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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usart.c @ 733:7b0e020513e3

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Optical sensor as default: The optical sensor is now set as default configuration ensuring that the external interface is switched off per default. Otherwise power would be consumed e.g. by the ADC even no sensors are connectet because OSTC is used for OC dives only.
author Ideenmodellierer
date Sun, 15 Jan 2023 21:48:34 +0100
parents c78bcbd5deda
children
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128
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_ll_usart.c
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4 * @author MCD Application Team
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5 * @brief USART LL module driver.
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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 #if defined(USE_FULL_LL_DRIVER)
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36
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37 /* Includes ------------------------------------------------------------------*/
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38 #include "stm32f4xx_ll_usart.h"
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39 #include "stm32f4xx_ll_rcc.h"
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40 #include "stm32f4xx_ll_bus.h"
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41 #ifdef USE_FULL_ASSERT
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42 #include "stm32_assert.h"
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43 #else
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44 #define assert_param(expr) ((void)0U)
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45 #endif
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46
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47 /** @addtogroup STM32F4xx_LL_Driver
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48 * @{
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49 */
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50
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51 #if defined (USART1) || defined (USART2) || defined (USART3) || defined (USART6) || defined (UART4) || defined (UART5) || defined (UART7) || defined (UART8) || defined (UART9) || defined (UART10)
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52
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53 /** @addtogroup USART_LL
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54 * @{
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55 */
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56
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57 /* Private types -------------------------------------------------------------*/
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58 /* Private variables ---------------------------------------------------------*/
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59 /* Private constants ---------------------------------------------------------*/
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60 /** @addtogroup USART_LL_Private_Constants
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61 * @{
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62 */
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63
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64 /**
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65 * @}
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66 */
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67
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68
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69 /* Private macros ------------------------------------------------------------*/
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70 /** @addtogroup USART_LL_Private_Macros
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71 * @{
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72 */
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73
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74 /* __BAUDRATE__ The maximum Baud Rate is derived from the maximum clock available
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75 * divided by the smallest oversampling used on the USART (i.e. 8) */
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76 #define IS_LL_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 12500000U)
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77
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78 /* __VALUE__ In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d. */
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79 #define IS_LL_USART_BRR_MIN(__VALUE__) ((__VALUE__) >= 16U)
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80
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81 /* __VALUE__ BRR content must be lower than or equal to 0xFFFF. */
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82 #define IS_LL_USART_BRR_MAX(__VALUE__) ((__VALUE__) <= 0x0000FFFFU)
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83
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84 #define IS_LL_USART_DIRECTION(__VALUE__) (((__VALUE__) == LL_USART_DIRECTION_NONE) \
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85 || ((__VALUE__) == LL_USART_DIRECTION_RX) \
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86 || ((__VALUE__) == LL_USART_DIRECTION_TX) \
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87 || ((__VALUE__) == LL_USART_DIRECTION_TX_RX))
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88
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89 #define IS_LL_USART_PARITY(__VALUE__) (((__VALUE__) == LL_USART_PARITY_NONE) \
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90 || ((__VALUE__) == LL_USART_PARITY_EVEN) \
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91 || ((__VALUE__) == LL_USART_PARITY_ODD))
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92
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93 #define IS_LL_USART_DATAWIDTH(__VALUE__) (((__VALUE__) == LL_USART_DATAWIDTH_8B) \
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94 || ((__VALUE__) == LL_USART_DATAWIDTH_9B))
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95
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96 #define IS_LL_USART_OVERSAMPLING(__VALUE__) (((__VALUE__) == LL_USART_OVERSAMPLING_16) \
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97 || ((__VALUE__) == LL_USART_OVERSAMPLING_8))
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98
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99 #define IS_LL_USART_LASTBITCLKOUTPUT(__VALUE__) (((__VALUE__) == LL_USART_LASTCLKPULSE_NO_OUTPUT) \
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100 || ((__VALUE__) == LL_USART_LASTCLKPULSE_OUTPUT))
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101
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102 #define IS_LL_USART_CLOCKPHASE(__VALUE__) (((__VALUE__) == LL_USART_PHASE_1EDGE) \
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103 || ((__VALUE__) == LL_USART_PHASE_2EDGE))
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104
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105 #define IS_LL_USART_CLOCKPOLARITY(__VALUE__) (((__VALUE__) == LL_USART_POLARITY_LOW) \
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106 || ((__VALUE__) == LL_USART_POLARITY_HIGH))
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107
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108 #define IS_LL_USART_CLOCKOUTPUT(__VALUE__) (((__VALUE__) == LL_USART_CLOCK_DISABLE) \
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109 || ((__VALUE__) == LL_USART_CLOCK_ENABLE))
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110
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111 #define IS_LL_USART_STOPBITS(__VALUE__) (((__VALUE__) == LL_USART_STOPBITS_0_5) \
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112 || ((__VALUE__) == LL_USART_STOPBITS_1) \
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113 || ((__VALUE__) == LL_USART_STOPBITS_1_5) \
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114 || ((__VALUE__) == LL_USART_STOPBITS_2))
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115
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116 #define IS_LL_USART_HWCONTROL(__VALUE__) (((__VALUE__) == LL_USART_HWCONTROL_NONE) \
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117 || ((__VALUE__) == LL_USART_HWCONTROL_RTS) \
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118 || ((__VALUE__) == LL_USART_HWCONTROL_CTS) \
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119 || ((__VALUE__) == LL_USART_HWCONTROL_RTS_CTS))
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120
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121 /**
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122 * @}
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123 */
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124
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125 /* Private function prototypes -----------------------------------------------*/
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126
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127 /* Exported functions --------------------------------------------------------*/
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128 /** @addtogroup USART_LL_Exported_Functions
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129 * @{
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130 */
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131
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132 /** @addtogroup USART_LL_EF_Init
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133 * @{
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134 */
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135
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136 /**
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137 * @brief De-initialize USART registers (Registers restored to their default values).
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138 * @param USARTx USART Instance
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139 * @retval An ErrorStatus enumeration value:
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140 * - SUCCESS: USART registers are de-initialized
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141 * - ERROR: USART registers are not de-initialized
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142 */
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143 ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx)
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144 {
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145 ErrorStatus status = SUCCESS;
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146
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147 /* Check the parameters */
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148 assert_param(IS_UART_INSTANCE(USARTx));
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149
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150 if (USARTx == USART1)
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151 {
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152 /* Force reset of USART clock */
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153 LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_USART1);
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154
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155 /* Release reset of USART clock */
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156 LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_USART1);
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157 }
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158 else if (USARTx == USART2)
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159 {
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160 /* Force reset of USART clock */
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161 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_USART2);
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162
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163 /* Release reset of USART clock */
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164 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_USART2);
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165 }
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166 #if defined(USART3)
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167 else if (USARTx == USART3)
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168 {
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169 /* Force reset of USART clock */
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170 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_USART3);
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171
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172 /* Release reset of USART clock */
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173 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_USART3);
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174 }
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175 #endif /* USART3 */
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176 #if defined(USART6)
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177 else if (USARTx == USART6)
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178 {
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179 /* Force reset of USART clock */
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180 LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_USART6);
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181
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182 /* Release reset of USART clock */
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183 LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_USART6);
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184 }
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185 #endif /* USART6 */
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186 #if defined(UART4)
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187 else if (USARTx == UART4)
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188 {
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189 /* Force reset of UART clock */
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190 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_UART4);
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191
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192 /* Release reset of UART clock */
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193 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_UART4);
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194 }
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195 #endif /* UART4 */
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196 #if defined(UART5)
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197 else if (USARTx == UART5)
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198 {
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199 /* Force reset of UART clock */
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200 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_UART5);
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201
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202 /* Release reset of UART clock */
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203 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_UART5);
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204 }
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205 #endif /* UART5 */
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206 #if defined(UART7)
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207 else if (USARTx == UART7)
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208 {
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209 /* Force reset of UART clock */
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210 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_UART7);
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211
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212 /* Release reset of UART clock */
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213 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_UART7);
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214 }
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215 #endif /* UART7 */
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216 #if defined(UART8)
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217 else if (USARTx == UART8)
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218 {
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219 /* Force reset of UART clock */
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220 LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_UART8);
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221
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222 /* Release reset of UART clock */
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223 LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_UART8);
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224 }
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225 #endif /* UART8 */
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226 #if defined(UART9)
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227 else if (USARTx == UART9)
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228 {
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229 /* Force reset of UART clock */
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230 LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_UART9);
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231
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232 /* Release reset of UART clock */
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233 LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_UART9);
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234 }
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235 #endif /* UART9 */
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236 #if defined(UART10)
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237 else if (USARTx == UART10)
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238 {
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239 /* Force reset of UART clock */
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240 LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_UART10);
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241
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242 /* Release reset of UART clock */
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243 LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_UART10);
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244 }
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245 #endif /* UART10 */
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246 else
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247 {
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248 status = ERROR;
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249 }
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250
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251 return (status);
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252 }
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253
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254 /**
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255 * @brief Initialize USART registers according to the specified
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256 * parameters in USART_InitStruct.
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257 * @note As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
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258 * USART IP should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
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259 * @note Baud rate value stored in USART_InitStruct BaudRate field, should be valid (different from 0).
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260 * @param USARTx USART Instance
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261 * @param USART_InitStruct pointer to a LL_USART_InitTypeDef structure
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262 * that contains the configuration information for the specified USART peripheral.
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263 * @retval An ErrorStatus enumeration value:
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264 * - SUCCESS: USART registers are initialized according to USART_InitStruct content
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265 * - ERROR: Problem occurred during USART Registers initialization
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266 */
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267 ErrorStatus LL_USART_Init(USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_InitStruct)
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268 {
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269 ErrorStatus status = ERROR;
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270 uint32_t periphclk = LL_RCC_PERIPH_FREQUENCY_NO;
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271 LL_RCC_ClocksTypeDef rcc_clocks;
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272
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273 /* Check the parameters */
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274 assert_param(IS_UART_INSTANCE(USARTx));
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275 assert_param(IS_LL_USART_BAUDRATE(USART_InitStruct->BaudRate));
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276 assert_param(IS_LL_USART_DATAWIDTH(USART_InitStruct->DataWidth));
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277 assert_param(IS_LL_USART_STOPBITS(USART_InitStruct->StopBits));
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278 assert_param(IS_LL_USART_PARITY(USART_InitStruct->Parity));
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279 assert_param(IS_LL_USART_DIRECTION(USART_InitStruct->TransferDirection));
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280 assert_param(IS_LL_USART_HWCONTROL(USART_InitStruct->HardwareFlowControl));
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281 assert_param(IS_LL_USART_OVERSAMPLING(USART_InitStruct->OverSampling));
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282
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283 /* USART needs to be in disabled state, in order to be able to configure some bits in
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284 CRx registers */
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285 if (LL_USART_IsEnabled(USARTx) == 0U)
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286 {
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287 /*---------------------------- USART CR1 Configuration -----------------------
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288 * Configure USARTx CR1 (USART Word Length, Parity, Mode and Oversampling bits) with parameters:
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289 * - DataWidth: USART_CR1_M bits according to USART_InitStruct->DataWidth value
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290 * - Parity: USART_CR1_PCE, USART_CR1_PS bits according to USART_InitStruct->Parity value
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291 * - TransferDirection: USART_CR1_TE, USART_CR1_RE bits according to USART_InitStruct->TransferDirection value
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292 * - Oversampling: USART_CR1_OVER8 bit according to USART_InitStruct->OverSampling value.
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293 */
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294 MODIFY_REG(USARTx->CR1,
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295 (USART_CR1_M | USART_CR1_PCE | USART_CR1_PS |
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296 USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8),
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297 (USART_InitStruct->DataWidth | USART_InitStruct->Parity |
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298 USART_InitStruct->TransferDirection | USART_InitStruct->OverSampling));
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299
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300 /*---------------------------- USART CR2 Configuration -----------------------
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301 * Configure USARTx CR2 (Stop bits) with parameters:
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302 * - Stop Bits: USART_CR2_STOP bits according to USART_InitStruct->StopBits value.
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303 * - CLKEN, CPOL, CPHA and LBCL bits are to be configured using LL_USART_ClockInit().
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304 */
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305 LL_USART_SetStopBitsLength(USARTx, USART_InitStruct->StopBits);
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306
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307 /*---------------------------- USART CR3 Configuration -----------------------
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308 * Configure USARTx CR3 (Hardware Flow Control) with parameters:
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309 * - HardwareFlowControl: USART_CR3_RTSE, USART_CR3_CTSE bits according to USART_InitStruct->HardwareFlowControl value.
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310 */
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311 LL_USART_SetHWFlowCtrl(USARTx, USART_InitStruct->HardwareFlowControl);
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312
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313 /*---------------------------- USART BRR Configuration -----------------------
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314 * Retrieve Clock frequency used for USART Peripheral
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315 */
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316 LL_RCC_GetSystemClocksFreq(&rcc_clocks);
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317 if (USARTx == USART1)
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318 {
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319 periphclk = rcc_clocks.PCLK2_Frequency;
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320 }
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321 else if (USARTx == USART2)
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322 {
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323 periphclk = rcc_clocks.PCLK1_Frequency;
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324 }
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325 #if defined(USART3)
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326 else if (USARTx == USART3)
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327 {
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328 periphclk = rcc_clocks.PCLK1_Frequency;
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329 }
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330 #endif /* USART3 */
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331 #if defined(USART6)
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332 else if (USARTx == USART6)
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333 {
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334 periphclk = rcc_clocks.PCLK2_Frequency;
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335 }
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336 #endif /* USART6 */
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337 #if defined(UART4)
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338 else if (USARTx == UART4)
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339 {
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340 periphclk = rcc_clocks.PCLK1_Frequency;
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341 }
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342 #endif /* UART4 */
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343 #if defined(UART5)
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344 else if (USARTx == UART5)
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345 {
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346 periphclk = rcc_clocks.PCLK1_Frequency;
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347 }
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348 #endif /* UART5 */
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349 #if defined(UART7)
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350 else if (USARTx == UART7)
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351 {
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352 periphclk = rcc_clocks.PCLK1_Frequency;
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353 }
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354 #endif /* UART7 */
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355 #if defined(UART8)
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356 else if (USARTx == UART8)
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357 {
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358 periphclk = rcc_clocks.PCLK1_Frequency;
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359 }
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360 #endif /* UART8 */
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361 #if defined(UART9)
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362 else if (USARTx == UART9)
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363 {
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364 periphclk = rcc_clocks.PCLK1_Frequency;
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365 }
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366 #endif /* UART9 */
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367 #if defined(UART10)
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368 else if (USARTx == UART10)
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369 {
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370 periphclk = rcc_clocks.PCLK1_Frequency;
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371 }
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372 #endif /* UART10 */
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373 else
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374 {
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375 /* Nothing to do, as error code is already assigned to ERROR value */
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376 }
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377
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378 /* Configure the USART Baud Rate :
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379 - valid baud rate value (different from 0) is required
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380 - Peripheral clock as returned by RCC service, should be valid (different from 0).
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381 */
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382 if ((periphclk != LL_RCC_PERIPH_FREQUENCY_NO)
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383 && (USART_InitStruct->BaudRate != 0U))
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384 {
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385 status = SUCCESS;
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386 LL_USART_SetBaudRate(USARTx,
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387 periphclk,
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388 USART_InitStruct->OverSampling,
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389 USART_InitStruct->BaudRate);
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390
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391 /* Check BRR is greater than or equal to 16d */
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392 assert_param(IS_LL_USART_BRR_MIN(USARTx->BRR));
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393
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394 /* Check BRR is greater than or equal to 16d */
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395 assert_param(IS_LL_USART_BRR_MAX(USARTx->BRR));
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396 }
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397 }
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398 /* Endif (=> USART not in Disabled state => return ERROR) */
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399
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400 return (status);
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401 }
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402
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403 /**
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404 * @brief Set each @ref LL_USART_InitTypeDef field to default value.
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405 * @param USART_InitStruct pointer to a @ref LL_USART_InitTypeDef structure
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406 * whose fields will be set to default values.
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407 * @retval None
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408 */
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409
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410 void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct)
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411 {
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412 /* Set USART_InitStruct fields to default values */
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413 USART_InitStruct->BaudRate = 9600U;
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414 USART_InitStruct->DataWidth = LL_USART_DATAWIDTH_8B;
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415 USART_InitStruct->StopBits = LL_USART_STOPBITS_1;
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416 USART_InitStruct->Parity = LL_USART_PARITY_NONE ;
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417 USART_InitStruct->TransferDirection = LL_USART_DIRECTION_TX_RX;
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418 USART_InitStruct->HardwareFlowControl = LL_USART_HWCONTROL_NONE;
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419 USART_InitStruct->OverSampling = LL_USART_OVERSAMPLING_16;
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420 }
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421
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422 /**
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423 * @brief Initialize USART Clock related settings according to the
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424 * specified parameters in the USART_ClockInitStruct.
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425 * @note As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
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426 * USART IP should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
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427 * @param USARTx USART Instance
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428 * @param USART_ClockInitStruct pointer to a @ref LL_USART_ClockInitTypeDef structure
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429 * that contains the Clock configuration information for the specified USART peripheral.
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430 * @retval An ErrorStatus enumeration value:
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431 * - SUCCESS: USART registers related to Clock settings are initialized according to USART_ClockInitStruct content
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432 * - ERROR: Problem occurred during USART Registers initialization
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433 */
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434 ErrorStatus LL_USART_ClockInit(USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct)
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435 {
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436 ErrorStatus status = SUCCESS;
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437
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438 /* Check USART Instance and Clock signal output parameters */
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439 assert_param(IS_UART_INSTANCE(USARTx));
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440 assert_param(IS_LL_USART_CLOCKOUTPUT(USART_ClockInitStruct->ClockOutput));
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441
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442 /* USART needs to be in disabled state, in order to be able to configure some bits in
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443 CRx registers */
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444 if (LL_USART_IsEnabled(USARTx) == 0U)
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445 {
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446 /*---------------------------- USART CR2 Configuration -----------------------*/
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447 /* If Clock signal has to be output */
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448 if (USART_ClockInitStruct->ClockOutput == LL_USART_CLOCK_DISABLE)
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449 {
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450 /* Deactivate Clock signal delivery :
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451 * - Disable Clock Output: USART_CR2_CLKEN cleared
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452 */
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453 LL_USART_DisableSCLKOutput(USARTx);
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454 }
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455 else
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456 {
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457 /* Ensure USART instance is USART capable */
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458 assert_param(IS_USART_INSTANCE(USARTx));
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459
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460 /* Check clock related parameters */
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461 assert_param(IS_LL_USART_CLOCKPOLARITY(USART_ClockInitStruct->ClockPolarity));
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462 assert_param(IS_LL_USART_CLOCKPHASE(USART_ClockInitStruct->ClockPhase));
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463 assert_param(IS_LL_USART_LASTBITCLKOUTPUT(USART_ClockInitStruct->LastBitClockPulse));
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464
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465 /*---------------------------- USART CR2 Configuration -----------------------
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466 * Configure USARTx CR2 (Clock signal related bits) with parameters:
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467 * - Enable Clock Output: USART_CR2_CLKEN set
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468 * - Clock Polarity: USART_CR2_CPOL bit according to USART_ClockInitStruct->ClockPolarity value
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469 * - Clock Phase: USART_CR2_CPHA bit according to USART_ClockInitStruct->ClockPhase value
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470 * - Last Bit Clock Pulse Output: USART_CR2_LBCL bit according to USART_ClockInitStruct->LastBitClockPulse value.
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471 */
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472 MODIFY_REG(USARTx->CR2,
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473 USART_CR2_CLKEN | USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL,
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474 USART_CR2_CLKEN | USART_ClockInitStruct->ClockPolarity |
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475 USART_ClockInitStruct->ClockPhase | USART_ClockInitStruct->LastBitClockPulse);
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476 }
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477 }
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478 /* Else (USART not in Disabled state => return ERROR */
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479 else
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480 {
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481 status = ERROR;
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482 }
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483
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484 return (status);
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485 }
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486
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487 /**
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488 * @brief Set each field of a @ref LL_USART_ClockInitTypeDef type structure to default value.
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489 * @param USART_ClockInitStruct pointer to a @ref LL_USART_ClockInitTypeDef structure
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490 * whose fields will be set to default values.
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491 * @retval None
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492 */
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493 void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct)
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494 {
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495 /* Set LL_USART_ClockInitStruct fields with default values */
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496 USART_ClockInitStruct->ClockOutput = LL_USART_CLOCK_DISABLE;
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497 USART_ClockInitStruct->ClockPolarity = LL_USART_POLARITY_LOW; /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
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498 USART_ClockInitStruct->ClockPhase = LL_USART_PHASE_1EDGE; /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
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499 USART_ClockInitStruct->LastBitClockPulse = LL_USART_LASTCLKPULSE_NO_OUTPUT; /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
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500 }
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501
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502 /**
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503 * @}
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504 */
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505
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506 /**
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507 * @}
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508 */
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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 #endif /* USART1 || USART2 || USART3 || USART6 || UART4 || UART5 || UART7 || UART8 || UART9 || UART10 */
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515
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516 /**
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517 * @}
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518 */
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519
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520 #endif /* USE_FULL_LL_DRIVER */
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521
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522 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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523