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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_usart.h @ 311:ddbe8bed5096 cleanup-4

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bugfix: make stopwatch and divetime run in sync And this shows the fundamental issue in the difference between dive time and stopwatch time. The dive time is constructed on the RTE, and rather independently, the stopwatch time is constructed on CPU1. This works rather well, but not perfect. This commit fixes things in a relatively straightforward way. Instead of incrementing the stopwatch locally on CPU1, simply use the same time data that is coming from the RTE. Some logic was added to make this stopwatch resettable again. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Wed, 29 May 2019 14:02:27 +0200
parents c78bcbd5deda
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_usart.h
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4 * @author MCD Application Team
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5 * @brief Header file of USART 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_USART_H
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38 #define __STM32F4xx_HAL_USART_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 USART
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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 USART_Exported_Types USART 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 USART Init 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 BaudRate; /*!< This member configures the Usart communication baud rate.
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66 The baud rate is computed using the following formula:
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67 - IntegerDivider = ((PCLKx) / (8 * (husart->Init.BaudRate)))
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68 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */
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69
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70 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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71 This parameter can be a value of @ref USART_Word_Length */
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72
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73 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
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74 This parameter can be a value of @ref USART_Stop_Bits */
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75
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76 uint32_t Parity; /*!< Specifies the parity mode.
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77 This parameter can be a value of @ref USART_Parity
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78 @note When parity is enabled, the computed parity is inserted
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79 at the MSB position of the transmitted data (9th bit when
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80 the word length is set to 9 data bits; 8th bit when the
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81 word length is set to 8 data bits). */
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82
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83 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
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84 This parameter can be a value of @ref USART_Mode */
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85
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86 uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
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87 This parameter can be a value of @ref USART_Clock_Polarity */
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88
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89 uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
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90 This parameter can be a value of @ref USART_Clock_Phase */
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91
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92 uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
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93 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
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94 This parameter can be a value of @ref USART_Last_Bit */
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95 }USART_InitTypeDef;
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96
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97 /**
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98 * @brief HAL State structures definition
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99 */
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100 typedef enum
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101 {
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102 HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */
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103 HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */
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104 HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */
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105 HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */
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106 HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
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107 HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */
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108 HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */
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109 HAL_USART_STATE_ERROR = 0x04U /*!< Error */
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110 }HAL_USART_StateTypeDef;
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111
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112 /**
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113 * @brief USART handle Structure definition
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114 */
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115 typedef struct
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116 {
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117 USART_TypeDef *Instance; /* USART registers base address */
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118
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119 USART_InitTypeDef Init; /* Usart communication parameters */
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120
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121 uint8_t *pTxBuffPtr; /* Pointer to Usart Tx transfer Buffer */
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122
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123 uint16_t TxXferSize; /* Usart Tx Transfer size */
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124
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125 __IO uint16_t TxXferCount; /* Usart Tx Transfer Counter */
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126
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127 uint8_t *pRxBuffPtr; /* Pointer to Usart Rx transfer Buffer */
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128
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129 uint16_t RxXferSize; /* Usart Rx Transfer size */
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130
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131 __IO uint16_t RxXferCount; /* Usart Rx Transfer Counter */
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132
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133 DMA_HandleTypeDef *hdmatx; /* Usart Tx DMA Handle parameters */
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134
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135 DMA_HandleTypeDef *hdmarx; /* Usart Rx DMA Handle parameters */
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136
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137 HAL_LockTypeDef Lock; /* Locking object */
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138
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139 __IO HAL_USART_StateTypeDef State; /* Usart communication state */
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140
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141 __IO uint32_t ErrorCode; /* USART Error code */
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142
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143 }USART_HandleTypeDef;
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144 /**
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145 * @}
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146 */
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147
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148 /* Exported constants --------------------------------------------------------*/
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149 /** @defgroup USART_Exported_Constants USART Exported Constants
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150 * @{
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151 */
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152
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153 /** @defgroup USART_Error_Code USART Error Code
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154 * @brief USART Error Code
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155 * @{
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156 */
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157 #define HAL_USART_ERROR_NONE 0x00000000U /*!< No error */
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158 #define HAL_USART_ERROR_PE 0x00000001U /*!< Parity error */
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159 #define HAL_USART_ERROR_NE 0x00000002U /*!< Noise error */
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160 #define HAL_USART_ERROR_FE 0x00000004U /*!< Frame error */
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161 #define HAL_USART_ERROR_ORE 0x00000008U /*!< Overrun error */
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162 #define HAL_USART_ERROR_DMA 0x00000010U /*!< DMA transfer error */
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163 /**
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164 * @}
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165 */
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166
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167 /** @defgroup USART_Word_Length USART Word Length
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168 * @{
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169 */
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170 #define USART_WORDLENGTH_8B 0x00000000U
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171 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
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172 /**
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173 * @}
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174 */
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175
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176 /** @defgroup USART_Stop_Bits USART Number of Stop Bits
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177 * @{
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178 */
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179 #define USART_STOPBITS_1 0x00000000U
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180 #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0)
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181 #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
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182 #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
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183 /**
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184 * @}
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185 */
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186
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187 /** @defgroup USART_Parity USART Parity
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188 * @{
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189 */
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190 #define USART_PARITY_NONE 0x00000000U
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191 #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
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192 #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
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193 /**
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194 * @}
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195 */
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196
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197 /** @defgroup USART_Mode USART Mode
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198 * @{
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199 */
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200 #define USART_MODE_RX ((uint32_t)USART_CR1_RE)
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201 #define USART_MODE_TX ((uint32_t)USART_CR1_TE)
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202 #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
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203 /**
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204 * @}
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205 */
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206
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207 /** @defgroup USART_Clock USART Clock
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208 * @{
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209 */
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210 #define USART_CLOCK_DISABLE 0x00000000U
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211 #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN)
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212 /**
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213 * @}
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214 */
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215
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216 /** @defgroup USART_Clock_Polarity USART Clock Polarity
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217 * @{
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218 */
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219 #define USART_POLARITY_LOW 0x00000000U
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220 #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL)
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221 /**
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222 * @}
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223 */
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224
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225 /** @defgroup USART_Clock_Phase USART Clock Phase
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226 * @{
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227 */
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228 #define USART_PHASE_1EDGE 0x00000000U
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229 #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA)
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230 /**
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231 * @}
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232 */
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233
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234 /** @defgroup USART_Last_Bit USART Last Bit
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235 * @{
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236 */
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237 #define USART_LASTBIT_DISABLE 0x00000000U
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238 #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL)
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239 /**
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240 * @}
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241 */
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242
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243 /** @defgroup USART_NACK_State USART NACK State
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244 * @{
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245 */
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246 #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK)
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247 #define USART_NACK_DISABLE 0x00000000U
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248 /**
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249 * @}
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250 */
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251
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252 /** @defgroup USART_Flags USART Flags
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253 * Elements values convention: 0xXXXX
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254 * - 0xXXXX : Flag mask in the SR register
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255 * @{
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256 */
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257 #define USART_FLAG_TXE 0x00000080U
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258 #define USART_FLAG_TC 0x00000040U
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259 #define USART_FLAG_RXNE 0x00000020U
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260 #define USART_FLAG_IDLE 0x00000010U
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261 #define USART_FLAG_ORE 0x00000008U
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262 #define USART_FLAG_NE 0x00000004U
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263 #define USART_FLAG_FE 0x00000002U
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264 #define USART_FLAG_PE 0x00000001U
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265 /**
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266 * @}
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267 */
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268
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269 /** @defgroup USART_Interrupt_definition USART Interrupts Definition
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270 * Elements values convention: 0xY000XXXX
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271 * - XXXX : Interrupt mask in the XX register
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272 * - Y : Interrupt source register (2bits)
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273 * - 01: CR1 register
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274 * - 10: CR2 register
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275 * - 11: CR3 register
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276 *
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277 * @{
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278 */
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279 #define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
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280 #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
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281 #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
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282 #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
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283 #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
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284
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285 #define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
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286
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287 #define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
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288 #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
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289 /**
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290 * @}
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291 */
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292
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293 /**
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294 * @}
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295 */
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296
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297 /* Exported macro ------------------------------------------------------------*/
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298 /** @defgroup USART_Exported_Macros USART Exported Macros
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299 * @{
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300 */
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301
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302 /** @brief Reset USART handle state
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303 * @param __HANDLE__ specifies the USART Handle.
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304 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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305 * @retval None
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306 */
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307 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
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308
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309 /** @brief Checks whether the specified Smartcard flag is set or not.
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310 * @param __HANDLE__ specifies the USART Handle.
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311 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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312 * @param __FLAG__ specifies the flag to check.
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313 * This parameter can be one of the following values:
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314 * @arg USART_FLAG_TXE: Transmit data register empty flag
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315 * @arg USART_FLAG_TC: Transmission Complete flag
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316 * @arg USART_FLAG_RXNE: Receive data register not empty flag
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317 * @arg USART_FLAG_IDLE: Idle Line detection flag
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318 * @arg USART_FLAG_ORE: Overrun Error flag
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319 * @arg USART_FLAG_NE: Noise Error flag
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320 * @arg USART_FLAG_FE: Framing Error flag
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321 * @arg USART_FLAG_PE: Parity Error flag
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322 * @retval The new state of __FLAG__ (TRUE or FALSE).
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323 */
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324 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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325
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326 /** @brief Clears the specified Smartcard pending flags.
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327 * @param __HANDLE__ specifies the USART Handle.
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328 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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329 * @param __FLAG__ specifies the flag to check.
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330 * This parameter can be any combination of the following values:
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331 * @arg USART_FLAG_TC: Transmission Complete flag.
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332 * @arg USART_FLAG_RXNE: Receive data register not empty flag.
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333 *
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334 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
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335 * error) and IDLE (Idle line detected) flags are cleared by software
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336 * sequence: a read operation to USART_SR register followed by a read
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337 * operation to USART_DR register.
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338 * @note RXNE flag can be also cleared by a read to the USART_DR register.
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339 * @note TC flag can be also cleared by software sequence: a read operation to
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340 * USART_SR register followed by a write operation to USART_DR register.
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341 * @note TXE flag is cleared only by a write to the USART_DR register.
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342 *
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343 * @retval None
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344 */
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345 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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346
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347 /** @brief Clear the USART PE pending flag.
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348 * @param __HANDLE__ specifies the USART Handle.
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349 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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350 * @retval None
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351 */
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352 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \
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353 do{ \
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354 __IO uint32_t tmpreg = 0x00U; \
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355 tmpreg = (__HANDLE__)->Instance->SR; \
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356 tmpreg = (__HANDLE__)->Instance->DR; \
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357 UNUSED(tmpreg); \
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358 } while(0U)
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359
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360 /** @brief Clear the USART FE pending flag.
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361 * @param __HANDLE__ specifies the USART Handle.
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362 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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363 * @retval None
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364 */
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365 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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366
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367 /** @brief Clear the USART NE pending flag.
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368 * @param __HANDLE__ specifies the USART Handle.
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369 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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370 * @retval None
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371 */
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372 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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373
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374 /** @brief Clear the UART ORE pending flag.
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375 * @param __HANDLE__ specifies the USART Handle.
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376 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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377 * @retval None
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378 */
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379 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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380
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381 /** @brief Clear the USART IDLE pending flag.
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382 * @param __HANDLE__ specifies the USART Handle.
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383 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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384 * @retval None
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385 */
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386 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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387
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388 /** @brief Enables or disables the specified USART interrupts.
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389 * @param __HANDLE__ specifies the USART Handle.
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390 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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391 * @param __INTERRUPT__ specifies the USART interrupt source to check.
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392 * This parameter can be one of the following values:
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393 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
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394 * @arg USART_IT_TC: Transmission complete interrupt
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395 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
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396 * @arg USART_IT_IDLE: Idle line detection interrupt
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397 * @arg USART_IT_PE: Parity Error interrupt
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398 * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
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399 * This parameter can be: ENABLE or DISABLE.
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400 * @retval None
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401 */
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402 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
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403 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
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404 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
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405 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
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406 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
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407 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
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408
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409 /** @brief Checks whether the specified USART interrupt has occurred or not.
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410 * @param __HANDLE__ specifies the USART Handle.
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411 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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412 * @param __IT__ specifies the USART interrupt source to check.
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413 * This parameter can be one of the following values:
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414 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
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415 * @arg USART_IT_TC: Transmission complete interrupt
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416 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
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417 * @arg USART_IT_IDLE: Idle line detection interrupt
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418 * @arg USART_IT_ERR: Error interrupt
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419 * @arg USART_IT_PE: Parity Error interrupt
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420 * @retval The new state of __IT__ (TRUE or FALSE).
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421 */
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422 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == 1U)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == 2U)? \
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423 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
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424
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425 /** @brief Macro to enable the USART's one bit sample method
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426 * @param __HANDLE__ specifies the USART Handle.
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427 * @retval None
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428 */
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429 #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
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430
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431 /** @brief Macro to disable the USART's one bit sample method
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432 * @param __HANDLE__ specifies the USART Handle.
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433 * @retval None
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434 */
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435 #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
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436
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437 /** @brief Enable USART
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438 * @param __HANDLE__ specifies the USART Handle.
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439 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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440 * @retval None
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441 */
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442 #define __HAL_USART_ENABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
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443
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444 /** @brief Disable USART
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445 * @param __HANDLE__ specifies the USART Handle.
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446 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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447 * @retval None
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448 */
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449 #define __HAL_USART_DISABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
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450
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451 /**
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452 * @}
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453 */
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454 /* Exported functions --------------------------------------------------------*/
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455 /** @addtogroup USART_Exported_Functions
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456 * @{
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457 */
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458
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459 /** @addtogroup USART_Exported_Functions_Group1
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460 * @{
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461 */
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462 /* Initialization/de-initialization functions **********************************/
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463 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
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464 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
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465 void HAL_USART_MspInit(USART_HandleTypeDef *husart);
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466 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
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467 /**
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468 * @}
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469 */
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470
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471 /** @addtogroup USART_Exported_Functions_Group2
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472 * @{
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473 */
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474 /* IO operation functions *******************************************************/
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475 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
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476 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
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477 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
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478 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
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479 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
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480 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
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481 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
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482 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
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483 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
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484 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
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485 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
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486 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
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487 /* Transfer Abort functions */
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488 HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
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489 HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
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490
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491 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
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492 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
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493 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
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494 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
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495 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
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496 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
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497 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
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498 void HAL_USART_AbortCpltCallback (USART_HandleTypeDef *husart);
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499 /**
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500 * @}
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501 */
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502
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503 /** @addtogroup USART_Exported_Functions_Group3
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504 * @{
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505 */
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506 /* Peripheral State functions ************************************************/
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507 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
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508 uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
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509 /**
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510 * @}
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511 */
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512
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513 /**
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514 * @}
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515 */
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516 /* Private types -------------------------------------------------------------*/
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517 /* Private variables ---------------------------------------------------------*/
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518 /* Private constants ---------------------------------------------------------*/
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519 /** @defgroup USART_Private_Constants USART Private Constants
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520 * @{
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521 */
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522 /** @brief USART interruptions flag mask
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523 *
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524 */
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525 #define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
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526 USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
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527
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528 #define USART_CR1_REG_INDEX 1U
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529 #define USART_CR2_REG_INDEX 2U
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530 #define USART_CR3_REG_INDEX 3U
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531 /**
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532 * @}
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533 */
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534
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535 /* Private macros ------------------------------------------------------------*/
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536 /** @defgroup USART_Private_Macros USART Private Macros
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537 * @{
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538 */
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539 #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
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540 ((NACK) == USART_NACK_DISABLE))
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541 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
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542 ((LASTBIT) == USART_LASTBIT_ENABLE))
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543 #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
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544 #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
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545 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
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546 ((CLOCK) == USART_CLOCK_ENABLE))
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547 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
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548 ((LENGTH) == USART_WORDLENGTH_9B))
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549 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
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550 ((STOPBITS) == USART_STOPBITS_0_5) || \
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551 ((STOPBITS) == USART_STOPBITS_1_5) || \
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552 ((STOPBITS) == USART_STOPBITS_2))
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553 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
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554 ((PARITY) == USART_PARITY_EVEN) || \
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555 ((PARITY) == USART_PARITY_ODD))
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556 #define IS_USART_MODE(MODE) ((((MODE) & 0xFFF3U) == 0x00U) && ((MODE) != 0x00U))
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557 #define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001U)
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558
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559 #define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))
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560 #define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100U)
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561 #define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
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562 #define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
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563 /**
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564 * @}
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565 */
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566
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567 /* Private functions ---------------------------------------------------------*/
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568 /** @defgroup USART_Private_Functions USART Private Functions
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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
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580 /**
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581 * @}
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582 */
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583
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584 #ifdef __cplusplus
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585 }
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586 #endif
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587
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588 #endif /* __STM32F4xx_HAL_USART_H */
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589
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590 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/