#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include "fsl_device_registers.h"
#include "fsl_sai_features.h"

Macros
#define	SAI_BIT_MIN 8

#define	SAI_BIT_MAX 32

#define	SAI_WORD_MAX FSL_FEATURE_I2S_MAX_WORDS_PER_FRAME

#define	SAI_FRACT_MAX 256

#define	SAI_DIV_MAX 4096

#define	SAI_WATERMARK_MAX FSL_FEATURE_I2S_FIFO_COUNT

#define	SAI_FIFO_LEN FSL_FEATURE_I2S_FIFO_COUNT

Enumerations
enum	sai_bus_t { kSaiBusI2SLeft = 0x0, kSaiBusI2SRight = 0x1, kSaiBusI2SType = 0x2 }
	Defines the SAI bus type. More...

enum	sai_io_mode_t { kSaiIOModeTransmit = 0x0, kSaiIOModeReceive = 0x1, kSaiIOModeDuplex = 0x2 }
	Transmits or receives data; Reads and writes at the same time. More...

enum	sai_master_slave_t { kSaiMaster = 0x0, kSaiSlave = 0x1 }
	Master or slave mode. More...

enum	sai_sync_mode_t { kSaiModeAsync = 0x0, kSaiModeSync = 0x1, kSaiModeSyncWithOtherTx = 0x2, kSaiModeSyncWithOtherRx = 0x3 }
	Synchronous or asynchronous mode. More...

enum	sai_mclk_source_t { kSaiMclkSourceSysclk = 0x0, kSaiMclkSourceExtal = 0x1, kSaiMclkSourceAltclk = 0x2, kSaiMclkSourcePllout = 0x3 }
	Mater clock source. More...

enum	sai_bclk_source_t { kSaiBclkSourceBusclk = 0x0, kSaiBclkSourceMclkDiv = 0x1, kSaiBclkSourceOtherSai0 = 0x2, kSaiBclkSourceOtherSai1 = 0x3 }
	Bit clock source. More...

enum	sai_interrupt_request_t { kSaiIntrequestWordStart = 0x0, kSaiIntrequestSyncError = 0x1, kSaiIntrequestFIFOWarning = 0x2, kSaiIntrequestFIFOError = 0x3, kSaiIntrequestFIFORequest = 0x4 }
	The SAI state flag. More...

enum	sai_dma_request_t { kSaiDmaReqFIFOWarning = 0x0, kSaiDmaReqFIFORequest = 0x1 }
	The DMA request sources. More...

enum	sai_state_flag_t { kSaiStateFlagWordStart = 0x0, kSaiStateFlagSyncError = 0x1, kSaiStateFlagFIFOError = 0x2, kSaiStateFlagSoftReset = 0x3 }
	The SAI state flag. More...

enum	sai_reset_type_t { kSaiResetTypeSoftware = 0x0, kSaiResetTypeFIFO = 0x1 }
	The reset type. More...

enum	sai_mode_t { kSaiRunModeDebug = 0x0, kSaiRunModeStop = 0x1 }

Functions
void	sai_hal_init (uint8_t instance)
	Initializes the SAI device. More...

void	sai_hal_set_tx_bus (uint8_t instance, sai_bus_t bus_mode)
	Sets the bus protocol relevant settings for Tx. More...

void	sai_hal_set_rx_bus (uint8_t instance, sai_bus_t bus_mode)
	Sets the bus protocol relevant settings for Rx. More...

static void	sai_hal_set_mclk_source (uint8_t instance, sai_mclk_source_t source)
	Sets the master clock source. More...

void	sai_hal_set_mclk_divider (uint8_t instance, uint32_t mclk, uint32_t src_clk)
	Sets the divider of the master clock. More...

static void	sai_hal_set_tx_bclk_source (uint8_t instance, sai_bclk_source_t source)
	Sets the bit clock source of Tx. More...

static void	sai_hal_set_rx_bclk_source (uint8_t instance, sai_bclk_source_t source)
	Sets the bit clock source of Rx. More...

static void	sai_hal_set_tx_blck_divider (uint8_t instance, uint32_t divider)
	Sets the bit clock divider value of Tx. More...

static void	sai_hal_set_rx_blck_divider (uint8_t instance, uint32_t divider)
	Sets the bit clock divider value of Tx. More...

static void	sai_hal_set_tx_frame_size (uint8_t instance, uint8_t size)
	Sets the frame size for Tx. More...

static void	sai_hal_set_rx_frame_size (uint8_t instance, uint8_t size)
	Set the frame size for rx. More...

static void	sai_hal_set_tx_word_size (uint8_t instance, uint8_t bits)
	Set the word size for tx. More...

static void	sai_hal_set_rx_word_size (uint8_t instance, uint8_t bits)
	Sets the word size for Rx. More...

static void	sai_hal_set_tx_word_zero_size (uint8_t instance, uint8_t size)
	Sets the size of the first word of the frame for Tx. More...

static void	sai_hal_set_rx_word_zero_size (uint8_t instance, uint8_t size)
	Sets the size of the first word of the frame for Rx. More...

static void	sai_hal_set_tx_sync_width (uint8_t instance, uint8_t width)
	Sets the sync width for Tx. More...

static void	sai_hal_set_rx_sync_width (uint8_t instance, uint8_t width)
	Sets the sync width for Rx. More...

static void	sai_hal_set_tx_watermark (uint8_t instance, uint8_t watermark)
	Sets the watermark value for Tx FIFO. More...

static void	sai_hal_set_rx_watermark (uint8_t instance, uint8_t watermark)
	Sets the watermark value for Rx FIFO. More...

void	sai_hal_set_tx_master_slave (uint8_t instance, sai_master_slave_t master_slave_mode)
	Sets the master or slave mode of Tx. More...

void	sai_hal_set_rx_master_slave (uint8_t instance, sai_master_slave_t master_slave_mode)
	Sets the Rx master or slave mode. More...

void	sai_hal_set_tx_sync_mode (uint8_t instance, sai_sync_mode_t sync_mode)
	Transmits the mode setting. More...

void	sai_hal_set_rx_sync_mode (uint8_t instance, sai_sync_mode_t sync_mode)
	Receives the mode setting. More...

uint8_t	sai_hal_get_fifo_read_pointer (uint8_t instance, sai_io_mode_t io_mode, uint8_t fifo_channel)
	Gets the FIFO read pointer. More...

uint8_t	sai_hal_get_fifo_write_pointer (uint8_t instance, sai_io_mode_t io_mode, uint8_t fifo_channel)
	Gets the FIFO read pointer. More...

uint32_t *	sai_hal_get_fifo_address (uint8_t instance, sai_io_mode_t io_mode, uint8_t fifo_channel)
	Gets the TDR/RDR register address. More...

static void	sai_hal_enable_tx (uint8_t instance)
	Enables the Tx transmit. More...

static void	sai_hal_enable_rx (uint8_t instance)
	Enables the Rx receive. More...

static void	sai_hal_disable_tx (uint8_t instance)
	Disables the Tx transmit. More...

static void	sai_hal_disable_rx (uint8_t instance)
	Disables the Rx receive. More...

void	sai_hal_enable_tx_interrupt (uint8_t instance, sai_interrupt_request_t source)
	Enables the Tx interrupt from different interrupt sources. More...

void	sai_hal_enable_rx_interrupt (uint8_t instance, sai_interrupt_request_t source)
	Enables the Rx interrupt from different sources. More...

void	sai_hal_disable_tx_interrupt (uint8_t instance, sai_interrupt_request_t source)
	Disables the Tx interrupts from different interrupt sources. More...

void	sai_hal_disable_rx_interrupt (uint8_t instance, sai_interrupt_request_t source)
	Disables Rx interrupts from different interrupt sources. More...

void	sai_hal_enable_tx_dma (uint8_t instance, sai_dma_request_t request)
	Enables the Tx DMA request from different sources. More...

void	sai_hal_enable_rx_dma (uint8_t instance, sai_dma_request_t request)
	Enables the Rx DMA request from different sources. More...

void	sai_hal_disable_tx_dma (uint8_t instance, sai_dma_request_t request)
	Disables the Tx DMA request from different sources. More...

void	sai_hal_disable_rx_dma (uint8_t instance, sai_dma_request_t request)
	Disables the Rx DMA request from different sources. More...

void	sai_hal_clear_tx_state_flag (uint8_t instance, sai_state_flag_t flag)
	Clears the Tx state flags. More...

void	sai_hal_clear_rx_state_flag (uint8_t instance, sai_state_flag_t flag)
	Clears the state flags for Rx. More...

void	sai_hal_reset_tx (uint8_t instance, sai_reset_type_t mode)
	Resets the Tx. More...

void	sai_hal_reset_rx (uint8_t instance, sai_reset_type_t mode)
	Resets the Rx. More...

static void	sai_hal_set_tx_word_mask (uint8_t instance, uint32_t mask)
	Sets the mask word of the frame in Tx. More...

static void	sai_hal_set_rx_word_mask (uint8_t instance, uint32_t mask)
	Sets the mask word of the frame in Rx. More...

static void	sai_hal_set_tx_fifo_channel (uint8_t instance, uint8_t fifo_channel)
	Sets the FIFO Tx channel. More...

static void	sai_hal_set_rx_fifo_channel (uint8_t instance, uint8_t fifo_channel)
	Sets the Rx FIFO channel. More...

void	sai_hal_set_tx_mode (uint8_t instance, sai_mode_t mode)
	Sets the running mode. More...

void	sai_hal_set_rx_mode (uint8_t instance, sai_mode_t mode)
	Sets the Rx running mode. More...

void	sai_hal_set_tx_bclk_swap (uint8_t instance, bool ifswap)
	Set Tx bit clock swap. More...

void	sai_hal_set_rx_bclk_swap (uint8_t instance, bool ifswap)
	Sets the Rx bit clock swap. More...

static void	sai_hal_set_tx_word_start_index (uint8_t instance, uint8_t index)
	Configures on which word the start of the word flag is set. More...

static void	sai_hal_set_rx_word_start_index (uint8_t instance, uint8_t index)
	Configures on which word the start of the word flag is set. More...

static void	sai_hal_set_tx_fbt (uint8_t instance, uint8_t index)
	Sets the index in FIFO for the first bit data . More...

static void	sai_hal_set_rx_fbt (uint8_t instance, uint8_t index)
	Sets the index in FIFO for the first bit data. More...

bool	sai_hal_mclk_divider_is_update (uint8_t instance)
	Flags whether the master clock divider is re-divided. More...

bool	sai_hal_word_start_is_detected (uint8_t instance, sai_io_mode_t io_mode)
	Word start is detected. More...

bool	sai_hal_sync_error_is_detected (uint8_t instance, sai_io_mode_t io_mode)
	Sync error is detected. More...

bool	sai_hal_fifo_warning_is_detected (uint8_t instance, sai_io_mode_t io_mode)
	FIFO warning is detected. More...

bool	sai_hal_fifo_error_is_detected (uint8_t instance, sai_io_mode_t io_mode)
	FIFO error is detected. More...

bool	sai_hal_fifo_request_is_detected (uint8_t instance, sai_io_mode_t io_mode)
	FIFO request is detected. More...

static void	sai_hal_receive_data (uint8_t instance, uint8_t rx_channel, uint32_t *data)
	Receives the data from FIFO. More...

static void	sai_hal_transmit_data (uint8_t instance, uint8_t tx_channel, uint32_t data)
	Transmits data to the FIFO. More...

Macros

Enumerations

Functions