annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h @ 946:80ae8ea7f0a0 Evo_2_23

GNSS set to full power at startup: In case of an reset the module would continue in sleep mode if it was in this state. To avoid this the module will now always set to full power at startup of the RTE.
author Ideenmodellierer
date Sun, 22 Dec 2024 20:52:08 +0100
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_uart.h
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4 * @author MCD Application Team
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5 * @brief Header file of UART 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_UART_H
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38 #define __STM32F4xx_HAL_UART_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 UART
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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 UART_Exported_Types UART 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 UART 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 UART 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 * (OVR8+1) * (huart->Init.BaudRate)))
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68 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5
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69 Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */
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70
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71 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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72 This parameter can be a value of @ref UART_Word_Length */
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73
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74 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
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75 This parameter can be a value of @ref UART_Stop_Bits */
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76
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77 uint32_t Parity; /*!< Specifies the parity mode.
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78 This parameter can be a value of @ref UART_Parity
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79 @note When parity is enabled, the computed parity is inserted
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80 at the MSB position of the transmitted data (9th bit when
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81 the word length is set to 9 data bits; 8th bit when the
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82 word length is set to 8 data bits). */
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83
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84 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
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85 This parameter can be a value of @ref UART_Mode */
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86
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87 uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled
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88 or disabled.
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89 This parameter can be a value of @ref UART_Hardware_Flow_Control */
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90
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91 uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
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92 This parameter can be a value of @ref UART_Over_Sampling */
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93 }UART_InitTypeDef;
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94
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95 /**
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96 * @brief HAL UART State structures definition
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97 * @note HAL UART State value is a combination of 2 different substates: gState and RxState.
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98 * - gState contains UART state information related to global Handle management
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99 * and also information related to Tx operations.
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100 * gState value coding follow below described bitmap :
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101 * b7-b6 Error information
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102 * 00 : No Error
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103 * 01 : (Not Used)
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104 * 10 : Timeout
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105 * 11 : Error
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106 * b5 IP initilisation status
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107 * 0 : Reset (IP not initialized)
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108 * 1 : Init done (IP not initialized. HAL UART Init function already called)
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109 * b4-b3 (not used)
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110 * xx : Should be set to 00
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111 * b2 Intrinsic process state
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112 * 0 : Ready
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113 * 1 : Busy (IP busy with some configuration or internal operations)
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114 * b1 (not used)
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115 * x : Should be set to 0
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116 * b0 Tx state
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117 * 0 : Ready (no Tx operation ongoing)
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118 * 1 : Busy (Tx operation ongoing)
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119 * - RxState contains information related to Rx operations.
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120 * RxState value coding follow below described bitmap :
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121 * b7-b6 (not used)
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122 * xx : Should be set to 00
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123 * b5 IP initilisation status
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124 * 0 : Reset (IP not initialized)
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125 * 1 : Init done (IP not initialized)
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126 * b4-b2 (not used)
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127 * xxx : Should be set to 000
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128 * b1 Rx state
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129 * 0 : Ready (no Rx operation ongoing)
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130 * 1 : Busy (Rx operation ongoing)
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131 * b0 (not used)
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132 * x : Should be set to 0.
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133 */
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134 typedef enum
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135 {
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136 HAL_UART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized
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137 Value is allowed for gState and RxState */
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138 HAL_UART_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use
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139 Value is allowed for gState and RxState */
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140 HAL_UART_STATE_BUSY = 0x24U, /*!< an internal process is ongoing
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141 Value is allowed for gState only */
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142 HAL_UART_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing
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143 Value is allowed for gState only */
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144 HAL_UART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing
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145 Value is allowed for RxState only */
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146 HAL_UART_STATE_BUSY_TX_RX = 0x23U, /*!< Data Transmission and Reception process is ongoing
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147 Not to be used for neither gState nor RxState.
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148 Value is result of combination (Or) between gState and RxState values */
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149 HAL_UART_STATE_TIMEOUT = 0xA0U, /*!< Timeout state
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150 Value is allowed for gState only */
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151 HAL_UART_STATE_ERROR = 0xE0U /*!< Error
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152 Value is allowed for gState only */
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153 }HAL_UART_StateTypeDef;
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154
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155 /**
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156 * @brief UART handle Structure definition
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157 */
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158 typedef struct
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159 {
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160 USART_TypeDef *Instance; /*!< UART registers base address */
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161
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162 UART_InitTypeDef Init; /*!< UART communication parameters */
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163
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164 uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
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165
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166 uint16_t TxXferSize; /*!< UART Tx Transfer size */
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167
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168 __IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
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169
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170 uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
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171
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172 uint16_t RxXferSize; /*!< UART Rx Transfer size */
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173
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174 __IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
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175
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176 DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */
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177
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178 DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */
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179
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180 HAL_LockTypeDef Lock; /*!< Locking object */
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181
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182 __IO HAL_UART_StateTypeDef gState; /*!< UART state information related to global Handle management
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183 and also related to Tx operations.
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184 This parameter can be a value of @ref HAL_UART_StateTypeDef */
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185
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186 __IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations.
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187 This parameter can be a value of @ref HAL_UART_StateTypeDef */
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188
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189 __IO uint32_t ErrorCode; /*!< UART Error code */
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190
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191 }UART_HandleTypeDef;
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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 /* Exported constants --------------------------------------------------------*/
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197 /** @defgroup UART_Exported_Constants UART Exported constants
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198 * @{
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199 */
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200
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201 /** @defgroup UART_Error_Code UART Error Code
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202 * @brief UART Error Code
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203 * @{
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204 */
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205 #define HAL_UART_ERROR_NONE 0x00000000U /*!< No error */
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206 #define HAL_UART_ERROR_PE 0x00000001U /*!< Parity error */
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207 #define HAL_UART_ERROR_NE 0x00000002U /*!< Noise error */
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208 #define HAL_UART_ERROR_FE 0x00000004U /*!< Frame error */
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209 #define HAL_UART_ERROR_ORE 0x00000008U /*!< Overrun error */
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210 #define HAL_UART_ERROR_DMA 0x00000010U /*!< DMA transfer error */
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211 /**
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212 * @}
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213 */
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214
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215 /** @defgroup UART_Word_Length UART Word Length
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216 * @{
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217 */
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218 #define UART_WORDLENGTH_8B 0x00000000U
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219 #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
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220 /**
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221 * @}
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222 */
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223
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224 /** @defgroup UART_Stop_Bits UART Number of Stop Bits
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225 * @{
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226 */
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227 #define UART_STOPBITS_1 0x00000000U
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228 #define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
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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 UART_Parity UART Parity
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234 * @{
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235 */
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236 #define UART_PARITY_NONE 0x00000000U
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237 #define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
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238 #define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
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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 UART_Hardware_Flow_Control UART Hardware Flow Control
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244 * @{
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245 */
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246 #define UART_HWCONTROL_NONE 0x00000000U
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247 #define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE)
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248 #define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE)
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249 #define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
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250 /**
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251 * @}
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252 */
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253
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254 /** @defgroup UART_Mode UART Transfer Mode
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255 * @{
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256 */
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257 #define UART_MODE_RX ((uint32_t)USART_CR1_RE)
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258 #define UART_MODE_TX ((uint32_t)USART_CR1_TE)
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259 #define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
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260 /**
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261 * @}
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262 */
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263
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264 /** @defgroup UART_State UART State
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265 * @{
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266 */
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267 #define UART_STATE_DISABLE 0x00000000U
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268 #define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE)
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269 /**
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270 * @}
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271 */
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272
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273 /** @defgroup UART_Over_Sampling UART Over Sampling
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274 * @{
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275 */
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276 #define UART_OVERSAMPLING_16 0x00000000U
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277 #define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8)
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278 /**
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279 * @}
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280 */
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281
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282 /** @defgroup UART_LIN_Break_Detection_Length UART LIN Break Detection Length
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283 * @{
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284 */
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285 #define UART_LINBREAKDETECTLENGTH_10B 0x00000000U
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286 #define UART_LINBREAKDETECTLENGTH_11B 0x00000020U
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287 /**
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288 * @}
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289 */
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290
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291 /** @defgroup UART_WakeUp_functions UART Wakeup Functions
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292 * @{
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293 */
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294 #define UART_WAKEUPMETHOD_IDLELINE 0x00000000U
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295 #define UART_WAKEUPMETHOD_ADDRESSMARK 0x00000800U
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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 /** @defgroup UART_Flags UART FLags
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301 * Elements values convention: 0xXXXX
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302 * - 0xXXXX : Flag mask in the SR register
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303 * @{
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304 */
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305 #define UART_FLAG_CTS ((uint32_t)USART_SR_CTS)
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306 #define UART_FLAG_LBD ((uint32_t)USART_SR_LBD)
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307 #define UART_FLAG_TXE ((uint32_t)USART_SR_TXE)
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308 #define UART_FLAG_TC ((uint32_t)USART_SR_TC)
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309 #define UART_FLAG_RXNE ((uint32_t)USART_SR_RXNE)
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310 #define UART_FLAG_IDLE ((uint32_t)USART_SR_IDLE)
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311 #define UART_FLAG_ORE ((uint32_t)USART_SR_ORE)
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312 #define UART_FLAG_NE ((uint32_t)USART_SR_NE)
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313 #define UART_FLAG_FE ((uint32_t)USART_SR_FE)
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314 #define UART_FLAG_PE ((uint32_t)USART_SR_PE)
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315 /**
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316 * @}
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317 */
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318
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319 /** @defgroup UART_Interrupt_definition UART Interrupt Definitions
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320 * Elements values convention: 0xY000XXXX
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321 * - XXXX : Interrupt mask (16 bits) in the Y register
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322 * - Y : Interrupt source register (2bits)
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323 * - 0001: CR1 register
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324 * - 0010: CR2 register
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325 * - 0011: CR3 register
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326 *
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327 * @{
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328 */
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329
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330 #define UART_IT_PE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
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331 #define UART_IT_TXE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
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332 #define UART_IT_TC ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
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333 #define UART_IT_RXNE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
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334 #define UART_IT_IDLE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
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335
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336 #define UART_IT_LBD ((uint32_t)(UART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
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337
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338 #define UART_IT_CTS ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
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339 #define UART_IT_ERR ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
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340 /**
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341 * @}
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342 */
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343
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344 /**
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345 * @}
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346 */
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347
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348 /* Exported macro ------------------------------------------------------------*/
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349 /** @defgroup UART_Exported_Macros UART Exported Macros
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350 * @{
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351 */
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352
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353 /** @brief Reset UART handle gstate & RxState
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354 * @param __HANDLE__ specifies the UART Handle.
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355 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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356 * UART peripheral.
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357 * @retval None
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358 */
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359 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
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360 (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
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361 (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
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362 } while(0U)
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363
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364 /** @brief Flushes the UART DR register
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365 * @param __HANDLE__ specifies the UART Handle.
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366 */
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367 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
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368
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369 /** @brief Checks whether the specified UART flag is set or not.
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370 * @param __HANDLE__ specifies the UART Handle.
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371 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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372 * UART peripheral.
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373 * @param __FLAG__ specifies the flag to check.
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374 * This parameter can be one of the following values:
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375 * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5)
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376 * @arg UART_FLAG_LBD: LIN Break detection flag
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377 * @arg UART_FLAG_TXE: Transmit data register empty flag
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378 * @arg UART_FLAG_TC: Transmission Complete flag
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379 * @arg UART_FLAG_RXNE: Receive data register not empty flag
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380 * @arg UART_FLAG_IDLE: Idle Line detection flag
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381 * @arg UART_FLAG_ORE: Overrun Error flag
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382 * @arg UART_FLAG_NE: Noise Error flag
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383 * @arg UART_FLAG_FE: Framing Error flag
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384 * @arg UART_FLAG_PE: Parity Error flag
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385 * @retval The new state of __FLAG__ (TRUE or FALSE).
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386 */
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387
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388 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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389
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390 /** @brief Clears the specified UART pending flag.
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391 * @param __HANDLE__ specifies the UART Handle.
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392 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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393 * UART peripheral.
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394 * @param __FLAG__ specifies the flag to check.
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395 * This parameter can be any combination of the following values:
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396 * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5).
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397 * @arg UART_FLAG_LBD: LIN Break detection flag.
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398 * @arg UART_FLAG_TC: Transmission Complete flag.
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399 * @arg UART_FLAG_RXNE: Receive data register not empty flag.
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400 *
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401 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
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402 * error) and IDLE (Idle line detected) flags are cleared by software
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403 * sequence: a read operation to USART_SR register followed by a read
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404 * operation to USART_DR register.
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405 * @note RXNE flag can be also cleared by a read to the USART_DR register.
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406 * @note TC flag can be also cleared by software sequence: a read operation to
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407 * USART_SR register followed by a write operation to USART_DR register.
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408 * @note TXE flag is cleared only by a write to the USART_DR register.
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409 *
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410 * @retval None
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411 */
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412 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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413
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414 /** @brief Clear the UART PE pending flag.
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415 * @param __HANDLE__ specifies the UART Handle.
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416 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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417 * UART peripheral.
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418 * @retval None
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419 */
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420 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) \
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421 do{ \
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422 __IO uint32_t tmpreg = 0x00U; \
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423 tmpreg = (__HANDLE__)->Instance->SR; \
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424 tmpreg = (__HANDLE__)->Instance->DR; \
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425 UNUSED(tmpreg); \
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426 } while(0U)
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427
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428 /** @brief Clear the UART FE pending flag.
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429 * @param __HANDLE__ specifies the UART Handle.
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430 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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431 * UART peripheral.
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432 * @retval None
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433 */
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434 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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435
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436 /** @brief Clear the UART NE pending flag.
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437 * @param __HANDLE__ specifies the UART Handle.
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438 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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439 * UART peripheral.
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440 * @retval None
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441 */
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442 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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443
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444 /** @brief Clear the UART ORE pending flag.
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445 * @param __HANDLE__ specifies the UART Handle.
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446 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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447 * UART peripheral.
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448 * @retval None
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449 */
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450 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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451
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452 /** @brief Clear the UART IDLE pending flag.
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453 * @param __HANDLE__ specifies the UART Handle.
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454 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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455 * UART peripheral.
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456 * @retval None
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457 */
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458 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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459
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460 /** @brief Enable the specified UART interrupt.
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461 * @param __HANDLE__ specifies the UART Handle.
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462 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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463 * UART peripheral.
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464 * @param __INTERRUPT__ specifies the UART interrupt source to enable.
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465 * This parameter can be one of the following values:
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466 * @arg UART_IT_CTS: CTS change interrupt
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467 * @arg UART_IT_LBD: LIN Break detection interrupt
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468 * @arg UART_IT_TXE: Transmit Data Register empty interrupt
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469 * @arg UART_IT_TC: Transmission complete interrupt
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470 * @arg UART_IT_RXNE: Receive Data register not empty interrupt
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471 * @arg UART_IT_IDLE: Idle line detection interrupt
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472 * @arg UART_IT_PE: Parity Error interrupt
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473 * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
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474 * @retval None
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475 */
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476 #define UART_IT_MASK 0x0000FFFFU
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477 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
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478 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
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479 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
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480 /** @brief Disable the specified UART interrupt.
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481 * @param __HANDLE__ specifies the UART Handle.
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482 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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483 * UART peripheral.
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484 * @param __INTERRUPT__ specifies the UART interrupt source to disable.
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485 * This parameter can be one of the following values:
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486 * @arg UART_IT_CTS: CTS change interrupt
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487 * @arg UART_IT_LBD: LIN Break detection interrupt
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488 * @arg UART_IT_TXE: Transmit Data Register empty interrupt
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489 * @arg UART_IT_TC: Transmission complete interrupt
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490 * @arg UART_IT_RXNE: Receive Data register not empty interrupt
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491 * @arg UART_IT_IDLE: Idle line detection interrupt
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492 * @arg UART_IT_PE: Parity Error interrupt
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493 * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
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494 * @retval None
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495 */
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496 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
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497 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
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498 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
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499
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500 /** @brief Checks whether the specified UART interrupt has occurred or not.
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501 * @param __HANDLE__ specifies the UART Handle.
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502 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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503 * UART peripheral.
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504 * @param __IT__ specifies the UART interrupt source to check.
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505 * This parameter can be one of the following values:
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506 * @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
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507 * @arg UART_IT_LBD: LIN Break detection interrupt
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508 * @arg UART_IT_TXE: Transmit Data Register empty interrupt
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509 * @arg UART_IT_TC: Transmission complete interrupt
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510 * @arg UART_IT_RXNE: Receive Data register not empty interrupt
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511 * @arg UART_IT_IDLE: Idle line detection interrupt
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512 * @arg USART_IT_ERR: Error interrupt
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513 * @retval The new state of __IT__ (TRUE or FALSE).
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514 */
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515 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == 1U)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == 2U)? \
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516 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
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517
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518 /** @brief Enable CTS flow control
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519 * This macro allows to enable CTS hardware flow control for a given UART instance,
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520 * without need to call HAL_UART_Init() function.
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521 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
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522 * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
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523 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
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524 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
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525 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
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526 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
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527 * @param __HANDLE__ specifies the UART Handle.
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528 * The Handle Instance can be USART1, USART2 or LPUART.
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529 * @retval None
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530 */
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531 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
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532 do{ \
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533 SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
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534 (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
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535 } while(0U)
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536
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537 /** @brief Disable CTS flow control
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538 * This macro allows to disable CTS hardware flow control for a given UART instance,
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539 * without need to call HAL_UART_Init() function.
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540 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
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541 * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
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542 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
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543 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
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544 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
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545 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
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546 * @param __HANDLE__ specifies the UART Handle.
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547 * The Handle Instance can be USART1, USART2 or LPUART.
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548 * @retval None
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549 */
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550 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
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551 do{ \
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552 CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
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553 (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
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554 } while(0U)
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555
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556 /** @brief Enable RTS flow control
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557 * This macro allows to enable RTS hardware flow control for a given UART instance,
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558 * without need to call HAL_UART_Init() function.
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559 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
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560 * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
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561 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
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562 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
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563 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
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564 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
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565 * @param __HANDLE__ specifies the UART Handle.
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566 * The Handle Instance can be USART1, USART2 or LPUART.
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567 * @retval None
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568 */
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569 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
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570 do{ \
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571 SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
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572 (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
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573 } while(0U)
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574
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575 /** @brief Disable RTS flow control
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576 * This macro allows to disable RTS hardware flow control for a given UART instance,
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577 * without need to call HAL_UART_Init() function.
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578 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
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579 * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
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580 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
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581 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
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582 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
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583 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
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584 * @param __HANDLE__ specifies the UART Handle.
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585 * The Handle Instance can be USART1, USART2 or LPUART.
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586 * @retval None
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587 */
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588 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
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589 do{ \
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590 CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
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591 (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
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592 } while(0U)
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593
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594 /** @brief macros to enables the UART's one bit sample method
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595 * @param __HANDLE__ specifies the UART Handle.
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596 * @retval None
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597 */
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598 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
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599
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600 /** @brief macros to disables the UART's one bit sample method
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601 * @param __HANDLE__ specifies the UART Handle.
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602 * @retval None
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603 */
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604 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
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605
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606 /** @brief Enable UART
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607 * @param __HANDLE__ specifies the UART Handle.
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608 * @retval None
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609 */
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610 #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
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611
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612 /** @brief Disable UART
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613 * @param __HANDLE__ specifies the UART Handle.
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614 * @retval None
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615 */
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616 #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
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617 /**
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618 * @}
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619 */
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620
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621 /* Exported functions --------------------------------------------------------*/
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622 /** @addtogroup UART_Exported_Functions
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623 * @{
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624 */
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625
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626 /** @addtogroup UART_Exported_Functions_Group1
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627 * @{
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628 */
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629 /* Initialization/de-initialization functions **********************************/
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630 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
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631 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
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632 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
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633 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
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634 HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
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635 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
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636 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
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637 /**
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638 * @}
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639 */
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640
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641 /** @addtogroup UART_Exported_Functions_Group2
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642 * @{
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643 */
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644 /* IO operation functions *******************************************************/
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645 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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646 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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647 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
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648 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
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649 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
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650 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
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651 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
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652 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
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653 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
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654 /* Transfer Abort functions */
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655 HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
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656 HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
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657 HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
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658 HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
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659 HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
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660 HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
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661
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662 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
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663 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
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664 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
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665 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
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666 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
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667 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
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668 void HAL_UART_AbortCpltCallback (UART_HandleTypeDef *huart);
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669 void HAL_UART_AbortTransmitCpltCallback (UART_HandleTypeDef *huart);
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670 void HAL_UART_AbortReceiveCpltCallback (UART_HandleTypeDef *huart);
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671 /**
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672 * @}
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673 */
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674
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675 /** @addtogroup UART_Exported_Functions_Group3
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676 * @{
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677 */
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678 /* Peripheral Control functions ************************************************/
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679 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
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680 HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
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681 HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
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682 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
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683 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
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684 /**
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685 * @}
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686 */
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687
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688 /** @addtogroup UART_Exported_Functions_Group4
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689 * @{
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690 */
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691 /* Peripheral State functions **************************************************/
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692 HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
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693 uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
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694 /**
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695 * @}
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696 */
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697
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698 /**
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699 * @}
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700 */
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701 /* Private types -------------------------------------------------------------*/
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702 /* Private variables ---------------------------------------------------------*/
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703 /* Private constants ---------------------------------------------------------*/
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704 /** @defgroup UART_Private_Constants UART Private Constants
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705 * @{
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706 */
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707 /** @brief UART interruptions flag mask
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708 *
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709 */
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710 #define UART_CR1_REG_INDEX 1U
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711 #define UART_CR2_REG_INDEX 2U
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712 #define UART_CR3_REG_INDEX 3U
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713 /**
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714 * @}
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715 */
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716
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717 /* Private macros ------------------------------------------------------------*/
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718 /** @defgroup UART_Private_Macros UART Private Macros
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719 * @{
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720 */
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721 #define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
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722 ((LENGTH) == UART_WORDLENGTH_9B))
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723 #define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B))
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724 #define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
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725 ((STOPBITS) == UART_STOPBITS_2))
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726 #define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
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727 ((PARITY) == UART_PARITY_EVEN) || \
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728 ((PARITY) == UART_PARITY_ODD))
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729 #define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
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730 (((CONTROL) == UART_HWCONTROL_NONE) || \
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731 ((CONTROL) == UART_HWCONTROL_RTS) || \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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732 ((CONTROL) == UART_HWCONTROL_CTS) || \
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733 ((CONTROL) == UART_HWCONTROL_RTS_CTS))
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734 #define IS_UART_MODE(MODE) ((((MODE) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x00U))
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735 #define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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736 ((STATE) == UART_STATE_ENABLE))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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737 #define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
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738 ((SAMPLING) == UART_OVERSAMPLING_8))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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739 #define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16))
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740 #define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
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741 ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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742 #define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
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743 ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
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744 #define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001U)
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745 #define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0x0FU)
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746
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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747 #define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(4U*(_BAUD_)))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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748 #define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100U)
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749 #define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
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750 /* UART BRR = mantissa + overflow + fraction
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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751 = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */
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752 #define UART_BRR_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4U) + \
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753 (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0xF0U)) + \
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754 (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0FU))
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755
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756 #define UART_DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))
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757 #define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100U)
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758 #define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100U)) * 8U + 50U) / 100U)
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759 /* UART BRR = mantissa + overflow + fraction
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760 = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */
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761 #define UART_BRR_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4U) + \
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762 ((UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0xF8U) << 1U)) + \
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763 (UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x07U))
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764
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765 /**
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766 * @}
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767 */
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768
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769 /* Private functions ---------------------------------------------------------*/
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770 /** @defgroup UART_Private_Functions UART Private Functions
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771 * @{
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772 */
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773
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774 /**
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775 * @}
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776 */
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777
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778 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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779 * @}
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780 */
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781
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782 /**
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783 * @}
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784 */
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785
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786 #ifdef __cplusplus
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787 }
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788 #endif
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789
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790 #endif /* __STM32F4xx_HAL_UART_H */
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791
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792 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/