Vergil_Wong/lib_xua
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Audio sample buffers now magic value of 32. Was NUM_USB_CHAN_OUT/IN which causes issues if USB chan count < audio IF count.

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This commit is contained in:
Ross Owen
2016-04-21 18:40:37 +01:00
parent f3819eeee3
commit aee3851f4c
1 changed files with 5 additions and 6 deletions
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11
module_usb_audio/audio_io/audio_io.xc
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@@ -36,18 +36,17 @@
#include "xua_dsp.h"
#endif
static unsigned samplesOut[NUM_USB_CHAN_OUT];
/* TODO 32 is max expected channels */
static unsigned samplesOut[32];
/* Two buffers for ADC data to allow for DAC and ADC ports being offset */
static unsigned samplesIn[2][NUM_USB_CHAN_IN];
static unsigned samplesIn[2][32];
#if (DSD_CHANS_DAC != 0)
extern buffered out port:32 p_dsd_dac[DSD_CHANS_DAC];
extern buffered out port:32 p_dsd_clk;
#endif
unsigned g_adcVal = 0;
#ifdef XTA_TIMING_AUDIO
#pragma xta command "add exclusion received_command"
#pragma xta command "analyse path i2s_output_l i2s_output_r"
@@ -280,7 +279,7 @@ static inline unsigned DoSampleTransfer(chanend c_out, const int readBuffNo, con
#pragma loop unroll
for(int i = 0; i < NUM_USB_CHAN_IN; i++)
{
outuint(c_out, samplesIn[readBuffNo][i]);
outuint(c_out, samplesIn[readBuffNo][i]);
}
#endif
}
@@ -423,7 +422,7 @@ static inline void InitPorts(unsigned divide)
}
/* I2S delivery thread */
#pragma unsafe arrays
//#pragma unsafe arrays
unsigned static deliver(chanend c_out, chanend ?c_spd_out,
#ifdef ADAT_TX
chanend c_adat_out,