lib/main/STM32F1/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_i2s.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32f1xx_hal_i2s.h
   4   * @author  MCD Application Team
   5   * @version V1.1.1
   6   * @date    12-May-2017
   7   * @brief   Header file of I2S HAL module.
   8   ******************************************************************************
   9   * @attention
  10   *
  11   * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  12   *
  13   * Redistribution and use in source and binary forms, with or without modification,
  14   * are permitted provided that the following conditions are met:
  15   *   1. Redistributions of source code must retain the above copyright notice,
  16   *      this list of conditions and the following disclaimer.
  17   *   2. Redistributions in binary form must reproduce the above copyright notice,
  18   *      this list of conditions and the following disclaimer in the documentation
  19   *      and/or other materials provided with the distribution.
  20   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  21   *      may be used to endorse or promote products derived from this software
  22   *      without specific prior written permission.
  23   *
  24   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34   *
  35   ******************************************************************************
  36   */
  37
  38 /* Define to prevent recursive inclusion -------------------------------------*/
  39 #ifndef __STM32F1xx_HAL_I2S_H
  40 #define __STM32F1xx_HAL_I2S_H
  41
  42 #ifdef __cplusplus
  43  extern "C" {
  44 #endif
  45
  46 #if defined(STM32F103xE) || defined(STM32F103xG) || defined(STM32F105xC) || defined(STM32F107xC)
  47
  48 /* Includes ------------------------------------------------------------------*/
  49 #include "stm32f1xx_hal_def.h"
  50
  51 /** @addtogroup STM32F1xx_HAL_Driver
  52   * @{
  53   */
  54
  55 /** @addtogroup I2S
  56   * @{
  57   */
  58
  59 /* Exported types ------------------------------------------------------------*/
  60 /** @defgroup I2S_Exported_Types I2S Exported Types
  61   * @{
  62   */
  63
  64 /**
  65   * @brief I2S Init structure definition
  66   */
  67 typedef struct
  68 {
  69   uint32_t Mode;            /*!< Specifies the I2S operating mode.
  70                                  This parameter can be a value of @ref I2S_Mode */
  71
  72   uint32_t Standard;        /*!< Specifies the standard used for the I2S communication.
  73                                  This parameter can be a value of @ref I2S_Standard */
  74
  75   uint32_t DataFormat;      /*!< Specifies the data format for the I2S communication.
  76                                  This parameter can be a value of @ref I2S_Data_Format */
  77
  78   uint32_t MCLKOutput;      /*!< Specifies whether the I2S MCLK output is enabled or not.
  79                                  This parameter can be a value of @ref I2S_MCLK_Output */
  80
  81   uint32_t AudioFreq;       /*!< Specifies the frequency selected for the I2S communication.
  82                                  This parameter can be a value of @ref I2S_Audio_Frequency */
  83
  84   uint32_t CPOL;            /*!< Specifies the idle state of the I2S clock.
  85                                  This parameter can be a value of @ref I2S_Clock_Polarity */
  86 }I2S_InitTypeDef;
  87
  88 /**
  89   * @brief  HAL State structures definition
  90   */
  91 typedef enum
  92 {
  93   HAL_I2S_STATE_RESET      = 0x00U,  /*!< I2S not yet initialized or disabled                */
  94   HAL_I2S_STATE_READY      = 0x01U,  /*!< I2S initialized and ready for use                  */
  95   HAL_I2S_STATE_BUSY       = 0x02U,  /*!< I2S internal process is ongoing                    */
  96   HAL_I2S_STATE_BUSY_TX    = 0x03U,  /*!< Data Transmission process is ongoing               */
  97   HAL_I2S_STATE_BUSY_RX    = 0x04U,  /*!< Data Reception process is ongoing                  */
  98   HAL_I2S_STATE_BUSY_TX_RX = 0x05U,  /*!< Data Transmission and Reception process is ongoing */
  99   HAL_I2S_STATE_TIMEOUT    = 0x06U,  /*!< I2S timeout state                                  */
 100   HAL_I2S_STATE_ERROR      = 0x07U   /*!< I2S error state                                    */
 101
 102 }HAL_I2S_StateTypeDef;
 103
 104 /**
 105   * @brief I2S handle Structure definition
 106   */
 107 typedef struct __I2S_HandleTypeDef
 108 {
 109   SPI_TypeDef                *Instance;    /*!< I2S registers base address        */
 110
 111   I2S_InitTypeDef            Init;         /*!< I2S communication parameters      */
 112
 113   uint16_t                   *pTxBuffPtr;  /*!< Pointer to I2S Tx transfer buffer */
 114
 115   __IO uint16_t              TxXferSize;   /*!< I2S Tx transfer size              */
 116
 117   __IO uint16_t              TxXferCount;  /*!< I2S Tx transfer Counter           */
 118
 119   uint16_t                   *pRxBuffPtr;  /*!< Pointer to I2S Rx transfer buffer */
 120
 121   __IO uint16_t              RxXferSize;   /*!< I2S Rx transfer size              */
 122
 123   __IO uint16_t              RxXferCount;  /*!< I2S Rx transfer counter
 124                                               (This field is initialized at the
 125                                                same value as transfer size at the
 126                                                beginning of the transfer and
 127                                                decremented when a sample is received
 128                                                NbSamplesReceived = RxBufferSize-RxBufferCount) */
 129
 130   void (*IrqHandlerISR)      (struct __I2S_HandleTypeDef *hi2s);   /*!< I2S function pointer on IrqHandler   */
 131
 132   DMA_HandleTypeDef          *hdmatx;      /*!< I2S Tx DMA handle parameters      */
 133
 134   DMA_HandleTypeDef          *hdmarx;      /*!< I2S Rx DMA handle parameters      */
 135
 136   __IO HAL_LockTypeDef       Lock;         /*!< I2S locking object                */
 137
 138   __IO HAL_I2S_StateTypeDef  State;        /*!< I2S communication state           */
 139
 140   __IO uint32_t              ErrorCode;    /*!< I2S Error code
 141                                               This parameter can be a value of @ref I2S_ErrorCode */
 142
 143 }I2S_HandleTypeDef;
 144 /**
 145   * @}
 146   */
 147
 148 /* Exported constants --------------------------------------------------------*/
 149 /** @defgroup I2S_Exported_Constants I2S Exported Constants
 150   * @{
 151   */
 152 /**
 153   * @defgroup  I2S_ErrorCode I2S Error Code
 154   * @{
 155   */
 156 #define HAL_I2S_ERROR_NONE               0x00000000U  /*!< No error                    */
 157 #define HAL_I2S_ERROR_TIMEOUT            0x00000001U  /*!< Timeout error               */
 158 #define HAL_I2S_ERROR_OVR                0x00000002U  /*!< OVR error                   */
 159 #define HAL_I2S_ERROR_UDR                0x00000004U  /*!< UDR error                   */
 160 #define HAL_I2S_ERROR_DMA                0x00000008U  /*!< DMA transfer error          */
 161 #define HAL_I2S_ERROR_PRESCALER          0x00000010U  /*!< Prescaler Calculation error */
 162 /**
 163   * @}
 164   */
 165
 166 /** @defgroup I2S_Mode I2S Mode
 167   * @{
 168   */
 169 #define I2S_MODE_SLAVE_TX                0x00000000U
 170 #define I2S_MODE_SLAVE_RX                ((uint32_t)SPI_I2SCFGR_I2SCFG_0)
 171 #define I2S_MODE_MASTER_TX               ((uint32_t)SPI_I2SCFGR_I2SCFG_1)
 172 #define I2S_MODE_MASTER_RX               ((uint32_t)(SPI_I2SCFGR_I2SCFG_0 | SPI_I2SCFGR_I2SCFG_1))
 173 /**
 174   * @}
 175   */
 176
 177 /** @defgroup I2S_Standard I2S Standard
 178   * @{
 179   */
 180 #define I2S_STANDARD_PHILIPS             0x00000000U
 181 #define I2S_STANDARD_MSB                 ((uint32_t)SPI_I2SCFGR_I2SSTD_0)
 182 #define I2S_STANDARD_LSB                 ((uint32_t)SPI_I2SCFGR_I2SSTD_1)
 183 #define I2S_STANDARD_PCM_SHORT           ((uint32_t)(SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1))
 184 #define I2S_STANDARD_PCM_LONG            ((uint32_t)(SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1 | SPI_I2SCFGR_PCMSYNC))
 185 /**
 186   * @}
 187   */
 188
 189 /** @defgroup I2S_Data_Format I2S Data Format
 190   * @{
 191   */
 192 #define I2S_DATAFORMAT_16B               0x00000000U
 193 #define I2S_DATAFORMAT_16B_EXTENDED      ((uint32_t)SPI_I2SCFGR_CHLEN)
 194 #define I2S_DATAFORMAT_24B               ((uint32_t)(SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_0))
 195 #define I2S_DATAFORMAT_32B               ((uint32_t)(SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_1))
 196 /**
 197   * @}
 198   */
 199
 200 /** @defgroup I2S_MCLK_Output I2S Mclk Output
 201   * @{
 202   */
 203 #define I2S_MCLKOUTPUT_ENABLE           ((uint32_t)SPI_I2SPR_MCKOE)
 204 #define I2S_MCLKOUTPUT_DISABLE          0x00000000U
 205 /**
 206   * @}
 207   */
 208
 209 /** @defgroup I2S_Audio_Frequency I2S Audio Frequency
 210   * @{
 211   */
 212 #define I2S_AUDIOFREQ_192K               192000U
 213 #define I2S_AUDIOFREQ_96K                96000U
 214 #define I2S_AUDIOFREQ_48K                48000U
 215 #define I2S_AUDIOFREQ_44K                44100U
 216 #define I2S_AUDIOFREQ_32K                32000U
 217 #define I2S_AUDIOFREQ_22K                22050U
 218 #define I2S_AUDIOFREQ_16K                16000U
 219 #define I2S_AUDIOFREQ_11K                11025U
 220 #define I2S_AUDIOFREQ_8K                 8000U
 221 #define I2S_AUDIOFREQ_DEFAULT            2U
 222 /**
 223   * @}
 224   */
 225
 226 /** @defgroup I2S_Clock_Polarity  I2S Clock Polarity
 227   * @{
 228   */
 229 #define I2S_CPOL_LOW                    0x00000000U
 230 #define I2S_CPOL_HIGH                   ((uint32_t)SPI_I2SCFGR_CKPOL)
 231 /**
 232   * @}
 233   */
 234
 235 /** @defgroup I2S_Interrupts_Definition I2S Interrupts Definition
 236   * @{
 237   */
 238 #define I2S_IT_TXE                      SPI_CR2_TXEIE
 239 #define I2S_IT_RXNE                     SPI_CR2_RXNEIE
 240 #define I2S_IT_ERR                      SPI_CR2_ERRIE
 241 /**
 242   * @}
 243   */
 244
 245 /** @defgroup I2S_Flags_Definition I2S Flags Definition
 246   * @{
 247   */
 248 #define I2S_FLAG_TXE                    SPI_SR_TXE
 249 #define I2S_FLAG_RXNE                   SPI_SR_RXNE
 250
 251 #define I2S_FLAG_UDR                    SPI_SR_UDR
 252 #define I2S_FLAG_OVR                    SPI_SR_OVR
 253 #define I2S_FLAG_FRE                    SPI_SR_FRE
 254
 255 #define I2S_FLAG_CHSIDE                 SPI_SR_CHSIDE
 256 #define I2S_FLAG_BSY                    SPI_SR_BSY
 257 /**
 258   * @}
 259   */
 260
 261 /**
 262   * @}
 263   */
 264
 265 /* Exported macro ------------------------------------------------------------*/
 266 /** @defgroup I2S_Exported_Macros I2S Exported Macros
 267   * @{
 268   */
 269
 270 /** @brief Reset I2S handle state
 271   * @param  __HANDLE__: specifies the I2S Handle.
 272   * @retval None
 273   */
 274 #define __HAL_I2S_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2S_STATE_RESET)
 275
 276 /** @brief  Enable the specified SPI peripheral (in I2S mode).
 277   * @param  __HANDLE__: specifies the I2S Handle.
 278   * @retval None
 279   */
 280 #define __HAL_I2S_ENABLE(__HANDLE__)    (SET_BIT((__HANDLE__)->Instance->I2SCFGR, SPI_I2SCFGR_I2SE))
 281
 282 /** @brief  Disable the specified SPI peripheral (in I2S mode).
 283   * @param  __HANDLE__: specifies the I2S Handle.
 284   * @retval None
 285   */
 286 #define __HAL_I2S_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->I2SCFGR, SPI_I2SCFGR_I2SE))
 287
 288 /** @brief  Enable the specified I2S interrupts.
 289   * @param  __HANDLE__: specifies the I2S Handle.
 290   * @param  __INTERRUPT__: specifies the interrupt source to enable or disable.
 291   *         This parameter can be one of the following values:
 292   *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable
 293   *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
 294   *            @arg I2S_IT_ERR: Error interrupt enable
 295   * @retval None
 296   */
 297 #define __HAL_I2S_ENABLE_IT(__HANDLE__, __INTERRUPT__)    (SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)))
 298
 299 /** @brief  Disable the specified I2S interrupts.
 300   * @param  __HANDLE__: specifies the I2S Handle.
 301   * @param  __INTERRUPT__: specifies the interrupt source to enable or disable.
 302   *         This parameter can be one of the following values:
 303   *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable
 304   *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
 305   *            @arg I2S_IT_ERR: Error interrupt enable
 306   * @retval None
 307   */
 308 #define __HAL_I2S_DISABLE_IT(__HANDLE__, __INTERRUPT__) (CLEAR_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)))
 309
 310 /** @brief  Checks if the specified I2S interrupt source is enabled or disabled.
 311   * @param  __HANDLE__: specifies the I2S Handle.
 312   *         This parameter can be I2S where x: 1, 2, or 3 to select the I2S peripheral.
 313   * @param  __INTERRUPT__: specifies the I2S interrupt source to check.
 314   *          This parameter can be one of the following values:
 315   *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable
 316   *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
 317   *            @arg I2S_IT_ERR: Error interrupt enable
 318   * @retval The new state of __IT__ (TRUE or FALSE).
 319   */
 320 #define __HAL_I2S_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
 321
 322 /** @brief  Checks whether the specified I2S flag is set or not.
 323   * @param  __HANDLE__: specifies the I2S Handle.
 324   * @param  __FLAG__: specifies the flag to check.
 325   *         This parameter can be one of the following values:
 326   *            @arg I2S_FLAG_RXNE: Receive buffer not empty flag
 327   *            @arg I2S_FLAG_TXE: Transmit buffer empty flag
 328   *            @arg I2S_FLAG_UDR: Underrun flag
 329   *            @arg I2S_FLAG_OVR: Overrun flag
 330   *            @arg I2S_FLAG_FRE: Frame error flag
 331   *            @arg I2S_FLAG_CHSIDE: Channel Side flag
 332   *            @arg I2S_FLAG_BSY: Busy flag
 333   * @retval The new state of __FLAG__ (TRUE or FALSE).
 334   */
 335 #define __HAL_I2S_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
 336
 337 /** @brief Clears the I2S OVR pending flag.
 338   * @param  __HANDLE__: specifies the I2S Handle.
 339   * @retval None
 340   */
 341 #define __HAL_I2S_CLEAR_OVRFLAG(__HANDLE__)     \
 342   do{                                           \
 343     __IO uint32_t tmpreg = 0x00U;               \
 344     tmpreg = (__HANDLE__)->Instance->DR;        \
 345     tmpreg = (__HANDLE__)->Instance->SR;        \
 346     UNUSED(tmpreg);                             \
 347   } while(0U)
 348
 349 /** @brief Clears the I2S UDR pending flag.
 350   * @param  __HANDLE__: specifies the I2S Handle.
 351   * @retval None
 352   */
 353 #define __HAL_I2S_CLEAR_UDRFLAG(__HANDLE__)     \
 354   do{                                           \
 355   __IO uint32_t tmpreg = 0x00U;                 \
 356   tmpreg = (__HANDLE__)->Instance->SR;          \
 357   UNUSED(tmpreg);                               \
 358   } while(0U)
 359 /**
 360   * @}
 361   */
 362
 363 /* Exported functions --------------------------------------------------------*/
 364 /** @addtogroup I2S_Exported_Functions
 365   * @{
 366   */
 367
 368 /** @addtogroup I2S_Exported_Functions_Group1
 369   * @{
 370   */
 371 /* Initialization/de-initialization functions  ********************************/
 372 HAL_StatusTypeDef HAL_I2S_Init(I2S_HandleTypeDef *hi2s);
 373 HAL_StatusTypeDef HAL_I2S_DeInit (I2S_HandleTypeDef *hi2s);
 374 void HAL_I2S_MspInit(I2S_HandleTypeDef *hi2s);
 375 void HAL_I2S_MspDeInit(I2S_HandleTypeDef *hi2s);
 376 /**
 377   * @}
 378   */
 379
 380 /** @addtogroup I2S_Exported_Functions_Group2
 381   * @{
 382   */
 383 /* I/O operation functions  ***************************************************/
 384 /* Blocking mode: Polling */
 385 HAL_StatusTypeDef HAL_I2S_Transmit(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
 386 HAL_StatusTypeDef HAL_I2S_Receive(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
 387
 388  /* Non-Blocking mode: Interrupt */
 389 HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
 390 HAL_StatusTypeDef HAL_I2S_Receive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
 391 void HAL_I2S_IRQHandler(I2S_HandleTypeDef *hi2s);
 392
 393 /* Non-Blocking mode: DMA */
 394 HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
 395 HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
 396
 397 HAL_StatusTypeDef HAL_I2S_DMAPause(I2S_HandleTypeDef *hi2s);
 398 HAL_StatusTypeDef HAL_I2S_DMAResume(I2S_HandleTypeDef *hi2s);
 399 HAL_StatusTypeDef HAL_I2S_DMAStop(I2S_HandleTypeDef *hi2s);
 400
 401 /* Callbacks used in non blocking modes (Interrupt and DMA) *******************/
 402 void HAL_I2S_TxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
 403 void HAL_I2S_TxCpltCallback(I2S_HandleTypeDef *hi2s);
 404 void HAL_I2S_RxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
 405 void HAL_I2S_RxCpltCallback(I2S_HandleTypeDef *hi2s);
 406 void HAL_I2S_ErrorCallback(I2S_HandleTypeDef *hi2s);
 407 /**
 408   * @}
 409   */
 410
 411 /** @addtogroup I2S_Exported_Functions_Group3
 412   * @{
 413   */
 414 /* Peripheral Control and State functions  ************************************/
 415 HAL_I2S_StateTypeDef HAL_I2S_GetState(I2S_HandleTypeDef *hi2s);
 416 uint32_t HAL_I2S_GetError(I2S_HandleTypeDef *hi2s);
 417 /**
 418   * @}
 419   */
 420
 421 /**
 422   * @}
 423   */
 424
 425 /* Private types -------------------------------------------------------------*/
 426 /* Private variables ---------------------------------------------------------*/
 427 /* Private constants ---------------------------------------------------------*/
 428 /** @defgroup I2S_Private_Constants I2S Private Constants
 429   * @{
 430   */
 431
 432 /**
 433   * @}
 434   */
 435
 436 /* Private macros ------------------------------------------------------------*/
 437 /** @defgroup I2S_Private_Macros I2S Private Macros
 438   * @{
 439   */
 440 #define IS_I2S_MODE(MODE) (((MODE) == I2S_MODE_SLAVE_TX)  || \
 441                            ((MODE) == I2S_MODE_SLAVE_RX)  || \
 442                            ((MODE) == I2S_MODE_MASTER_TX) || \
 443                            ((MODE) == I2S_MODE_MASTER_RX))
 444
 445 #define IS_I2S_STANDARD(STANDARD) (((STANDARD) == I2S_STANDARD_PHILIPS)   || \
 446                                    ((STANDARD) == I2S_STANDARD_MSB)       || \
 447                                    ((STANDARD) == I2S_STANDARD_LSB)       || \
 448                                    ((STANDARD) == I2S_STANDARD_PCM_SHORT) || \
 449                                    ((STANDARD) == I2S_STANDARD_PCM_LONG))
 450
 451 #define IS_I2S_DATA_FORMAT(FORMAT) (((FORMAT) == I2S_DATAFORMAT_16B)          || \
 452                                     ((FORMAT) == I2S_DATAFORMAT_16B_EXTENDED) || \
 453                                     ((FORMAT) == I2S_DATAFORMAT_24B)          || \
 454                                     ((FORMAT) == I2S_DATAFORMAT_32B))
 455
 456 #define IS_I2S_MCLK_OUTPUT(OUTPUT) (((OUTPUT) == I2S_MCLKOUTPUT_ENABLE) || \
 457                                     ((OUTPUT) == I2S_MCLKOUTPUT_DISABLE))
 458
 459 #define IS_I2S_AUDIO_FREQ(FREQ) ((((FREQ) >= I2S_AUDIOFREQ_8K)    && \
 460                                   ((FREQ) <= I2S_AUDIOFREQ_192K)) || \
 461                                   ((FREQ) == I2S_AUDIOFREQ_DEFAULT))
 462
 463 #define IS_I2S_CPOL(CPOL) (((CPOL) == I2S_CPOL_LOW) || \
 464                            ((CPOL) == I2S_CPOL_HIGH))
 465 /**
 466   * @}
 467   */
 468
 469 /* Private Fonctions ---------------------------------------------------------*/
 470 /** @defgroup I2S_Private_Functions I2S Private Functions
 471   * @{
 472   */
 473 /* Private functions are defined in stm32f1xx_hal_i2s.c file */
 474 /**
 475   * @}
 476   */
 477
 478 /**
 479   * @}
 480   */
 481
 482 /**
 483   * @}
 484   */
 485 #endif /* STM32F103xE || STM32F103xG || STM32F105xC || STM32F107xC */
 486
 487 #ifdef __cplusplus
 488 }
 489 #endif
 490
 491 #endif /* __STM32F1xx_HAL_I2S_H */
 492
 493 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/