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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s_ex.h @ 886:d398ecc7d103 Evo_2_23

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Improve communication stability: In case e.g. the bluetooth module has just been started some 'noice' characters may be in the receive buffer causing an error in the modul responds function. In case the legth of the response is unexpected then the buffer will be evaluated till it is empty or an matching answer is found.
author Ideenmodellierer
date Sun, 01 Sep 2024 21:38:06 +0200
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_i2s_ex.h
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4 * @author MCD Application Team
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5 * @brief Header file of I2S HAL module.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35
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36 /* Define to prevent recursive inclusion -------------------------------------*/
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37 #ifndef __STM32F4xx_HAL_I2S_EX_H
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38 #define __STM32F4xx_HAL_I2S_EX_H
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39
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40 #ifdef __cplusplus
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41 extern "C" {
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42 #endif
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43
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44 /* Includes ------------------------------------------------------------------*/
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45 #include "stm32f4xx_hal_def.h"
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46
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47 /** @addtogroup STM32F4xx_HAL_Driver
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48 * @{
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49 */
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50 #if defined(SPI_I2S_FULLDUPLEX_SUPPORT)
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51 /** @addtogroup I2SEx I2SEx
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52 * @{
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53 */
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54
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55 /* Exported types ------------------------------------------------------------*/
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56 /* Exported constants --------------------------------------------------------*/
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57 /* Exported macros -----------------------------------------------------------*/
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58 /** @defgroup I2SEx_Exported_Macros I2S Extended Exported Macros
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59 * @{
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60 */
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61
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62 #define I2SxEXT(__INSTANCE__) ((__INSTANCE__) == (SPI2)? (SPI_TypeDef *)(I2S2ext_BASE): (SPI_TypeDef *)(I2S3ext_BASE))
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63
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64 /** @brief Enable or disable the specified I2SExt peripheral.
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65 * @param __HANDLE__ specifies the I2S Handle.
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66 * @retval None
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67 */
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68 #define __HAL_I2SEXT_ENABLE(__HANDLE__) (I2SxEXT((__HANDLE__)->Instance)->I2SCFGR |= SPI_I2SCFGR_I2SE)
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69 #define __HAL_I2SEXT_DISABLE(__HANDLE__) (I2SxEXT((__HANDLE__)->Instance)->I2SCFGR &= ~SPI_I2SCFGR_I2SE)
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70
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71 /** @brief Enable or disable the specified I2SExt interrupts.
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72 * @param __HANDLE__ specifies the I2S Handle.
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73 * @param __INTERRUPT__ specifies the interrupt source to enable or disable.
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74 * This parameter can be one of the following values:
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75 * @arg I2S_IT_TXE: Tx buffer empty interrupt enable
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76 * @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
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77 * @arg I2S_IT_ERR: Error interrupt enable
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78 * @retval None
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79 */
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80 #define __HAL_I2SEXT_ENABLE_IT(__HANDLE__, __INTERRUPT__) (I2SxEXT((__HANDLE__)->Instance)->CR2 |= (__INTERRUPT__))
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81 #define __HAL_I2SEXT_DISABLE_IT(__HANDLE__, __INTERRUPT__) (I2SxEXT((__HANDLE__)->Instance)->CR2 &= ~(__INTERRUPT__))
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82
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83 /** @brief Checks if the specified I2SExt interrupt source is enabled or disabled.
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84 * @param __HANDLE__ specifies the I2S Handle.
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85 * This parameter can be I2S where x: 1, 2, or 3 to select the I2S peripheral.
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86 * @param __INTERRUPT__ specifies the I2S interrupt source to check.
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87 * This parameter can be one of the following values:
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88 * @arg I2S_IT_TXE: Tx buffer empty interrupt enable
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89 * @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
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90 * @arg I2S_IT_ERR: Error interrupt enable
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91 * @retval The new state of __IT__ (TRUE or FALSE).
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92 */
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93 #define __HAL_I2SEXT_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((I2SxEXT((__HANDLE__)->Instance)->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
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94
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95 /** @brief Checks whether the specified I2SExt flag is set or not.
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96 * @param __HANDLE__ specifies the I2S Handle.
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97 * @param __FLAG__ specifies the flag to check.
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98 * This parameter can be one of the following values:
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99 * @arg I2S_FLAG_RXNE: Receive buffer not empty flag
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100 * @arg I2S_FLAG_TXE: Transmit buffer empty flag
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101 * @arg I2S_FLAG_UDR: Underrun flag
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102 * @arg I2S_FLAG_OVR: Overrun flag
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103 * @arg I2S_FLAG_FRE: Frame error flag
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104 * @arg I2S_FLAG_CHSIDE: Channel Side flag
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105 * @arg I2S_FLAG_BSY: Busy flag
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106 * @retval The new state of __FLAG__ (TRUE or FALSE).
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107 */
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108 #define __HAL_I2SEXT_GET_FLAG(__HANDLE__, __FLAG__) (((I2SxEXT((__HANDLE__)->Instance)->SR) & (__FLAG__)) == (__FLAG__))
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109
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110 /** @brief Clears the I2SExt OVR pending flag.
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111 * @param __HANDLE__ specifies the I2S Handle.
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112 * @retval None
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113 */
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114 #define __HAL_I2SEXT_CLEAR_OVRFLAG(__HANDLE__) do{ \
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115 __IO uint32_t tmpreg_ovr = 0x00U; \
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116 tmpreg_ovr = I2SxEXT((__HANDLE__)->Instance)->DR;\
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117 tmpreg_ovr = I2SxEXT((__HANDLE__)->Instance)->SR;\
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118 UNUSED(tmpreg_ovr); \
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119 }while(0U)
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120 /** @brief Clears the I2SExt UDR pending flag.
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121 * @param __HANDLE__ specifies the I2S Handle.
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122 * @retval None
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123 */
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124 #define __HAL_I2SEXT_CLEAR_UDRFLAG(__HANDLE__) do{ \
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125 __IO uint32_t tmpreg_udr = 0x00U; \
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126 tmpreg_udr = I2SxEXT((__HANDLE__)->Instance)->SR;\
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127 UNUSED(tmpreg_udr); \
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128 }while(0U)
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129 /**
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130 * @}
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131 */
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132
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133 /* Exported functions --------------------------------------------------------*/
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134 /** @addtogroup I2SEx_Exported_Functions I2S Extended Exported Functions
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135 * @{
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136 */
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137
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138 /** @addtogroup I2SEx_Exported_Functions_Group1 I2S Extended IO operation functions
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139 * @{
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140 */
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141
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142 /* Extended features functions *************************************************/
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143 /* Blocking mode: Polling */
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144 HAL_StatusTypeDef HAL_I2SEx_TransmitReceive(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,
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145 uint16_t Size, uint32_t Timeout);
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146 /* Non-Blocking mode: Interrupt */
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147 HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,
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148 uint16_t Size);
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149 /* Non-Blocking mode: DMA */
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150 HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData,
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151 uint16_t Size);
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152 /* I2S IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
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153 void HAL_I2SEx_FullDuplex_IRQHandler(I2S_HandleTypeDef *hi2s);
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154 void HAL_I2SEx_TxRxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
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155 void HAL_I2SEx_TxRxCpltCallback(I2S_HandleTypeDef *hi2s);
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156 /**
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157 * @}
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158 */
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159
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160 /**
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161 * @}
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162 */
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163 /* Private types -------------------------------------------------------------*/
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164 /* Private variables ---------------------------------------------------------*/
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165 /* Private constants ---------------------------------------------------------*/
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166 /* Private macros ------------------------------------------------------------*/
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167
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168 /**
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169 * @}
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170 */
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171
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172 /* Private functions ---------------------------------------------------------*/
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173
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174 /**
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175 * @}
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176 */
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177
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178 #endif /* SPI_I2S_FULLDUPLEX_SUPPORT */
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179 /**
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180 * @}
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181 */
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182
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183 #ifdef __cplusplus
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184 }
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185 #endif
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186
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187
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188 #endif /* __STM32F4xx_HAL_I2S_EX_H */
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189
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190 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/