Modules
	CODEC AudioFrame SLOT TDMMode
	In W8994 codec the Audio frame contains 4 slots : TDM Mode TDM format : +------------------\|------------------\|--------------------\|-------------------+ \| CODEC_SLOT0 Left \| CODEC_SLOT1 Left \| CODEC_SLOT0 Right \| CODEC_SLOT1 Right \| +------------------------------------------------------------------------------+.
Defines
#define	AUDIO_SAIx SAI1_Block_B
#define	AUDIO_SAIx_CLK_ENABLE() __SAI1_CLK_ENABLE()
#define	AUDIO_SAIx_MCLK_SCK_SD_FS_AF GPIO_AF6_SAI1
#define	AUDIO_SAIx_MCLK_SCK_SD_FS_ENABLE() __GPIOF_CLK_ENABLE()
#define	AUDIO_SAIx_FS_PIN GPIO_PIN_9
#define	AUDIO_SAIx_SCK_PIN GPIO_PIN_8
#define	AUDIO_SAIx_SD_PIN GPIO_PIN_6
#define	AUDIO_SAIx_MCK_PIN GPIO_PIN_7
#define	AUDIO_SAIx_MCLK_SCK_SD_FS_GPIO_PORT GPIOF
#define	AUDIO_SAIx_DMAx_CLK_ENABLE() __DMA2_CLK_ENABLE()
#define	AUDIO_SAIx_DMAx_STREAM DMA2_Stream5
#define	AUDIO_SAIx_DMAx_CHANNEL DMA_CHANNEL_0
#define	AUDIO_SAIx_DMAx_IRQ DMA2_Stream5_IRQn
#define	AUDIO_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define	AUDIO_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define	DMA_MAX_SZE 0xFFFF
#define	AUDIO_SAIx_DMAx_IRQHandler DMA2_Stream5_IRQHandler
#define	AUDIO_OUT_IRQ_PREPRIO 5 /* Select the preemption priority level(0 is the highest) */
#define	AUDIO_I2Sx SPI3
#define	AUDIO_I2Sx_CLK_ENABLE() __SPI3_CLK_ENABLE()
#define	AUDIO_I2Sx_SCK_PIN GPIO_PIN_3
#define	AUDIO_I2Sx_SCK_GPIO_PORT GPIOB
#define	AUDIO_I2Sx_SCK_GPIO_CLK_ENABLE() __GPIOB_CLK_ENABLE()
#define	AUDIO_I2Sx_SCK_AF GPIO_AF6_SPI3
#define	AUDIO_I2Sx_SD_PIN GPIO_PIN_6
#define	AUDIO_I2Sx_SD_GPIO_PORT GPIOD
#define	AUDIO_I2Sx_SD_GPIO_CLK_ENABLE() __GPIOD_CLK_ENABLE()
#define	AUDIO_I2Sx_SD_AF GPIO_AF5_I2S3ext
#define	AUDIO_I2Sx_DMAx_CLK_ENABLE() __DMA1_CLK_ENABLE()
#define	AUDIO_I2Sx_DMAx_STREAM DMA1_Stream2
#define	AUDIO_I2Sx_DMAx_CHANNEL DMA_CHANNEL_0
#define	AUDIO_I2Sx_DMAx_IRQ DMA1_Stream2_IRQn
#define	AUDIO_I2Sx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define	AUDIO_I2Sx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define	AUDIO_I2Sx_DMAx_IRQHandler DMA1_Stream2_IRQHandler
#define	AUDIO_IN_IRQ_PREPRIO 6 /* Select the preemption priority level(0 is the highest) */
#define	AUDIO_TIMx_CLK_ENABLE() __TIM3_CLK_ENABLE()
#define	AUDIO_TIMx_CLK_DISABLE() __TIM3_CLK_DISABLE()
#define	AUDIO_TIMx TIM3
#define	AUDIO_TIMx_IN_CHANNEL TIM_CHANNEL_1
#define	AUDIO_TIMx_OUT_CHANNEL TIM_CHANNEL_2 /* Select channel 2 as output */
#define	AUDIO_TIMx_GPIO_CLK_ENABLE() __GPIOC_CLK_ENABLE()
#define	AUDIO_TIMx_GPIO GPIOC
#define	AUDIO_TIMx_IN_GPIO_PIN GPIO_PIN_6
#define	AUDIO_TIMx_OUT_GPIO_PIN GPIO_PIN_7
#define	AUDIO_TIMx_AF GPIO_AF2_TIM3
#define	AUDIODATA_SIZE 2 /* 16-bits audio data size */
#define	AUDIO_OK 0
#define	AUDIO_ERROR 1
#define	AUDIO_TIMEOUT 2
#define	DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_16K
#define	DEFAULT_AUDIO_IN_BIT_RESOLUTION 16
#define	DEFAULT_AUDIO_IN_CHANNEL_NBR 2 /* Mono = 1, Stereo = 2 */
#define	DEFAULT_AUDIO_IN_VOLUME 64
#define	INTERNAL_BUFF_SIZE 128DEFAULT_AUDIO_IN_FREQ/16000DEFAULT_AUDIO_IN_CHANNEL_NBR
#define	PCM_OUT_SIZE DEFAULT_AUDIO_IN_FREQ/1000*2
#define	CHANNEL_DEMUX_MASK 0x55
#define	CODEC_RESET_DELAY 5