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stm32f4xx_sai.h
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/**
******************************************************************************
* @file stm32f4xx_sai.h
* @author MCD Application Team
* @version V1.4.0
* @date 04-August-2014
* @brief This file contains all the functions prototypes for the SAI
* firmware library.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_SAI_H
#define __STM32F4xx_SAI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup STM32F4xx_StdPeriph_Driver
* @{
*/
/** @addtogroup SAI
* @{
*/
/* Exported types ------------------------------------------------------------*/
/**
* @brief SAI Block Init structure definition
*/
typedef struct
{
uint32_t SAI_AudioMode; /*!< Specifies the SAI Block Audio Mode.
This parameter can be a value of @ref SAI_Block_Mode */
uint32_t SAI_Protocol; /*!< Specifies the SAI Block Protocol.
This parameter can be a value of @ref SAI_Block_Protocol */
uint32_t SAI_DataSize; /*!< Specifies the SAI Block data size.
This parameter can be a value of @ref SAI_Block_Data_Size
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_FirstBit; /*!< Specifies whether data transfers start from MSB or LSB bit.
This parameter can be a value of @ref SAI_Block_MSB_LSB_transmission
@note this value has no meaning when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_ClockStrobing; /*!< Specifies the SAI Block clock strobing edge sensitivity.
This parameter can be a value of @ref SAI_Block_Clock_Strobing */
uint32_t SAI_Synchro; /*!< Specifies SAI Block synchronization
This parameter can be a value of @ref SAI_Block_Synchronization */
uint32_t SAI_OUTDRIV; /*!< Specifies when SAI Block outputs are driven.
This parameter can be a value of @ref SAI_Block_Output_Drive
@note this value has to be set before enabling the audio block
but after the audio block configuration. */
uint32_t SAI_NoDivider; /*!< Specifies whether Master Clock will be divided or not.
This parameter can be a value of @ref SAI_Block_NoDivider */
uint32_t SAI_MasterDivider; /*!< Specifies SAI Block Master Clock Divider.
@note the Master Clock Frequency is calculated accordingly to the
following formula : MCLK_x = SAI_CK_x/(MCKDIV[3:0]*2)*/
uint32_t SAI_FIFOThreshold; /*!< Specifies SAI Block FIFO Threshold.
This parameter can be a value of @ref SAI_Block_Fifo_Threshold */
}SAI_InitTypeDef;
/**
* @brief SAI Block Frame Init structure definition
*/
typedef struct
{
uint32_t SAI_FrameLength; /*!< Specifies the Frame Length, the number of SCK clocks
for each audio frame.
This parameter must be a number between 8 and 256.
@note If master Clock MCLK_x pin is declared as an output, the frame length
should be Aligned to a number equal to power of 2 in order to keep
in an audio frame, an integer number of MCLK pulses by bit Clock.
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_ActiveFrameLength; /*!< Specifies the Frame synchronization active level length.
This Parameter specifies the length in number of bit clock (SCK + 1)
of the active level of FS signal in audio frame.
This parameter must be a number between 1 and 128.
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_FSDefinition; /*!< Specifies the Frame Synchronization definition.
This parameter can be a value of @ref SAI_Block_FS_Definition
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_FSPolarity; /*!< Specifies the Frame Synchronization Polarity.
This parameter can be a value of @ref SAI_Block_FS_Polarity
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_FSOffset; /*!< Specifies the Frame Synchronization Offset.
This parameter can be a value of @ref SAI_Block_FS_Offset
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
}SAI_FrameInitTypeDef;
/**
* @brief SAI Block Slot Init Structure definition
*/
typedef struct
{
uint32_t SAI_FirstBitOffset; /*!< Specifies the position of first data transfer bit in the slot.
This parameter must be a number between 0 and 24.
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_SlotSize; /*!< Specifies the Slot Size.
This parameter can be a value of @ref SAI_Block_Slot_Size
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_SlotNumber; /*!< Specifies the number of slot in the audio frame.
This parameter must be a number between 1 and 16.
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
uint32_t SAI_SlotActive; /*!< Specifies the slots in audio frame that will be activated.
This parameter can be a value of @ ref SAI_Block_Slot_Active
@note this value is ignored when AC'97 or SPDIF protocols are selected.*/
}SAI_SlotInitTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup SAI_Exported_Constants
* @{
*/
#define IS_SAI_PERIPH(PERIPH) ((PERIPH) == SAI1)
#define IS_SAI_BLOCK_PERIPH(PERIPH) (((PERIPH) == SAI1_Block_A) || \
((PERIPH) == SAI1_Block_B))
/** @defgroup SAI_Block_Mode
* @{
*/
#define SAI_Mode_MasterTx ((uint32_t)0x00000000)
#define SAI_Mode_MasterRx ((uint32_t)0x00000001)
#define SAI_Mode_SlaveTx ((uint32_t)0x00000002)
#define SAI_Mode_SlaveRx ((uint32_t)0x00000003)
#define IS_SAI_BLOCK_MODE(MODE) (((MODE) == SAI_Mode_MasterTx) || \
((MODE) == SAI_Mode_MasterRx) || \
((MODE) == SAI_Mode_SlaveTx) || \
((MODE) == SAI_Mode_SlaveRx))
/**
* @}
*/
/** @defgroup SAI_Block_Protocol
* @{
*/
#define SAI_Free_Protocol ((uint32_t)0x00000000)
#define SAI_SPDIF_Protocol ((uint32_t)SAI_xCR1_PRTCFG_0)
#define SAI_AC97_Protocol ((uint32_t)SAI_xCR1_PRTCFG_1)
#define IS_SAI_BLOCK_PROTOCOL(PROTOCOL) (((PROTOCOL) == SAI_Free_Protocol) || \
((PROTOCOL) == SAI_SPDIF_Protocol) || \
((PROTOCOL) == SAI_AC97_Protocol))
/**
* @}
*/
/** @defgroup SAI_Block_Data_Size
* @{
*/
#define SAI_DataSize_8b ((uint32_t)0x00000040)
#define SAI_DataSize_10b ((uint32_t)0x00000060)
#define SAI_DataSize_16b ((uint32_t)0x00000080)
#define SAI_DataSize_20b ((uint32_t)0x000000A0)
#define SAI_DataSize_24b ((uint32_t)0x000000C0)
#define SAI_DataSize_32b ((uint32_t)0x000000E0)
#define IS_SAI_BLOCK_DATASIZE(DATASIZE) (((DATASIZE) == SAI_DataSize_8b) || \
((DATASIZE) == SAI_DataSize_10b) || \
((DATASIZE) == SAI_DataSize_16b) || \
((DATASIZE) == SAI_DataSize_20b) || \
((DATASIZE) == SAI_DataSize_24b) || \
((DATASIZE) == SAI_DataSize_32b))
/**
* @}
*/
/** @defgroup SAI_Block_MSB_LSB_transmission
* @{
*/
#define SAI_FirstBit_MSB ((uint32_t)0x00000000)
#define SAI_FirstBit_LSB ((uint32_t)SAI_xCR1_LSBFIRST)
#define IS_SAI_BLOCK_FIRST_BIT(BIT) (((BIT) == SAI_FirstBit_MSB) || \
((BIT) == SAI_FirstBit_LSB))
/**
* @}
*/
/** @defgroup SAI_Block_Clock_Strobing
* @{
*/
#define SAI_ClockStrobing_FallingEdge ((uint32_t)0x00000000)
#define SAI_ClockStrobing_RisingEdge ((uint32_t)SAI_xCR1_CKSTR)
#define IS_SAI_BLOCK_CLOCK_STROBING(CLOCK) (((CLOCK) == SAI_ClockStrobing_FallingEdge) || \
((CLOCK) == SAI_ClockStrobing_RisingEdge))
/**
* @}
*/
/** @defgroup SAI_Block_Synchronization
* @{
*/
#define SAI_Asynchronous ((uint32_t)0x00000000)
#define SAI_Synchronous ((uint32_t)SAI_xCR1_SYNCEN_0)
#define IS_SAI_BLOCK_SYNCHRO(SYNCHRO) (((SYNCHRO) == SAI_Synchronous) || \
((SYNCHRO) == SAI_Asynchronous))
/**
* @}
*/
/** @defgroup SAI_Block_Output_Drive
* @{
*/
#define SAI_OutputDrive_Disabled ((uint32_t)0x00000000)
#define SAI_OutputDrive_Enabled ((uint32_t)SAI_xCR1_OUTDRIV)
#define IS_SAI_BLOCK_OUTPUT_DRIVE(DRIVE) (((DRIVE) == SAI_OutputDrive_Disabled) || \
((DRIVE) == SAI_OutputDrive_Enabled))
/**
* @}
*/
/** @defgroup SAI_Block_NoDivider
* @{
*/
#define SAI_MasterDivider_Enabled ((uint32_t)0x00000000)
#define SAI_MasterDivider_Disabled ((uint32_t)SAI_xCR1_NODIV)
#define IS_SAI_BLOCK_NODIVIDER(NODIVIDER) (((NODIVIDER) == SAI_MasterDivider_Enabled) || \
((NODIVIDER) == SAI_MasterDivider_Disabled))
/**
* @}
*/
/** @defgroup SAI_Block_Master_Divider
* @{
*/
#define IS_SAI_BLOCK_MASTER_DIVIDER(DIVIDER) ((DIVIDER) <= 15)
/**
* @}
*/
/** @defgroup SAI_Block_Frame_Length
* @{
*/
#define IS_SAI_BLOCK_FRAME_LENGTH(LENGTH) ((8 <= (LENGTH)) && ((LENGTH) <= 256))
/**
* @}
*/
/** @defgroup SAI_Block_Active_FrameLength
* @{
*/
#define IS_SAI_BLOCK_ACTIVE_FRAME(LENGTH) ((1 <= (LENGTH)) && ((LENGTH) <= 128))
/**
* @}
*/
/** @defgroup SAI_Block_FS_Definition
* @{
*/
#define SAI_FS_StartFrame ((uint32_t)0x00000000)
#define I2S_FS_ChannelIdentification ((uint32_t)SAI_xFRCR_FSDEF)
#define IS_SAI_BLOCK_FS_DEFINITION(DEFINITION) (((DEFINITION) == SAI_FS_StartFrame) || \
((DEFINITION) == I2S_FS_ChannelIdentification))
/**
* @}
*/
/** @defgroup SAI_Block_FS_Polarity
* @{
*/
#define SAI_FS_ActiveLow ((uint32_t)0x00000000)
#define SAI_FS_ActiveHigh ((uint32_t)SAI_xFRCR_FSPO)
#define IS_SAI_BLOCK_FS_POLARITY(POLARITY) (((POLARITY) == SAI_FS_ActiveLow) || \
((POLARITY) == SAI_FS_ActiveHigh))
/**
* @}
*/
/** @defgroup SAI_Block_FS_Offset
* @{
*/
#define SAI_FS_FirstBit ((uint32_t)0x00000000)
#define SAI_FS_BeforeFirstBit ((uint32_t)SAI_xFRCR_FSOFF)
#define IS_SAI_BLOCK_FS_OFFSET(OFFSET) (((OFFSET) == SAI_FS_FirstBit) || \
((OFFSET) == SAI_FS_BeforeFirstBit))
/**
* @}
*/
/** @defgroup SAI_Block_Slot_FirstBit_Offset
* @{
*/
#define IS_SAI_BLOCK_FIRSTBIT_OFFSET(OFFSET) ((OFFSET) <= 24)
/**
* @}
*/
/** @defgroup SAI_Block_Slot_Size
* @{
*/
#define SAI_SlotSize_DataSize ((uint32_t)0x00000000)
#define SAI_SlotSize_16b ((uint32_t)SAI_xSLOTR_SLOTSZ_0)
#define SAI_SlotSize_32b ((uint32_t)SAI_xSLOTR_SLOTSZ_1)
#define IS_SAI_BLOCK_SLOT_SIZE(SIZE) (((SIZE) == SAI_SlotSize_DataSize) || \
((SIZE) == SAI_SlotSize_16b) || \
((SIZE) == SAI_SlotSize_32b))
/**
* @}
*/
/** @defgroup SAI_Block_Slot_Number
* @{
*/
#define IS_SAI_BLOCK_SLOT_NUMBER(NUMBER) ((1 <= (NUMBER)) && ((NUMBER) <= 16))
/**
* @}
*/
/** @defgroup SAI_Block_Slot_Active
* @{
*/
#define SAI_Slot_NotActive ((uint32_t)0x00000000)
#define SAI_SlotActive_0 ((uint32_t)0x00010000)
#define SAI_SlotActive_1 ((uint32_t)0x00020000)
#define SAI_SlotActive_2 ((uint32_t)0x00040000)
#define SAI_SlotActive_3 ((uint32_t)0x00080000)
#define SAI_SlotActive_4 ((uint32_t)0x00100000)
#define SAI_SlotActive_5 ((uint32_t)0x00200000)
#define SAI_SlotActive_6 ((uint32_t)0x00400000)
#define SAI_SlotActive_7 ((uint32_t)0x00800000)
#define SAI_SlotActive_8 ((uint32_t)0x01000000)
#define SAI_SlotActive_9 ((uint32_t)0x02000000)
#define SAI_SlotActive_10 ((uint32_t)0x04000000)
#define SAI_SlotActive_11 ((uint32_t)0x08000000)
#define SAI_SlotActive_12 ((uint32_t)0x10000000)
#define SAI_SlotActive_13 ((uint32_t)0x20000000)
#define SAI_SlotActive_14 ((uint32_t)0x40000000)
#define SAI_SlotActive_15 ((uint32_t)0x80000000)
#define SAI_SlotActive_ALL ((uint32_t)0xFFFF0000)
#define IS_SAI_SLOT_ACTIVE(ACTIVE) ((ACTIVE) != 0)
/**
* @}
*/
/** @defgroup SAI_Mono_Streo_Mode
* @{
*/
#define SAI_MonoMode ((uint32_t)SAI_xCR1_MONO)
#define SAI_StreoMode ((uint32_t)0x00000000)
#define IS_SAI_BLOCK_MONO_STREO_MODE(MODE) (((MODE) == SAI_MonoMode) ||\
((MODE) == SAI_StreoMode))
/**
* @}
*/
/** @defgroup SAI_TRIState_Management
* @{
*/
#define SAI_Output_NotReleased ((uint32_t)0x00000000)
#define SAI_Output_Released ((uint32_t)SAI_xCR2_TRIS)
#define IS_SAI_BLOCK_TRISTATE_MANAGEMENT(STATE) (((STATE) == SAI_Output_NotReleased) ||\
((STATE) == SAI_Output_Released))
/**
* @}
*/
/** @defgroup SAI_Block_Fifo_Threshold
* @{
*/
#define SAI_Threshold_FIFOEmpty ((uint32_t)0x00000000)
#define SAI_FIFOThreshold_1QuarterFull ((uint32_t)0x00000001)
#define SAI_FIFOThreshold_HalfFull ((uint32_t)0x00000002)
#define SAI_FIFOThreshold_3QuartersFull ((uint32_t)0x00000003)
#define SAI_FIFOThreshold_Full ((uint32_t)0x00000004)
#define IS_SAI_BLOCK_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SAI_Threshold_FIFOEmpty) || \
((THRESHOLD) == SAI_FIFOThreshold_1QuarterFull) || \
((THRESHOLD) == SAI_FIFOThreshold_HalfFull) || \
((THRESHOLD) == SAI_FIFOThreshold_3QuartersFull) || \
((THRESHOLD) == SAI_FIFOThreshold_Full))
/**
* @}
*/
/** @defgroup SAI_Block_Companding_Mode
* @{
*/
#define SAI_NoCompanding ((uint32_t)0x00000000)
#define SAI_ULaw_1CPL_Companding ((uint32_t)0x00008000)
#define SAI_ALaw_1CPL_Companding ((uint32_t)0x0000C000)
#define SAI_ULaw_2CPL_Companding ((uint32_t)0x0000A000)
#define SAI_ALaw_2CPL_Companding ((uint32_t)0x0000E000)
#define IS_SAI_BLOCK_COMPANDING_MODE(MODE) (((MODE) == SAI_NoCompanding) || \
((MODE) == SAI_ULaw_1CPL_Companding) || \
((MODE) == SAI_ALaw_1CPL_Companding) || \
((MODE) == SAI_ULaw_2CPL_Companding) || \
((MODE) == SAI_ALaw_2CPL_Companding))
/**
* @}
*/
/** @defgroup SAI_Block_Mute_Value
* @{
*/
#define SAI_ZeroValue ((uint32_t)0x00000000)
#define SAI_LastSentValue ((uint32_t)SAI_xCR2_MUTEVAL)
#define IS_SAI_BLOCK_MUTE_VALUE(VALUE) (((VALUE) == SAI_ZeroValue) || \
((VALUE) == SAI_LastSentValue))
/**
* @}
*/
/** @defgroup SAI_Block_Mute_Frame_Counter
* @{
*/
#define IS_SAI_BLOCK_MUTE_COUNTER(COUNTER) ((COUNTER) <= 63)
/**
* @}
*/
/** @defgroup SAI_Block_Interrupts_Definition
* @{
*/
#define SAI_IT_OVRUDR ((uint32_t)SAI_xIMR_OVRUDRIE)
#define SAI_IT_MUTEDET ((uint32_t)SAI_xIMR_MUTEDETIE)
#define SAI_IT_WCKCFG ((uint32_t)SAI_xIMR_WCKCFGIE)
#define SAI_IT_FREQ ((uint32_t)SAI_xIMR_FREQIE)
#define SAI_IT_CNRDY ((uint32_t)SAI_xIMR_CNRDYIE)
#define SAI_IT_AFSDET ((uint32_t)SAI_xIMR_AFSDETIE)
#define SAI_IT_LFSDET ((uint32_t)SAI_xIMR_LFSDETIE)
#define IS_SAI_BLOCK_CONFIG_IT(IT) (((IT) == SAI_IT_OVRUDR) || \
((IT) == SAI_IT_MUTEDET) || \
((IT) == SAI_IT_WCKCFG) || \
((IT) == SAI_IT_FREQ) || \
((IT) == SAI_IT_CNRDY) || \
((IT) == SAI_IT_AFSDET) || \
((IT) == SAI_IT_LFSDET))
/**
* @}
*/
/** @defgroup SAI_Block_Flags_Definition
* @{
*/
#define SAI_FLAG_OVRUDR ((uint32_t)SAI_xSR_OVRUDR)
#define SAI_FLAG_MUTEDET ((uint32_t)SAI_xSR_MUTEDET)
#define SAI_FLAG_WCKCFG ((uint32_t)SAI_xSR_WCKCFG)
#define SAI_FLAG_FREQ ((uint32_t)SAI_xSR_FREQ)
#define SAI_FLAG_CNRDY ((uint32_t)SAI_xSR_CNRDY)
#define SAI_FLAG_AFSDET ((uint32_t)SAI_xSR_AFSDET)
#define SAI_FLAG_LFSDET ((uint32_t)SAI_xSR_LFSDET)
#define IS_SAI_BLOCK_GET_FLAG(FLAG) (((FLAG) == SAI_FLAG_OVRUDR) || \
((FLAG) == SAI_FLAG_MUTEDET) || \
((FLAG) == SAI_FLAG_WCKCFG) || \
((FLAG) == SAI_FLAG_FREQ) || \
((FLAG) == SAI_FLAG_CNRDY) || \
((FLAG) == SAI_FLAG_AFSDET) || \
((FLAG) == SAI_FLAG_LFSDET))
#define IS_SAI_BLOCK_CLEAR_FLAG(FLAG) (((FLAG) == SAI_FLAG_OVRUDR) || \
((FLAG) == SAI_FLAG_MUTEDET) || \
((FLAG) == SAI_FLAG_WCKCFG) || \
((FLAG) == SAI_FLAG_FREQ) || \
((FLAG) == SAI_FLAG_CNRDY) || \
((FLAG) == SAI_FLAG_AFSDET) || \
((FLAG) == SAI_FLAG_LFSDET))
/**
* @}
*/
/** @defgroup SAI_Block_Fifo_Status_Level
* @{
*/
#define SAI_FIFOStatus_Empty ((uint32_t)0x00000000)
#define SAI_FIFOStatus_Less1QuarterFull ((uint32_t)0x00010000)
#define SAI_FIFOStatus_1QuarterFull ((uint32_t)0x00020000)
#define SAI_FIFOStatus_HalfFull ((uint32_t)0x00030000)
#define SAI_FIFOStatus_3QuartersFull ((uint32_t)0x00040000)
#define SAI_FIFOStatus_Full ((uint32_t)0x00050000)
#define IS_SAI_BLOCK_FIFO_STATUS(STATUS) (((STATUS) == SAI_FIFOStatus_Less1QuarterFull ) || \
((STATUS) == SAI_FIFOStatus_HalfFull) || \
((STATUS) == SAI_FIFOStatus_1QuarterFull) || \
((STATUS) == SAI_FIFOStatus_3QuartersFull) || \
((STATUS) == SAI_FIFOStatus_Full) || \
((STATUS) == SAI_FIFOStatus_Empty))
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/* Function used to set the SAI configuration to the default reset state *****/
void SAI_DeInit(SAI_TypeDef* SAIx);
/* Initialization and Configuration functions *********************************/
void SAI_Init(SAI_Block_TypeDef* SAI_Block_x, SAI_InitTypeDef* SAI_InitStruct);
void SAI_FrameInit(SAI_Block_TypeDef* SAI_Block_x, SAI_FrameInitTypeDef* SAI_FrameInitStruct);
void SAI_SlotInit(SAI_Block_TypeDef* SAI_Block_x, SAI_SlotInitTypeDef* SAI_SlotInitStruct);
void SAI_StructInit(SAI_InitTypeDef* SAI_InitStruct);
void SAI_FrameStructInit(SAI_FrameInitTypeDef* SAI_FrameInitStruct);
void SAI_SlotStructInit(SAI_SlotInitTypeDef* SAI_SlotInitStruct);
void SAI_Cmd(SAI_Block_TypeDef* SAI_Block_x, FunctionalState NewState);
void SAI_MonoModeConfig(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_Mono_StreoMode);
void SAI_TRIStateConfig(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_TRIState);
void SAI_CompandingModeConfig(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_CompandingMode);
void SAI_MuteModeCmd(SAI_Block_TypeDef* SAI_Block_x, FunctionalState NewState);
void SAI_MuteValueConfig(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_MuteValue);
void SAI_MuteFrameCounterConfig(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_MuteCounter);
void SAI_FlushFIFO(SAI_Block_TypeDef* SAI_Block_x);
/* Data transfers functions ***************************************************/
void SAI_SendData(SAI_Block_TypeDef* SAI_Block_x, uint32_t Data);
uint32_t SAI_ReceiveData(SAI_Block_TypeDef* SAI_Block_x);
/* DMA transfers management functions *****************************************/
void SAI_DMACmd(SAI_Block_TypeDef* SAI_Block_x, FunctionalState NewState);
/* Interrupts and flags management functions **********************************/
void SAI_ITConfig(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_IT, FunctionalState NewState);
FlagStatus SAI_GetFlagStatus(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_FLAG);
void SAI_ClearFlag(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_FLAG);
ITStatus SAI_GetITStatus(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_IT);
void SAI_ClearITPendingBit(SAI_Block_TypeDef* SAI_Block_x, uint32_t SAI_IT);
FunctionalState SAI_GetCmdStatus(SAI_Block_TypeDef* SAI_Block_x);
uint32_t SAI_GetFIFOStatus(SAI_Block_TypeDef* SAI_Block_x);
#ifdef __cplusplus
}
#endif
#endif /*__STM32F4xx_SAI_H */
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/