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Improve I2S up & down-sampling ratio naming clarity

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Sam Chesney
2017-02-24 11:23:06 +00:00
parent a96c65cb9f
commit e0b1711f8f
3 changed files with 46 additions and 46 deletions
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12
module_usb_audio/devicedefines.h
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@@ -122,16 +122,16 @@
#endif
/**
* @brief Ratio of the USB Audio sample rate to the I2S sample rate. Up and
* @brief Ratio of the I2S sample rate to the USB Audio sample rate. Up and
* down-sampling will be enabled as necessary when the rates differ.
*
* Default: 1 i.e. USB Audio and I2S are running at the same sample rate.
* Default: 1 i.e. I2S and USB Audio are running at the same sample rate.
*/
#ifndef USB_TO_AUD_RATIO
#define USB_TO_AUD_RATIO (1)
#ifndef AUD_TO_USB_RATIO
#define AUD_TO_USB_RATIO (1)
#else
#if (USB_TO_AUD_RATIO != 3) && (USB_TO_AUD_RATIO != 1)
#error Unsupported USB Audio to I2S sample rate ratio
#if (AUD_TO_USB_RATIO != 3) && (AUD_TO_USB_RATIO != 1)
#error Unsupported I2S to USB Audio sample rate ratio
#endif
#endif