Defines
#define	CODEC_AUDIOFRAME_SLOT_0123 SAI_SLOTACTIVE_0 \| SAI_SLOTACTIVE_1 \| SAI_SLOTACTIVE_2 \| SAI_SLOTACTIVE_3
#define	CODEC_AUDIOFRAME_SLOT_02 SAI_SLOTACTIVE_0 \| SAI_SLOTACTIVE_2
#define	CODEC_AUDIOFRAME_SLOT_13 SAI_SLOTACTIVE_1 \| SAI_SLOTACTIVE_3
#define	AUDIO_OUT_SAIx SAI2_Block_A
#define	AUDIO_OUT_SAIx_CLK_ENABLE() __HAL_RCC_SAI2_CLK_ENABLE()
#define	AUDIO_OUT_SAIx_CLK_DISABLE() __HAL_RCC_SAI2_CLK_DISABLE()
#define	AUDIO_OUT_SAIx_SCK_AF GPIO_AF10_SAI2
#define	AUDIO_OUT_SAIx_FS_SD_MCLK_AF GPIO_AF10_SAI2
#define	AUDIO_OUT_SAIx_MCLK_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
#define	AUDIO_OUT_SAIx_MCLK_GPIO_PORT GPIOI
#define	AUDIO_OUT_SAIx_MCLK_PIN GPIO_PIN_4
#define	AUDIO_OUT_SAIx_SCK_SD_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
#define	AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT GPIOI
#define	AUDIO_OUT_SAIx_SCK_PIN GPIO_PIN_5
#define	AUDIO_OUT_SAIx_SD_PIN GPIO_PIN_6
#define	AUDIO_OUT_SAIx_FS_ENABLE() __HAL_RCC_GPIOI_CLK_ENABLE()
#define	AUDIO_OUT_SAIx_FS_GPIO_PORT GPIOI
#define	AUDIO_OUT_SAIx_FS_PIN GPIO_PIN_7
#define	AUDIO_OUT_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
#define	AUDIO_OUT_SAIx_DMAx_STREAM DMA2_Stream4
#define	AUDIO_OUT_SAIx_DMAx_CHANNEL DMA_CHANNEL_3
#define	AUDIO_OUT_SAIx_DMAx_IRQ DMA2_Stream4_IRQn
#define	AUDIO_OUT_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define	AUDIO_OUT_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define	DMA_MAX_SZE ((uint16_t)0xFFFF)
#define	AUDIO_OUT_SAIx_DMAx_IRQHandler DMA2_Stream4_IRQHandler
#define	AUDIO_OUT_IRQ_PREPRIO ((uint32_t)0x0E) /* Select the preemption priority level(0 is the highest) */
#define	AUDIO_IN_SAIx SAI2_Block_B
#define	AUDIO_IN_SAIx_CLK_ENABLE() __HAL_RCC_SAI2_CLK_ENABLE()
#define	AUDIO_IN_SAIx_CLK_DISABLE() __HAL_RCC_SAI2_CLK_DISABLE()
#define	AUDIO_IN_SAIx_SD_AF GPIO_AF10_SAI2
#define	AUDIO_IN_SAIx_SD_ENABLE() __HAL_RCC_GPIOG_CLK_ENABLE()
#define	AUDIO_IN_SAIx_SD_GPIO_PORT GPIOG
#define	AUDIO_IN_SAIx_SD_PIN GPIO_PIN_10
#define	AUDIO_IN_INT_GPIO_ENABLE() __HAL_RCC_GPIOH_CLK_ENABLE()
#define	AUDIO_IN_INT_GPIO_PORT GPIOH
#define	AUDIO_IN_INT_GPIO_PIN GPIO_PIN_15
#define	AUDIO_IN_INT_IRQ EXTI15_10_IRQn
#define	AUDIO_IN_SAIx_DMAx_CLK_ENABLE() __HAL_RCC_DMA2_CLK_ENABLE()
#define	AUDIO_IN_SAIx_DMAx_STREAM DMA2_Stream7
#define	AUDIO_IN_SAIx_DMAx_CHANNEL DMA_CHANNEL_0
#define	AUDIO_IN_SAIx_DMAx_IRQ DMA2_Stream7_IRQn
#define	AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE DMA_PDATAALIGN_HALFWORD
#define	AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE DMA_MDATAALIGN_HALFWORD
#define	AUDIO_IN_SAIx_DMAx_IRQHandler DMA2_Stream7_IRQHandler
#define	AUDIO_IN_INT_IRQHandler EXTI15_10_IRQHandler
#define	AUDIO_IN_IRQ_PREPRIO ((uint32_t)0x0F) /* Select the preemption priority level(0 is the highest) */
#define	AUDIODATA_SIZE ((uint16_t)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	CODEC_RESET_DELAY ((uint8_t)5)
#define	OUTPUT_DEVICE_HEADPHONE1 OUTPUT_DEVICE_HEADPHONE
#define	OUTPUT_DEVICE_HEADPHONE2 OUTPUT_DEVICE_SPEAKER /* Headphone2 is connected to Speaker output of the wm8994 */