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First cut TDM implementation added

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This commit is contained in:
Ross Owen
2014-11-07 12:24:16 +00:00
parent dc84486239
commit 925ecc631b
3 changed files with 247 additions and 13 deletions
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10
module_usb_audio/devicedefines.h
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@@ -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 +93,13 @@
#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 Max supported sample frequency for device (Hz). Default: 192000