STM32H735xx HAL User Manual
stm32h7xx_hal_i2s.h
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00001 /**
00002   ******************************************************************************
00003   * @file    stm32h7xx_hal_i2s.h
00004   * @author  MCD Application Team
00005   * @brief   Header file of I2S HAL module.
00006   ******************************************************************************
00007   * @attention
00008   *
00009   * Copyright (c) 2017 STMicroelectronics.
00010   * All rights reserved.
00011   *
00012   * This software is licensed under terms that can be found in the LICENSE file
00013   * in the root directory of this software component.
00014   * If no LICENSE file comes with this software, it is provided AS-IS.
00015   *
00016   ******************************************************************************
00017   */
00018 
00019 /* Define to prevent recursive inclusion -------------------------------------*/
00020 #ifndef STM32H7xx_HAL_I2S_H
00021 #define STM32H7xx_HAL_I2S_H
00022 
00023 #ifdef __cplusplus
00024 extern "C" {
00025 #endif
00026 
00027 /* Includes ------------------------------------------------------------------*/
00028 #include "stm32h7xx_hal_def.h"
00029 
00030 /** @addtogroup STM32H7xx_HAL_Driver
00031   * @{
00032   */
00033 
00034 /** @addtogroup I2S
00035   * @{
00036   */
00037 
00038 /* Exported types ------------------------------------------------------------*/
00039 /** @defgroup I2S_Exported_Types I2S Exported Types
00040   * @{
00041   */
00042 
00043 /**
00044   * @brief I2S Init structure definition
00045   */
00046 typedef struct
00047 {
00048   uint32_t Mode;                /*!< Specifies the I2S operating mode.
00049                                      This parameter can be a value of @ref I2S_Mode */
00050 
00051   uint32_t Standard;            /*!< Specifies the standard used for the I2S communication.
00052                                      This parameter can be a value of @ref I2S_Standard */
00053 
00054   uint32_t DataFormat;          /*!< Specifies the data format for the I2S communication.
00055                                      This parameter can be a value of @ref I2S_Data_Format */
00056 
00057   uint32_t MCLKOutput;          /*!< Specifies whether the I2S MCLK output is enabled or not.
00058                                      This parameter can be a value of @ref I2S_MCLK_Output */
00059 
00060   uint32_t AudioFreq;           /*!< Specifies the frequency selected for the I2S communication.
00061                                      This parameter can be a value of @ref I2S_Audio_Frequency */
00062 
00063   uint32_t CPOL;                /*!< Specifies the idle state of the I2S clock.
00064                                      This parameter can be a value of @ref I2S_Clock_Polarity */
00065 
00066   uint32_t FirstBit;            /*!< Specifies whether data transfers start from MSB or LSB bit.
00067                                      This parameter can be a value of @ref I2S_MSB_LSB_Transmission       */
00068 
00069   uint32_t WSInversion;         /*!< Control the Word Select Inversion.
00070                                      This parameter can be a value of @ref I2S_WSInversion                */
00071 
00072   uint32_t Data24BitAlignment;  /*!< Specifies the Data Padding for 24 bits data length
00073                                       This parameter can be a value of @ref I2S_Data_24Bit_Alignment       */
00074 
00075   uint32_t MasterKeepIOState;   /*!< Control of Alternate function GPIOs state
00076                                      This parameter can be a value of @ref I2S_Master_Keep_IO_State */
00077 
00078 } I2S_InitTypeDef;
00079 
00080 /**
00081   * @brief  HAL State structures definition
00082   */
00083 typedef enum
00084 {
00085   HAL_I2S_STATE_RESET      = 0x00UL,  /*!< I2S not yet initialized or disabled                */
00086   HAL_I2S_STATE_READY      = 0x01UL,  /*!< I2S initialized and ready for use                  */
00087   HAL_I2S_STATE_BUSY       = 0x02UL,  /*!< I2S internal process is ongoing                    */
00088   HAL_I2S_STATE_BUSY_TX    = 0x03UL,  /*!< Data Transmission process is ongoing               */
00089   HAL_I2S_STATE_BUSY_RX    = 0x04UL,  /*!< Data Reception process is ongoing                  */
00090   HAL_I2S_STATE_BUSY_TX_RX = 0x05UL,  /*!< Data Transmission and Reception process is ongoing */
00091   HAL_I2S_STATE_TIMEOUT    = 0x06UL,  /*!< I2S timeout state                                  */
00092   HAL_I2S_STATE_ERROR      = 0x07UL   /*!< I2S error state                                    */
00093 } HAL_I2S_StateTypeDef;
00094 
00095 /**
00096   * @brief I2S handle Structure definition
00097   */
00098 typedef struct __I2S_HandleTypeDef
00099 {
00100   SPI_TypeDef                *Instance;            /*!< I2S registers base address */
00101 
00102   I2S_InitTypeDef            Init;                 /*!< I2S communication parameters */
00103 
00104   uint16_t                   *pTxBuffPtr;          /*!< Pointer to I2S Tx transfer buffer */
00105 
00106   __IO uint16_t              TxXferSize;           /*!< I2S Tx transfer size */
00107 
00108   __IO uint16_t              TxXferCount;          /*!< I2S Tx transfer Counter */
00109 
00110   uint16_t                   *pRxBuffPtr;          /*!< Pointer to I2S Rx transfer buffer */
00111 
00112   __IO uint16_t              RxXferSize;           /*!< I2S Rx transfer size */
00113 
00114   __IO uint16_t              RxXferCount;          /*!< I2S Rx transfer counter
00115                                                       (This field is initialized at the
00116                                                        same value as transfer size at the
00117                                                        beginning of the transfer and
00118                                                        decremented when a sample is received
00119                                                        NbSamplesReceived = RxBufferSize-RxBufferCount) */
00120 
00121   void (*RxISR)(struct __I2S_HandleTypeDef *hi2s); /*!< function pointer on Rx ISR */
00122 
00123   void (*TxISR)(struct __I2S_HandleTypeDef *hi2s); /*!< function pointer on Tx ISR */
00124 
00125   DMA_HandleTypeDef          *hdmatx;              /*!< I2S Tx DMA handle parameters */
00126 
00127   DMA_HandleTypeDef          *hdmarx;              /*!< I2S Rx DMA handle parameters */
00128 
00129   __IO HAL_LockTypeDef       Lock;                 /*!< I2S locking object */
00130 
00131   __IO HAL_I2S_StateTypeDef  State;                /*!< I2S communication state */
00132 
00133   __IO uint32_t              ErrorCode;            /*!< I2S Error code
00134                                                         This parameter can be a value of @ref I2S_Error */
00135 
00136 #if (USE_HAL_I2S_REGISTER_CALLBACKS == 1U)
00137   void (* TxCpltCallback)(struct __I2S_HandleTypeDef *hi2s);             /*!< I2S Tx Completed callback          */
00138   void (* RxCpltCallback)(struct __I2S_HandleTypeDef *hi2s);             /*!< I2S Rx Completed callback          */
00139   void (* TxRxCpltCallback)(struct __I2S_HandleTypeDef *hi2s);           /*!< I2S TxRx Completed callback        */
00140   void (* TxHalfCpltCallback)(struct __I2S_HandleTypeDef *hi2s);         /*!< I2S Tx Half Completed callback     */
00141   void (* RxHalfCpltCallback)(struct __I2S_HandleTypeDef *hi2s);         /*!< I2S Rx Half Completed callback     */
00142   void (* TxRxHalfCpltCallback)(struct __I2S_HandleTypeDef *hi2s);       /*!< I2S TxRx Half Completed callback   */
00143   void (* ErrorCallback)(struct __I2S_HandleTypeDef *hi2s);              /*!< I2S Error callback                 */
00144   void (* MspInitCallback)(struct __I2S_HandleTypeDef *hi2s);            /*!< I2S Msp Init callback              */
00145   void (* MspDeInitCallback)(struct __I2S_HandleTypeDef *hi2s);          /*!< I2S Msp DeInit callback            */
00146 
00147 #endif  /* USE_HAL_I2S_REGISTER_CALLBACKS */
00148 } I2S_HandleTypeDef;
00149 
00150 #if (USE_HAL_I2S_REGISTER_CALLBACKS == 1UL)
00151 /**
00152 
00153   * @brief  HAL I2S Callback ID enumeration definition
00154   */
00155 typedef enum
00156 {
00157   HAL_I2S_TX_COMPLETE_CB_ID             = 0x00UL,    /*!< I2S Tx Completed callback ID         */
00158   HAL_I2S_RX_COMPLETE_CB_ID             = 0x01UL,    /*!< I2S Rx Completed callback ID         */
00159   HAL_I2S_TX_RX_COMPLETE_CB_ID          = 0x02UL,    /*!< I2S TxRx Completed callback ID       */
00160   HAL_I2S_TX_HALF_COMPLETE_CB_ID        = 0x03UL,    /*!< I2S Tx Half Completed callback ID    */
00161   HAL_I2S_RX_HALF_COMPLETE_CB_ID        = 0x04UL,    /*!< I2S Rx Half Completed callback ID    */
00162   HAL_I2S_TX_RX_HALF_COMPLETE_CB_ID     = 0x05UL,    /*!< I2S TxRx Half Completed callback ID  */
00163   HAL_I2S_ERROR_CB_ID                   = 0x06UL,    /*!< I2S Error callback ID                */
00164   HAL_I2S_MSPINIT_CB_ID                 = 0x07UL,    /*!< I2S Msp Init callback ID             */
00165   HAL_I2S_MSPDEINIT_CB_ID               = 0x08UL     /*!< I2S Msp DeInit callback ID           */
00166 
00167 } HAL_I2S_CallbackIDTypeDef;
00168 
00169 /**
00170   * @brief  HAL I2S Callback pointer definition
00171   */
00172 typedef  void (*pI2S_CallbackTypeDef)(I2S_HandleTypeDef *hi2s); /*!< pointer to an I2S callback function */
00173 
00174 #endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
00175 /**
00176   * @}
00177   */
00178 
00179 /* Exported constants --------------------------------------------------------*/
00180 /** @defgroup I2S_Exported_Constants I2S Exported Constants
00181   * @{
00182   */
00183 /** @defgroup I2S_Error I2S Error
00184   * @{
00185   */
00186 #define HAL_I2S_ERROR_NONE               (0x00000000UL)  /*!< No error                          */
00187 #define HAL_I2S_ERROR_TIMEOUT            (0x00000001UL)  /*!< Timeout error                     */
00188 #define HAL_I2S_ERROR_OVR                (0x00000002UL)  /*!< OVR error                         */
00189 #define HAL_I2S_ERROR_UDR                (0x00000004UL)  /*!< UDR error                         */
00190 #define HAL_I2S_ERROR_DMA                (0x00000008UL)  /*!< DMA transfer error                */
00191 #define HAL_I2S_ERROR_PRESCALER          (0x00000010UL)  /*!< Prescaler Calculation error       */
00192 #define HAL_I2S_ERROR_FRE                (0x00000020UL)  /*!< FRE error                         */
00193 #define HAL_I2S_ERROR_NO_OGT             (0x00000040UL)  /*!< No On Going Transfer error        */
00194 #define HAL_I2S_ERROR_NOT_SUPPORTED      (0x00000080UL)  /*!< Requested operation not supported */
00195 #if (USE_HAL_I2S_REGISTER_CALLBACKS == 1UL)
00196 #define HAL_I2S_ERROR_INVALID_CALLBACK   (0x00000100UL)  /*!< Invalid Callback error      */
00197 #endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
00198 /**
00199   * @}
00200   */
00201 
00202 /** @defgroup I2S_Mode I2S Mode
00203   * @{
00204   */
00205 #define I2S_MODE_SLAVE_TX                (0x00000000UL)
00206 #define I2S_MODE_SLAVE_RX                (SPI_I2SCFGR_I2SCFG_0)
00207 #define I2S_MODE_MASTER_TX               (SPI_I2SCFGR_I2SCFG_1)
00208 #define I2S_MODE_MASTER_RX               (SPI_I2SCFGR_I2SCFG_0 | SPI_I2SCFGR_I2SCFG_1)
00209 #define I2S_MODE_SLAVE_FULLDUPLEX        (SPI_I2SCFGR_I2SCFG_2)
00210 #define I2S_MODE_MASTER_FULLDUPLEX       (SPI_I2SCFGR_I2SCFG_2 | SPI_I2SCFGR_I2SCFG_0)
00211 /**
00212   * @}
00213   */
00214 
00215 /** @defgroup I2S_Standard I2S Standard
00216   * @{
00217   */
00218 #define I2S_STANDARD_PHILIPS             (0x00000000UL)
00219 #define I2S_STANDARD_MSB                 (SPI_I2SCFGR_I2SSTD_0)
00220 #define I2S_STANDARD_LSB                 (SPI_I2SCFGR_I2SSTD_1)
00221 #define I2S_STANDARD_PCM_SHORT           (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1)
00222 #define I2S_STANDARD_PCM_LONG            (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1 | SPI_I2SCFGR_PCMSYNC)
00223 /**
00224   * @}
00225   */
00226 
00227 /** @defgroup I2S_Data_Format I2S Data Format
00228   * @{
00229   */
00230 #define I2S_DATAFORMAT_16B               (0x00000000UL)
00231 #define I2S_DATAFORMAT_16B_EXTENDED      (SPI_I2SCFGR_CHLEN)
00232 #define I2S_DATAFORMAT_24B               (SPI_I2SCFGR_DATLEN_0)
00233 #define I2S_DATAFORMAT_32B               (SPI_I2SCFGR_DATLEN_1)
00234 /**
00235   * @}
00236   */
00237 
00238 /** @defgroup I2S_MCLK_Output I2S MCLK Output
00239   * @{
00240   */
00241 #define I2S_MCLKOUTPUT_ENABLE            (SPI_I2SCFGR_MCKOE)
00242 #define I2S_MCLKOUTPUT_DISABLE           (0x00000000UL)
00243 /**
00244   * @}
00245   */
00246 
00247 /** @defgroup I2S_Audio_Frequency I2S Audio Frequency
00248   * @{
00249   */
00250 #define I2S_AUDIOFREQ_192K               (192000UL)
00251 #define I2S_AUDIOFREQ_96K                (96000UL)
00252 #define I2S_AUDIOFREQ_48K                (48000UL)
00253 #define I2S_AUDIOFREQ_44K                (44100UL)
00254 #define I2S_AUDIOFREQ_32K                (32000UL)
00255 #define I2S_AUDIOFREQ_22K                (22050UL)
00256 #define I2S_AUDIOFREQ_16K                (16000UL)
00257 #define I2S_AUDIOFREQ_11K                (11025UL)
00258 #define I2S_AUDIOFREQ_8K                 (8000UL)
00259 #define I2S_AUDIOFREQ_DEFAULT            (2UL)
00260 /**
00261   * @}
00262   */
00263 
00264 /** @defgroup I2S_Clock_Polarity I2S FullDuplex Mode
00265   * @{
00266   */
00267 #define I2S_CPOL_LOW                     (0x00000000UL)
00268 #define I2S_CPOL_HIGH                    (SPI_I2SCFGR_CKPOL)
00269 /**
00270   * @}
00271   */
00272 
00273 /** @defgroup I2S_MSB_LSB_Transmission I2S MSB LSB Transmission
00274   * @{
00275   */
00276 #define I2S_FIRSTBIT_MSB                 (0x00000000UL)
00277 #define I2S_FIRSTBIT_LSB                 SPI_CFG2_LSBFRST
00278 /**
00279   * @}
00280   */
00281 
00282 /** @defgroup I2S_WSInversion I2S Word Select Inversion
00283   * @{
00284   */
00285 #define I2S_WS_INVERSION_DISABLE         (0x00000000UL)
00286 #define I2S_WS_INVERSION_ENABLE          SPI_I2SCFGR_WSINV
00287 /**
00288   * @}
00289   */
00290 
00291 /** @defgroup I2S_Data_24Bit_Alignment Data Padding 24Bit
00292   * @{
00293   */
00294 #define I2S_DATA_24BIT_ALIGNMENT_RIGHT   (0x00000000UL)
00295 #define I2S_DATA_24BIT_ALIGNMENT_LEFT    SPI_I2SCFGR_DATFMT
00296 /**
00297   * @}
00298   */
00299 
00300 /** @defgroup I2S_Master_Keep_IO_State Keep IO State
00301   * @{
00302   */
00303 #define I2S_MASTER_KEEP_IO_STATE_DISABLE (0x00000000U)
00304 #define I2S_MASTER_KEEP_IO_STATE_ENABLE  SPI_CFG2_AFCNTR
00305 /**
00306   * @}
00307   */
00308 
00309 /** @defgroup I2S_Interrupts_Definition I2S Interrupts Definition
00310   * @{
00311   */
00312 #define I2S_IT_RXP                       SPI_IER_RXPIE
00313 #define I2S_IT_TXP                       SPI_IER_TXPIE
00314 #define I2S_IT_DXP                       SPI_IER_DXPIE
00315 #define I2S_IT_UDR                       SPI_IER_UDRIE
00316 #define I2S_IT_OVR                       SPI_IER_OVRIE
00317 #define I2S_IT_FRE                       SPI_IER_TIFREIE
00318 #define I2S_IT_ERR                       (SPI_IER_UDRIE | SPI_IER_OVRIE | SPI_IER_TIFREIE)
00319 /**
00320   * @}
00321   */
00322 
00323 /** @defgroup I2S_Flags_Definition I2S Flags Definition
00324   * @{
00325   */
00326 #define I2S_FLAG_RXP                     SPI_SR_RXP       /* I2S status flag : Rx-Packet available flag              */
00327 #define I2S_FLAG_TXP                     SPI_SR_TXP       /* I2S status flag : Tx-Packet space available flag        */
00328 #define I2S_FLAG_DXP                     SPI_SR_DXP       /* I2S status flag : Dx-Packet space available flag        */
00329 #define I2S_FLAG_UDR                     SPI_SR_UDR       /* I2S Error flag  : Underrun flag                         */
00330 #define I2S_FLAG_OVR                     SPI_SR_OVR       /* I2S Error flag  : Overrun flag                          */
00331 #define I2S_FLAG_FRE                     SPI_SR_TIFRE     /* I2S Error flag  : TI mode frame format error flag       */
00332 
00333 #define I2S_FLAG_MASK                    (SPI_SR_RXP | SPI_SR_TXP | SPI_SR_DXP |SPI_SR_UDR | SPI_SR_OVR | SPI_SR_TIFRE)
00334 /**
00335   * @}
00336   */
00337 
00338 /**
00339   * @}
00340   */
00341 
00342 /* Exported macros -----------------------------------------------------------*/
00343 /** @defgroup I2S_Exported_macros I2S Exported Macros
00344   * @{
00345   */
00346 
00347 /** @brief  Reset I2S handle state
00348   * @param  __HANDLE__ specifies the I2S Handle.
00349   * @retval None
00350   */
00351 #if (USE_HAL_I2S_REGISTER_CALLBACKS == 1UL)
00352 #define __HAL_I2S_RESET_HANDLE_STATE(__HANDLE__)                do{                                                  \
00353                                                                     (__HANDLE__)->State = HAL_I2S_STATE_RESET;       \
00354                                                                     (__HANDLE__)->MspInitCallback = NULL;            \
00355                                                                     (__HANDLE__)->MspDeInitCallback = NULL;          \
00356                                                                   } while(0)
00357 #else
00358 #define __HAL_I2S_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2S_STATE_RESET)
00359 #endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
00360 
00361 /** @brief  Enable the specified SPI peripheral (in I2S mode).
00362   * @param  __HANDLE__ specifies the I2S Handle.
00363   * @retval None
00364   */
00365 #define __HAL_I2S_ENABLE(__HANDLE__)    (SET_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_SPE))
00366 
00367 /** @brief  Disable the specified SPI peripheral (in I2S mode).
00368   * @param  __HANDLE__ specifies the I2S Handle.
00369   * @retval None
00370   */
00371 #define __HAL_I2S_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_SPE))
00372 
00373 /** @brief  Enable the specified I2S interrupts.
00374   * @param  __HANDLE__ specifies the I2S Handle.
00375   *        This parameter can be I2S where x: 1, 2 or 3 to select the I2S peripheral.
00376   * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
00377   *         This parameter can be one of the following values:
00378   *            @arg I2S_IT_RXP : Rx-Packet available interrupt
00379   *            @arg I2S_IT_TXP : Tx-Packet space available interrupt
00380   *            @arg I2S_IT_UDR : Underrun interrupt
00381   *            @arg I2S_IT_OVR : Overrun interrupt
00382   *            @arg I2S_IT_FRE : TI mode frame format error interrupt
00383   *            @arg I2S_IT_ERR : Error interrupt enable
00384   * @retval None
00385   */
00386 #define __HAL_I2S_ENABLE_IT(__HANDLE__, __INTERRUPT__)    ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))
00387 
00388 /** @brief  Disable the specified I2S interrupts.
00389   * @param  __HANDLE__ specifies the I2S Handle.
00390   *         This parameter can be I2S where x: 1, 2 or 3 to select the I2S peripheral.
00391   * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
00392   *         This parameter can be one of the following values:
00393   *            @arg I2S_IT_RXP : Rx-Packet available interrupt
00394   *            @arg I2S_IT_TXP : Tx-Packet space available interrupt
00395   *            @arg I2S_IT_UDR : Underrun interrupt
00396   *            @arg I2S_IT_OVR : Overrun interrupt
00397   *            @arg I2S_IT_FRE : TI mode frame format error interrupt
00398   *            @arg I2S_IT_ERR : Error interrupt enable
00399   * @retval None
00400   */
00401 #define __HAL_I2S_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER &= (~(__INTERRUPT__)))
00402 
00403 /** @brief  Check if the specified I2S interrupt source is enabled or disabled.
00404   * @param  __HANDLE__ specifies the I2S Handle.
00405   *         This parameter can be I2S where x: 1, 2 or 3 to select the I2S peripheral.
00406   * @param  __INTERRUPT__ specifies the I2S interrupt source to check.
00407   *          This parameter can be one of the following values:
00408   *            @arg I2S_IT_RXP : Rx-Packet available interrupt
00409   *            @arg I2S_IT_TXP : Tx-Packet space available interrupt
00410   *            @arg I2S_IT_DXP : Tx-Packet space available interrupt
00411   *            @arg I2S_IT_UDR : Underrun interrupt
00412   *            @arg I2S_IT_OVR : Overrun interrupt
00413   *            @arg I2S_IT_FRE : TI mode frame format error interrupt
00414   *            @arg I2S_IT_ERR : Error interrupt enable
00415   * @retval The new state of __IT__ (TRUE or FALSE).
00416   */
00417 #define __HAL_I2S_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IER\
00418                                                               & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
00419 
00420 /** @brief  Check whether the specified I2S flag is set or not.
00421   * @param  __HANDLE__ specifies the I2S Handle.
00422   *         This parameter can be I2S where x: 1, 2 or 3 to select the I2S peripheral.
00423   * @param  __FLAG__ specifies the flag to check.
00424   *         This parameter can be one of the following values:
00425   *            @arg I2S_FLAG_RXP : Rx-Packet available flag
00426   *            @arg I2S_FLAG_TXP : Tx-Packet space available flag
00427   *            @arg I2S_FLAG_UDR : Underrun flag
00428   *            @arg I2S_FLAG_OVR : Overrun flag
00429   *            @arg I2S_FLAG_FRE : TI mode frame format error flag
00430   * @retval The new state of __FLAG__ (TRUE or FALSE).
00431   */
00432 #define __HAL_I2S_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
00433 
00434 /** @brief Clear the I2S OVR pending flag.
00435   * @param  __HANDLE__ specifies the I2S Handle.
00436   * @retval None
00437   */
00438 #define __HAL_I2S_CLEAR_OVRFLAG(__HANDLE__) SET_BIT((__HANDLE__)->Instance->IFCR , SPI_IFCR_OVRC)
00439 
00440 /** @brief Clear the I2S UDR pending flag.
00441   * @param  __HANDLE__ specifies the I2S Handle.
00442   * @retval None
00443   */
00444 #define __HAL_I2S_CLEAR_UDRFLAG(__HANDLE__) SET_BIT((__HANDLE__)->Instance->IFCR , SPI_IFCR_UDRC)
00445 
00446 /** @brief  Clear the I2S FRE pending flag.
00447   * @param  __HANDLE__: specifies the I2S Handle.
00448   * @retval None
00449   */
00450 #define __HAL_I2S_CLEAR_TIFREFLAG(__HANDLE__) SET_BIT((__HANDLE__)->Instance->IFCR , SPI_IFCR_TIFREC)
00451 /**
00452   * @}
00453   */
00454 
00455 
00456 /* Exported functions --------------------------------------------------------*/
00457 /** @addtogroup I2S_Exported_Functions
00458   * @{
00459   */
00460 
00461 /** @addtogroup I2S_Exported_Functions_Group1
00462   * @{
00463   */
00464 /* Initialization/de-initialization functions  ********************************/
00465 HAL_StatusTypeDef HAL_I2S_Init(I2S_HandleTypeDef *hi2s);
00466 HAL_StatusTypeDef HAL_I2S_DeInit(I2S_HandleTypeDef *hi2s);
00467 void HAL_I2S_MspInit(I2S_HandleTypeDef *hi2s);
00468 void HAL_I2S_MspDeInit(I2S_HandleTypeDef *hi2s);
00469 
00470 /* Callbacks Register/UnRegister functions  ***********************************/
00471 #if (USE_HAL_I2S_REGISTER_CALLBACKS == 1UL)
00472 HAL_StatusTypeDef HAL_I2S_RegisterCallback(I2S_HandleTypeDef *hi2s, HAL_I2S_CallbackIDTypeDef CallbackID,
00473                                            pI2S_CallbackTypeDef pCallback);
00474 HAL_StatusTypeDef HAL_I2S_UnRegisterCallback(I2S_HandleTypeDef *hi2s, HAL_I2S_CallbackIDTypeDef CallbackID);
00475 #endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
00476 /**
00477   * @}
00478   */
00479 
00480 /** @addtogroup I2S_Exported_Functions_Group2
00481   * @{
00482   */
00483 /* I/O operation functions  ***************************************************/
00484 /* Blocking mode: Polling */
00485 HAL_StatusTypeDef HAL_I2S_Transmit(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
00486 HAL_StatusTypeDef HAL_I2S_Receive(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
00487 HAL_StatusTypeDef HAL_I2SEx_TransmitReceive(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,
00488                                             uint16_t Size, uint32_t Timeout);
00489 
00490 /* Non-Blocking mode: Interrupt */
00491 HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
00492 HAL_StatusTypeDef HAL_I2S_Receive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
00493 HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,
00494                                                uint16_t Size);
00495 
00496 void HAL_I2S_IRQHandler(I2S_HandleTypeDef *hi2s);
00497 
00498 /* Non-Blocking mode: DMA */
00499 HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
00500 HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
00501 HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,
00502                                                 uint16_t Size);
00503 
00504 HAL_StatusTypeDef HAL_I2S_DMAPause(I2S_HandleTypeDef *hi2s);
00505 HAL_StatusTypeDef HAL_I2S_DMAResume(I2S_HandleTypeDef *hi2s);
00506 HAL_StatusTypeDef HAL_I2S_DMAStop(I2S_HandleTypeDef *hi2s);
00507 
00508 /* Callbacks used in non blocking modes (Interrupt and DMA) *******************/
00509 void HAL_I2S_TxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
00510 void HAL_I2S_TxCpltCallback(I2S_HandleTypeDef *hi2s);
00511 void HAL_I2S_RxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
00512 void HAL_I2S_RxCpltCallback(I2S_HandleTypeDef *hi2s);
00513 void HAL_I2SEx_TxRxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
00514 void HAL_I2SEx_TxRxCpltCallback(I2S_HandleTypeDef *hi2s);
00515 void HAL_I2S_ErrorCallback(I2S_HandleTypeDef *hi2s);
00516 /**
00517   * @}
00518   */
00519 
00520 /** @addtogroup I2S_Exported_Functions_Group3
00521   * @{
00522   */
00523 /* Peripheral Control and State functions  ************************************/
00524 HAL_I2S_StateTypeDef HAL_I2S_GetState(I2S_HandleTypeDef *hi2s);
00525 uint32_t HAL_I2S_GetError(I2S_HandleTypeDef *hi2s);
00526 /**
00527   * @}
00528   */
00529 
00530 /**
00531   * @}
00532   */
00533 
00534 /* Private types -------------------------------------------------------------*/
00535 /* Private variables ---------------------------------------------------------*/
00536 /* Private constants ---------------------------------------------------------*/
00537 /** @defgroup I2S_Private_Constants I2S Private Constants
00538   * @{
00539   */
00540 
00541 /**
00542   * @}
00543   */
00544 
00545 /* Private macros ------------------------------------------------------------*/
00546 /** @defgroup I2S_Private_Macros I2S Private Macros
00547   * @{
00548   */
00549 
00550 /** @brief  Check whether the specified SPI flag is set or not.
00551   * @param  __SR__  copy of I2S SR register.
00552   * @param  __FLAG__ specifies the flag to check.
00553   *         This parameter can be one of the following values:
00554   *            @arg I2S_FLAG_RXP : Rx-Packet available flag
00555   *            @arg I2S_FLAG_TXP : Tx-Packet space available flag
00556   *            @arg I2S_FLAG_UDR : Underrun flag
00557   *            @arg I2S_FLAG_OVR : Overrun flag
00558   *            @arg I2S_FLAG_FRE : TI mode frame format error flag
00559   * @retval SET or RESET.
00560   */
00561 #define I2S_CHECK_FLAG(__SR__, __FLAG__)         ((((__SR__)\
00562                                                     & ((__FLAG__) & I2S_FLAG_MASK)) == ((__FLAG__) & I2S_FLAG_MASK))\
00563                                                   ? SET : RESET)
00564 
00565 /** @brief  Check whether the specified SPI Interrupt is set or not.
00566   * @param  __IER__  copy of I2S IER register.
00567   * @param  __INTERRUPT__ specifies the SPI interrupt source to check.
00568   *         This parameter can be one of the following values:
00569   *            @arg I2S_IT_RXP : Rx-Packet available interrupt
00570   *            @arg I2S_IT_TXP : Tx-Packet space available interrupt
00571   *            @arg I2S_IT_UDR : Underrun interrupt
00572   *            @arg I2S_IT_OVR : Overrun interrupt
00573   *            @arg I2S_IT_FRE : TI mode frame format error interrupt
00574   *            @arg I2S_IT_ERR : Error interrupt enable
00575   * @retval SET or RESET.
00576   */
00577 #define I2S_CHECK_IT_SOURCE(__IER__, __INTERRUPT__)      ((((__IER__)\
00578                                                             & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
00579 
00580 /** @brief  Checks if I2S Mode parameter is in allowed range.
00581   * @param  __MODE__ specifies the I2S Mode.
00582   *         This parameter can be a value of @ref I2S_Mode
00583   * @retval None
00584   */
00585 #define IS_I2S_MODE(__MODE__)                       (((__MODE__) == I2S_MODE_SLAVE_TX)                   || \
00586                                                      ((__MODE__) == I2S_MODE_SLAVE_RX)                   || \
00587                                                      ((__MODE__) == I2S_MODE_MASTER_TX)                  || \
00588                                                      ((__MODE__) == I2S_MODE_MASTER_RX)                  || \
00589                                                      ((__MODE__) == I2S_MODE_SLAVE_FULLDUPLEX)           || \
00590                                                      ((__MODE__) == I2S_MODE_MASTER_FULLDUPLEX))
00591 
00592 #define IS_I2S_MASTER(__MODE__)                     (((__MODE__) == I2S_MODE_MASTER_TX)                  || \
00593                                                      ((__MODE__) == I2S_MODE_MASTER_RX)                  || \
00594                                                      ((__MODE__) == I2S_MODE_MASTER_FULLDUPLEX))
00595 
00596 #define IS_I2S_SLAVE(__MODE__)                      (((__MODE__) == I2S_MODE_SLAVE_TX)                  || \
00597                                                      ((__MODE__) == I2S_MODE_SLAVE_RX)                  || \
00598                                                      ((__MODE__) == I2S_MODE_SLAVE_FULLDUPLEX))
00599 
00600 #define IS_I2S_FULLDUPLEX(__MODE__)                 (((__MODE__) == I2S_MODE_MASTER_FULLDUPLEX)         || \
00601                                                      ((__MODE__) == I2S_MODE_SLAVE_FULLDUPLEX))
00602 
00603 #define IS_I2S_STANDARD(__STANDARD__)               (((__STANDARD__) == I2S_STANDARD_PHILIPS)            || \
00604                                                      ((__STANDARD__) == I2S_STANDARD_MSB)                || \
00605                                                      ((__STANDARD__) == I2S_STANDARD_LSB)                || \
00606                                                      ((__STANDARD__) == I2S_STANDARD_PCM_SHORT)          || \
00607                                                      ((__STANDARD__) == I2S_STANDARD_PCM_LONG))
00608 
00609 #define IS_I2S_DATA_FORMAT(__FORMAT__)              (((__FORMAT__) == I2S_DATAFORMAT_16B)                || \
00610                                                      ((__FORMAT__) == I2S_DATAFORMAT_16B_EXTENDED)       || \
00611                                                      ((__FORMAT__) == I2S_DATAFORMAT_24B)                || \
00612                                                      ((__FORMAT__) == I2S_DATAFORMAT_32B))
00613 
00614 #define IS_I2S_MCLK_OUTPUT(__OUTPUT__)              (((__OUTPUT__) == I2S_MCLKOUTPUT_ENABLE)             || \
00615                                                      ((__OUTPUT__) == I2S_MCLKOUTPUT_DISABLE))
00616 
00617 #define IS_I2S_AUDIO_FREQ(__FREQ__)                ((((__FREQ__) >= I2S_AUDIOFREQ_8K)                    && \
00618                                                      ((__FREQ__) <= I2S_AUDIOFREQ_192K))                 || \
00619                                                     ((__FREQ__) == I2S_AUDIOFREQ_DEFAULT))
00620 
00621 #define IS_I2S_CPOL(__CPOL__)                       (((__CPOL__) == I2S_CPOL_LOW)                        || \
00622                                                      ((__CPOL__) == I2S_CPOL_HIGH))
00623 
00624 #define IS_I2S_FIRST_BIT(__BIT__)                   (((__BIT__) == I2S_FIRSTBIT_MSB)                     || \
00625                                                      ((__BIT__) == I2S_FIRSTBIT_LSB))
00626 
00627 #define IS_I2S_WS_INVERSION(__WSINV__)              (((__WSINV__) == I2S_WS_INVERSION_DISABLE)           || \
00628                                                      ((__WSINV__) == I2S_WS_INVERSION_ENABLE))
00629 
00630 #define IS_I2S_DATA_24BIT_ALIGNMENT(__ALIGNMENT__)  (((__ALIGNMENT__) == I2S_DATA_24BIT_ALIGNMENT_RIGHT) || \
00631                                                      ((__ALIGNMENT__) == I2S_DATA_24BIT_ALIGNMENT_LEFT))
00632 
00633 #define IS_I2S_MASTER_KEEP_IO_STATE(__AFCNTR__)     (((__AFCNTR__) == I2S_MASTER_KEEP_IO_STATE_DISABLE)  || \
00634                                                      ((__AFCNTR__) == I2S_MASTER_KEEP_IO_STATE_ENABLE))
00635 
00636 
00637 /**
00638   * @}
00639   */
00640 
00641 /**
00642   * @}
00643   */
00644 
00645 /**
00646   * @}
00647   */
00648 
00649 #ifdef __cplusplus
00650 }
00651 #endif
00652 
00653 #endif /* STM32H7xx_HAL_I2S_H */
00654