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stm32l4xx_hal_sai.h

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00001 /**
00002   ******************************************************************************
00003   * @file    stm32l4xx_hal_sai.h
00004   * @author  MCD Application Team
00005   * @version V1.1.0
00006   * @date    16-September-2015
00007   * @brief   Header file of SAI HAL module.
00008   ******************************************************************************
00009   * @attention
00010   *
00011   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
00012   *
00013   * Redistribution and use in source and binary forms, with or without modification,
00014   * are permitted provided that the following conditions are met:
00015   *   1. Redistributions of source code must retain the above copyright notice,
00016   *      this list of conditions and the following disclaimer.
00017   *   2. Redistributions in binary form must reproduce the above copyright notice,
00018   *      this list of conditions and the following disclaimer in the documentation
00019   *      and/or other materials provided with the distribution.
00020   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00021   *      may be used to endorse or promote products derived from this software
00022   *      without specific prior written permission.
00023   *
00024   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00025   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00026   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00028   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00029   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00030   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00031   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00032   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00033   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034   *
00035   ******************************************************************************
00036   */ 
00037 
00038 /* Define to prevent recursive inclusion -------------------------------------*/
00039 #ifndef __STM32L4xx_HAL_SAI_H
00040 #define __STM32L4xx_HAL_SAI_H
00041 
00042 #ifdef __cplusplus
00043  extern "C" {
00044 #endif
00045 
00046 /* Includes ------------------------------------------------------------------*/
00047 #include "stm32l4xx_hal_def.h"  
00048 
00049 /** @addtogroup STM32L4xx_HAL_Driver
00050   * @{
00051   */
00052 
00053 /** @addtogroup SAI
00054   * @{
00055   */ 
00056   
00057 /* Exported types ------------------------------------------------------------*/ 
00058 /** @defgroup SAI_Exported_Types SAI Exported Types
00059   * @{
00060   */
00061  
00062 /** 
00063   * @brief  HAL State structures definition  
00064   */ 
00065 typedef enum
00066 {
00067   HAL_SAI_STATE_RESET      = 0x00,  /*!< SAI not yet initialized or disabled                */
00068   HAL_SAI_STATE_READY      = 0x01,  /*!< SAI initialized and ready for use                  */
00069   HAL_SAI_STATE_BUSY       = 0x02,  /*!< SAI internal process is ongoing                    */
00070   HAL_SAI_STATE_BUSY_TX    = 0x12,  /*!< Data transmission process is ongoing               */ 
00071   HAL_SAI_STATE_BUSY_RX    = 0x22   /*!< Data reception process is ongoing                  */                                                                   
00072 }HAL_SAI_StateTypeDef;
00073 
00074 /** 
00075   * @brief  SAI Callback prototype 
00076   */
00077 typedef void (*SAIcallback)(void);
00078 
00079 /** @defgroup SAI_Block_SyncExt SAI External synchronisation
00080   * @{
00081   */
00082 #define SAI_SYNCEXT_DISABLE          0
00083 #define SAI_SYNCEXT_IN_ENABLE        1
00084 #define SAI_SYNCEXT_OUTBLOCKA_ENABLE 2
00085 #define SAI_SYNCEXT_OUTBLOCKB_ENABLE 3
00086 
00087 /**
00088   * @}
00089   */
00090 
00091 /** @defgroup SAI_Protocol SAI Supported protocol
00092   * @{
00093   */
00094 #define SAI_I2S_STANDARD      0
00095 #define SAI_I2S_MSBJUSTIFIED  1
00096 #define SAI_I2S_LSBJUSTIFIED  2
00097 #define SAI_PCM_LONG          3
00098 #define SAI_PCM_SHORT         4
00099 
00100 /**
00101   * @}
00102   */
00103 
00104 /** @defgroup SAI_Protocol_DataSize SAI protocol data size
00105   * @{
00106   */
00107 #define SAI_PROTOCOL_DATASIZE_16BIT         0
00108 #define SAI_PROTOCOL_DATASIZE_16BITEXTENDED 1
00109 #define SAI_PROTOCOL_DATASIZE_24BIT         2
00110 #define SAI_PROTOCOL_DATASIZE_32BIT         3
00111 
00112 /**
00113   * @}
00114   */
00115 
00116 /** @defgroup SAI_Init_Structure_definition SAI Init Structure definition
00117   * @brief  SAI Init Structure definition
00118   * @{
00119   */
00120 typedef struct
00121 {
00122   uint32_t AudioMode;           /*!< Specifies the SAI Block audio Mode. 
00123                                      This parameter can be a value of @ref SAI_Block_Mode                 */
00124 
00125   uint32_t Synchro;             /*!< Specifies SAI Block synchronization
00126                                      This parameter can be a value of @ref SAI_Block_Synchronization      */
00127  
00128   uint32_t SynchroExt;          /*!< Specifies SAI Block synchronization, this setup is common 
00129                                      for BLOCKA and BLOB
00130                                      This parameter can be a value of @ref SAI_Block_SyncExt              */
00131 
00132   uint32_t OutputDrive;         /*!< Specifies when SAI Block outputs are driven.
00133                                      This parameter can be a value of @ref SAI_Block_Output_Drive
00134                                      @note this value has to be set before enabling the audio block  
00135                                      but after the audio block configuration.                           */
00136 
00137   uint32_t NoDivider;           /*!< Specifies whether master clock will be divided or not.
00138                                      This parameter can be a value of @ref SAI_Block_NoDivider
00139                                      @note: If bit NODIV in the SAI_xCR1 register is cleared, the frame length 
00140                                             should be aligned to a number equal to a power of 2, from 8 to 256.
00141                                             If bit NODIV in the SAI_xCR1 register is set, the frame length can 
00142                                             take any of the values without constraint since the input clock of 
00143                                             the audio block should be equal to the bit clock.
00144                                              There is no MCLK_x clock which can be output.                */
00145   
00146   uint32_t FIFOThreshold;       /*!< Specifies SAI Block FIFO threshold.
00147                                      This parameter can be a value of @ref SAI_Block_Fifo_Threshold       */
00148 
00149   uint32_t AudioFrequency;      /*!< Specifies the audio frequency sampling.     
00150                                      This parameter can be a value of @ref SAI_Audio_Frequency            */
00151 
00152   uint32_t Mckdiv;              /*!< Specifies the master clock divider, the parameter will be used if for 
00153                                      AudioFrequency the user choice 
00154                                      This parameter must be a number between Min_Data = 0 and Max_Data = 15  */
00155 
00156   uint32_t MonoStereoMode;      /*!< Specifies if the mono or stereo mode is selected.     
00157                                      This parameter can be a value of @ref SAI_Mono_Stereo_Mode                */  
00158                                    
00159   uint32_t CompandingMode;      /*!< Specifies the companding mode type.     
00160                                      This parameter can be a value of @ref SAI_Block_Companding_Mode      */
00161   
00162   uint32_t TriState;            /*!< Specifies the companding mode type.     
00163                                      This parameter can be a value of @ref SAI_TRIState_Management        */
00164                                    
00165   /* This part of the structure is automatically filled if your are using the high level initialisation 
00166      function HAL_SAI_InitProtocol                                                                    */
00167 
00168   uint32_t Protocol;        /*!< Specifies the SAI Block protocol.
00169                                  This parameter can be a value of @ref SAI_Block_Protocol             */
00170 
00171   uint32_t DataSize;        /*!< Specifies the SAI Block data size.
00172                                  This parameter can be a value of @ref SAI_Block_Data_Size            */
00173 
00174   uint32_t FirstBit;        /*!< Specifies whether data transfers start from MSB or LSB bit.
00175                                  This parameter can be a value of @ref SAI_Block_MSB_LSB_transmission */
00176 
00177   uint32_t ClockStrobing;   /*!< Specifies the SAI Block clock strobing edge sensitivity.
00178                                  This parameter can be a value of @ref SAI_Block_Clock_Strobing       */
00179 }SAI_InitTypeDef;
00180 /** 
00181   * @}
00182   */
00183 
00184 /** @defgroup SAI_Frame_Structure_definition SAI Frame Structure definition
00185   * @brief  SAI Frame Init structure definition
00186   * @{
00187   */
00188 typedef struct
00189 {
00190 
00191   uint32_t FrameLength;         /*!< Specifies the Frame length, the number of SCK clocks for each audio frame.
00192                                      This parameter must be a number between Min_Data = 8 and Max_Data = 256.
00193                                      @note: If master clock MCLK_x pin is declared as an output, the frame length
00194                                             should be aligned to a number equal to power of 2 in order to keep 
00195                                             in an audio frame, an integer number of MCLK pulses by bit Clock. */                                               
00196                                                                             
00197   uint32_t ActiveFrameLength;  /*!< Specifies the Frame synchronization active level length.
00198                                     This Parameter specifies the length in number of bit clock (SCK + 1)  
00199                                     of the active level of FS signal in audio frame.
00200                                     This parameter must be a number between Min_Data = 1 and Max_Data = 128   */
00201                                          
00202   uint32_t FSDefinition;       /*!< Specifies the Frame synchronization definition.
00203                                     This parameter can be a value of @ref SAI_Block_FS_Definition             */
00204                                          
00205   uint32_t FSPolarity;         /*!< Specifies the Frame synchronization Polarity.
00206                                     This parameter can be a value of @ref SAI_Block_FS_Polarity               */
00207 
00208   uint32_t FSOffset;           /*!< Specifies the Frame synchronization Offset.
00209                                     This parameter can be a value of @ref SAI_Block_FS_Offset                 */
00210 
00211 }SAI_FrameInitTypeDef;
00212 /** 
00213   * @}
00214   */
00215 
00216 /** @defgroup SAI_Slot_Structure_definition SAI Slot Structure definition
00217   * @brief   SAI Block Slot Init Structure definition
00218   * @{
00219   */    
00220 
00221 typedef struct
00222 {
00223   uint32_t FirstBitOffset;  /*!< Specifies the position of first data transfer bit in the slot.
00224                                  This parameter must be a number between Min_Data = 0 and Max_Data = 24 */
00225 
00226   uint32_t SlotSize;        /*!< Specifies the Slot Size.
00227                                  This parameter can be a value of @ref SAI_Block_Slot_Size              */
00228 
00229   uint32_t SlotNumber;      /*!< Specifies the number of slot in the audio frame.
00230                                  This parameter must be a number between Min_Data = 1 and Max_Data = 16 */
00231 
00232   uint32_t SlotActive;      /*!< Specifies the slots in audio frame that will be activated.
00233                                  This parameter can be a value of @ref SAI_Block_Slot_Active            */
00234 }SAI_SlotInitTypeDef;
00235 /** 
00236   * @}
00237   */
00238 
00239 /** @defgroup SAI_Handle_Structure_definition SAI Handle Structure definition
00240   * @brief  SAI handle Structure definition  
00241   * @{
00242   */
00243 typedef struct __SAI_HandleTypeDef
00244 {
00245   SAI_Block_TypeDef         *Instance;  /*!< SAI Blockx registers base address */
00246 
00247   SAI_InitTypeDef           Init;       /*!< SAI communication parameters      */
00248 
00249   SAI_FrameInitTypeDef      FrameInit;  /*!< SAI Frame configuration parameters*/
00250 
00251   SAI_SlotInitTypeDef       SlotInit;   /*!< SAI Slot configuration parameters */
00252 
00253   uint8_t                  *pBuffPtr;   /*!< Pointer to SAI transfer Buffer   */
00254 
00255   uint16_t                  XferSize;    /*!< SAI transfer size                */
00256 
00257   uint16_t                  XferCount;   /*!< SAI transfer counter             */
00258   
00259   DMA_HandleTypeDef         *hdmatx;     /*!< SAI DMA tx handle parameters      */
00260 
00261   DMA_HandleTypeDef         *hdmarx;     /*!< SAI DMA rx handle parameters      */
00262 
00263   SAIcallback               mutecallback;/*!< SAI mute callback                */
00264   
00265   void (*InterruptServiceRoutine)(struct __SAI_HandleTypeDef *hsai); /* function pointer for IRQ handler   */
00266 
00267   HAL_LockTypeDef           Lock;        /*!< SAI locking object               */
00268 
00269   HAL_SAI_StateTypeDef      State;       /*!< SAI communication state          */
00270 
00271   uint32_t                  ErrorCode;   /*!< SAI Error code                   */
00272 }SAI_HandleTypeDef;
00273 /** 
00274   * @}
00275   */
00276 
00277 /**
00278   * @}
00279   */
00280 
00281 /* Exported constants --------------------------------------------------------*/
00282 
00283 /** @defgroup SAI_Exported_Constants SAI Exported Constants
00284   * @{
00285   */
00286 
00287 /** @defgroup SAI_Error_Code SAI Error Code 
00288   * @{
00289   */ 
00290 #define HAL_SAI_ERROR_NONE    (uint32_t)0x00000000  /*!< No error                                    */
00291 #define HAL_SAI_ERROR_OVR     (uint32_t)0x00000001  /*!< Overrun Error                               */
00292 #define HAL_SAI_ERROR_UDR     (uint32_t)0x00000002  /*!< Underrun error                              */
00293 #define HAL_SAI_ERROR_AFSDET  (uint32_t)0x00000004  /*!< Anticipated Frame synchronisation detection */
00294 #define HAL_SAI_ERROR_LFSDET  (uint32_t)0x00000008  /*!< Late Frame synchronisation detection        */
00295 #define HAL_SAI_ERROR_CNREADY (uint32_t)0x00000010  /*!< codec not ready                             */
00296 #define HAL_SAI_ERROR_WCKCFG  (uint32_t)0x00000020  /*!< Wrong clock configuration                   */
00297 /**
00298   * @}
00299   */
00300 
00301 /** @defgroup SAI_Audio_Frequency SAI Audio Frequency
00302   * @{
00303   */
00304 #define SAI_AUDIO_FREQUENCY_192K          ((uint32_t)192000)
00305 #define SAI_AUDIO_FREQUENCY_96K           ((uint32_t)96000)
00306 #define SAI_AUDIO_FREQUENCY_48K           ((uint32_t)48000)
00307 #define SAI_AUDIO_FREQUENCY_44K           ((uint32_t)44100)
00308 #define SAI_AUDIO_FREQUENCY_32K           ((uint32_t)32000)
00309 #define SAI_AUDIO_FREQUENCY_22K           ((uint32_t)22050)
00310 #define SAI_AUDIO_FREQUENCY_16K           ((uint32_t)16000)
00311 #define SAI_AUDIO_FREQUENCY_11K           ((uint32_t)11025)
00312 #define SAI_AUDIO_FREQUENCY_8K            ((uint32_t)8000)    
00313 #define SAI_AUDIO_FREQUENCY_MCKDIV        ((uint32_t)0)
00314 
00315 /**
00316   * @}
00317   */
00318 
00319 /** @defgroup SAI_Block_Mode SAI Block Mode
00320   * @{
00321   */
00322 #define SAI_MODEMASTER_TX         ((uint32_t)0x00000000)
00323 #define SAI_MODEMASTER_RX         (SAI_xCR1_MODE_0)
00324 #define SAI_MODESLAVE_TX          (SAI_xCR1_MODE_1)
00325 #define SAI_MODESLAVE_RX          (SAI_xCR1_MODE_1 | SAI_xCR1_MODE_0)
00326 
00327 /**
00328   * @}
00329   */
00330 
00331 /** @defgroup SAI_Block_Protocol SAI Block Protocol
00332   * @{
00333   */
00334 #define SAI_FREE_PROTOCOL                 ((uint32_t)0x00000000)
00335 #define SAI_SPDIF_PROTOCOL                (SAI_xCR1_PRTCFG_0)
00336 #define SAI_AC97_PROTOCOL                 (SAI_xCR1_PRTCFG_1)
00337 
00338 /**
00339   * @}
00340   */
00341 
00342 /** @defgroup SAI_Block_Data_Size SAI Block Data Size
00343   * @{
00344   */
00345 #define SAI_DATASIZE_8     (SAI_xCR1_DS_1)
00346 #define SAI_DATASIZE_10    (SAI_xCR1_DS_1 | SAI_xCR1_DS_0)
00347 #define SAI_DATASIZE_16    (SAI_xCR1_DS_2)
00348 #define SAI_DATASIZE_20    (SAI_xCR1_DS_2 | SAI_xCR1_DS_0)
00349 #define SAI_DATASIZE_24    (SAI_xCR1_DS_2 | SAI_xCR1_DS_1)
00350 #define SAI_DATASIZE_32    (SAI_xCR1_DS_2 | SAI_xCR1_DS_1 | SAI_xCR1_DS_0)
00351 
00352 /**
00353   * @}
00354   */ 
00355 
00356 /** @defgroup SAI_Block_MSB_LSB_transmission SAI Block MSB LSB transmission 
00357   * @{
00358   */
00359 #define SAI_FIRSTBIT_MSB                  ((uint32_t)0x00000000)
00360 #define SAI_FIRSTBIT_LSB                  ((uint32_t)SAI_xCR1_LSBFIRST)
00361 
00362 /**
00363   * @}
00364   */
00365 
00366 /** @defgroup SAI_Block_Clock_Strobing SAI Block Clock Strobing
00367   * @{
00368   */
00369 #define SAI_CLOCKSTROBING_FALLINGEDGE     ((uint32_t)0x00000000)
00370 #define SAI_CLOCKSTROBING_RISINGEDGE      ((uint32_t)SAI_xCR1_CKSTR)
00371 
00372 /**
00373   * @}
00374   */
00375 
00376 /** @defgroup SAI_Block_Synchronization SAI Block Synchronization
00377   * @{
00378   */
00379 #define SAI_ASYNCHRONOUS                  ((uint32_t)0x00000000)
00380 #define SAI_SYNCHRONOUS                   ((uint32_t)SAI_xCR1_SYNCEN_0)
00381 #define SAI_SYNCHRONOUS_EXT               ((uint32_t)SAI_xCR1_SYNCEN_1) 
00382 
00383 /**
00384   * @}
00385   */ 
00386 
00387 /** @defgroup SAI_Block_Output_Drive SAI Block Output Drive 
00388   * @{
00389   */
00390 #define SAI_OUTPUTDRIVE_DISABLE          ((uint32_t)0x00000000)
00391 #define SAI_OUTPUTDRIVE_ENABLE           ((uint32_t)SAI_xCR1_OUTDRIV)
00392 
00393 /**
00394   * @}
00395   */ 
00396 
00397 /** @defgroup SAI_Block_NoDivider SAI Block NoDivider
00398   * @{
00399   */
00400 #define SAI_MASTERDIVIDER_ENABLE         ((uint32_t)0x00000000)
00401 #define SAI_MASTERDIVIDER_DISABLE        ((uint32_t)SAI_xCR1_NODIV)
00402 
00403 /**
00404   * @}
00405   */
00406   
00407 
00408 /** @defgroup SAI_Block_FS_Definition SAI Block FS Definition
00409   * @{
00410   */
00411 #define SAI_FS_STARTFRAME                 ((uint32_t)0x00000000)
00412 #define SAI_FS_CHANNEL_IDENTIFICATION     ((uint32_t)SAI_xFRCR_FSDEF)
00413 
00414 /**
00415   * @}
00416   */
00417 
00418 /** @defgroup SAI_Block_FS_Polarity SAI Block FS Polarity 
00419   * @{
00420   */
00421 #define SAI_FS_ACTIVE_LOW                  ((uint32_t)0x00000000)
00422 #define SAI_FS_ACTIVE_HIGH                 ((uint32_t)SAI_xFRCR_FSPO)
00423 
00424 /**
00425   * @}
00426   */
00427             
00428 /** @defgroup SAI_Block_FS_Offset SAI Block FS Offset 
00429   * @{
00430   */
00431 #define SAI_FS_FIRSTBIT                   ((uint32_t)0x00000000)
00432 #define SAI_FS_BEFOREFIRSTBIT             ((uint32_t)SAI_xFRCR_FSOFF)
00433 
00434 /**
00435   * @}
00436   */
00437   
00438 
00439   /** @defgroup SAI_Block_Slot_Size SAI Block Slot Size
00440   * @{
00441   */
00442 #define SAI_SLOTSIZE_DATASIZE             ((uint32_t)0x00000000)  
00443 #define SAI_SLOTSIZE_16B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_0)
00444 #define SAI_SLOTSIZE_32B                  ((uint32_t)SAI_xSLOTR_SLOTSZ_1)
00445 /**
00446   * @}
00447   */
00448   
00449 /** @defgroup SAI_Block_Slot_Active SAI Block Slot Active
00450   * @{
00451   */
00452 #define SAI_SLOT_NOTACTIVE           ((uint32_t)0x00000000)
00453 #define SAI_SLOTACTIVE_0             ((uint32_t)0x00010000)
00454 #define SAI_SLOTACTIVE_1             ((uint32_t)0x00020000)
00455 #define SAI_SLOTACTIVE_2             ((uint32_t)0x00040000)
00456 #define SAI_SLOTACTIVE_3             ((uint32_t)0x00080000)
00457 #define SAI_SLOTACTIVE_4             ((uint32_t)0x00100000)
00458 #define SAI_SLOTACTIVE_5             ((uint32_t)0x00200000)
00459 #define SAI_SLOTACTIVE_6             ((uint32_t)0x00400000)
00460 #define SAI_SLOTACTIVE_7             ((uint32_t)0x00800000)
00461 #define SAI_SLOTACTIVE_8             ((uint32_t)0x01000000)
00462 #define SAI_SLOTACTIVE_9             ((uint32_t)0x02000000)
00463 #define SAI_SLOTACTIVE_10            ((uint32_t)0x04000000)
00464 #define SAI_SLOTACTIVE_11            ((uint32_t)0x08000000)
00465 #define SAI_SLOTACTIVE_12            ((uint32_t)0x10000000)
00466 #define SAI_SLOTACTIVE_13            ((uint32_t)0x20000000)
00467 #define SAI_SLOTACTIVE_14            ((uint32_t)0x40000000)
00468 #define SAI_SLOTACTIVE_15            ((uint32_t)0x80000000)
00469 #define SAI_SLOTACTIVE_ALL           ((uint32_t)0xFFFF0000)
00470 
00471 /**
00472   * @}
00473   */
00474 
00475 /** @defgroup SAI_Mono_Stereo_Mode SAI Mono Stereo Mode
00476   * @{
00477   */
00478 #define SAI_STEREOMODE               ((uint32_t)0x00000000)
00479 #define SAI_MONOMODE                 ((uint32_t)SAI_xCR1_MONO)
00480 
00481 /**
00482   * @}
00483   */
00484 
00485 /** @defgroup SAI_TRIState_Management SAI TRIState Management
00486   * @{
00487   */
00488 #define SAI_OUTPUT_NOTRELEASED    ((uint32_t)0x00000000)
00489 #define SAI_OUTPUT_RELEASED       ((uint32_t)SAI_xCR2_TRIS)
00490 
00491 /**
00492   * @}
00493   */
00494 
00495 /** @defgroup SAI_Block_Fifo_Threshold SAI Block Fifo Threshold 
00496   * @{
00497   */
00498 #define SAI_FIFOTHRESHOLD_EMPTY  ((uint32_t)0x00000000)
00499 #define SAI_FIFOTHRESHOLD_1QF    ((uint32_t)(                                SAI_xCR2_FTH_0))
00500 #define SAI_FIFOTHRESHOLD_HF     ((uint32_t)(               SAI_xCR2_FTH_1))
00501 #define SAI_FIFOTHRESHOLD_3QF    ((uint32_t)(               SAI_xCR2_FTH_1 | SAI_xCR2_FTH_0))
00502 #define SAI_FIFOTHRESHOLD_FULL   ((uint32_t) SAI_xCR2_FTH_2)
00503 
00504 /**
00505   * @}
00506   */
00507   
00508 /** @defgroup SAI_Block_Companding_Mode SAI Block Companding Mode
00509   * @{
00510   */
00511 #define SAI_NOCOMPANDING                 ((uint32_t)0x00000000)
00512 #define SAI_ULAW_1CPL_COMPANDING          ((uint32_t)SAI_xCR2_COMP_1)
00513 #define SAI_ALAW_1CPL_COMPANDING          ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0))
00514 #define SAI_ULAW_2CPL_COMPANDING          ((uint32_t)(SAI_xCR2_COMP_1                   | SAI_xCR2_CPL))
00515 #define SAI_ALAW_2CPL_COMPANDING          ((uint32_t)(SAI_xCR2_COMP_1 | SAI_xCR2_COMP_0 | SAI_xCR2_CPL))
00516 
00517 /**
00518   * @}
00519   */
00520 
00521 /** @defgroup SAI_Block_Mute_Value SAI Block Mute Value
00522   * @{
00523   */
00524 #define SAI_ZERO_VALUE                     ((uint32_t)0x00000000)
00525 #define SAI_LAST_SENT_VALUE                ((uint32_t)SAI_xCR2_MUTEVAL)
00526 
00527 /**
00528   * @}
00529   */
00530 
00531 
00532 /** @defgroup SAI_Block_Interrupts_Definition SAI Block Interrupts Definition
00533   * @{
00534   */
00535 #define SAI_IT_OVRUDR                     ((uint32_t)SAI_xIMR_OVRUDRIE)
00536 #define SAI_IT_MUTEDET                    ((uint32_t)SAI_xIMR_MUTEDETIE)
00537 #define SAI_IT_WCKCFG                     ((uint32_t)SAI_xIMR_WCKCFGIE)
00538 #define SAI_IT_FREQ                       ((uint32_t)SAI_xIMR_FREQIE)
00539 #define SAI_IT_CNRDY                      ((uint32_t)SAI_xIMR_CNRDYIE)
00540 #define SAI_IT_AFSDET                     ((uint32_t)SAI_xIMR_AFSDETIE)
00541 #define SAI_IT_LFSDET                     ((uint32_t)SAI_xIMR_LFSDETIE)
00542 
00543 /**
00544   * @}
00545   */
00546 
00547 /** @defgroup SAI_Block_Flags_Definition  SAI Block Flags Definition
00548   * @{
00549   */
00550 #define SAI_FLAG_OVRUDR                   ((uint32_t)SAI_xSR_OVRUDR)
00551 #define SAI_FLAG_MUTEDET                  ((uint32_t)SAI_xSR_MUTEDET)
00552 #define SAI_FLAG_WCKCFG                   ((uint32_t)SAI_xSR_WCKCFG)
00553 #define SAI_FLAG_FREQ                     ((uint32_t)SAI_xSR_FREQ)
00554 #define SAI_FLAG_CNRDY                    ((uint32_t)SAI_xSR_CNRDY)
00555 #define SAI_FLAG_AFSDET                   ((uint32_t)SAI_xSR_AFSDET)
00556 #define SAI_FLAG_LFSDET                   ((uint32_t)SAI_xSR_LFSDET)
00557 
00558 /**
00559   * @}
00560   */
00561   
00562 /** @defgroup SAI_Block_Fifo_Status_Level   SAI Block Fifo Status Level
00563   * @{
00564   */
00565 #define SAI_FIFOSTATUS_EMPTY              ((uint32_t)0x00000000)
00566 #define SAI_FIFOSTATUS_LESS1QUARTERFULL   ((uint32_t)0x00010000)
00567 #define SAI_FIFOSTATUS_1QUARTERFULL       ((uint32_t)0x00020000)
00568 #define SAI_FIFOSTATUS_HALFFULL           ((uint32_t)0x00030000) 
00569 #define SAI_FIFOSTATUS_3QUARTERFULL       ((uint32_t)0x00040000)
00570 #define SAI_FIFOSTATUS_FULL               ((uint32_t)0x00050000)
00571 /**
00572   * @}
00573   */
00574   
00575 /**
00576   * @}
00577   */
00578   
00579 /* Exported macro ------------------------------------------------------------*/
00580 
00581 /** @defgroup SAI_Exported_Macros SAI Exported Macros
00582  *  @brief macros to handle interrupts and specific configurations
00583  * @{
00584  */
00585  
00586 /** @brief Reset SAI handle state.
00587   * @param  __HANDLE__: specifies the SAI Handle.
00588   * @retval None
00589   */
00590 #define __HAL_SAI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SAI_STATE_RESET)
00591 
00592 /** @brief  Enable or disable the specified SAI interrupts.
00593   * @param  __HANDLE__: specifies the SAI Handle.
00594   * @param  __INTERRUPT__: specifies the interrupt source to enable or disable.
00595   *         This parameter can be one of the following values:
00596   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable                              
00597   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable                               
00598   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable                    
00599   *            @arg SAI_IT_FREQ: FIFO request interrupt enable                                  
00600   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable                               
00601   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable   
00602   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
00603   * @retval None
00604   */
00605   
00606 #define __HAL_SAI_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->IMR |= (__INTERRUPT__))
00607 #define __HAL_SAI_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->IMR &= (~(__INTERRUPT__)))
00608  
00609 /** @brief  Check whether the specified SAI interrupt source is enabled or not.
00610   * @param  __HANDLE__: specifies the SAI Handle.
00611   * @param  __INTERRUPT__: specifies the SAI interrupt source to check.
00612   *         This parameter can be one of the following values:
00613   *            @arg SAI_IT_OVRUDR: Overrun underrun interrupt enable                              
00614   *            @arg SAI_IT_MUTEDET: Mute detection interrupt enable                               
00615   *            @arg SAI_IT_WCKCFG: Wrong Clock Configuration interrupt enable                    
00616   *            @arg SAI_IT_FREQ: FIFO request interrupt enable                                  
00617   *            @arg SAI_IT_CNRDY: Codec not ready interrupt enable                               
00618   *            @arg SAI_IT_AFSDET: Anticipated frame synchronization detection interrupt enable   
00619   *            @arg SAI_IT_LFSDET: Late frame synchronization detection interrupt enable
00620   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
00621   */
00622 #define __HAL_SAI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IMR & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
00623 
00624 /** @brief  Check whether the specified SAI flag is set or not.
00625   * @param  __HANDLE__: specifies the SAI Handle.
00626   * @param  __FLAG__: specifies the flag to check.
00627   *         This parameter can be one of the following values:
00628   *            @arg SAI_FLAG_OVRUDR: Overrun underrun flag.
00629   *            @arg SAI_FLAG_MUTEDET: Mute detection flag.
00630   *            @arg SAI_FLAG_WCKCFG: Wrong Clock Configuration flag.
00631   *            @arg SAI_FLAG_FREQ: FIFO request flag.
00632   *            @arg SAI_FLAG_CNRDY: Codec not ready flag.
00633   *            @arg SAI_FLAG_AFSDET: Anticipated frame synchronization detection flag.
00634   *            @arg SAI_FLAG_LFSDET: Late frame synchronization detection flag.  
00635   * @retval The new state of __FLAG__ (TRUE or FALSE).
00636   */
00637 #define __HAL_SAI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
00638 
00639 /** @brief  Clear the specified SAI pending flag.
00640   * @param  __HANDLE__: specifies the SAI Handle.
00641   * @param  __FLAG__: specifies the flag to check.
00642   *          This parameter can be any combination of the following values:
00643   *            @arg SAI_FLAG_OVRUDR: Clear Overrun underrun  
00644   *            @arg SAI_FLAG_MUTEDET: Clear Mute detection 
00645   *            @arg SAI_FLAG_WCKCFG: Clear Wrong Clock Configuration  
00646   *            @arg SAI_FLAG_FREQ: Clear FIFO request   
00647   *            @arg SAI_FLAG_CNRDY: Clear Codec not ready
00648   *            @arg SAI_FLAG_AFSDET: Clear Anticipated frame synchronization detection
00649   *            @arg SAI_FLAG_LFSDET: Clear Late frame synchronization detection
00650   *   
00651   * @retval None
00652   */
00653 #define __HAL_SAI_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->CLRFR = (__FLAG__))                                        
00654 
00655 #define __HAL_SAI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |=  SAI_xCR1_SAIEN)
00656 #define __HAL_SAI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &=  ~SAI_xCR1_SAIEN)
00657  
00658  /**
00659   * @}
00660   */
00661                                                                                 
00662 /* Exported functions --------------------------------------------------------*/
00663 
00664 /** @addtogroup SAI_Exported_Functions
00665   * @{
00666   */
00667 
00668 /* Initialization/de-initialization functions  **********************************/
00669 /** @addtogroup SAI_Exported_Functions_Group1
00670   * @{
00671   */
00672 HAL_StatusTypeDef HAL_SAI_Init(SAI_HandleTypeDef *hsai);
00673 HAL_StatusTypeDef HAL_SAI_InitProtocol(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot);
00674 HAL_StatusTypeDef HAL_SAI_DeInit (SAI_HandleTypeDef *hsai);
00675 void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai);
00676 void HAL_SAI_MspDeInit(SAI_HandleTypeDef *hsai);
00677 
00678 /**
00679   * @}
00680   */
00681 
00682 /* I/O operation functions  *****************************************************/
00683 /** @addtogroup SAI_Exported_Functions_Group2
00684   * @{
00685   */
00686 /* Blocking mode: Polling */
00687 HAL_StatusTypeDef HAL_SAI_Transmit(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
00688 HAL_StatusTypeDef HAL_SAI_Receive(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout);
00689 
00690 /* Non-Blocking mode: Interrupt */
00691 HAL_StatusTypeDef HAL_SAI_Transmit_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
00692 HAL_StatusTypeDef HAL_SAI_Receive_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
00693 
00694 /* Non-Blocking mode: DMA */
00695 HAL_StatusTypeDef HAL_SAI_Transmit_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
00696 HAL_StatusTypeDef HAL_SAI_Receive_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size);
00697 HAL_StatusTypeDef HAL_SAI_DMAPause(SAI_HandleTypeDef *hsai);
00698 HAL_StatusTypeDef HAL_SAI_DMAResume(SAI_HandleTypeDef *hsai);
00699 HAL_StatusTypeDef HAL_SAI_DMAStop(SAI_HandleTypeDef *hsai);
00700 
00701 /* Abort function */
00702 HAL_StatusTypeDef HAL_SAI_Abort(SAI_HandleTypeDef *hsai);
00703 
00704 /* Mute management */
00705 HAL_StatusTypeDef HAL_SAI_EnableTxMuteMode(SAI_HandleTypeDef *hsai, uint16_t val);
00706 HAL_StatusTypeDef HAL_SAI_DisableTxMuteMode(SAI_HandleTypeDef *hsai);
00707 HAL_StatusTypeDef HAL_SAI_EnableRxMuteMode(SAI_HandleTypeDef *hsai, SAIcallback callback, uint16_t counter);
00708 HAL_StatusTypeDef HAL_SAI_DisableRxMuteMode(SAI_HandleTypeDef *hsai);
00709 
00710 /* SAI IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
00711 void HAL_SAI_IRQHandler(SAI_HandleTypeDef *hsai);
00712 void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai);
00713 void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai);
00714 void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai);
00715 void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai);
00716 void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai);
00717 /**
00718   * @}
00719   */
00720 
00721 /** @addtogroup SAI_Exported_Functions_Group3
00722   * @{
00723   */
00724 /* Peripheral State functions  **************************************************/
00725 HAL_SAI_StateTypeDef HAL_SAI_GetState(SAI_HandleTypeDef *hsai);
00726 uint32_t HAL_SAI_GetError(SAI_HandleTypeDef *hsai);
00727 /**
00728   * @}
00729   */
00730   
00731 /**
00732   * @}
00733   */
00734 
00735 /* Private types -------------------------------------------------------------*/
00736 /* Private variables ---------------------------------------------------------*/
00737 
00738 /* Private constants ---------------------------------------------------------*/
00739 /** @defgroup SAI_Private_Constants SAI Private Constants
00740   * @{
00741   */
00742 
00743 /**
00744   * @}
00745   */ 
00746 
00747 /* Private macros ------------------------------------------------------------*/
00748 /** @addtogroup SAI_Private_Macros
00749   * @{
00750   */
00751 #define IS_SAI_AUDIO_FREQUENCY(AUDIO) (((AUDIO) == SAI_AUDIO_FREQUENCY_192K) || ((AUDIO) == SAI_AUDIO_FREQUENCY_96K) || \
00752                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_48K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_44K) || \
00753                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_32K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_22K) || \
00754                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_16K)  || ((AUDIO) == SAI_AUDIO_FREQUENCY_11K) || \
00755                                        ((AUDIO) == SAI_AUDIO_FREQUENCY_8K)   || ((AUDIO) == SAI_AUDIO_FREQUENCY_MCKDIV))
00756 
00757 #define IS_SAI_BLOCK_MODE(MODE)  (((MODE) == SAI_MODEMASTER_TX) || \
00758                                   ((MODE) == SAI_MODEMASTER_RX) || \
00759                                   ((MODE) == SAI_MODESLAVE_TX)  || \
00760                                   ((MODE) == SAI_MODESLAVE_RX))
00761 
00762 #define IS_SAI_BLOCK_PROTOCOL(PROTOCOL) (((PROTOCOL) == SAI_FREE_PROTOCOL)  || \
00763                                          ((PROTOCOL) == SAI_AC97_PROTOCOL)  || \
00764                                          ((PROTOCOL) == SAI_SPDIF_PROTOCOL)) 
00765 
00766 #define IS_SAI_BLOCK_DATASIZE(DATASIZE) (((DATASIZE) == SAI_DATASIZE_8)  || \
00767                                          ((DATASIZE) == SAI_DATASIZE_10) || \
00768                                          ((DATASIZE) == SAI_DATASIZE_16) || \
00769                                          ((DATASIZE) == SAI_DATASIZE_20) || \
00770                                          ((DATASIZE) == SAI_DATASIZE_24) || \
00771                                          ((DATASIZE) == SAI_DATASIZE_32))
00772 
00773 #define IS_SAI_BLOCK_FIRST_BIT(BIT) (((BIT) == SAI_FIRSTBIT_MSB) || \
00774                                      ((BIT) == SAI_FIRSTBIT_LSB))
00775 
00776 #define IS_SAI_BLOCK_CLOCK_STROBING(CLOCK) (((CLOCK) == SAI_CLOCKSTROBING_FALLINGEDGE) || \
00777                                             ((CLOCK) == SAI_CLOCKSTROBING_RISINGEDGE))
00778 
00779 #define IS_SAI_BLOCK_SYNCHRO(SYNCHRO) (((SYNCHRO) == SAI_ASYNCHRONOUS) || \
00780                                        ((SYNCHRO) == SAI_SYNCHRONOUS)  || \
00781                                        ((SYNCHRO) == SAI_SYNCHRONOUS_EXT))  
00782 
00783 #define IS_SAI_BLOCK_OUTPUT_DRIVE(DRIVE) (((DRIVE) == SAI_OUTPUTDRIVE_DISABLE) || \
00784                                           ((DRIVE) == SAI_OUTPUTDRIVE_ENABLE))
00785 
00786 #define IS_SAI_BLOCK_NODIVIDER(NODIVIDER) (((NODIVIDER) == SAI_MASTERDIVIDER_ENABLE) || \
00787                                            ((NODIVIDER) == SAI_MASTERDIVIDER_DISABLE))
00788 
00789 #define IS_SAI_BLOCK_MUTE_COUNTER(COUNTER) ((COUNTER) <= 63)
00790 
00791 #define IS_SAI_BLOCK_MUTE_VALUE(VALUE)    (((VALUE) == SAI_ZERO_VALUE)     || \
00792                                            ((VALUE) == SAI_LAST_SENT_VALUE)) 
00793 
00794 #define IS_SAI_BLOCK_COMPANDING_MODE(MODE)    (((MODE) == SAI_NOCOMPANDING)         || \
00795                                                ((MODE) == SAI_ULAW_1CPL_COMPANDING) || \
00796                                                ((MODE) == SAI_ALAW_1CPL_COMPANDING) || \
00797                                                ((MODE) == SAI_ULAW_2CPL_COMPANDING) || \
00798                                                ((MODE) == SAI_ALAW_2CPL_COMPANDING)) 
00799 
00800 #define IS_SAI_BLOCK_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == SAI_FIFOTHRESHOLD_EMPTY)   || \
00801                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_1QF)     || \
00802                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_HF)      || \
00803                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_3QF)     || \
00804                                                 ((THRESHOLD) == SAI_FIFOTHRESHOLD_FULL))  
00805 
00806 #define IS_SAI_BLOCK_TRISTATE_MANAGEMENT(STATE) (((STATE) == SAI_OUTPUT_NOTRELEASED) ||\
00807                                                  ((STATE) == SAI_OUTPUT_RELEASED)) 
00808 
00809 #define IS_SAI_BLOCK_SYNCEXT(STATE) (((STATE) == SAI_SYNCEXT_DISABLE) ||\
00810                                      ((STATE) == SAI_SYNCEXT_IN_ENABLE) ||\
00811                                      ((STATE) == SAI_SYNCEXT_OUTBLOCKA_ENABLE) ||\
00812                                      ((STATE) == SAI_SYNCEXT_OUTBLOCKB_ENABLE))
00813 
00814 #define IS_SAI_MONOSTEREO_MODE(CHANNEL)   (((CHANNEL) == SAI_STEREOMODE) ||\
00815                                           ((CHANNEL) == SAI_MONOMODE)) 
00816 
00817 #define IS_SAI_SLOT_ACTIVE(ACTIVE)  ((((ACTIVE) >> 16 )  > 0) && (((ACTIVE) >> 16 )  <= (SAI_SLOTACTIVE_ALL >> 16)))
00818 
00819 #define IS_SAI_BLOCK_SLOT_NUMBER(NUMBER) ((1 <= (NUMBER)) && ((NUMBER) <= 16))  
00820 
00821 #define IS_SAI_BLOCK_SLOT_SIZE(SIZE) (((SIZE) == SAI_SLOTSIZE_DATASIZE) || \
00822                                       ((SIZE) == SAI_SLOTSIZE_16B)      || \
00823                                       ((SIZE) == SAI_SLOTSIZE_32B))
00824 
00825 #define IS_SAI_BLOCK_FIRSTBIT_OFFSET(OFFSET) ((OFFSET) <= 24) 
00826 
00827 #define IS_SAI_BLOCK_FS_OFFSET(OFFSET) (((OFFSET) == SAI_FS_FIRSTBIT) || \
00828                                         ((OFFSET) == SAI_FS_BEFOREFIRSTBIT))
00829 
00830 #define IS_SAI_BLOCK_FS_POLARITY(POLARITY) (((POLARITY) == SAI_FS_ACTIVE_LOW) || \
00831                                             ((POLARITY) == SAI_FS_ACTIVE_HIGH)) 
00832 
00833 #define IS_SAI_BLOCK_FS_DEFINITION(DEFINITION) (((DEFINITION) == SAI_FS_STARTFRAME) || \
00834                                                 ((DEFINITION) == SAI_FS_CHANNEL_IDENTIFICATION)) 
00835                                                 
00836 #define IS_SAI_BLOCK_MASTER_DIVIDER(DIVIDER) ((DIVIDER) <= 15)    
00837 
00838 #define IS_SAI_BLOCK_FRAME_LENGTH(LENGTH) ((8 <= (LENGTH)) && ((LENGTH) <= 256))      
00839 
00840 #define IS_SAI_BLOCK_ACTIVE_FRAME(LENGTH) ((1 <= (LENGTH)) && ((LENGTH) <= 128))  
00841                                           
00842 /**
00843   * @}
00844   */
00845 
00846 /* Private functions ---------------------------------------------------------*/
00847 /** @defgroup SAI_Private_Functions SAI Private Functions
00848   * @{
00849   */
00850 
00851 /**
00852   * @}
00853   */
00854 
00855 /**
00856   * @}
00857   */ 
00858 
00859 /**
00860   * @}
00861   */
00862 #ifdef __cplusplus
00863 }
00864 #endif
00865 
00866 #endif /* __STM32L4xx_HAL_SAI_H */
00867 
00868 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
00869