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

I2S_CHANS_PER_FRAME and I2S_WIRES_xxx tidy

Browse Source
This commit is contained in:
Ross Owen
2015-06-03 11:36:01 +01:00
parent 7777d74359
commit a5f2c4c9f4
1 changed files with 18 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
module_usb_audio/devicedefines.h
View File

@@ -74,40 +74,6 @@
#define DSD_CHANS_DAC 0
#endif
/**
* @brief Number of IS2 channesl to DAC/CODEC. Must be a multiple of 2.
*
* Default: NONE (Must be defined by app)
*/
#ifndef I2S_CHANS_DAC
#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.
*
* Default: NONE (Must be defined by app)
*/
#ifndef I2S_CHANS_ADC
#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. *
*
@@ -122,6 +88,33 @@
#endif
#endif
/**
* @brief Number of IS2 channesl to DAC/CODEC. Must be a multiple of 2.
*
* Default: NONE (Must be defined by app)
*/
#ifndef I2S_CHANS_DAC
#error I2S_CHANS_DAC not defined
#define I2S_CHANS_DAC 2 /* Define anyway for doxygen */
#else
#define I2S_WIRES_DAC (I2S_CHANS_DAC / I2S_CHANS_PER_FRAME)
#endif
/**
* @brief Number of I2S channels from ADC/CODEC. Must be a multiple of 2.
*
* Default: NONE (Must be defined by app)
*/
#ifndef I2S_CHANS_ADC
#error I2S_CHANS_ADC not defined
#define I2S_CHANS_ADC 2 /* Define anyway for doxygen */
#else
#define I2S_WIRES_ADC (I2S_CHANS_ADC / I2S_CHANS_PER_FRAME)
#endif
/**
* @brief Max supported sample frequency for device (Hz). Default: 192000
*/