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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 * @version V1.2.0
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6 * @date 26-December-2014
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7 * @brief Header file of UART HAL module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without specific prior written permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Define to prevent recursive inclusion -------------------------------------*/
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39 #ifndef __STM32F4xx_HAL_UART_H
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40 #define __STM32F4xx_HAL_UART_H
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 /* Includes ------------------------------------------------------------------*/
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47 #include "stm32f4xx_hal_def.h"
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48
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49 /** @addtogroup STM32F4xx_HAL_Driver
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50 * @{
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51 */
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52
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53 /** @addtogroup UART
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54 * @{
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55 */
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56
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57 /* Exported types ------------------------------------------------------------*/
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58 /** @defgroup UART_Exported_Types UART Exported Types
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59 * @{
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60 */
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61
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62 /**
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63 * @brief UART Init Structure definition
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64 */
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65 typedef struct
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66 {
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67 uint32_t BaudRate; /*!< This member configures the UART communication baud rate.
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68 The baud rate is computed using the following formula:
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69 - IntegerDivider = ((PCLKx) / (8 * (OVR8+1) * (huart->Init.BaudRate)))
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70 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5
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71 Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */
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72
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73 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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74 This parameter can be a value of @ref UART_Word_Length */
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75
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76 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
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77 This parameter can be a value of @ref UART_Stop_Bits */
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78
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79 uint32_t Parity; /*!< Specifies the parity mode.
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80 This parameter can be a value of @ref UART_Parity
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81 @note When parity is enabled, the computed parity is inserted
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82 at the MSB position of the transmitted data (9th bit when
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83 the word length is set to 9 data bits; 8th bit when the
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84 word length is set to 8 data bits). */
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85
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86 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
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87 This parameter can be a value of @ref UART_Mode */
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88
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89 uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled
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90 or disabled.
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91 This parameter can be a value of @ref UART_Hardware_Flow_Control */
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92
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93 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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94 This parameter can be a value of @ref UART_Over_Sampling */
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95 }UART_InitTypeDef;
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96
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97 /**
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98 * @brief HAL UART 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_UART_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */
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103 HAL_UART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */
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104 HAL_UART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */
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105 HAL_UART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */
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106 HAL_UART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */
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107 HAL_UART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission and Reception process is ongoing */
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108 HAL_UART_STATE_TIMEOUT = 0x03, /*!< Timeout state */
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109 HAL_UART_STATE_ERROR = 0x04 /*!< Error */
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110 }HAL_UART_StateTypeDef;
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111
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112 /**
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113 * @brief UART 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; /*!< UART registers base address */
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118
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119 UART_InitTypeDef Init; /*!< UART communication parameters */
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120
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121 uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
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122
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123 uint16_t TxXferSize; /*!< UART Tx Transfer size */
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124
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125 uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
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126
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127 uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
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128
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129 uint16_t RxXferSize; /*!< UART Rx Transfer size */
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130
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131 uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
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132
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133 DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */
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134
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135 DMA_HandleTypeDef *hdmarx; /*!< UART 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_UART_StateTypeDef State; /*!< UART communication state */
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140
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141 __IO uint32_t ErrorCode; /*!< UART Error code */
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142
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143 }UART_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 UART_Exported_Constants UART Exported constants
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150 * @{
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151 */
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152
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153 /** @defgroup UART_Error_Code UART Error Code
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154 * @brief UART Error Code
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155 * @{
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156 */
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157 #define HAL_UART_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
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158 #define HAL_UART_ERROR_PE ((uint32_t)0x00000001) /*!< Parity error */
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159 #define HAL_UART_ERROR_NE ((uint32_t)0x00000002) /*!< Noise error */
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160 #define HAL_UART_ERROR_FE ((uint32_t)0x00000004) /*!< Frame error */
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161 #define HAL_UART_ERROR_ORE ((uint32_t)0x00000008) /*!< Overrun error */
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162 #define HAL_UART_ERROR_DMA ((uint32_t)0x00000010) /*!< 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 UART_Word_Length UART Word Length
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168 * @{
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169 */
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170 #define UART_WORDLENGTH_8B ((uint32_t)0x00000000)
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171 #define UART_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 UART_Stop_Bits UART Number of Stop Bits
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177 * @{
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178 */
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179 #define UART_STOPBITS_1 ((uint32_t)0x00000000)
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180 #define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
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181 /**
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182 * @}
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183 */
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184
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185 /** @defgroup UART_Parity UART Parity
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186 * @{
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187 */
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188 #define UART_PARITY_NONE ((uint32_t)0x00000000)
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189 #define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
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190 #define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
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191 /**
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192 * @}
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193 */
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194
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195 /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
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196 * @{
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197 */
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198 #define UART_HWCONTROL_NONE ((uint32_t)0x00000000)
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199 #define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE)
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200 #define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE)
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201 #define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
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202 /**
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203 * @}
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204 */
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205
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206 /** @defgroup UART_Mode UART Transfer Mode
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207 * @{
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208 */
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209 #define UART_MODE_RX ((uint32_t)USART_CR1_RE)
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210 #define UART_MODE_TX ((uint32_t)USART_CR1_TE)
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211 #define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
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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 UART_State UART State
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217 * @{
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218 */
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219 #define UART_STATE_DISABLE ((uint32_t)0x00000000)
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220 #define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE)
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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 UART_Over_Sampling UART Over Sampling
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226 * @{
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227 */
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228 #define UART_OVERSAMPLING_16 ((uint32_t)0x00000000)
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229 #define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8)
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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 UART_LIN_Break_Detection_Length UART LIN Break Detection Length
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235 * @{
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236 */
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237 #define UART_LINBREAKDETECTLENGTH_10B ((uint32_t)0x00000000)
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238 #define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)0x00000020)
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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_WakeUp_functions UART Wakeup Functions
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244 * @{
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245 */
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246 #define UART_WAKEUPMETHOD_IDLELINE ((uint32_t)0x00000000)
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247 #define UART_WAKEUPMETHOD_ADDRESSMARK ((uint32_t)0x00000800)
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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 UART_Flags UART 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 UART_FLAG_CTS ((uint32_t)USART_SR_CTS)
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258 #define UART_FLAG_LBD ((uint32_t)USART_SR_LBD)
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259 #define UART_FLAG_TXE ((uint32_t)USART_SR_TXE)
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260 #define UART_FLAG_TC ((uint32_t)USART_SR_TC)
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261 #define UART_FLAG_RXNE ((uint32_t)USART_SR_RXNE)
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262 #define UART_FLAG_IDLE ((uint32_t)USART_SR_IDLE)
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263 #define UART_FLAG_ORE ((uint32_t)USART_SR_ORE)
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264 #define UART_FLAG_NE ((uint32_t)USART_SR_NE)
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265 #define UART_FLAG_FE ((uint32_t)USART_SR_FE)
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266 #define UART_FLAG_PE ((uint32_t)USART_SR_PE)
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267 /**
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268 * @}
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269 */
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270
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271 /** @defgroup UART_Interrupt_definition UART Interrupt Definitions
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272 * Elements values convention: 0xY000XXXX
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273 * - XXXX : Interrupt mask (16 bits) in the Y register
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274 * - Y : Interrupt source register (2bits)
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275 * - 0001: CR1 register
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276 * - 0010: CR2 register
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277 * - 0011: CR3 register
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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 #define UART_IT_PE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_PEIE))
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283 #define UART_IT_TXE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_TXEIE))
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284 #define UART_IT_TC ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_TCIE))
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285 #define UART_IT_RXNE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_RXNEIE))
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286 #define UART_IT_IDLE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_IDLEIE))
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287
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288 #define UART_IT_LBD ((uint32_t)(UART_CR2_REG_INDEX << 28 | USART_CR2_LBDIE))
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289
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290 #define UART_IT_CTS ((uint32_t)(UART_CR3_REG_INDEX << 28 | USART_CR3_CTSIE))
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291 #define UART_IT_ERR ((uint32_t)(UART_CR3_REG_INDEX << 28 | USART_CR3_EIE))
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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 * @}
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298 */
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299
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300 /* Exported macro ------------------------------------------------------------*/
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301 /** @defgroup UART_Exported_Macros UART Exported Macros
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302 * @{
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303 */
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304
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305 /** @brief Reset UART handle state
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306 * @param __HANDLE__: specifies the UART Handle.
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307 * 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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308 * UART peripheral.
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309 * @retval None
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310 */
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311 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET)
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312
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313 /** @brief Flushes the UART DR register
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314 * @param __HANDLE__: specifies the UART Handle.
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315 */
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316 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
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317
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318 /** @brief Checks whether the specified UART flag is set or not.
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319 * @param __HANDLE__: specifies the UART Handle.
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320 * 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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321 * UART peripheral.
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322 * @param __FLAG__: specifies the flag to check.
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323 * This parameter can be one of the following values:
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324 * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5)
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325 * @arg UART_FLAG_LBD: LIN Break detection flag
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326 * @arg UART_FLAG_TXE: Transmit data register empty flag
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327 * @arg UART_FLAG_TC: Transmission Complete flag
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328 * @arg UART_FLAG_RXNE: Receive data register not empty flag
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329 * @arg UART_FLAG_IDLE: Idle Line detection flag
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330 * @arg UART_FLAG_ORE: Overrun Error flag
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331 * @arg UART_FLAG_NE: Noise Error flag
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332 * @arg UART_FLAG_FE: Framing Error flag
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333 * @arg UART_FLAG_PE: Parity Error flag
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334 * @retval The new state of __FLAG__ (TRUE or FALSE).
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335 */
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336
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337 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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338
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339 /** @brief Clears the specified UART pending flag.
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340 * @param __HANDLE__: specifies the UART Handle.
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341 * 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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342 * UART peripheral.
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343 * @param __FLAG__: specifies the flag to check.
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344 * This parameter can be any combination of the following values:
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345 * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5).
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346 * @arg UART_FLAG_LBD: LIN Break detection flag.
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347 * @arg UART_FLAG_TC: Transmission Complete flag.
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348 * @arg UART_FLAG_RXNE: Receive data register not empty flag.
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349 *
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350 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
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351 * error) and IDLE (Idle line detected) flags are cleared by software
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352 * sequence: a read operation to USART_SR register followed by a read
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353 * operation to USART_DR register.
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354 * @note RXNE flag can be also cleared by a read to the USART_DR register.
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355 * @note TC flag can be also cleared by software sequence: a read operation to
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356 * USART_SR register followed by a write operation to USART_DR register.
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357 * @note TXE flag is cleared only by a write to the USART_DR register.
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358 *
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359 * @retval None
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360 */
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361 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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362
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363 /** @brief Clear the UART PE pending flag.
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364 * @param __HANDLE__: specifies the UART Handle.
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365 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
|
|
366 * UART peripheral.
|
|
|
367 * @retval None
|
|
|
368 */
|
|
|
369 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) \
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|
|
370 do{ \
|
|
|
371 __IO uint32_t tmpreg; \
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|
|
372 tmpreg = (__HANDLE__)->Instance->SR; \
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|
|
373 tmpreg = (__HANDLE__)->Instance->DR; \
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|
|
374 UNUSED(tmpreg); \
|
|
|
375 } while(0)
|
|
|
376
|
|
|
377 /** @brief Clear the UART FE pending flag.
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|
|
378 * @param __HANDLE__: specifies the UART Handle.
|
|
|
379 * 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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|
|
380 * UART peripheral.
|
|
|
381 * @retval None
|
|
|
382 */
|
|
|
383 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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|
|
384
|
|
|
385 /** @brief Clear the UART NE pending flag.
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|
|
386 * @param __HANDLE__: specifies the UART Handle.
|
|
|
387 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
|
|
388 * UART peripheral.
|
|
|
389 * @retval None
|
|
|
390 */
|
|
|
391 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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|
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392
|
|
|
393 /** @brief Clear the UART ORE pending flag.
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|
|
394 * @param __HANDLE__: specifies the UART Handle.
|
|
|
395 * 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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|
|
396 * UART peripheral.
|
|
|
397 * @retval None
|
|
|
398 */
|
|
|
399 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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|
|
400
|
|
|
401 /** @brief Clear the UART IDLE pending flag.
|
|
|
402 * @param __HANDLE__: specifies the UART Handle.
|
|
|
403 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
|
|
404 * UART peripheral.
|
|
|
405 * @retval None
|
|
|
406 */
|
|
|
407 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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|
|
408
|
|
|
409 /** @brief Enable the specified UART interrupt.
|
|
|
410 * @param __HANDLE__: specifies the UART Handle.
|
|
|
411 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
|
|
412 * UART peripheral.
|
|
|
413 * @param __INTERRUPT__: specifies the UART interrupt source to enable.
|
|
|
414 * This parameter can be one of the following values:
|
|
|
415 * @arg UART_IT_CTS: CTS change interrupt
|
|
|
416 * @arg UART_IT_LBD: LIN Break detection interrupt
|
|
|
417 * @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
|
|
418 * @arg UART_IT_TC: Transmission complete interrupt
|
|
|
419 * @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
|
|
420 * @arg UART_IT_IDLE: Idle line detection interrupt
|
|
|
421 * @arg UART_IT_PE: Parity Error interrupt
|
|
|
422 * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
|
|
|
423 * @retval None
|
|
|
424 */
|
|
|
425 #define UART_IT_MASK ((uint32_t)0x0000FFFF)
|
|
|
426 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
|
|
|
427 (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
|
|
|
428 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
|
|
|
429 /** @brief Disable the specified UART interrupt.
|
|
|
430 * @param __HANDLE__: specifies the UART Handle.
|
|
|
431 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
|
|
432 * UART peripheral.
|
|
|
433 * @param __INTERRUPT__: specifies the UART interrupt source to disable.
|
|
|
434 * This parameter can be one of the following values:
|
|
|
435 * @arg UART_IT_CTS: CTS change interrupt
|
|
|
436 * @arg UART_IT_LBD: LIN Break detection interrupt
|
|
|
437 * @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
|
|
438 * @arg UART_IT_TC: Transmission complete interrupt
|
|
|
439 * @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
|
|
440 * @arg UART_IT_IDLE: Idle line detection interrupt
|
|
|
441 * @arg UART_IT_PE: Parity Error interrupt
|
|
|
442 * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
|
|
|
443 * @retval None
|
|
|
444 */
|
|
|
445 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
|
|
|
446 (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
|
|
|
447 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
|
|
|
448
|
|
|
449 /** @brief Checks whether the specified UART interrupt has occurred or not.
|
|
|
450 * @param __HANDLE__: specifies the UART Handle.
|
|
|
451 * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
|
|
452 * UART peripheral.
|
|
|
453 * @param __IT__: specifies the UART interrupt source to check.
|
|
|
454 * This parameter can be one of the following values:
|
|
|
455 * @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
|
|
|
456 * @arg UART_IT_LBD: LIN Break detection interrupt
|
|
|
457 * @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
|
|
458 * @arg UART_IT_TC: Transmission complete interrupt
|
|
|
459 * @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
|
|
460 * @arg UART_IT_IDLE: Idle line detection interrupt
|
|
|
461 * @arg USART_IT_ERR: Error interrupt
|
|
|
462 * @retval The new state of __IT__ (TRUE or FALSE).
|
|
|
463 */
|
|
|
464 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \
|
|
|
465 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
|
|
|
466
|
|
|
467 /** @brief Enable CTS flow control
|
|
|
468 * This macro allows to enable CTS hardware flow control for a given UART instance,
|
|
|
469 * without need to call HAL_UART_Init() function.
|
|
|
470 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
|
|
471 * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
|
|
|
472 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
|
|
473 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
|
|
474 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
|
|
475 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
|
|
476 * @param __HANDLE__: specifies the UART Handle.
|
|
|
477 * The Handle Instance can be USART1, USART2 or LPUART.
|
|
|
478 * @retval None
|
|
|
479 */
|
|
|
480 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
|
|
|
481 do{ \
|
|
|
482 SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
|
|
|
483 (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
|
|
|
484 } while(0)
|
|
|
485
|
|
|
486 /** @brief Disable CTS flow control
|
|
|
487 * This macro allows to disable CTS hardware flow control for a given UART instance,
|
|
|
488 * without need to call HAL_UART_Init() function.
|
|
|
489 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
|
|
490 * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
|
|
|
491 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
|
|
492 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
|
|
493 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
|
|
494 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
|
|
495 * @param __HANDLE__: specifies the UART Handle.
|
|
|
496 * The Handle Instance can be USART1, USART2 or LPUART.
|
|
|
497 * @retval None
|
|
|
498 */
|
|
|
499 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
|
|
|
500 do{ \
|
|
|
501 CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
|
|
|
502 (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
|
|
|
503 } while(0)
|
|
|
504
|
|
|
505 /** @brief Enable RTS flow control
|
|
|
506 * This macro allows to enable RTS hardware flow control for a given UART instance,
|
|
|
507 * without need to call HAL_UART_Init() function.
|
|
|
508 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
|
|
509 * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
|
|
510 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
|
|
511 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
|
|
512 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
|
|
513 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
|
|
514 * @param __HANDLE__: specifies the UART Handle.
|
|
|
515 * The Handle Instance can be USART1, USART2 or LPUART.
|
|
|
516 * @retval None
|
|
|
517 */
|
|
|
518 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
|
|
|
519 do{ \
|
|
|
520 SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
|
|
|
521 (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
|
|
|
522 } while(0)
|
|
|
523
|
|
|
524 /** @brief Disable RTS flow control
|
|
|
525 * This macro allows to disable RTS hardware flow control for a given UART instance,
|
|
|
526 * without need to call HAL_UART_Init() function.
|
|
|
527 * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
|
|
528 * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
|
|
529 * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
|
|
530 * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
|
|
531 * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
|
|
532 * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
|
|
533 * @param __HANDLE__: specifies the UART Handle.
|
|
|
534 * The Handle Instance can be USART1, USART2 or LPUART.
|
|
|
535 * @retval None
|
|
|
536 */
|
|
|
537 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
|
|
|
538 do{ \
|
|
|
539 CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
|
|
|
540 (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
|
|
|
541 } while(0)
|
|
|
542
|
|
|
543 /** @brief macros to enables the UART's one bit sample method
|
|
|
544 * @param __HANDLE__: specifies the UART Handle.
|
|
|
545 * @retval None
|
|
|
546 */
|
|
|
547 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
|
|
|
548
|
|
|
549 /** @brief macros to disables the UART's one bit sample method
|
|
|
550 * @param __HANDLE__: specifies the UART Handle.
|
|
|
551 * @retval None
|
|
|
552 */
|
|
|
553 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
|
|
|
554
|
|
|
555 /** @brief Enable UART
|
|
|
556 * @param __HANDLE__: specifies the UART Handle.
|
|
|
557 * @retval None
|
|
|
558 */
|
|
|
559 #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
|
|
|
560
|
|
|
561 /** @brief Disable UART
|
|
|
562 * @param __HANDLE__: specifies the UART Handle.
|
|
|
563 * @retval None
|
|
|
564 */
|
|
|
565 #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
|
|
|
566 /**
|
|
|
567 * @}
|
|
|
568 */
|
|
|
569
|
|
|
570 /* Exported functions --------------------------------------------------------*/
|
|
|
571 /** @addtogroup UART_Exported_Functions
|
|
|
572 * @{
|
|
|
573 */
|
|
|
574
|
|
|
575 /** @addtogroup UART_Exported_Functions_Group1
|
|
|
576 * @{
|
|
|
577 */
|
|
|
578 /* Initialization/de-initialization functions **********************************/
|
|
|
579 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
|
|
|
580 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
|
|
|
581 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
|
|
|
582 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
|
|
|
583 HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
|
|
|
584 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
|
|
|
585 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
|
|
|
586 /**
|
|
|
587 * @}
|
|
|
588 */
|
|
|
589
|
|
|
590 /** @addtogroup UART_Exported_Functions_Group2
|
|
|
591 * @{
|
|
|
592 */
|
|
|
593 /* IO operation functions *******************************************************/
|
|
|
594 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
|
|
595 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
|
|
596 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
|
597 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
|
598 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
|
599 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
|
600 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
|
|
|
601 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
|
|
|
602 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
|
|
|
603 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
|
|
|
604 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
|
|
|
605 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
|
|
|
606 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
|
|
|
607 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
|
|
|
608 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
|
|
|
609 /**
|
|
|
610 * @}
|
|
|
611 */
|
|
|
612
|
|
|
613 /** @addtogroup UART_Exported_Functions_Group3
|
|
|
614 * @{
|
|
|
615 */
|
|
|
616 /* Peripheral Control functions ************************************************/
|
|
|
617 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
|
|
|
618 HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
|
|
|
619 HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
|
|
|
620 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
|
|
|
621 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
|
|
|
622 /**
|
|
|
623 * @}
|
|
|
624 */
|
|
|
625
|
|
|
626 /** @addtogroup UART_Exported_Functions_Group4
|
|
|
627 * @{
|
|
|
628 */
|
|
|
629 /* Peripheral State functions **************************************************/
|
|
|
630 HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
|
|
|
631 uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
|
|
|
632 /**
|
|
|
633 * @}
|
|
|
634 */
|
|
|
635
|
|
|
636 /**
|
|
|
637 * @}
|
|
|
638 */
|
|
|
639 /* Private types -------------------------------------------------------------*/
|
|
|
640 /* Private variables ---------------------------------------------------------*/
|
|
|
641 /* Private constants ---------------------------------------------------------*/
|
|
|
642 /** @defgroup UART_Private_Constants UART Private Constants
|
|
|
643 * @{
|
|
|
644 */
|
|
|
645 /** @brief UART interruptions flag mask
|
|
|
646 *
|
|
|
647 */
|
|
|
648 #define UART_CR1_REG_INDEX 1
|
|
|
649 #define UART_CR2_REG_INDEX 2
|
|
|
650 #define UART_CR3_REG_INDEX 3
|
|
|
651 /**
|
|
|
652 * @}
|
|
|
653 */
|
|
|
654
|
|
|
655 /* Private macros ------------------------------------------------------------*/
|
|
|
656 /** @defgroup UART_Private_Macros UART Private Macros
|
|
|
657 * @{
|
|
|
658 */
|
|
|
659 #define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
|
|
|
660 ((LENGTH) == UART_WORDLENGTH_9B))
|
|
|
661 #define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B))
|
|
|
662 #define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
|
|
|
663 ((STOPBITS) == UART_STOPBITS_2))
|
|
|
664 #define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
|
|
|
665 ((PARITY) == UART_PARITY_EVEN) || \
|
|
|
666 ((PARITY) == UART_PARITY_ODD))
|
|
|
667 #define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
|
|
|
668 (((CONTROL) == UART_HWCONTROL_NONE) || \
|
|
|
669 ((CONTROL) == UART_HWCONTROL_RTS) || \
|
|
|
670 ((CONTROL) == UART_HWCONTROL_CTS) || \
|
|
|
671 ((CONTROL) == UART_HWCONTROL_RTS_CTS))
|
|
|
672 #define IS_UART_MODE(MODE) ((((MODE) & (uint32_t)0x0000FFF3) == 0x00) && ((MODE) != (uint32_t)0x000000))
|
|
|
673 #define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
|
|
|
674 ((STATE) == UART_STATE_ENABLE))
|
|
|
675 #define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
|
|
|
676 ((SAMPLING) == UART_OVERSAMPLING_8))
|
|
|
677 #define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16))
|
|
|
678 #define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
|
|
|
679 ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
|
|
|
680 #define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
|
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681 ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
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682 #define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001)
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683 #define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF)
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684
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685 #define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25)/(4*(_BAUD_)))
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686 #define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100)
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687 #define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
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688 #define UART_BRR_SAMPLING16(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4)|(UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0F))
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689
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690 #define UART_DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25)/(2*(_BAUD_)))
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691 #define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100)
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692 #define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
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693 #define UART_BRR_SAMPLING8(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4)|(UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x0F))
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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 /* Private functions ---------------------------------------------------------*/
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700 /** @defgroup UART_Private_Functions UART Private Functions
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701 * @{
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702 */
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703
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704 /**
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705 * @}
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706 */
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707
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708 /**
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709 * @}
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710 */
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711
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712 /**
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713 * @}
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714 */
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715
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716 #ifdef __cplusplus
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717 }
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718 #endif
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719
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720 #endif /* __STM32F4xx_HAL_UART_H */
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721
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722 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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