/**+
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  ******************************************************************************+
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  * @file    stm32f4xx_hal_i2s_ex.h+
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  * @author  MCD Application Team+
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  * @brief   Header file of I2S HAL module.+
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  ******************************************************************************+
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  * @attention+
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  *+
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  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>+
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  *+
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  * Redistribution and use in source and binary forms, with or without modification,+
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  * are permitted provided that the following conditions are met:+
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  *   1. Redistributions of source code must retain the above copyright notice,+
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  *      this list of conditions and the following disclaimer.+
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  *   2. Redistributions in binary form must reproduce the above copyright notice,+
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  *      this list of conditions and the following disclaimer in the documentation+
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  *      and/or other materials provided with the distribution.+
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  *   3. Neither the name of STMicroelectronics nor the names of its contributors+
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  *      may be used to endorse or promote products derived from this software+
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  *      without specific prior written permission.+
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  *+
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  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"+
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  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE+
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  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE+
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  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE+
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  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL+
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  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR+
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  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER+
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  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,+
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  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.+
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  *+
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  ******************************************************************************+
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  */+
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+
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/* Define to prevent recursive inclusion -------------------------------------*/+
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#ifndef __STM32F4xx_HAL_I2S_EX_H+
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#define __STM32F4xx_HAL_I2S_EX_H+
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+
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#ifdef __cplusplus+
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 extern "C" {+
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#endif+
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+
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/* Includes ------------------------------------------------------------------*/+
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#include "stm32f4xx_hal_def.h"+
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+
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/** @addtogroup STM32F4xx_HAL_Driver+
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  * @{+
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  */+
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#if defined(SPI_I2S_FULLDUPLEX_SUPPORT)+
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/** @addtogroup I2SEx I2SEx+
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  * @{+
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  */+
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+
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/* Exported types ------------------------------------------------------------*/+
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/* Exported constants --------------------------------------------------------*/+
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/* Exported macros -----------------------------------------------------------*/+
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/** @defgroup I2SEx_Exported_Macros I2S Extended Exported Macros+
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  * @{+
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  */+
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+
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#define I2SxEXT(__INSTANCE__) ((__INSTANCE__) == (SPI2)? (SPI_TypeDef *)(I2S2ext_BASE): (SPI_TypeDef *)(I2S3ext_BASE))+
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+
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/** @brief  Enable or disable the specified I2SExt peripheral.+
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  * @param  __HANDLE__ specifies the I2S Handle.+
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  * @retval None+
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  */+
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#define __HAL_I2SEXT_ENABLE(__HANDLE__) (I2SxEXT((__HANDLE__)->Instance)->I2SCFGR |= SPI_I2SCFGR_I2SE)+
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#define __HAL_I2SEXT_DISABLE(__HANDLE__) (I2SxEXT((__HANDLE__)->Instance)->I2SCFGR &= ~SPI_I2SCFGR_I2SE)+
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+
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/** @brief  Enable or disable the specified I2SExt interrupts.+
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  * @param  __HANDLE__ specifies the I2S Handle.+
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  * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.+
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  *        This parameter can be one of the following values:+
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  *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable+
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  *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable+
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  *            @arg I2S_IT_ERR: Error interrupt enable+
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  * @retval None+
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  */+
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#define __HAL_I2SEXT_ENABLE_IT(__HANDLE__, __INTERRUPT__) (I2SxEXT((__HANDLE__)->Instance)->CR2 |= (__INTERRUPT__))+
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#define __HAL_I2SEXT_DISABLE_IT(__HANDLE__, __INTERRUPT__) (I2SxEXT((__HANDLE__)->Instance)->CR2 &= ~(__INTERRUPT__))+
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+
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/** @brief  Checks if the specified I2SExt interrupt source is enabled or disabled.+
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  * @param  __HANDLE__ specifies the I2S Handle.+
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  *         This parameter can be I2S where x: 1, 2, or 3 to select the I2S peripheral.+
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  * @param  __INTERRUPT__ specifies the I2S interrupt source to check.+
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  *          This parameter can be one of the following values:+
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  *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable+
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  *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable+
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  *            @arg I2S_IT_ERR: Error interrupt enable+
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  * @retval The new state of __IT__ (TRUE or FALSE).+
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  */+
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#define __HAL_I2SEXT_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((I2SxEXT((__HANDLE__)->Instance)->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)+
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+
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/** @brief  Checks whether the specified I2SExt flag is set or not.+
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  * @param  __HANDLE__ specifies the I2S Handle.+
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  * @param  __FLAG__ specifies the flag to check.+
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  *        This parameter can be one of the following values:+
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  *            @arg I2S_FLAG_RXNE: Receive buffer not empty flag+
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  *            @arg I2S_FLAG_TXE: Transmit buffer empty flag+
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  *            @arg I2S_FLAG_UDR: Underrun flag+
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  *            @arg I2S_FLAG_OVR: Overrun flag+
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  *            @arg I2S_FLAG_FRE: Frame error flag+
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  *            @arg I2S_FLAG_CHSIDE: Channel Side flag+
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  *            @arg I2S_FLAG_BSY: Busy flag+
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  * @retval The new state of __FLAG__ (TRUE or FALSE).+
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  */+
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#define __HAL_I2SEXT_GET_FLAG(__HANDLE__, __FLAG__) (((I2SxEXT((__HANDLE__)->Instance)->SR) & (__FLAG__)) == (__FLAG__))+
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+
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/** @brief Clears the I2SExt OVR pending flag.+
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  * @param  __HANDLE__ specifies the I2S Handle.+
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  * @retval None+
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  */+
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#define __HAL_I2SEXT_CLEAR_OVRFLAG(__HANDLE__) do{                                                 \+
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                                                  __IO uint32_t tmpreg_ovr = 0x00U;                \+
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                                                  tmpreg_ovr = I2SxEXT((__HANDLE__)->Instance)->DR;\+
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                                                  tmpreg_ovr = I2SxEXT((__HANDLE__)->Instance)->SR;\+
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                                                  UNUSED(tmpreg_ovr);                              \+
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                                                  }while(0U)+
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/** @brief Clears the I2SExt UDR pending flag.+
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  * @param  __HANDLE__ specifies the I2S Handle.+
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  * @retval None+
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  */+
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#define __HAL_I2SEXT_CLEAR_UDRFLAG(__HANDLE__) do{                                                 \+
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                                                  __IO uint32_t tmpreg_udr = 0x00U;                \+
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                                                  tmpreg_udr = I2SxEXT((__HANDLE__)->Instance)->SR;\+
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                                                  UNUSED(tmpreg_udr);                              \+
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                                                  }while(0U)+
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/**+
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  * @}+
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  */+
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+
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/* Exported functions --------------------------------------------------------*/+
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/** @addtogroup I2SEx_Exported_Functions I2S Extended Exported Functions+
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  * @{+
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  */+
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+
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/** @addtogroup I2SEx_Exported_Functions_Group1 I2S Extended IO operation functions+
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  * @{+
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  */+
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+
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/* Extended features functions *************************************************/+
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/* Blocking mode: Polling */+
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HAL_StatusTypeDef HAL_I2SEx_TransmitReceive(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,+
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                                            uint16_t Size, uint32_t Timeout);+
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/* Non-Blocking mode: Interrupt */+
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HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,+
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                                               uint16_t Size);+
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/* Non-Blocking mode: DMA */+
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HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,+
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                                                uint16_t Size);+
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/* I2S IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */+
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void HAL_I2SEx_FullDuplex_IRQHandler(I2S_HandleTypeDef *hi2s);+
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void HAL_I2SEx_TxRxHalfCpltCallback(I2S_HandleTypeDef *hi2s);+
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void HAL_I2SEx_TxRxCpltCallback(I2S_HandleTypeDef *hi2s);+
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/**+
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  * @}+
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  */+
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+
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/**+
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  * @}+
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  */+
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/* Private types -------------------------------------------------------------*/+
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/* Private variables ---------------------------------------------------------*/+
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/* Private constants ---------------------------------------------------------*/+
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/* Private macros ------------------------------------------------------------*/+
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+
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/**+
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  * @}+
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  */+
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+
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/* Private functions ---------------------------------------------------------*/+
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+
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/**+
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  * @}+
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  */+
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+
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#endif /* SPI_I2S_FULLDUPLEX_SUPPORT */+
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/**+
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  * @}+
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  */+
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+
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#ifdef __cplusplus+
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}+
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#endif+
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+
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+
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#endif /* __STM32F4xx_HAL_I2S_EX_H */+
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+
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/+
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