Private functions. More...

Collaboration diagram for SAI Private Functions:

Functions
static void	SAI_FillFifo (SAI_HandleTypeDef *hsai)
	Fill the fifo.

static uint32_t	SAI_InterruptFlag (const SAI_HandleTypeDef *hsai, uint32_t mode)
	Return the interrupt flag to set according the SAI setup.

static HAL_StatusTypeDef	SAI_InitI2S (SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot)
	Initialize the SAI I2S protocol according to the specified parameters in the SAI_InitTypeDef and create the associated handle.

static HAL_StatusTypeDef	SAI_InitPCM (SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot)
	Initialize the SAI PCM protocol according to the specified parameters in the SAI_InitTypeDef and create the associated handle.

static HAL_StatusTypeDef	SAI_Disable (SAI_HandleTypeDef *hsai)
	Disable the SAI and wait for the disabling.

static void	SAI_Transmit_IT8Bit (SAI_HandleTypeDef *hsai)
	Tx Handler for Transmit in Interrupt mode 8-Bit transfer.

static void	SAI_Transmit_IT16Bit (SAI_HandleTypeDef *hsai)
	Tx Handler for Transmit in Interrupt mode for 16-Bit transfer.

static void	SAI_Transmit_IT32Bit (SAI_HandleTypeDef *hsai)
	Tx Handler for Transmit in Interrupt mode for 32-Bit transfer.

static void	SAI_Receive_IT8Bit (SAI_HandleTypeDef *hsai)
	Rx Handler for Receive in Interrupt mode 8-Bit transfer.

static void	SAI_Receive_IT16Bit (SAI_HandleTypeDef *hsai)
	Rx Handler for Receive in Interrupt mode for 16-Bit transfer.

static void	SAI_Receive_IT32Bit (SAI_HandleTypeDef *hsai)
	Rx Handler for Receive in Interrupt mode for 32-Bit transfer.

static void	SAI_DMATxCplt (DMA_HandleTypeDef *hdma)
	DMA SAI transmit process complete callback.

static void	SAI_DMATxHalfCplt (DMA_HandleTypeDef *hdma)
	DMA SAI transmit process half complete callback.

static void	SAI_DMARxCplt (DMA_HandleTypeDef *hdma)
	DMA SAI receive process complete callback.

static void	SAI_DMARxHalfCplt (DMA_HandleTypeDef *hdma)
	DMA SAI receive process half complete callback.

static void	SAI_DMAError (DMA_HandleTypeDef *hdma)
	DMA SAI communication error callback.

static void	SAI_DMAAbort (DMA_HandleTypeDef *hdma)
	DMA SAI Abort callback.

Detailed Description

Private functions.

Function Documentation

◆ SAI_FillFifo()

static void SAI_FillFifo ( SAI_HandleTypeDef * hsai )

static

#include <stm32f4xx_hal_sai.c>

Fill the fifo.

Parameters

hsai	pointer to a SAI_HandleTypeDef structure that contains the configuration information for SAI module.

Return values

None

Definition at line 2111 of file stm32f4xx_hal_sai.c.

References SAI_InitTypeDef::CompandingMode, SAI_InitTypeDef::DataSize, __SAI_HandleTypeDef::Init, __SAI_HandleTypeDef::Instance, __SAI_HandleTypeDef::pBuffPtr, SAI_DATASIZE_16, SAI_DATASIZE_8, SAI_FIFOSTATUS_FULL, SAI_NOCOMPANDING, and __SAI_HandleTypeDef::XferCount.

Referenced by HAL_SAI_Transmit(), and HAL_SAI_Transmit_IT().

◆ SAI_InterruptFlag()

static uint32_t SAI_InterruptFlag	(	const SAI_HandleTypeDef *	hsai,
		uint32_t	mode )

static

#include <stm32f4xx_hal_sai.c>

Return the interrupt flag to set according the SAI setup.

Parameters

hsai	pointer to a SAI_HandleTypeDef structure that contains the configuration information for SAI module.
mode	SAI_MODE_DMA or SAI_MODE_IT

Return values

the	list of the IT flag to enable

Definition at line 2141 of file stm32f4xx_hal_sai.c.

References SAI_InitTypeDef::AudioMode, __SAI_HandleTypeDef::Init, SAI_InitTypeDef::Protocol, SAI_AC97_PROTOCOL, SAI_IT_AFSDET, SAI_IT_CNRDY, SAI_IT_FREQ, SAI_IT_LFSDET, SAI_IT_OVRUDR, SAI_IT_WCKCFG, SAI_MODE_IT, SAI_MODEMASTER_RX, SAI_MODESLAVE_RX, and SAI_MODESLAVE_TX.

Referenced by HAL_SAI_Receive_DMA(), HAL_SAI_Receive_IT(), HAL_SAI_Transmit_DMA(), HAL_SAI_Transmit_IT(), SAI_DMARxCplt(), SAI_DMATxCplt(), SAI_Receive_IT16Bit(), SAI_Receive_IT32Bit(), SAI_Receive_IT8Bit(), SAI_Transmit_IT16Bit(), SAI_Transmit_IT32Bit(), and SAI_Transmit_IT8Bit().

◆ SAI_InitI2S()

static HAL_StatusTypeDef SAI_InitI2S	(	SAI_HandleTypeDef *	hsai,
		uint32_t	protocol,
		uint32_t	datasize,
		uint32_t	nbslot )

static

#include <stm32f4xx_hal_sai.c>

Initialize the SAI I2S protocol according to the specified parameters in the SAI_InitTypeDef and create the associated handle.

Parameters

hsai	pointer to a SAI_HandleTypeDef structure that contains the configuration information for SAI module.
protocol	one of the supported protocol.
datasize	one of the supported datasize SAI protocol data size the configuration information for SAI module.
nbslot	number of slot minimum value is 2 and max is 16. the value must be a multiple of 2.

Return values

HAL status

Definition at line 1952 of file stm32f4xx_hal_sai.c.

References SAI_FrameInitTypeDef::ActiveFrameLength, SAI_InitTypeDef::AudioMode, SAI_InitTypeDef::ClockStrobing, SAI_InitTypeDef::DataSize, SAI_InitTypeDef::FirstBit, SAI_SlotInitTypeDef::FirstBitOffset, __SAI_HandleTypeDef::FrameInit, SAI_FrameInitTypeDef::FrameLength, SAI_FrameInitTypeDef::FSDefinition, SAI_FrameInitTypeDef::FSOffset, SAI_FrameInitTypeDef::FSPolarity, HAL_ERROR, HAL_OK, __SAI_HandleTypeDef::Init, SAI_InitTypeDef::Protocol, SAI_CLOCKSTROBING_FALLINGEDGE, SAI_CLOCKSTROBING_RISINGEDGE, SAI_DATASIZE_16, SAI_DATASIZE_24, SAI_DATASIZE_32, SAI_FIRSTBIT_MSB, SAI_FREE_PROTOCOL, SAI_FS_ACTIVE_HIGH, SAI_FS_ACTIVE_LOW, SAI_FS_BEFOREFIRSTBIT, SAI_FS_CHANNEL_IDENTIFICATION, SAI_FS_FIRSTBIT, SAI_I2S_LSBJUSTIFIED, SAI_I2S_STANDARD, SAI_MODEMASTER_TX, SAI_MODESLAVE_TX, SAI_PROTOCOL_DATASIZE_16BIT, SAI_PROTOCOL_DATASIZE_16BITEXTENDED, SAI_PROTOCOL_DATASIZE_24BIT, SAI_PROTOCOL_DATASIZE_32BIT, SAI_SLOTACTIVE_ALL, SAI_SLOTSIZE_16B, SAI_SLOTSIZE_32B, SAI_SlotInitTypeDef::SlotActive, __SAI_HandleTypeDef::SlotInit, SAI_SlotInitTypeDef::SlotNumber, and SAI_SlotInitTypeDef::SlotSize.

Referenced by HAL_SAI_InitProtocol().

◆ SAI_InitPCM()

static HAL_StatusTypeDef SAI_InitPCM	(	SAI_HandleTypeDef *	hsai,
		uint32_t	protocol,
		uint32_t	datasize,
		uint32_t	nbslot )

static

#include <stm32f4xx_hal_sai.c>

Initialize the SAI PCM protocol according to the specified parameters in the SAI_InitTypeDef and create the associated handle.

Parameters

hsai	pointer to a SAI_HandleTypeDef structure that contains the configuration information for SAI module.
protocol	one of the supported protocol
datasize	one of the supported datasize SAI protocol data size
nbslot	number of slot minimum value is 1 and the max is 16.

Return values

HAL status

Definition at line 2044 of file stm32f4xx_hal_sai.c.

References SAI_FrameInitTypeDef::ActiveFrameLength, SAI_InitTypeDef::AudioMode, SAI_InitTypeDef::ClockStrobing, SAI_InitTypeDef::DataSize, SAI_InitTypeDef::FirstBit, SAI_SlotInitTypeDef::FirstBitOffset, __SAI_HandleTypeDef::FrameInit, SAI_FrameInitTypeDef::FrameLength, SAI_FrameInitTypeDef::FSDefinition, SAI_FrameInitTypeDef::FSOffset, SAI_FrameInitTypeDef::FSPolarity, HAL_ERROR, HAL_OK, __SAI_HandleTypeDef::Init, SAI_InitTypeDef::Protocol, SAI_CLOCKSTROBING_FALLINGEDGE, SAI_CLOCKSTROBING_RISINGEDGE, SAI_DATASIZE_16, SAI_DATASIZE_24, SAI_DATASIZE_32, SAI_FIRSTBIT_MSB, SAI_FREE_PROTOCOL, SAI_FS_ACTIVE_HIGH, SAI_FS_BEFOREFIRSTBIT, SAI_FS_STARTFRAME, SAI_MODEMASTER_TX, SAI_MODESLAVE_TX, SAI_PCM_SHORT, SAI_PROTOCOL_DATASIZE_16BIT, SAI_PROTOCOL_DATASIZE_16BITEXTENDED, SAI_PROTOCOL_DATASIZE_24BIT, SAI_PROTOCOL_DATASIZE_32BIT, SAI_SLOTACTIVE_ALL, SAI_SLOTSIZE_16B, SAI_SLOTSIZE_32B, SAI_SlotInitTypeDef::SlotActive, __SAI_HandleTypeDef::SlotInit, SAI_SlotInitTypeDef::SlotNumber, and SAI_SlotInitTypeDef::SlotSize.