annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_spi.h @ 922:7c996354b8ac Evo_2_23

Moved UART6 into a separate unit: UART6 connects internal devices. As a first step the existing code sections have been moved into a new unit. As well the code of the external GNSS sensor has been copied into this unit as starting point for the further development. Later the internal part can be integrated into the common uart (code cleanup).
author Ideenmodellierer
date Sun, 03 Nov 2024 20:53:05 +0100
parents c78bcbd5deda
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_spi.h
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4 * @author MCD Application Team
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5 * @brief Header file of SPI 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_SPI_H
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38 #define __STM32F4xx_HAL_SPI_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
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51 /** @addtogroup SPI
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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 /** @defgroup SPI_Exported_Types SPI Exported Types
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57 * @{
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58 */
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59
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60 /**
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61 * @brief SPI Configuration Structure definition
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62 */
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63 typedef struct
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64 {
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65 uint32_t Mode; /*!< Specifies the SPI operating mode.
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66 This parameter can be a value of @ref SPI_Mode */
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67
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68 uint32_t Direction; /*!< Specifies the SPI bidirectional mode state.
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69 This parameter can be a value of @ref SPI_Direction */
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70
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71 uint32_t DataSize; /*!< Specifies the SPI data size.
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72 This parameter can be a value of @ref SPI_Data_Size */
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73
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74 uint32_t CLKPolarity; /*!< Specifies the serial clock steady state.
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75 This parameter can be a value of @ref SPI_Clock_Polarity */
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76
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77 uint32_t CLKPhase; /*!< Specifies the clock active edge for the bit capture.
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78 This parameter can be a value of @ref SPI_Clock_Phase */
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79
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80 uint32_t NSS; /*!< Specifies whether the NSS signal is managed by
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81 hardware (NSS pin) or by software using the SSI bit.
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82 This parameter can be a value of @ref SPI_Slave_Select_management */
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83
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84 uint32_t BaudRatePrescaler; /*!< Specifies the Baud Rate prescaler value which will be
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85 used to configure the transmit and receive SCK clock.
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86 This parameter can be a value of @ref SPI_BaudRate_Prescaler
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87 @note The communication clock is derived from the master
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88 clock. The slave clock does not need to be set. */
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89
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90 uint32_t FirstBit; /*!< Specifies whether data transfers start from MSB or LSB bit.
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91 This parameter can be a value of @ref SPI_MSB_LSB_transmission */
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92
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93 uint32_t TIMode; /*!< Specifies if the TI mode is enabled or not.
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94 This parameter can be a value of @ref SPI_TI_mode */
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95
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96 uint32_t CRCCalculation; /*!< Specifies if the CRC calculation is enabled or not.
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97 This parameter can be a value of @ref SPI_CRC_Calculation */
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98
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99 uint32_t CRCPolynomial; /*!< Specifies the polynomial used for the CRC calculation.
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100 This parameter must be a number between Min_Data = 0 and Max_Data = 65535 */
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101 }SPI_InitTypeDef;
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102
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103 /**
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104 * @brief HAL SPI State structure definition
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105 */
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106 typedef enum
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107 {
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108 HAL_SPI_STATE_RESET = 0x00U, /*!< Peripheral not Initialized */
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109 HAL_SPI_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */
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110 HAL_SPI_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */
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111 HAL_SPI_STATE_BUSY_TX = 0x03U, /*!< Data Transmission process is ongoing */
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112 HAL_SPI_STATE_BUSY_RX = 0x04U, /*!< Data Reception process is ongoing */
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113 HAL_SPI_STATE_BUSY_TX_RX = 0x05U, /*!< Data Transmission and Reception process is ongoing */
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114 HAL_SPI_STATE_ERROR = 0x06U /*!< SPI error state */
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115 }HAL_SPI_StateTypeDef;
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116
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117 /**
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118 * @brief SPI handle Structure definition
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119 */
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120 typedef struct __SPI_HandleTypeDef
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121 {
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122 SPI_TypeDef *Instance; /* SPI registers base address */
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123
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124 SPI_InitTypeDef Init; /* SPI communication parameters */
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125
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126 uint8_t *pTxBuffPtr; /* Pointer to SPI Tx transfer Buffer */
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127
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128 uint16_t TxXferSize; /* SPI Tx Transfer size */
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129
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130 __IO uint16_t TxXferCount; /* SPI Tx Transfer Counter */
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131
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132 uint8_t *pRxBuffPtr; /* Pointer to SPI Rx transfer Buffer */
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133
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134 uint16_t RxXferSize; /* SPI Rx Transfer size */
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135
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136 __IO uint16_t RxXferCount; /* SPI Rx Transfer Counter */
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137
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138 void (*RxISR)(struct __SPI_HandleTypeDef * hspi); /* function pointer on Rx ISR */
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139
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140 void (*TxISR)(struct __SPI_HandleTypeDef * hspi); /* function pointer on Tx ISR */
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141
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142 DMA_HandleTypeDef *hdmatx; /* SPI Tx DMA Handle parameters */
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143
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144 DMA_HandleTypeDef *hdmarx; /* SPI Rx DMA Handle parameters */
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145
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146 HAL_LockTypeDef Lock; /* Locking object */
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147
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148 __IO HAL_SPI_StateTypeDef State; /* SPI communication state */
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149
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150 __IO uint32_t ErrorCode; /* SPI Error code */
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151
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152 }SPI_HandleTypeDef;
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153
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154 /**
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155 * @}
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156 */
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157
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158 /* Exported constants --------------------------------------------------------*/
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159 /** @defgroup SPI_Exported_Constants SPI Exported Constants
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160 * @{
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161 */
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162
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163 /** @defgroup SPI_Error_Code SPI Error Code
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164 * @{
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165 */
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166 #define HAL_SPI_ERROR_NONE 0x00000000U /*!< No error */
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167 #define HAL_SPI_ERROR_MODF 0x00000001U /*!< MODF error */
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168 #define HAL_SPI_ERROR_CRC 0x00000002U /*!< CRC error */
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169 #define HAL_SPI_ERROR_OVR 0x00000004U /*!< OVR error */
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170 #define HAL_SPI_ERROR_FRE 0x00000008U /*!< FRE error */
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171 #define HAL_SPI_ERROR_DMA 0x00000010U /*!< DMA transfer error */
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172 #define HAL_SPI_ERROR_FLAG 0x00000020U /*!< Flag: RXNE,TXE, BSY */
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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 /** @defgroup SPI_Mode SPI Mode
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178 * @{
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179 */
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180 #define SPI_MODE_SLAVE 0x00000000U
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181 #define SPI_MODE_MASTER (SPI_CR1_MSTR | SPI_CR1_SSI)
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182 /**
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183 * @}
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184 */
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185
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186 /** @defgroup SPI_Direction SPI Direction Mode
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187 * @{
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188 */
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189 #define SPI_DIRECTION_2LINES 0x00000000U
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190 #define SPI_DIRECTION_2LINES_RXONLY SPI_CR1_RXONLY
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191 #define SPI_DIRECTION_1LINE SPI_CR1_BIDIMODE
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192 /**
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193 * @}
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194 */
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195
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196 /** @defgroup SPI_Data_Size SPI Data Size
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197 * @{
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198 */
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199 #define SPI_DATASIZE_8BIT 0x00000000U
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200 #define SPI_DATASIZE_16BIT SPI_CR1_DFF
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201 /**
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202 * @}
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203 */
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204
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205 /** @defgroup SPI_Clock_Polarity SPI Clock Polarity
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206 * @{
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207 */
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208 #define SPI_POLARITY_LOW 0x00000000U
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209 #define SPI_POLARITY_HIGH SPI_CR1_CPOL
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210 /**
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211 * @}
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212 */
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213
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214 /** @defgroup SPI_Clock_Phase SPI Clock Phase
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215 * @{
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216 */
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217 #define SPI_PHASE_1EDGE 0x00000000U
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218 #define SPI_PHASE_2EDGE SPI_CR1_CPHA
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219 /**
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220 * @}
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221 */
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222
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223 /** @defgroup SPI_Slave_Select_management SPI Slave Select Management
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224 * @{
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225 */
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226 #define SPI_NSS_SOFT SPI_CR1_SSM
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227 #define SPI_NSS_HARD_INPUT 0x00000000U
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228 #define SPI_NSS_HARD_OUTPUT 0x00040000U
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229 /**
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230 * @}
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231 */
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232
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233 /** @defgroup SPI_BaudRate_Prescaler SPI BaudRate Prescaler
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234 * @{
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235 */
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236 #define SPI_BAUDRATEPRESCALER_2 0x00000000U
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237 #define SPI_BAUDRATEPRESCALER_4 0x00000008U
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238 #define SPI_BAUDRATEPRESCALER_8 0x00000010U
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239 #define SPI_BAUDRATEPRESCALER_16 0x00000018U
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240 #define SPI_BAUDRATEPRESCALER_32 0x00000020U
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241 #define SPI_BAUDRATEPRESCALER_64 0x00000028U
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242 #define SPI_BAUDRATEPRESCALER_128 0x00000030U
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243 #define SPI_BAUDRATEPRESCALER_256 0x00000038U
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244 /**
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245 * @}
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246 */
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247
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248 /** @defgroup SPI_MSB_LSB_transmission SPI MSB LSB Transmission
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249 * @{
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250 */
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251 #define SPI_FIRSTBIT_MSB 0x00000000U
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252 #define SPI_FIRSTBIT_LSB SPI_CR1_LSBFIRST
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253 /**
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254 * @}
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255 */
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256
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257 /** @defgroup SPI_TI_mode SPI TI Mode
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258 * @{
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259 */
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260 #define SPI_TIMODE_DISABLE 0x00000000U
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261 #define SPI_TIMODE_ENABLE SPI_CR2_FRF
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262 /**
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263 * @}
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264 */
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265
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266 /** @defgroup SPI_CRC_Calculation SPI CRC Calculation
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267 * @{
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268 */
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269 #define SPI_CRCCALCULATION_DISABLE 0x00000000U
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270 #define SPI_CRCCALCULATION_ENABLE SPI_CR1_CRCEN
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271 /**
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272 * @}
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273 */
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274
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275 /** @defgroup SPI_Interrupt_definition SPI Interrupt Definition
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276 * @{
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277 */
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278 #define SPI_IT_TXE SPI_CR2_TXEIE
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279 #define SPI_IT_RXNE SPI_CR2_RXNEIE
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280 #define SPI_IT_ERR SPI_CR2_ERRIE
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281 /**
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282 * @}
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283 */
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284
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285 /** @defgroup SPI_Flags_definition SPI Flags Definition
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286 * @{
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287 */
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288 #define SPI_FLAG_RXNE SPI_SR_RXNE /* SPI status flag: Rx buffer not empty flag */
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289 #define SPI_FLAG_TXE SPI_SR_TXE /* SPI status flag: Tx buffer empty flag */
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290 #define SPI_FLAG_BSY SPI_SR_BSY /* SPI status flag: Busy flag */
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291 #define SPI_FLAG_CRCERR SPI_SR_CRCERR /* SPI Error flag: CRC error flag */
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292 #define SPI_FLAG_MODF SPI_SR_MODF /* SPI Error flag: Mode fault flag */
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293 #define SPI_FLAG_OVR SPI_SR_OVR /* SPI Error flag: Overrun flag */
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294 #define SPI_FLAG_FRE SPI_SR_FRE /* SPI Error flag: TI mode frame format error flag */
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295 /**
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296 * @}
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297 */
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298
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299 /**
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300 * @}
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301 */
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302
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303 /* Exported macro ------------------------------------------------------------*/
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304 /** @defgroup SPI_Exported_Macros SPI Exported Macros
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305 * @{
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306 */
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307
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308 /** @brief Reset SPI handle state.
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309 * @param __HANDLE__ specifies the SPI Handle.
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310 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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311 * @retval None
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312 */
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313 #define __HAL_SPI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SPI_STATE_RESET)
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314
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315 /** @brief Enable or disable the specified SPI interrupts.
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316 * @param __HANDLE__ specifies the SPI Handle.
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317 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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318 * @param __INTERRUPT__ specifies the interrupt source to enable or disable.
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319 * This parameter can be one of the following values:
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320 * @arg SPI_IT_TXE: Tx buffer empty interrupt enable
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321 * @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
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322 * @arg SPI_IT_ERR: Error interrupt enable
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323 * @retval None
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324 */
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325 #define __HAL_SPI_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 |= (__INTERRUPT__))
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326 #define __HAL_SPI_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 &= (~(__INTERRUPT__)))
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327
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328 /** @brief Check whether the specified SPI interrupt source is enabled or not.
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329 * @param __HANDLE__ specifies the SPI Handle.
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330 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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331 * @param __INTERRUPT__ specifies the SPI interrupt source to check.
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332 * This parameter can be one of the following values:
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333 * @arg SPI_IT_TXE: Tx buffer empty interrupt enable
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334 * @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
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335 * @arg SPI_IT_ERR: Error interrupt enable
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336 * @retval The new state of __IT__ (TRUE or FALSE).
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337 */
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338 #define __HAL_SPI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
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339
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340 /** @brief Check whether the specified SPI flag is set or not.
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341 * @param __HANDLE__ specifies the SPI Handle.
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342 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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343 * @param __FLAG__ specifies the flag to check.
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344 * This parameter can be one of the following values:
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345 * @arg SPI_FLAG_RXNE: Receive buffer not empty flag
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346 * @arg SPI_FLAG_TXE: Transmit buffer empty flag
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347 * @arg SPI_FLAG_CRCERR: CRC error flag
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348 * @arg SPI_FLAG_MODF: Mode fault flag
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349 * @arg SPI_FLAG_OVR: Overrun flag
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350 * @arg SPI_FLAG_BSY: Busy flag
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351 * @arg SPI_FLAG_FRE: Frame format error flag
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352 * @retval The new state of __FLAG__ (TRUE or FALSE).
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353 */
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354 #define __HAL_SPI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
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355
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356 /** @brief Clear the SPI CRCERR pending flag.
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357 * @param __HANDLE__ specifies the SPI Handle.
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358 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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359 * @retval None
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360 */
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361 #define __HAL_SPI_CLEAR_CRCERRFLAG(__HANDLE__) ((__HANDLE__)->Instance->SR = (uint16_t)(~SPI_FLAG_CRCERR))
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362
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363 /** @brief Clear the SPI MODF pending flag.
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364 * @param __HANDLE__ specifies the SPI Handle.
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365 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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366 * @retval None
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367 */
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368 #define __HAL_SPI_CLEAR_MODFFLAG(__HANDLE__) \
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369 do{ \
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370 __IO uint32_t tmpreg_modf = 0x00U; \
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371 tmpreg_modf = (__HANDLE__)->Instance->SR; \
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372 (__HANDLE__)->Instance->CR1 &= (~SPI_CR1_SPE); \
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373 UNUSED(tmpreg_modf); \
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374 } while(0U)
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375
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376 /** @brief Clear the SPI OVR pending flag.
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377 * @param __HANDLE__ specifies the SPI Handle.
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378 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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379 * @retval None
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380 */
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381 #define __HAL_SPI_CLEAR_OVRFLAG(__HANDLE__) \
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382 do{ \
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383 __IO uint32_t tmpreg_ovr = 0x00U; \
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384 tmpreg_ovr = (__HANDLE__)->Instance->DR; \
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385 tmpreg_ovr = (__HANDLE__)->Instance->SR; \
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386 UNUSED(tmpreg_ovr); \
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387 } while(0U)
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388
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389 /** @brief Clear the SPI FRE pending flag.
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390 * @param __HANDLE__ specifies the SPI Handle.
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391 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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392 * @retval None
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393 */
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394 #define __HAL_SPI_CLEAR_FREFLAG(__HANDLE__) \
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395 do{ \
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396 __IO uint32_t tmpreg_fre = 0x00U; \
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397 tmpreg_fre = (__HANDLE__)->Instance->SR; \
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398 UNUSED(tmpreg_fre); \
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399 }while(0U)
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400
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401 /** @brief Enable the SPI peripheral.
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402 * @param __HANDLE__ specifies the SPI Handle.
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403 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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404 * @retval None
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405 */
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406 #define __HAL_SPI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= SPI_CR1_SPE)
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407
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408 /** @brief Disable the SPI peripheral.
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409 * @param __HANDLE__ specifies the SPI Handle.
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410 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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411 * @retval None
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412 */
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413 #define __HAL_SPI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= (~SPI_CR1_SPE))
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414 /**
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415 * @}
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416 */
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417
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418 /* Exported functions --------------------------------------------------------*/
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419 /** @addtogroup SPI_Exported_Functions
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420 * @{
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421 */
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422
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423 /** @addtogroup SPI_Exported_Functions_Group1
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424 * @{
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425 */
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426 /* Initialization/de-initialization functions **********************************/
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427 HAL_StatusTypeDef HAL_SPI_Init(SPI_HandleTypeDef *hspi);
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428 HAL_StatusTypeDef HAL_SPI_DeInit (SPI_HandleTypeDef *hspi);
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429 void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi);
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430 void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi);
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431 /**
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432 * @}
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433 */
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434
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435 /** @addtogroup SPI_Exported_Functions_Group2
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436 * @{
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437 */
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438 /* I/O operation functions *****************************************************/
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439 HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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440 HAL_StatusTypeDef HAL_SPI_Receive(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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441 HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
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442 HAL_StatusTypeDef HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
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443 HAL_StatusTypeDef HAL_SPI_Receive_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
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444 HAL_StatusTypeDef HAL_SPI_TransmitReceive_IT(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
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445 HAL_StatusTypeDef HAL_SPI_Transmit_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
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446 HAL_StatusTypeDef HAL_SPI_Receive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
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447 HAL_StatusTypeDef HAL_SPI_TransmitReceive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
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448 HAL_StatusTypeDef HAL_SPI_DMAPause(SPI_HandleTypeDef *hspi);
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449 HAL_StatusTypeDef HAL_SPI_DMAResume(SPI_HandleTypeDef *hspi);
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450 HAL_StatusTypeDef HAL_SPI_DMAStop(SPI_HandleTypeDef *hspi);
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451 /* Transfer Abort functions */
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452 HAL_StatusTypeDef HAL_SPI_Abort(SPI_HandleTypeDef *hspi);
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453 HAL_StatusTypeDef HAL_SPI_Abort_IT(SPI_HandleTypeDef *hspi);
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454
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455 void HAL_SPI_IRQHandler(SPI_HandleTypeDef *hspi);
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456 void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi);
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457 void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi);
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458 void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi);
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459 void HAL_SPI_TxHalfCpltCallback(SPI_HandleTypeDef *hspi);
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460 void HAL_SPI_RxHalfCpltCallback(SPI_HandleTypeDef *hspi);
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461 void HAL_SPI_TxRxHalfCpltCallback(SPI_HandleTypeDef *hspi);
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462 void HAL_SPI_ErrorCallback(SPI_HandleTypeDef *hspi);
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463 void HAL_SPI_AbortCpltCallback(SPI_HandleTypeDef *hspi);
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464 /**
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465 * @}
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466 */
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467
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468 /** @addtogroup SPI_Exported_Functions_Group3
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469 * @{
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470 */
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471 /* Peripheral State and Error functions ***************************************/
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472 HAL_SPI_StateTypeDef HAL_SPI_GetState(SPI_HandleTypeDef *hspi);
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473 uint32_t HAL_SPI_GetError(SPI_HandleTypeDef *hspi);
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474 /**
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475 * @}
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476 */
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477
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478 /**
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479 * @}
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480 */
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481
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482 /* Private types -------------------------------------------------------------*/
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483 /* Private variables ---------------------------------------------------------*/
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484 /* Private constants ---------------------------------------------------------*/
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485
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486 /* Private macros ------------------------------------------------------------*/
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487 /** @defgroup SPI_Private_Macros SPI Private Macros
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488 * @{
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489 */
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490
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491 /** @brief Set the SPI transmit-only mode.
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492 * @param __HANDLE__ specifies the SPI Handle.
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493 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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494 * @retval None
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495 */
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496 #define SPI_1LINE_TX(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= SPI_CR1_BIDIOE)
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497
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498 /** @brief Set the SPI receive-only mode.
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499 * @param __HANDLE__ specifies the SPI Handle.
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500 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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501 * @retval None
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502 */
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503 #define SPI_1LINE_RX(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= (~SPI_CR1_BIDIOE))
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504
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505 /** @brief Reset the CRC calculation of the SPI.
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506 * @param __HANDLE__ specifies the SPI Handle.
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507 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
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508 * @retval None
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509 */
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510 #define SPI_RESET_CRC(__HANDLE__) do{(__HANDLE__)->Instance->CR1 &= (uint16_t)(~SPI_CR1_CRCEN);\
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511 (__HANDLE__)->Instance->CR1 |= SPI_CR1_CRCEN;}while(0U)
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512
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513 #define IS_SPI_MODE(MODE) (((MODE) == SPI_MODE_SLAVE) || \
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514 ((MODE) == SPI_MODE_MASTER))
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515
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516 #define IS_SPI_DIRECTION(MODE) (((MODE) == SPI_DIRECTION_2LINES) || \
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517 ((MODE) == SPI_DIRECTION_2LINES_RXONLY) || \
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518 ((MODE) == SPI_DIRECTION_1LINE))
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519
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520 #define IS_SPI_DIRECTION_2LINES(MODE) ((MODE) == SPI_DIRECTION_2LINES)
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521
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522 #define IS_SPI_DIRECTION_2LINES_OR_1LINE(MODE) (((MODE) == SPI_DIRECTION_2LINES) || \
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523 ((MODE) == SPI_DIRECTION_1LINE))
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524
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525 #define IS_SPI_DATASIZE(DATASIZE) (((DATASIZE) == SPI_DATASIZE_16BIT) || \
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526 ((DATASIZE) == SPI_DATASIZE_8BIT))
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527
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528 #define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_POLARITY_LOW) || \
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529 ((CPOL) == SPI_POLARITY_HIGH))
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530
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531 #define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_PHASE_1EDGE) || \
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532 ((CPHA) == SPI_PHASE_2EDGE))
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533
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534 #define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_SOFT) || \
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535 ((NSS) == SPI_NSS_HARD_INPUT) || \
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536 ((NSS) == SPI_NSS_HARD_OUTPUT))
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537
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538 #define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BAUDRATEPRESCALER_2) || \
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539 ((PRESCALER) == SPI_BAUDRATEPRESCALER_4) || \
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540 ((PRESCALER) == SPI_BAUDRATEPRESCALER_8) || \
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541 ((PRESCALER) == SPI_BAUDRATEPRESCALER_16) || \
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542 ((PRESCALER) == SPI_BAUDRATEPRESCALER_32) || \
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543 ((PRESCALER) == SPI_BAUDRATEPRESCALER_64) || \
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544 ((PRESCALER) == SPI_BAUDRATEPRESCALER_128) || \
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545 ((PRESCALER) == SPI_BAUDRATEPRESCALER_256))
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546
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547 #define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FIRSTBIT_MSB) || \
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548 ((BIT) == SPI_FIRSTBIT_LSB))
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549
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550 #define IS_SPI_TIMODE(MODE) (((MODE) == SPI_TIMODE_DISABLE) || \
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551 ((MODE) == SPI_TIMODE_ENABLE))
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552
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553 #define IS_SPI_CRC_CALCULATION(CALCULATION) (((CALCULATION) == SPI_CRCCALCULATION_DISABLE) || \
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554 ((CALCULATION) == SPI_CRCCALCULATION_ENABLE))
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555
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556 #define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) (((POLYNOMIAL) >= 0x01U) && ((POLYNOMIAL) <= 0xFFFFU))
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557
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558 /**
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559 * @}
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560 */
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561
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562 /* Private functions ---------------------------------------------------------*/
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563 /** @defgroup SPI_Private_Functions SPI Private Functions
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564 * @{
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565 */
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566
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567 /**
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568 * @}
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569 */
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570
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571 /**
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572 * @}
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573 */
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574
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575 /**
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576 * @}
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577 */
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578
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579 #ifdef __cplusplus
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580 }
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581 #endif
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582
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583 #endif /* __STM32F4xx_HAL_SPI_H */
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584
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585 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/