Private functions. More...

Functions
static void	SAI_FillFifo (SAI_HandleTypeDef *hsai)
	Fill the fifo.
static uint32_t	SAI_InterruptFlag (const SAI_HandleTypeDef *hsai, SAI_ModeTypedef 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

static HAL_StatusTypeDef SAI_Disable ( SAI_HandleTypeDef * hsai ) [static]

Disable the SAI and wait for the disabling.

Parameters:

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

Return values:

None

Definition at line 2421 of file stm32l4xx_hal_sai.c.

References __HAL_SAI_DISABLE, __SAI_HandleTypeDef::ErrorCode, HAL_SAI_ERROR_TIMEOUT, __SAI_HandleTypeDef::Instance, and SAI_DEFAULT_TIMEOUT.

Referenced by HAL_SAI_Abort(), HAL_SAI_DeInit(), HAL_SAI_DMAStop(), HAL_SAI_Init(), HAL_SAI_Receive(), HAL_SAI_Transmit(), SAI_DMAAbort(), and SAI_DMAError().

static void SAI_DMAAbort ( DMA_HandleTypeDef * hdma ) [static]

DMA SAI Abort callback.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.

Return values:

None

Definition at line 2785 of file stm32l4xx_hal_sai.c.

References __SAI_HandleTypeDef::ErrorCallback, __SAI_HandleTypeDef::ErrorCode, HAL_SAI_ERROR_WCKCFG, HAL_SAI_ErrorCallback(), HAL_SAI_STATE_READY, __SAI_HandleTypeDef::Instance, SAI_Disable(), __SAI_HandleTypeDef::State, and __SAI_HandleTypeDef::XferCount.

Referenced by HAL_SAI_IRQHandler().

static void SAI_DMAError ( DMA_HandleTypeDef * hdma ) [static]

DMA SAI communication error callback.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.

Return values:

None

Definition at line 2749 of file stm32l4xx_hal_sai.c.

References __SAI_HandleTypeDef::ErrorCallback, __SAI_HandleTypeDef::ErrorCode, HAL_SAI_ERROR_DMA, HAL_SAI_ErrorCallback(), HAL_SAI_STATE_READY, __SAI_HandleTypeDef::Instance, SAI_Disable(), __SAI_HandleTypeDef::State, and __SAI_HandleTypeDef::XferCount.

Referenced by HAL_SAI_Receive_DMA(), and HAL_SAI_Transmit_DMA().

static void SAI_DMARxCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA SAI receive process complete callback.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.

Return values:

None

Definition at line 2704 of file stm32l4xx_hal_sai.c.

References __HAL_SAI_DISABLE_IT, DMA_CIRCULAR, HAL_SAI_RxCpltCallback(), HAL_SAI_STATE_READY, __DMA_HandleTypeDef::Init, __SAI_HandleTypeDef::Instance, DMA_InitTypeDef::Mode, __SAI_HandleTypeDef::RxCpltCallback, SAI_InterruptFlag(), SAI_MODE_DMA, __SAI_HandleTypeDef::State, and __SAI_HandleTypeDef::XferCount.

Referenced by HAL_SAI_Receive_DMA().

static void SAI_DMARxHalfCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA SAI receive process half complete callback.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.

Return values:

None

Definition at line 2732 of file stm32l4xx_hal_sai.c.

References HAL_SAI_RxHalfCpltCallback(), and __SAI_HandleTypeDef::RxHalfCpltCallback.

Referenced by HAL_SAI_Receive_DMA().

static void SAI_DMATxCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA SAI transmit process complete callback.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.

Return values:

None

Definition at line 2658 of file stm32l4xx_hal_sai.c.

References __HAL_SAI_DISABLE_IT, DMA_CIRCULAR, HAL_SAI_STATE_READY, HAL_SAI_TxCpltCallback(), __DMA_HandleTypeDef::Init, __SAI_HandleTypeDef::Instance, DMA_InitTypeDef::Mode, SAI_InterruptFlag(), SAI_MODE_DMA, __SAI_HandleTypeDef::State, __SAI_HandleTypeDef::TxCpltCallback, and __SAI_HandleTypeDef::XferCount.

Referenced by HAL_SAI_Transmit_DMA().

static void SAI_DMATxHalfCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA SAI transmit process half complete callback.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.

Return values:

None

Definition at line 2687 of file stm32l4xx_hal_sai.c.

References HAL_SAI_TxHalfCpltCallback(), and __SAI_HandleTypeDef::TxHalfCpltCallback.

Referenced by HAL_SAI_Transmit_DMA().

static void SAI_FillFifo ( SAI_HandleTypeDef * hsai ) [static]

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 2345 of file stm32l4xx_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().

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

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.
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 2173 of file stm32l4xx_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, __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_MSBJUSTIFIED, 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().

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

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 2272 of file stm32l4xx_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, __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_LONG, 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.