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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_usart.h @ 504:8428195a4967
Added worst case plausibility check (disabled by compile switch)
Just used in case of development activities which may cause negativ values resulting in errors / timeout in the deco calculation
author | Ideenmodellierer |
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date | Mon, 24 Aug 2020 19:59:28 +0200 |
parents | c78bcbd5deda |
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rev | line source |
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_usart.h |
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4 * @author MCD Application Team |
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5 * @brief Header file of USART HAL module. |
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6 ****************************************************************************** |
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7 * @attention |
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8 * |
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9 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
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10 * |
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11 * Redistribution and use in source and binary forms, with or without modification, |
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12 * are permitted provided that the following conditions are met: |
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13 * 1. Redistributions of source code must retain the above copyright notice, |
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14 * this list of conditions and the following disclaimer. |
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15 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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16 * this list of conditions and the following disclaimer in the documentation |
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17 * and/or other materials provided with the distribution. |
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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19 * may be used to endorse or promote products derived from this software |
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20 * without specific prior written permission. |
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21 * |
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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32 * |
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33 ****************************************************************************** |
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34 */ |
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35 |
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36 /* Define to prevent recursive inclusion -------------------------------------*/ |
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37 #ifndef __STM32F4xx_HAL_USART_H |
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38 #define __STM32F4xx_HAL_USART_H |
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39 |
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40 #ifdef __cplusplus |
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41 extern "C" { |
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42 #endif |
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43 |
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44 /* Includes ------------------------------------------------------------------*/ |
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45 #include "stm32f4xx_hal_def.h" |
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46 |
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47 /** @addtogroup STM32F4xx_HAL_Driver |
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48 * @{ |
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49 */ |
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50 |
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51 /** @addtogroup USART |
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52 * @{ |
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53 */ |
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54 |
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55 /* Exported types ------------------------------------------------------------*/ |
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56 /** @defgroup USART_Exported_Types USART Exported Types |
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57 * @{ |
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58 */ |
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59 |
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60 /** |
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61 * @brief USART Init Structure definition |
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62 */ |
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63 typedef struct |
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64 { |
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65 uint32_t BaudRate; /*!< This member configures the Usart communication baud rate. |
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66 The baud rate is computed using the following formula: |
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67 - IntegerDivider = ((PCLKx) / (8 * (husart->Init.BaudRate))) |
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68 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */ |
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69 |
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70 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. |
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71 This parameter can be a value of @ref USART_Word_Length */ |
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72 |
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73 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. |
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74 This parameter can be a value of @ref USART_Stop_Bits */ |
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75 |
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76 uint32_t Parity; /*!< Specifies the parity mode. |
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77 This parameter can be a value of @ref USART_Parity |
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78 @note When parity is enabled, the computed parity is inserted |
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79 at the MSB position of the transmitted data (9th bit when |
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80 the word length is set to 9 data bits; 8th bit when the |
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81 word length is set to 8 data bits). */ |
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82 |
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83 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled. |
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84 This parameter can be a value of @ref USART_Mode */ |
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85 |
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86 uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock. |
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87 This parameter can be a value of @ref USART_Clock_Polarity */ |
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88 |
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89 uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made. |
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90 This parameter can be a value of @ref USART_Clock_Phase */ |
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91 |
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92 uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted |
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93 data bit (MSB) has to be output on the SCLK pin in synchronous mode. |
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94 This parameter can be a value of @ref USART_Last_Bit */ |
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95 }USART_InitTypeDef; |
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96 |
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97 /** |
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98 * @brief HAL State structures definition |
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99 */ |
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100 typedef enum |
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101 { |
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102 HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */ |
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103 HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */ |
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104 HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */ |
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105 HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */ |
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106 HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ |
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107 HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */ |
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108 HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */ |
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109 HAL_USART_STATE_ERROR = 0x04U /*!< Error */ |
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110 }HAL_USART_StateTypeDef; |
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111 |
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112 /** |
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113 * @brief USART handle Structure definition |
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114 */ |
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115 typedef struct |
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116 { |
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117 USART_TypeDef *Instance; /* USART registers base address */ |
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118 |
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119 USART_InitTypeDef Init; /* Usart communication parameters */ |
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120 |
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121 uint8_t *pTxBuffPtr; /* Pointer to Usart Tx transfer Buffer */ |
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122 |
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123 uint16_t TxXferSize; /* Usart Tx Transfer size */ |
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124 |
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125 __IO uint16_t TxXferCount; /* Usart Tx Transfer Counter */ |
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126 |
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127 uint8_t *pRxBuffPtr; /* Pointer to Usart Rx transfer Buffer */ |
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128 |
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129 uint16_t RxXferSize; /* Usart Rx Transfer size */ |
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130 |
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131 __IO uint16_t RxXferCount; /* Usart Rx Transfer Counter */ |
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132 |
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133 DMA_HandleTypeDef *hdmatx; /* Usart Tx DMA Handle parameters */ |
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134 |
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135 DMA_HandleTypeDef *hdmarx; /* Usart Rx DMA Handle parameters */ |
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136 |
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137 HAL_LockTypeDef Lock; /* Locking object */ |
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138 |
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139 __IO HAL_USART_StateTypeDef State; /* Usart communication state */ |
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140 |
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141 __IO uint32_t ErrorCode; /* USART Error code */ |
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142 |
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143 }USART_HandleTypeDef; |
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144 /** |
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145 * @} |
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146 */ |
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147 |
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148 /* Exported constants --------------------------------------------------------*/ |
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149 /** @defgroup USART_Exported_Constants USART Exported Constants |
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150 * @{ |
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151 */ |
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152 |
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153 /** @defgroup USART_Error_Code USART Error Code |
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154 * @brief USART Error Code |
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155 * @{ |
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156 */ |
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157 #define HAL_USART_ERROR_NONE 0x00000000U /*!< No error */ |
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158 #define HAL_USART_ERROR_PE 0x00000001U /*!< Parity error */ |
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159 #define HAL_USART_ERROR_NE 0x00000002U /*!< Noise error */ |
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160 #define HAL_USART_ERROR_FE 0x00000004U /*!< Frame error */ |
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161 #define HAL_USART_ERROR_ORE 0x00000008U /*!< Overrun error */ |
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162 #define HAL_USART_ERROR_DMA 0x00000010U /*!< DMA transfer error */ |
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163 /** |
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164 * @} |
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165 */ |
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166 |
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167 /** @defgroup USART_Word_Length USART Word Length |
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168 * @{ |
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169 */ |
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170 #define USART_WORDLENGTH_8B 0x00000000U |
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171 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) |
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172 /** |
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173 * @} |
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174 */ |
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175 |
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176 /** @defgroup USART_Stop_Bits USART Number of Stop Bits |
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177 * @{ |
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178 */ |
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179 #define USART_STOPBITS_1 0x00000000U |
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180 #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0) |
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181 #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) |
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182 #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1)) |
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183 /** |
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184 * @} |
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185 */ |
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186 |
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187 /** @defgroup USART_Parity USART Parity |
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188 * @{ |
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189 */ |
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190 #define USART_PARITY_NONE 0x00000000U |
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191 #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE) |
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192 #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) |
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193 /** |
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194 * @} |
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195 */ |
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196 |
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197 /** @defgroup USART_Mode USART Mode |
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198 * @{ |
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199 */ |
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200 #define USART_MODE_RX ((uint32_t)USART_CR1_RE) |
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201 #define USART_MODE_TX ((uint32_t)USART_CR1_TE) |
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202 #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE)) |
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203 /** |
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204 * @} |
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205 */ |
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206 |
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207 /** @defgroup USART_Clock USART Clock |
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208 * @{ |
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209 */ |
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210 #define USART_CLOCK_DISABLE 0x00000000U |
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211 #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN) |
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212 /** |
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213 * @} |
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214 */ |
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215 |
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216 /** @defgroup USART_Clock_Polarity USART Clock Polarity |
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217 * @{ |
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218 */ |
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219 #define USART_POLARITY_LOW 0x00000000U |
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220 #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL) |
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221 /** |
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222 * @} |
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223 */ |
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224 |
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225 /** @defgroup USART_Clock_Phase USART Clock Phase |
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226 * @{ |
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227 */ |
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228 #define USART_PHASE_1EDGE 0x00000000U |
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229 #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA) |
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230 /** |
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231 * @} |
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232 */ |
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233 |
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234 /** @defgroup USART_Last_Bit USART Last Bit |
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235 * @{ |
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236 */ |
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237 #define USART_LASTBIT_DISABLE 0x00000000U |
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238 #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL) |
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239 /** |
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240 * @} |
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241 */ |
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242 |
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243 /** @defgroup USART_NACK_State USART NACK State |
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244 * @{ |
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245 */ |
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246 #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK) |
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247 #define USART_NACK_DISABLE 0x00000000U |
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248 /** |
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249 * @} |
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250 */ |
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251 |
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252 /** @defgroup USART_Flags USART Flags |
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253 * Elements values convention: 0xXXXX |
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254 * - 0xXXXX : Flag mask in the SR register |
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255 * @{ |
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256 */ |
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257 #define USART_FLAG_TXE 0x00000080U |
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258 #define USART_FLAG_TC 0x00000040U |
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259 #define USART_FLAG_RXNE 0x00000020U |
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260 #define USART_FLAG_IDLE 0x00000010U |
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261 #define USART_FLAG_ORE 0x00000008U |
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262 #define USART_FLAG_NE 0x00000004U |
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263 #define USART_FLAG_FE 0x00000002U |
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264 #define USART_FLAG_PE 0x00000001U |
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265 /** |
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266 * @} |
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267 */ |
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268 |
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269 /** @defgroup USART_Interrupt_definition USART Interrupts Definition |
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270 * Elements values convention: 0xY000XXXX |
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271 * - XXXX : Interrupt mask in the XX register |
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272 * - Y : Interrupt source register (2bits) |
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273 * - 01: CR1 register |
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274 * - 10: CR2 register |
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275 * - 11: CR3 register |
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276 * |
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277 * @{ |
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278 */ |
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279 #define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE)) |
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280 #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE)) |
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281 #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE)) |
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282 #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE)) |
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283 #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE)) |
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284 |
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285 #define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE)) |
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286 |
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287 #define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE)) |
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288 #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE)) |
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289 /** |
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290 * @} |
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291 */ |
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292 |
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293 /** |
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294 * @} |
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295 */ |
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296 |
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297 /* Exported macro ------------------------------------------------------------*/ |
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298 /** @defgroup USART_Exported_Macros USART Exported Macros |
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299 * @{ |
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300 */ |
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301 |
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302 /** @brief Reset USART handle state |
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303 * @param __HANDLE__ specifies the USART Handle. |
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304 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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305 * @retval None |
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306 */ |
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307 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET) |
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308 |
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309 /** @brief Checks whether the specified Smartcard flag is set or not. |
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310 * @param __HANDLE__ specifies the USART Handle. |
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311 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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312 * @param __FLAG__ specifies the flag to check. |
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313 * This parameter can be one of the following values: |
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314 * @arg USART_FLAG_TXE: Transmit data register empty flag |
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315 * @arg USART_FLAG_TC: Transmission Complete flag |
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316 * @arg USART_FLAG_RXNE: Receive data register not empty flag |
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317 * @arg USART_FLAG_IDLE: Idle Line detection flag |
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318 * @arg USART_FLAG_ORE: Overrun Error flag |
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319 * @arg USART_FLAG_NE: Noise Error flag |
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320 * @arg USART_FLAG_FE: Framing Error flag |
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321 * @arg USART_FLAG_PE: Parity Error flag |
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322 * @retval The new state of __FLAG__ (TRUE or FALSE). |
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323 */ |
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324 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__)) |
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325 |
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326 /** @brief Clears the specified Smartcard pending flags. |
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327 * @param __HANDLE__ specifies the USART Handle. |
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328 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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329 * @param __FLAG__ specifies the flag to check. |
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330 * This parameter can be any combination of the following values: |
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331 * @arg USART_FLAG_TC: Transmission Complete flag. |
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332 * @arg USART_FLAG_RXNE: Receive data register not empty flag. |
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333 * |
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334 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun |
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335 * error) and IDLE (Idle line detected) flags are cleared by software |
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336 * sequence: a read operation to USART_SR register followed by a read |
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337 * operation to USART_DR register. |
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338 * @note RXNE flag can be also cleared by a read to the USART_DR register. |
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339 * @note TC flag can be also cleared by software sequence: a read operation to |
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340 * USART_SR register followed by a write operation to USART_DR register. |
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341 * @note TXE flag is cleared only by a write to the USART_DR register. |
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342 * |
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343 * @retval None |
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344 */ |
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345 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__)) |
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346 |
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347 /** @brief Clear the USART PE pending flag. |
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348 * @param __HANDLE__ specifies the USART Handle. |
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349 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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350 * @retval None |
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351 */ |
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352 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \ |
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353 do{ \ |
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354 __IO uint32_t tmpreg = 0x00U; \ |
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355 tmpreg = (__HANDLE__)->Instance->SR; \ |
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356 tmpreg = (__HANDLE__)->Instance->DR; \ |
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357 UNUSED(tmpreg); \ |
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358 } while(0U) |
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359 |
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360 /** @brief Clear the USART FE pending flag. |
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361 * @param __HANDLE__ specifies the USART Handle. |
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362 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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363 * @retval None |
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364 */ |
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365 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
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366 |
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367 /** @brief Clear the USART NE pending flag. |
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368 * @param __HANDLE__ specifies the USART Handle. |
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369 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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370 * @retval None |
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371 */ |
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372 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
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373 |
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374 /** @brief Clear the UART ORE pending flag. |
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375 * @param __HANDLE__ specifies the USART Handle. |
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376 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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377 * @retval None |
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378 */ |
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379 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
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380 |
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381 /** @brief Clear the USART IDLE pending flag. |
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382 * @param __HANDLE__ specifies the USART Handle. |
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383 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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384 * @retval None |
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385 */ |
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386 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
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387 |
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388 /** @brief Enables or disables the specified USART interrupts. |
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389 * @param __HANDLE__ specifies the USART Handle. |
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390 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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391 * @param __INTERRUPT__ specifies the USART interrupt source to check. |
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392 * This parameter can be one of the following values: |
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393 * @arg USART_IT_TXE: Transmit Data Register empty interrupt |
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394 * @arg USART_IT_TC: Transmission complete interrupt |
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395 * @arg USART_IT_RXNE: Receive Data register not empty interrupt |
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396 * @arg USART_IT_IDLE: Idle line detection interrupt |
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397 * @arg USART_IT_PE: Parity Error interrupt |
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398 * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error) |
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399 * This parameter can be: ENABLE or DISABLE. |
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400 * @retval None |
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401 */ |
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402 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \ |
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403 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \ |
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404 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK))) |
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405 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \ |
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406 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \ |
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407 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK))) |
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408 |
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409 /** @brief Checks whether the specified USART interrupt has occurred or not. |
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410 * @param __HANDLE__ specifies the USART Handle. |
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411 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral. |
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412 * @param __IT__ specifies the USART interrupt source to check. |
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413 * This parameter can be one of the following values: |
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414 * @arg USART_IT_TXE: Transmit Data Register empty interrupt |
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415 * @arg USART_IT_TC: Transmission complete interrupt |
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416 * @arg USART_IT_RXNE: Receive Data register not empty interrupt |
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417 * @arg USART_IT_IDLE: Idle line detection interrupt |
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418 * @arg USART_IT_ERR: Error interrupt |
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419 * @arg USART_IT_PE: Parity Error interrupt |
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420 * @retval The new state of __IT__ (TRUE or FALSE). |
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421 */ |
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422 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == 1U)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == 2U)? \ |
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423 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK)) |
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424 |
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425 /** @brief Macro to enable the USART's one bit sample method |
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426 * @param __HANDLE__ specifies the USART Handle. |
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427 * @retval None |
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428 */ |
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429 #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT) |
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430 |
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431 /** @brief Macro to disable the USART's one bit sample method |
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432 * @param __HANDLE__ specifies the USART Handle. |
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433 * @retval None |
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434 */ |
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435 #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT)) |
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436 |
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437 /** @brief Enable USART |
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438 * @param __HANDLE__ specifies the USART Handle. |
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439 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
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440 * @retval None |
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441 */ |
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442 #define __HAL_USART_ENABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 |= USART_CR1_UE) |
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443 |
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444 /** @brief Disable USART |
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445 * @param __HANDLE__ specifies the USART Handle. |
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446 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
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447 * @retval None |
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448 */ |
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449 #define __HAL_USART_DISABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) |
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450 |
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451 /** |
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452 * @} |
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453 */ |
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454 /* Exported functions --------------------------------------------------------*/ |
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455 /** @addtogroup USART_Exported_Functions |
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456 * @{ |
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457 */ |
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458 |
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459 /** @addtogroup USART_Exported_Functions_Group1 |
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460 * @{ |
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461 */ |
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462 /* Initialization/de-initialization functions **********************************/ |
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463 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart); |
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464 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart); |
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465 void HAL_USART_MspInit(USART_HandleTypeDef *husart); |
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466 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart); |
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467 /** |
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468 * @} |
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469 */ |
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470 |
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471 /** @addtogroup USART_Exported_Functions_Group2 |
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472 * @{ |
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473 */ |
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474 /* IO operation functions *******************************************************/ |
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475 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout); |
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476 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); |
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477 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); |
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478 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size); |
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479 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); |
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480 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size); |
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481 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size); |
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482 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); |
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483 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size); |
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484 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart); |
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485 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart); |
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486 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart); |
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487 /* Transfer Abort functions */ |
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488 HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart); |
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489 HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart); |
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490 |
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491 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart); |
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492 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart); |
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493 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart); |
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494 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart); |
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495 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart); |
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496 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart); |
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497 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart); |
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498 void HAL_USART_AbortCpltCallback (USART_HandleTypeDef *husart); |
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499 /** |
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500 * @} |
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501 */ |
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502 |
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503 /** @addtogroup USART_Exported_Functions_Group3 |
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504 * @{ |
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505 */ |
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506 /* Peripheral State functions ************************************************/ |
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507 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart); |
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508 uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart); |
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509 /** |
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510 * @} |
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511 */ |
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512 |
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513 /** |
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514 * @} |
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515 */ |
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516 /* Private types -------------------------------------------------------------*/ |
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517 /* Private variables ---------------------------------------------------------*/ |
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518 /* Private constants ---------------------------------------------------------*/ |
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519 /** @defgroup USART_Private_Constants USART Private Constants |
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520 * @{ |
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521 */ |
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522 /** @brief USART interruptions flag mask |
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523 * |
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524 */ |
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525 #define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \ |
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526 USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE ) |
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527 |
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528 #define USART_CR1_REG_INDEX 1U |
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529 #define USART_CR2_REG_INDEX 2U |
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530 #define USART_CR3_REG_INDEX 3U |
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531 /** |
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532 * @} |
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533 */ |
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534 |
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535 /* Private macros ------------------------------------------------------------*/ |
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536 /** @defgroup USART_Private_Macros USART Private Macros |
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537 * @{ |
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538 */ |
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539 #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \ |
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540 ((NACK) == USART_NACK_DISABLE)) |
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541 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \ |
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542 ((LASTBIT) == USART_LASTBIT_ENABLE)) |
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543 #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE)) |
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544 #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH)) |
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545 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \ |
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546 ((CLOCK) == USART_CLOCK_ENABLE)) |
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547 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \ |
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548 ((LENGTH) == USART_WORDLENGTH_9B)) |
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549 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \ |
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550 ((STOPBITS) == USART_STOPBITS_0_5) || \ |
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551 ((STOPBITS) == USART_STOPBITS_1_5) || \ |
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552 ((STOPBITS) == USART_STOPBITS_2)) |
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553 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \ |
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554 ((PARITY) == USART_PARITY_EVEN) || \ |
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555 ((PARITY) == USART_PARITY_ODD)) |
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556 #define IS_USART_MODE(MODE) ((((MODE) & 0xFFF3U) == 0x00U) && ((MODE) != 0x00U)) |
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557 #define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001U) |
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558 |
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559 #define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_))) |
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560 #define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100U) |
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561 #define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U) |
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562 #define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU)) |
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563 /** |
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564 * @} |
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565 */ |
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566 |
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567 /* Private functions ---------------------------------------------------------*/ |
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568 /** @defgroup USART_Private_Functions USART Private Functions |
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569 * @{ |
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570 */ |
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571 |
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572 /** |
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573 * @} |
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574 */ |
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575 |
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576 /** |
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577 * @} |
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578 */ |
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579 |
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580 /** |
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581 * @} |
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582 */ |
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583 |
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584 #ifdef __cplusplus |
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585 } |
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586 #endif |
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587 |
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588 #endif /* __STM32F4xx_HAL_USART_H */ |
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589 |
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590 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |