Modules
	BSP AUDIO OUT Option
	STM32469I Discovery Audio Slot TDM mode
	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_A
#define	AUDIO_SAIx_CLK_ENABLE() __HAL_RCC_SAI1_CLK_ENABLE()
#define	AUDIO_SAIx_CLK_DISABLE() __HAL_RCC_SAI1_CLK_DISABLE()
#define	AUDIO_SAIx_MCLK_SCK_SD_FS_AF GPIO_AF6_SAI1
#define	AUDIO_SAIx_MCLK_ENABLE() __HAL_RCC_GPIOG_CLK_ENABLE()
#define	AUDIO_SAIx_MCLK_DISABLE() __HAL_RCC_GPIOG_CLK_DISABLE()
#define	AUDIO_SAIx_MCK_PIN GPIO_PIN_7
#define	AUDIO_SAIx_MCLK_GPIO_PORT GPIOG
#define	AUDIO_SAIx_SCK_SD_FS_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
#define	AUDIO_SAIx_SCK_SD_FS_DISABLE() __HAL_RCC_GPIOE_CLK_DISABLE()
#define	AUDIO_SAIx_FS_PIN GPIO_PIN_4
#define	AUDIO_SAIx_SCK_PIN GPIO_PIN_5
#define	AUDIO_SAIx_SD_PIN GPIO_PIN_6
#define	AUDIO_SAIx_SCK_SD_FS_GPIO_PORT GPIOE
#define	AUDIO_RESET_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
#define	AUDIO_RESET_DISABLE() __HAL_RCC_GPIOE_CLK_DISABLE()
#define	AUDIO_RESET_PIN GPIO_PIN_2
#define	AUDIO_RESET_GPIO_PORT GPIOE
#define	AUDIO_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
#define	AUDIO_SAIx_DMAx_CLK_DISABLE() __HAL_RCC_DMA2_CLK_DISABLE()
#define	AUDIO_SAIx_DMAx_STREAM DMA2_Stream3
#define	AUDIO_SAIx_DMAx_CHANNEL DMA_CHANNEL_0
#define	AUDIO_SAIx_DMAx_IRQ DMA2_Stream3_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_Stream3_IRQHandler
#define	AUDIO_OUT_IRQ_PREPRIO 5 /* Select the preemption priority level(0 is the highest) */
#define	AUDIO_SAIx_PLL_DISABLE() HAL_RCCEx_DisablePLLSAI1()
#define	AUDIO_I2Sx SPI3
#define	AUDIO_I2Sx_CLK_ENABLE() __HAL_RCC_SPI3_CLK_ENABLE()
#define	AUDIO_I2Sx_CLK_DISABLE() __HAL_RCC_SPI3_CLK_DISABLE()
#define	AUDIO_I2Sx_SCK_PIN GPIO_PIN_3
#define	AUDIO_I2Sx_SCK_GPIO_PORT GPIOB
#define	AUDIO_I2Sx_SCK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
#define	AUDIO_I2Sx_SCK_GPIO_CLK_DISABLE() __HAL_RCC_GPIOB_CLK_DISABLE()
#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() __HAL_RCC_GPIOD_CLK_ENABLE()
#define	AUDIO_I2Sx_SD_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
#define	AUDIO_I2Sx_SD_AF GPIO_AF5_I2S3ext
#define	AUDIO_I2Sx_DMAx_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
#define	AUDIO_I2Sx_DMAx_CLK_DISABLE() __HAL_RCC_DMA1_CLK_DISABLE()
#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 ((uint32_t)6) /* Select the preemption priority level(0 is the highest) */
#define	AUDIO_TIMx_CLK_ENABLE() __HAL_RCC_TIM4_CLK_ENABLE()
#define	AUDIO_TIMx_CLK_DISABLE() __HAL_RCC_TIM4_CLK_DISABLE()
#define	AUDIO_TIMx TIM4
#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() __HAL_RCC_GPIOD_CLK_ENABLE()
#define	AUDIO_TIMx_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
#define	AUDIO_TIMx_GPIO_PORT GPIOD
#define	AUDIO_TIMx_IN_GPIO_PIN GPIO_PIN_12
#define	AUDIO_TIMx_OUT_GPIO_PIN GPIO_PIN_13
#define	AUDIO_TIMx_AF GPIO_AF2_TIM4
#define	AUDIODATA_SIZE 2 /* 16-bits audio data size */
#define	AUDIO_OK ((uint8_t)0)
#define	AUDIO_ERROR ((uint8_t)1)
#define	AUDIO_TIMEOUT ((uint8_t)2)
#define	DEFAULT_AUDIO_IN_FREQ I2S_AUDIOFREQ_16K
#define	DEFAULT_AUDIO_IN_BIT_RESOLUTION ((uint8_t)16)
#define	DEFAULT_AUDIO_IN_CHANNEL_NBR ((uint8_t)2) /* Mono = 1, Stereo = 2 */
#define	DEFAULT_AUDIO_IN_VOLUME ((uint16_t)64)
#define	INTERNAL_BUFF_SIZE (128DEFAULT_AUDIO_IN_FREQ/16000DEFAULT_AUDIO_IN_CHANNEL_NBR)
#define	PCM_OUT_SIZE (DEFAULT_AUDIO_IN_FREQ/1000*DEFAULT_AUDIO_IN_CHANNEL_NBR)
#define	CHANNEL_DEMUX_MASK ((uint8_t)0x55)
#define	CODEC_RESET_DELAY ((uint8_t)5)