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Moved I2S_UPSAMPLE_FACTOR_OUT default to devicedefines.h from the

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top of audio_io.xc.
This commit is contained in:
louis
2017-01-27 10:29:43 +00:00
parent 195f1a3611
commit 2a28119513
2 changed files with 13 additions and 4 deletions
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4
module_usb_audio/audio_io/audio_io.xc
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@@ -57,10 +57,6 @@ static unsigned samplesIn[2][MAX(NUM_USB_CHAN_IN, IN_CHAN_COUNT)];
#undef SPDIF_RX #undef SPDIF_RX
#endif #endif
#ifndef I2S_UPSAMPLE_FACTOR_OUT
#define I2S_UPSAMPLE_FACTOR_OUT (1)
#endif
static int inDownsamplingCounter = 0; static int inDownsamplingCounter = 0;
static int outUpsamplingCounter = 0; static int outUpsamplingCounter = 0;
#if (I2S_DOWNSAMPLE_FACTOR_IN > 1) || (I2S_UPSAMPLE_FACTOR_OUT > 1) #if (I2S_DOWNSAMPLE_FACTOR_IN > 1) || (I2S_UPSAMPLE_FACTOR_OUT > 1)

13
module_usb_audio/devicedefines.h
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@@ -134,6 +134,19 @@
#endif #endif
#endif #endif
/**
* @brief Outgoing I2S (host to device) channels can be upsampled by a factor of 3.
*
* Default: 1 i.e. upsampling is disabled.
*/
#ifndef I2S_UPSAMPLE_FACTOR_OUT
#define I2S_UPSAMPLE_FACTOR_OUT (1)
#else
#if (I2S_UPSAMPLE_FACTOR_OUT != 3) && (I2S_UPSAMPLE_FACTOR_OUT != 1)
#error Unsupported I2S input upsampling configuration
#endif
#endif
/** /**
* @brief Only downsample one channel per input I2S frame. * @brief Only downsample one channel per input I2S frame.
* *