inputChanStr_20 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 18)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_20 = "Analogue 20/SPDIF 2",
#else
.inputChanStr_20 = "S/PDIF 2",
#endif
#else
.inputChanStr_20 = "Analogue 20",
#endif
#endif
#if (NUM_USB_CHAN_IN > 20)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 20)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_21 = "Analogue 21/SPDIF 1",
#else
.inputChanStr_21 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 19)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_21 = "Analogue 21/SPDIF 2",
#else
.inputChanStr_21 = "S/PDIF 2",
#endif
#else
.inputChanStr_21 = "Analogue 21",
#endif
#endif
#if (NUM_USB_CHAN_IN > 21)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 21)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_22 = "Analogue 22/SPDIF 1",
#else
.inputChanStr_22 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 20)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_22 = "Analogue 22/SPDIF 2",
#else
.inputChanStr_22 = "S/PDIF 2",
#endif
#else
.inputChanStr_22 = "Analogue 22",
#endif
#endif
#if (NUM_USB_CHAN_IN > 22)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 22)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_23 = "Analogue 23/SPDIF 1",
#else
.inputChanStr_23 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 21)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_23 = "Analogue 23/SPDIF 2",
#else
.inputChanStr_23 = "S/PDIF 2",
#endif
#else
.inputChanStr_23 = "Analogue 23",
#endif
#endif
#if (NUM_USB_CHAN_IN > 23)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 23)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_24 = "Analogue 24/SPDIF 1",
#else
.inputChanStr_24 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 22)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_24 = "Analogue 24/SPDIF 2",
#else
.inputChanStr_24 = "S/PDIF 2",
#endif
#else
.inputChanStr_24 = "Analogue 24",
#endif
#endif
#if (NUM_USB_CHAN_IN > 24)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 24)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_25 = "Analogue 25/SPDIF 1",
#else
.inputChanStr_25 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 23)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_25 = "Analogue 25/SPDIF 2",
#else
.inputChanStr_25 = "S/PDIF 2",
#endif
#else
.inputChanStr_25 = "Analogue 25",
#endif
#endif
#if (NUM_USB_CHAN_IN > 25)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 25)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_26 = "Analogue 26/SPDIF 1",
#else
.inputChanStr_26 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 24)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_26 = "Analogue 26/SPDIF 2",
#else
.inputChanStr_26 = "S/PDIF 2",
#endif
#else
.inputChanStr_26 = "Analogue 26",
#endif
#endif
#if (NUM_USB_CHAN_IN > 26)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 26)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_27 = "Analogue 27/SPDIF 1",
#else
.inputChanStr_27 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 25)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_27 = "Analogue 27/SPDIF 2",
#else
.inputChanStr_27 = "S/PDIF 2",
#endif
#else
.inputChanStr_27 = "Analogue 27",
#endif
#endif
#if (NUM_USB_CHAN_IN > 27)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 27)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_28 = "Analogue 28/SPDIF 1",
#else
.inputChanStr_28 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 26)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_28 = "Analogue 28/SPDIF 2",
#else
.inputChanStr_28 = "S/PDIF 2",
#endif
#else
.inputChanStr_28 = "Analogue 28",
#endif
#endif
#if (NUM_USB_CHAN_IN > 28)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 28)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_29 = "Analogue 29/SPDIF 1",
#else
.inputChanStr_29 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 27)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_29 = "Analogue 29/SPDIF 2",
#else
.inputChanStr_29 = "S/PDIF 2",
#endif
#else
.inputChanStr_29 = "Analogue 29",
#endif
#endif
#if (NUM_USB_CHAN_IN > 29)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 29)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_30 = "Analogue 30/SPDIF 1",
#else
.inputChanStr_30 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 28)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_30 = "Analogue 30/SPDIF 2",
#else
.inputChanStr_30 = "S/PDIF 2",
#endif
#else
.inputChanStr_30 = "Analogue 30",
#endif
#endif
#if (NUM_USB_CHAN_IN > 30)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 30)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_31 = "Analogue 31/SPDIF 1",
#else
.inputChanStr_31 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 29)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_31 = "Analogue 31/SPDIF 2",
#else
.inputChanStr_31 = "S/PDIF 2",
#endif
#else
.inputChanStr_31 = "Analogue 31",
#endif
#endif
#if (NUM_USB_CHAN_IN > 31)
#if defined(SPDIF_RX) && (SPDIF_RX_INDEX == 31)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_32 = "Analogue 32/SPDIF 1",
#else
.inputChanStr_32 = "S/PDIF 1",
#endif
#elif defined(SPDIF_RX) && (SPDIF_RX_INDEX == 30)
#if(SPDIF_RX_INDEX < I2S_CHANS_ADC)
.inputChanStr_32 = "Analogue 32/SPDIF 2",
#else
.inputChanStr_32 = "S/PDIF 2",
#endif
#else
.inputChanStr_32 = "Analogue 32",
#endif
#endif
#if (NUM_USB_CHAN_IN > 32)
#error NUM_USB_CHAN_IN > 32
#endif
#if defined(MIXER) && (MAX_MIX_COUNT > 0)
@@ -1600,7 +2188,50 @@ USB_Config_Descriptor_Audio2_t cfgDesc_Audio2=
0x0000000F, /* bmaControls(18) */
#endif
#if (NUM_USB_CHAN_OUT > 18)
#error NUM_USB_CHAN_OUT > 18
0x0000000F, /* bmaControls(19) */
#endif
#if (NUM_USB_CHAN_OUT > 19)
0x0000000F, /* bmaControls(20) */
#endif
#if (NUM_USB_CHAN_OUT > 20)
0x0000000F, /* bmaControls(21) */
#endif
#if (NUM_USB_CHAN_OUT > 21)
0x0000000F, /* bmaControls(22) */
#endif
#if (NUM_USB_CHAN_OUT > 22)
0x0000000F, /* bmaControls(23) */
#endif
#if (NUM_USB_CHAN_OUT > 23)
0x0000000F, /* bmaControls(24) */
#endif
#if (NUM_USB_CHAN_OUT > 24)
0x0000000F, /* bmaControls(25) */
#endif
#if (NUM_USB_CHAN_OUT > 25)
0x0000000F, /* bmaControls(26) */
#endif
#if (NUM_USB_CHAN_OUT > 26)
0x0000000F, /* bmaControls(27) */
#endif
#if (NUM_USB_CHAN_OUT > 27)
0x0000000F, /* bmaControls(28) */
#endif
#if (NUM_USB_CHAN_OUT > 28)
0x0000000F, /* bmaControls(29) */
#endif
#if (NUM_USB_CHAN_OUT > 29)
0x0000000F, /* bmaControls(30) */
#endif
#if (NUM_USB_CHAN_OUT > 30)
0x0000000F, /* bmaControls(31) */
#endif
#if (NUM_USB_CHAN_OUT > 31)
0x0000000F, /* bmaControls(32) */
#endif
#if (NUM_USB_CHAN_OUT > 32)
#error NUM_USB_CHAN_OUT > 32
#endif
},
0, /* 60 iFeature */
@@ -1733,7 +2364,49 @@ USB_Config_Descriptor_Audio2_t cfgDesc_Audio2=
0x0000000F, /* bmaControls(18) */
#endif
#if (NUM_USB_CHAN_IN > 18)
#error NUM_USB_CHAN_IN > 18
0x0000000F, /* bmaControls(19) */
#endif
#if (NUM_USB_CHAN_IN > 19)
0x0000000F, /* bmaControls(20) */
#endif
#if (NUM_USB_CHAN_IN > 20)
0x0000000F, /* bmaControls(21) */
#endif
#if (NUM_USB_CHAN_IN > 21)
0x0000000F, /* bmaControls(22) */
#endif
#if (NUM_USB_CHAN_IN > 22)
0x0000000F, /* bmaControls(23) */
#endif
#if (NUM_USB_CHAN_IN > 23)
0x0000000F, /* bmaControls(24) */
#endif
#if (NUM_USB_CHAN_IN > 24)
0x0000000F, /* bmaControls(25) */
#endif
#if (NUM_USB_CHAN_IN > 25)
0x0000000F, /* bmaControls(26) */
#endif
#if (NUM_USB_CHAN_IN > 26)
0x0000000F, /* bmaControls(27) */
#endif
#if (NUM_USB_CHAN_IN > 27)
0x0000000F, /* bmaControls(28) */
#endif
#if (NUM_USB_CHAN_IN > 28)
0x0000000F, /* bmaControls(29) */
#endif
#if (NUM_USB_CHAN_IN > 29)
0x0000000F, /* bmaControls(30) */
#endif
#if (NUM_USB_CHAN_IN > 30)
0x0000000F, /* bmaControls(31) */
#endif
#if (NUM_USB_CHAN_IN > 31)
0x0000000F, /* bmaControls(32) */
#endif
#if (NUM_USB_CHAN_IN > 32)
#error NUM_USB_CHAN_IN > 32
#endif
},
0, /* 60 iFeature */

190
module_usb_audio/mixer/mixer.xc
View File

@@ -17,10 +17,10 @@
static unsigned int multOut_array[NUM_USB_CHAN_OUT + 1];
static xc_ptr multOut;
//#endif
#ifdef IN_VOLUME_IN_MIXER
//#ifdef IN_VOLUME_IN_MIXER
static unsigned int multIn_array[NUM_USB_CHAN_IN + 1];
static xc_ptr multIn;
#endif
//#endif
#if defined (LEVEL_METER_LEDS) || defined (LEVEL_METER_HOST)
static unsigned abs(int x)
@@ -36,8 +36,12 @@ static unsigned abs(int x)
}
#endif
int samples_array[NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + MAX_MIX_COUNT + 1]; /* One larger for an "off" channel for mixer sources" */
xc_ptr samples;
static int samples_array[NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + MAX_MIX_COUNT + 1]; /* One larger for an "off" channel for mixer sources" */
unsafe
{
static int volatile * const unsafe ptr_samples = samples_array;
}
int savedsamples2[NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + MAX_MIX_COUNT];
@@ -155,7 +159,7 @@ static inline int doMix(xc_ptr samples, xc_ptr ptr, xc_ptr mult)
#endif
#pragma unsafe arrays
static inline void giveSamplesToHost(chanend c, xc_ptr samples, xc_ptr ptr, xc_ptr multIn)
static inline void GiveSamplesToHost(chanend c, xc_ptr ptr, xc_ptr multIn)
{
#if defined(IN_VOLUME_IN_MIXER) && defined(IN_VOLUME_AFTER_MIX)
int mult;
@@ -164,12 +168,21 @@ static inline void giveSamplesToHost(chanend c, xc_ptr samples, xc_ptr ptr, xc_p
#endif
#pragma loop unroll
for (int i=0;i<NUM_USB_CHAN_IN;i++)
{
for (int i=0; i<NUM_USB_CHAN_IN; i++)
{
int sample;
int index;
#if MAX_MIX_COUNT > 0
read_via_xc_ptr_indexed(index,ptr,i);
read_via_xc_ptr_indexed(sample,samples,index);
#else
index = i + NUM_USB_CHAN_OUT;
#endif
unsafe
{
//read_via_xc_ptr_indexed(sample,samples,index);
sample = ptr_samples[index];
}
#if defined(IN_VOLUME_IN_MIXER) && defined(IN_VOLUME_AFTER_MIX)
#warning IN Vols in mixer, AFTER mix & map
@@ -183,93 +196,108 @@ static inline void giveSamplesToHost(chanend c, xc_ptr samples, xc_ptr ptr, xc_p
#else
outuint(c,sample);
#endif
}
}
}
#pragma unsafe arrays
static inline void getSamplesFromHost(chanend c, xc_ptr samples, int base, unsigned underflow)
static inline void GetSamplesFromHost(chanend c, unsigned underflow)
{
if(!underflow)
{
#pragma loop unroll
for (int i=0;i<NUM_USB_CHAN_OUT;i++)
{
int sample, x;
for (int i=0; i<NUM_USB_CHAN_OUT; i++)
unsafe {
int sample, x;
#if defined(OUT_VOLUME_IN_MIXER) && !defined(OUT_VOLUME_AFTER_MIX)
int mult;
int h;
unsigned l;
int mult;
int h;
unsigned l;
#endif
/* Receive sample from decouple */
sample = inuint(c);
/* Receive sample from decouple */
sample = inuint(c);
#if defined (LEVEL_METER_HOST) || defined(LEVEL_METER_LEDS)
/* Compute peak level data */
x = abs(sample);
if(x > samples_from_host_streams[i])
{
samples_from_host_streams[i] = x;
}
/* Compute peak level data */
x = abs(sample);
if(x > samples_from_host_streams[i])
{
samples_from_host_streams[i] = x;
}
#endif
#if defined(OUT_VOLUME_IN_MIXER) && !defined(OUT_VOLUME_AFTER_MIX)
#warning OUT Vols in mixer, BEFORE mix & map
read_via_xc_ptr_indexed(mult, multOut, i);
{h, l} = macs(mult, sample, 0, 0);
h<<=3;
read_via_xc_ptr_indexed(mult, multOut, i);
{h, l} = macs(mult, sample, 0, 0);
h<<=3;
#if (STREAM_FORMAT_OUTPUT_RESOLUTION_32BIT_USED == 1)
h |= (l >>29)& 0x7; // Note: This step is not required if we assume sample depth is 24bit (rather than 32bit)
h |= (l >>29)& 0x7; // Note: This step is not required if we assume sample depth is 24bit (rather than 32bit)
// Note: We need all 32bits for Native DSD
#endif
write_via_xc_ptr_indexed(multOut, index, val);
write_via_xc_ptr_indexed(samples,base+i,h);
write_via_xc_ptr_indexed(multOut, index, val);
write_via_xc_ptr_indexed(samples, i, h);
#else
write_via_xc_ptr_indexed(samples,base+i,sample);
ptr_samples[i] = sample;
#endif
} }
}
}
}
#pragma unsafe arrays
static inline void giveSamplesToDevice(chanend c, xc_ptr samples, xc_ptr ptr, xc_ptr multOut, unsigned underflow)
static inline void GiveSamplesToDevice(chanend c, xc_ptr ptr, xc_ptr multOut, unsigned underflow)
{
outuint(c, underflow);
if(!underflow)
{
#pragma loop unroll
for (int i=0;i<NUM_USB_CHAN_OUT;i++)
{
int sample,x;
for (int i=0; i<NUM_USB_CHAN_OUT; i++)
{
int sample, x;
#if defined(OUT_VOLUME_IN_MIXER) && defined(OUT_VOLUME_AFTER_MIX)
int mult;
int h;
unsigned l;
int mult;
int h;
unsigned l;
#endif
int index;
#if MAX_MIX_COUNT > 0
/* If mixer turned on sort out the channel mapping */
/* Read pointer to sample from the map */
read_via_xc_ptr_indexed(index, ptr, i);
/* Read the actual sample value */
read_via_xc_ptr_indexed(sample, samples, index);
#else
unsafe
{
/* Read the actual sample value */
sample = ptr_samples[i];
}
#endif
int index;
read_via_xc_ptr_indexed(index, ptr, i);
read_via_xc_ptr_indexed(sample, samples, index)
#if defined(OUT_VOLUME_IN_MIXER) && defined(OUT_VOLUME_AFTER_MIX)
/* Do volume control processing */
#warning OUT Vols in mixer, AFTER mix & map
read_via_xc_ptr_indexed(mult, multOut, i);
{h, l} = macs(mult, sample, 0, 0);
h<<=3; // Shift used to be done in audio thread but now done here incase of 32bit support
read_via_xc_ptr_indexed(mult, multOut, i);
{h, l} = macs(mult, sample, 0, 0);
h<<=3; // Shift used to be done in audio thread but now done here incase of 32bit support
#error
#if (STREAM_FORMAT_OUTPUT_RESOLUTION_32BIT_USED == 1)
h |= (l >>29)& 0x7; // Note: This step is not required if we assume sample depth is 24bit (rather than 32bit)
h |= (l >>29)& 0x7; // Note: This step is not required if we assume sample depth is 24bit (rather than 32bit)
// Note: We need all 32bits for Native DSD
#endif
outuint(c, h);
outuint(c, h);
#else
outuint(c, sample);
outuint(c, sample);
#endif
}
}
}
}
#pragma unsafe arrays
static inline void getSamplesFromDevice(chanend c, xc_ptr samples, int base)
static inline void GetSamplesFromDevice(chanend c)
{
#if defined(IN_VOLUME_IN_MIXER) && !defined(IN_VOLUME_AFTER_MIX)
int mult;
@@ -299,13 +327,20 @@ static inline void getSamplesFromDevice(chanend c, xc_ptr samples, int base)
#endif
#if defined(IN_VOLUME_IN_MIXER) && !defined(IN_VOLUME_AFTER_MIX)
/* Read relevant multiplier */
read_via_xc_ptr_indexed(mult, multIn, i);
/* Do the multiply */
{h, l} = macs(mult, sample, 0, 0);
h <<=3;
write_via_xc_ptr_indexed(samples,base+i,h);
write_via_xc_ptr_indexed(samples, NUM_USB_CHAN_OUT+i, h);
#else
write_via_xc_ptr_indexed(samples,base+i,sample);
#endif
/* No volume processing */
unsafe
{
ptr_samples[NUM_USB_CHAN_OUT + i] = sample;
}
#endif
}
}
@@ -319,15 +354,20 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
#endif
unsigned cmd;
unsigned underflow = 1;
while (1)
{
#pragma xta endpoint "mixer1_req"
/* Request from audio() */
inuint(c_mixer2);
GiveSamplesToDevice(c_mixer2, samples_to_device_map, multOut, underflow);
GetSamplesFromDevice(c_mixer2);
/* Request data from decouple thread */
outuint(c_host, 0);
/* Between request to decouple and respose ~ 400nS latency for interrupt to fire */
select
{
@@ -377,7 +417,6 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
#endif
break;
#endif /* if MAX_MIX_COUNT > 0 */
#ifdef IN_VOLUME_IN_MIXER
case SET_MIX_IN_VOL:
index = inuint(c_mix_ctl);
@@ -464,6 +503,9 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
sampFreq = inuint(c_host);
mixer1_mix2_flag = sampFreq > 96000;
/* Wait for request */
inuint(c_mixer2);
/* Inform mixer2 (or audio()) about freq change */
outct(c_mixer2, command);
outuint(c_mixer2, sampFreq);
@@ -471,7 +513,11 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
case SET_STREAM_FORMAT_OUT:
case SET_STREAM_FORMAT_IN:
/* Inform mixer2 (or audio()) about format change */
/* Wait for request */
inuint(c_mixer2);
/* Inform mixer2 (or audio()) about format change */
outct(c_mixer2, command);
outuint(c_mixer2, inuint(c_host));
outuint(c_mixer2, inuint(c_host));
@@ -482,9 +528,14 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
}
#pragma loop unroll
/* Reset the mix values back to 0 */
for (int i=0;i<MAX_MIX_COUNT;i++)
{
write_via_xc_ptr_indexed(samples, (NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + i), 0);
//write_via_xc_ptr_indexed(samples, (NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + i), 0);
unsafe
{
ptr_samples[NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + i] = 0;
}
}
/* Wait for handshake and pass on */
@@ -493,10 +544,10 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
}
else
{
unsigned underflow = inuint(c_host);
underflow = inuint(c_host);
#if MAX_MIX_COUNT > 0
outuint(c_mixer2, underflow);
giveSamplesToHost(c_host, samples, samples_to_host_map, multIn);
GiveSamplesToHost(c_host, samples, samples_to_host_map, multIn);
outuint(c_mixer2, 0);
inuint(c_mixer2);
@@ -560,10 +611,9 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
}
#else /* IF MAX_MIX_COUNT > 0 */
/* No mixes, this thread runs on its own doing just volume */
giveSamplesToDevice(c_mixer2, samples, samples_to_device_map, multOut, underflow);
getSamplesFromDevice(c_mixer2, samples, NUM_USB_CHAN_OUT);
giveSamplesToHost(c_host, samples, samples_to_host_map, multIn);
getSamplesFromHost(c_host, samples, 0, underflow);
GiveSamplesToHost(c_host, samples_to_host_map, multIn);
GetSamplesFromHost(c_host, underflow);
#endif
}
}
@@ -707,7 +757,8 @@ void mixer(chanend c_mix_in, chanend c_mix_out, chanend c_mix_ctl)
#endif
multOut = array_to_xc_ptr((multOut_array,unsigned[]));
multIn = array_to_xc_ptr((multIn_array,unsigned[]));
samples = array_to_xc_ptr((samples_array,unsigned[]));
//samples = array_to_xc_ptr((samples_array,unsigned[]));
samples_to_host_map = array_to_xc_ptr((samples_to_host_map_array,unsigned[]));
samples_to_device_map = array_to_xc_ptr((samples_to_device_map_array,unsigned[]));
@@ -725,8 +776,9 @@ void mixer(chanend c_mix_in, chanend c_mix_out, chanend c_mix_ctl)
#endif
for (int i=0;i<NUM_USB_CHAN_OUT + NUM_USB_CHAN_IN + MAX_MIX_COUNT;i++)
{
write_via_xc_ptr_indexed(samples,i,0);
unsafe {
//write_via_xc_ptr_indexed(samples,i,0);
ptr_samples[i] = 0;
}
{

4
module_usb_audio/module_build_info
View File

@@ -18,15 +18,15 @@
#
# $(call SET_XCC_C_FLAGS, mydir1 mydir2, $(XCC_FLAGS) -g -O3)
# You can change the flags of an individual file by setting the
# XCC_FLAGS_[filename] variable. e.g.
#
# XCC_FLAGS_myfile.xc = $(XCC_FLAGS) -fsubword-select
# You can exclude particular files from the build even if they occur
# within SOURCE_DIRS by adding the file name (with no path) to the
# EXCLUDE_FILES variable e..g
#
EXCLUDE_FILES += descriptors_2.rst
MODULE_XCC_FLAGS += $(XCC_FLAGS) -falways-inline

7
module_usb_audio/usb_buffer/xc_ptr.h
View File

@@ -9,12 +9,11 @@ typedef unsigned int xc_ptr;
// the xc_ptr)
inline xc_ptr array_to_xc_ptr(const unsigned a[])
{
xc_ptr x;
asm("mov %0, %1":"=r"(x):"r"(a));
return x;
xc_ptr x;
asm("mov %0, %1":"=r"(x):"r"(a));
return x;
}
#define write_via_xc_ptr_indexed(p,i,x) asm volatile("stw %0, %1[%2]"::"r"(x),"r"(p),"r"(i))
#define write_byte_via_xc_ptr_indexed(p,i,x) asm volatile("st8 %0, %1[%2]"::"r"(x),"r"(p),"r"(i))
#define write_byte_via_xc_ptr_indexed(p,i,x) asm volatile("st8 %0, %1[%2]"::"r"(x),"r"(p),"r"(i))