annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_usart.h @ 735:39f48356049b

Fixed invalid setpoint (0.0) used after switch from CCR to extra (OC) gas Bugfix from mikeller
author heinrichsweikamp
date Tue, 14 Feb 2023 10:21:56 +0100
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_usart.h
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4 * @author MCD Application Team
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5 * @brief Header file of USART HAL module.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35
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36 /* Define to prevent recursive inclusion -------------------------------------*/
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37 #ifndef __STM32F4xx_HAL_USART_H
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38 #define __STM32F4xx_HAL_USART_H
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39
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40 #ifdef __cplusplus
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41 extern "C" {
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42 #endif
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43
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44 /* Includes ------------------------------------------------------------------*/
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45 #include "stm32f4xx_hal_def.h"
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46
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47 /** @addtogroup STM32F4xx_HAL_Driver
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48 * @{
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49 */
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50
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51 /** @addtogroup USART
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52 * @{
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53 */
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54
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55 /* Exported types ------------------------------------------------------------*/
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56 /** @defgroup USART_Exported_Types USART Exported Types
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57 * @{
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58 */
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59
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60 /**
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61 * @brief USART Init Structure definition
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62 */
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63 typedef struct
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64 {
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65 uint32_t BaudRate; /*!< This member configures the Usart communication baud rate.
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66 The baud rate is computed using the following formula:
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67 - IntegerDivider = ((PCLKx) / (8 * (husart->Init.BaudRate)))
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68 - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */
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69
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70 uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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71 This parameter can be a value of @ref USART_Word_Length */
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72
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73 uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
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74 This parameter can be a value of @ref USART_Stop_Bits */
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75
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76 uint32_t Parity; /*!< Specifies the parity mode.
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77 This parameter can be a value of @ref USART_Parity
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78 @note When parity is enabled, the computed parity is inserted
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79 at the MSB position of the transmitted data (9th bit when
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80 the word length is set to 9 data bits; 8th bit when the
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81 word length is set to 8 data bits). */
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82
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83 uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
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84 This parameter can be a value of @ref USART_Mode */
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85
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86 uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock.
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87 This parameter can be a value of @ref USART_Clock_Polarity */
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88
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89 uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made.
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90 This parameter can be a value of @ref USART_Clock_Phase */
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91
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92 uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted
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93 data bit (MSB) has to be output on the SCLK pin in synchronous mode.
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94 This parameter can be a value of @ref USART_Last_Bit */
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95 }USART_InitTypeDef;
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96
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97 /**
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98 * @brief HAL State structures definition
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99 */
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100 typedef enum
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101 {
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102 HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */
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103 HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */
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104 HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */
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105 HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */
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106 HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
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107 HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */
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108 HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */
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109 HAL_USART_STATE_ERROR = 0x04U /*!< Error */
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110 }HAL_USART_StateTypeDef;
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111
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112 /**
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113 * @brief USART handle Structure definition
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114 */
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115 typedef struct
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116 {
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117 USART_TypeDef *Instance; /* USART registers base address */
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118
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119 USART_InitTypeDef Init; /* Usart communication parameters */
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120
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121 uint8_t *pTxBuffPtr; /* Pointer to Usart Tx transfer Buffer */
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122
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123 uint16_t TxXferSize; /* Usart Tx Transfer size */
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124
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125 __IO uint16_t TxXferCount; /* Usart Tx Transfer Counter */
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126
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127 uint8_t *pRxBuffPtr; /* Pointer to Usart Rx transfer Buffer */
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128
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129 uint16_t RxXferSize; /* Usart Rx Transfer size */
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130
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131 __IO uint16_t RxXferCount; /* Usart Rx Transfer Counter */
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132
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133 DMA_HandleTypeDef *hdmatx; /* Usart Tx DMA Handle parameters */
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134
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135 DMA_HandleTypeDef *hdmarx; /* Usart Rx DMA Handle parameters */
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136
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137 HAL_LockTypeDef Lock; /* Locking object */
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138
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139 __IO HAL_USART_StateTypeDef State; /* Usart communication state */
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140
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141 __IO uint32_t ErrorCode; /* USART Error code */
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142
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143 }USART_HandleTypeDef;
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144 /**
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145 * @}
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146 */
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147
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148 /* Exported constants --------------------------------------------------------*/
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149 /** @defgroup USART_Exported_Constants USART Exported Constants
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150 * @{
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151 */
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152
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153 /** @defgroup USART_Error_Code USART Error Code
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154 * @brief USART Error Code
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155 * @{
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156 */
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157 #define HAL_USART_ERROR_NONE 0x00000000U /*!< No error */
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158 #define HAL_USART_ERROR_PE 0x00000001U /*!< Parity error */
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159 #define HAL_USART_ERROR_NE 0x00000002U /*!< Noise error */
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160 #define HAL_USART_ERROR_FE 0x00000004U /*!< Frame error */
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161 #define HAL_USART_ERROR_ORE 0x00000008U /*!< Overrun error */
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162 #define HAL_USART_ERROR_DMA 0x00000010U /*!< DMA transfer error */
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163 /**
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164 * @}
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165 */
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166
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167 /** @defgroup USART_Word_Length USART Word Length
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168 * @{
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169 */
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170 #define USART_WORDLENGTH_8B 0x00000000U
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171 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
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172 /**
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173 * @}
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174 */
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175
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176 /** @defgroup USART_Stop_Bits USART Number of Stop Bits
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177 * @{
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178 */
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179 #define USART_STOPBITS_1 0x00000000U
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180 #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0)
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181 #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
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182 #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
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183 /**
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184 * @}
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185 */
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186
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187 /** @defgroup USART_Parity USART Parity
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188 * @{
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189 */
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190 #define USART_PARITY_NONE 0x00000000U
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191 #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
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192 #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
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193 /**
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194 * @}
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195 */
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196
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197 /** @defgroup USART_Mode USART Mode
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198 * @{
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199 */
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200 #define USART_MODE_RX ((uint32_t)USART_CR1_RE)
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201 #define USART_MODE_TX ((uint32_t)USART_CR1_TE)
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202 #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
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203 /**
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204 * @}
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205 */
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206
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207 /** @defgroup USART_Clock USART Clock
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208 * @{
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209 */
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210 #define USART_CLOCK_DISABLE 0x00000000U
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211 #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN)
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212 /**
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213 * @}
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214 */
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215
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216 /** @defgroup USART_Clock_Polarity USART Clock Polarity
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217 * @{
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218 */
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219 #define USART_POLARITY_LOW 0x00000000U
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220 #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL)
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221 /**
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222 * @}
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223 */
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224
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225 /** @defgroup USART_Clock_Phase USART Clock Phase
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226 * @{
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227 */
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228 #define USART_PHASE_1EDGE 0x00000000U
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229 #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA)
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230 /**
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231 * @}
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232 */
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233
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234 /** @defgroup USART_Last_Bit USART Last Bit
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235 * @{
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236 */
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237 #define USART_LASTBIT_DISABLE 0x00000000U
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238 #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL)
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239 /**
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240 * @}
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241 */
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242
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243 /** @defgroup USART_NACK_State USART NACK State
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244 * @{
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245 */
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246 #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK)
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247 #define USART_NACK_DISABLE 0x00000000U
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248 /**
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249 * @}
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250 */
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251
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252 /** @defgroup USART_Flags USART Flags
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253 * Elements values convention: 0xXXXX
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254 * - 0xXXXX : Flag mask in the SR register
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255 * @{
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256 */
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257 #define USART_FLAG_TXE 0x00000080U
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258 #define USART_FLAG_TC 0x00000040U
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259 #define USART_FLAG_RXNE 0x00000020U
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260 #define USART_FLAG_IDLE 0x00000010U
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261 #define USART_FLAG_ORE 0x00000008U
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262 #define USART_FLAG_NE 0x00000004U
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263 #define USART_FLAG_FE 0x00000002U
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264 #define USART_FLAG_PE 0x00000001U
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265 /**
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266 * @}
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267 */
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268
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269 /** @defgroup USART_Interrupt_definition USART Interrupts Definition
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270 * Elements values convention: 0xY000XXXX
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271 * - XXXX : Interrupt mask in the XX register
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272 * - Y : Interrupt source register (2bits)
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273 * - 01: CR1 register
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274 * - 10: CR2 register
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275 * - 11: CR3 register
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276 *
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277 * @{
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278 */
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279 #define USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
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280 #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
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281 #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
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282 #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
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283 #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
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284
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285 #define USART_IT_LBD ((uint32_t)(USART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
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286
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287 #define USART_IT_CTS ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
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288 #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
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289 /**
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290 * @}
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291 */
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292
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293 /**
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294 * @}
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295 */
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296
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297 /* Exported macro ------------------------------------------------------------*/
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298 /** @defgroup USART_Exported_Macros USART Exported Macros
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299 * @{
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300 */
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301
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302 /** @brief Reset USART handle state
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303 * @param __HANDLE__ specifies the USART Handle.
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304 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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305 * @retval None
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306 */
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307 #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
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308
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309 /** @brief Checks whether the specified Smartcard flag is set or not.
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310 * @param __HANDLE__ specifies the USART Handle.
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311 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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312 * @param __FLAG__ specifies the flag to check.
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313 * This parameter can be one of the following values:
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314 * @arg USART_FLAG_TXE: Transmit data register empty flag
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315 * @arg USART_FLAG_TC: Transmission Complete flag
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316 * @arg USART_FLAG_RXNE: Receive data register not empty flag
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317 * @arg USART_FLAG_IDLE: Idle Line detection flag
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318 * @arg USART_FLAG_ORE: Overrun Error flag
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319 * @arg USART_FLAG_NE: Noise Error flag
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320 * @arg USART_FLAG_FE: Framing Error flag
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321 * @arg USART_FLAG_PE: Parity Error flag
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322 * @retval The new state of __FLAG__ (TRUE or FALSE).
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323 */
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324 #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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325
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326 /** @brief Clears the specified Smartcard pending flags.
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327 * @param __HANDLE__ specifies the USART Handle.
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328 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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329 * @param __FLAG__ specifies the flag to check.
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330 * This parameter can be any combination of the following values:
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331 * @arg USART_FLAG_TC: Transmission Complete flag.
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332 * @arg USART_FLAG_RXNE: Receive data register not empty flag.
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333 *
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334 * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
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335 * error) and IDLE (Idle line detected) flags are cleared by software
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336 * sequence: a read operation to USART_SR register followed by a read
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337 * operation to USART_DR register.
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338 * @note RXNE flag can be also cleared by a read to the USART_DR register.
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339 * @note TC flag can be also cleared by software sequence: a read operation to
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340 * USART_SR register followed by a write operation to USART_DR register.
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341 * @note TXE flag is cleared only by a write to the USART_DR register.
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342 *
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343 * @retval None
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344 */
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345 #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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346
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347 /** @brief Clear the USART PE pending flag.
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348 * @param __HANDLE__ specifies the USART Handle.
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349 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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350 * @retval None
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351 */
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352 #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \
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353 do{ \
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354 __IO uint32_t tmpreg = 0x00U; \
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355 tmpreg = (__HANDLE__)->Instance->SR; \
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356 tmpreg = (__HANDLE__)->Instance->DR; \
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357 UNUSED(tmpreg); \
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358 } while(0U)
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359
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360 /** @brief Clear the USART FE pending flag.
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361 * @param __HANDLE__ specifies the USART Handle.
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362 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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363 * @retval None
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364 */
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365 #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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366
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367 /** @brief Clear the USART NE pending flag.
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368 * @param __HANDLE__ specifies the USART Handle.
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369 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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370 * @retval None
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371 */
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372 #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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373
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374 /** @brief Clear the UART ORE pending flag.
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375 * @param __HANDLE__ specifies the USART Handle.
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376 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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377 * @retval None
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378 */
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379 #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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380
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381 /** @brief Clear the USART IDLE pending flag.
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382 * @param __HANDLE__ specifies the USART Handle.
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383 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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384 * @retval None
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385 */
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386 #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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387
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388 /** @brief Enables or disables the specified USART interrupts.
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389 * @param __HANDLE__ specifies the USART Handle.
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390 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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391 * @param __INTERRUPT__ specifies the USART interrupt source to check.
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392 * This parameter can be one of the following values:
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393 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
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394 * @arg USART_IT_TC: Transmission complete interrupt
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395 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
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396 * @arg USART_IT_IDLE: Idle line detection interrupt
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397 * @arg USART_IT_PE: Parity Error interrupt
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398 * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
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399 * This parameter can be: ENABLE or DISABLE.
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400 * @retval None
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401 */
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402 #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
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403 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
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404 ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
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405 #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
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406 (((__INTERRUPT__) >> 28U) == 2U)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
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407 ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
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408
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409 /** @brief Checks whether the specified USART interrupt has occurred or not.
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410 * @param __HANDLE__ specifies the USART Handle.
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411 * This parameter can be USARTx where x: 1, 2, 3 or 6 to select the USART peripheral.
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412 * @param __IT__ specifies the USART interrupt source to check.
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413 * This parameter can be one of the following values:
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414 * @arg USART_IT_TXE: Transmit Data Register empty interrupt
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415 * @arg USART_IT_TC: Transmission complete interrupt
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416 * @arg USART_IT_RXNE: Receive Data register not empty interrupt
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417 * @arg USART_IT_IDLE: Idle line detection interrupt
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418 * @arg USART_IT_ERR: Error interrupt
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419 * @arg USART_IT_PE: Parity Error interrupt
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420 * @retval The new state of __IT__ (TRUE or FALSE).
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421 */
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422 #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == 1U)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == 2U)? \
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423 (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
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424
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425 /** @brief Macro to enable the USART's one bit sample method
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426 * @param __HANDLE__ specifies the USART Handle.
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427 * @retval None
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428 */
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429 #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
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430
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431 /** @brief Macro to disable the USART's one bit sample method
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432 * @param __HANDLE__ specifies the USART Handle.
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433 * @retval None
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434 */
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435 #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
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436
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437 /** @brief Enable USART
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438 * @param __HANDLE__ specifies the USART Handle.
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439 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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440 * @retval None
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441 */
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442 #define __HAL_USART_ENABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
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443
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444 /** @brief Disable USART
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445 * @param __HANDLE__ specifies the USART Handle.
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446 * USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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447 * @retval None
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448 */
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449 #define __HAL_USART_DISABLE(__HANDLE__) ( (__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
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450
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451 /**
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452 * @}
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453 */
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454 /* Exported functions --------------------------------------------------------*/
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455 /** @addtogroup USART_Exported_Functions
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456 * @{
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457 */
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458
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459 /** @addtogroup USART_Exported_Functions_Group1
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460 * @{
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461 */
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462 /* Initialization/de-initialization functions **********************************/
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463 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
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464 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
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465 void HAL_USART_MspInit(USART_HandleTypeDef *husart);
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466 void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
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467 /**
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468 * @}
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469 */
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470
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471 /** @addtogroup USART_Exported_Functions_Group2
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472 * @{
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473 */
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474 /* IO operation functions *******************************************************/
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475 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
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476 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
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477 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
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478 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
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479 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
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480 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
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481 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
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482 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
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483 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
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484 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
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485 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
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486 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
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487 /* Transfer Abort functions */
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488 HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
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489 HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
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490
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491 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
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492 void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
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493 void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
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494 void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
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495 void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
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496 void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
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497 void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
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498 void HAL_USART_AbortCpltCallback (USART_HandleTypeDef *husart);
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499 /**
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500 * @}
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501 */
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502
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503 /** @addtogroup USART_Exported_Functions_Group3
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504 * @{
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505 */
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506 /* Peripheral State functions ************************************************/
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507 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
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508 uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
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509 /**
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510 * @}
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511 */
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512
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513 /**
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514 * @}
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515 */
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516 /* Private types -------------------------------------------------------------*/
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517 /* Private variables ---------------------------------------------------------*/
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518 /* Private constants ---------------------------------------------------------*/
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519 /** @defgroup USART_Private_Constants USART Private Constants
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520 * @{
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521 */
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522 /** @brief USART interruptions flag mask
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523 *
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524 */
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525 #define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
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526 USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
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527
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528 #define USART_CR1_REG_INDEX 1U
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529 #define USART_CR2_REG_INDEX 2U
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530 #define USART_CR3_REG_INDEX 3U
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531 /**
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532 * @}
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533 */
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534
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535 /* Private macros ------------------------------------------------------------*/
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536 /** @defgroup USART_Private_Macros USART Private Macros
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537 * @{
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538 */
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539 #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \
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540 ((NACK) == USART_NACK_DISABLE))
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541 #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
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542 ((LASTBIT) == USART_LASTBIT_ENABLE))
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543 #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
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544 #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
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545 #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \
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546 ((CLOCK) == USART_CLOCK_ENABLE))
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547 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
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548 ((LENGTH) == USART_WORDLENGTH_9B))
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549 #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
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550 ((STOPBITS) == USART_STOPBITS_0_5) || \
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551 ((STOPBITS) == USART_STOPBITS_1_5) || \
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552 ((STOPBITS) == USART_STOPBITS_2))
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553 #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
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554 ((PARITY) == USART_PARITY_EVEN) || \
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555 ((PARITY) == USART_PARITY_ODD))
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556 #define IS_USART_MODE(MODE) ((((MODE) & 0xFFF3U) == 0x00U) && ((MODE) != 0x00U))
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557 #define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001U)
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558
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559 #define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))
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560 #define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100U)
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561 #define USART_DIVFRAQ(_PCLK_, _BAUD_) (((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
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562 #define USART_BRR(_PCLK_, _BAUD_) ((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U)|(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
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563 /**
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564 * @}
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565 */
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566
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567 /* Private functions ---------------------------------------------------------*/
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568 /** @defgroup USART_Private_Functions USART Private Functions
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569 * @{
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570 */
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571
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572 /**
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573 * @}
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574 */
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575
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576 /**
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577 * @}
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578 */
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579
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580 /**
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581 * @}
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582 */
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583
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584 #ifdef __cplusplus
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585 }
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586 #endif
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587
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588 #endif /* __STM32F4xx_HAL_USART_H */
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589
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590 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/