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38
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1 /**
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2 ******************************************************************************
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3 * @file UART/UART_Printf/Src/stm32f4xx_hal_msp.c
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4 * @author MCD Application Team
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5 * @version V1.1.0
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6 * @date 26-June-2014
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7 * @brief HAL MSP module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without specific prior written permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Includes ------------------------------------------------------------------*/
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39 #include "baseCPU2.h"
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40
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41 #include "stm32f4xx_hal.h"
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42
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43 /** @addtogroup STM32F4xx_HAL_Examples
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44 * @{
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45 */
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46
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47 /** @defgroup HAL_MSP
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48 * @brief HAL MSP module.
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49 * @{
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50 */
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51
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52 /* Private typedef -----------------------------------------------------------*/
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53 /* Private define ------------------------------------------------------------*/
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54 /* Private macro -------------------------------------------------------------*/
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55 /* Private variables ---------------------------------------------------------*/
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56 /* Private function prototypes -----------------------------------------------*/
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57 /* Private functions ---------------------------------------------------------*/
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58
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59 /** @defgroup HAL_MSP_Private_Functions
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60 * @{
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61 */
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62
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63 void HAL_I2C_ManualControl_MspInit(void)
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64 {
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65 GPIO_InitTypeDef GPIO_InitStruct;
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66
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67 /*##-1- Enable peripherals and GPIO Clocks #################################*/
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68 /* Enable GPIO TX/RX clock */
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69 I2Cx_SCL_GPIO_CLK_ENABLE();
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70 I2Cx_SDA_GPIO_CLK_ENABLE();
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71
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72 /*##-2- Configure peripheral GPIO ##########################################*/
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73 /* I2C CLOCK GPIO pin configuration */
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74 GPIO_InitStruct.Pin = I2Cx_SCL_PIN;
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75 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
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76 GPIO_InitStruct.Pull = GPIO_PULLUP;
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77 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
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78
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79 HAL_GPIO_Init(I2Cx_SCL_GPIO_PORT, &GPIO_InitStruct);
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80
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81 /* I2C DATA GPIO pin configuration */
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82 GPIO_InitStruct.Pin = I2Cx_SDA_PIN;
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83 GPIO_InitStruct.Alternate = GPIO_MODE_INPUT;
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84
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85 HAL_GPIO_Init(I2Cx_SDA_GPIO_PORT, &GPIO_InitStruct);
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86 }
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87
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88 /**
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89 * @brief I2C MSP Initialization
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90 * This function configures the hardware resources used in this example:
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91 * - Peripheral's clock enable
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92 * - Peripheral's GPIO Configuration
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93 * - DMA configuration for transmission request by peripheral
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94 * - NVIC configuration for DMA interrupt request enable
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95 * @param hi2c: I2C handle pointer
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96 * @retval None
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97 */
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98 void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c)
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99 {
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100 GPIO_InitTypeDef GPIO_InitStruct;
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101
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102 /*##-1- Enable peripherals and GPIO Clocks #################################*/
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103 /* Enable GPIO TX/RX clock */
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104 I2Cx_SCL_GPIO_CLK_ENABLE();
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105 I2Cx_SDA_GPIO_CLK_ENABLE();
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106 /* Enable I2C1 clock */
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107 I2Cx_CLK_ENABLE();
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108
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109 /*##-2- Configure peripheral GPIO ##########################################*/
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110 /* I2C TX GPIO pin configuration */
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111 GPIO_InitStruct.Pin = I2Cx_SCL_PIN;
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112 GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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113 GPIO_InitStruct.Pull = GPIO_PULLUP;
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114 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
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115 GPIO_InitStruct.Alternate = I2Cx_SCL_AF;
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116
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117 HAL_GPIO_Init(I2Cx_SCL_GPIO_PORT, &GPIO_InitStruct);
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118
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119 /* I2C RX GPIO pin configuration */
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120 GPIO_InitStruct.Pin = I2Cx_SDA_PIN;
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121 GPIO_InitStruct.Alternate = I2Cx_SDA_AF;
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122
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123 HAL_GPIO_Init(I2Cx_SDA_GPIO_PORT, &GPIO_InitStruct);
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124
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125 /*##-3- Configure the NVIC for I2C #########################################*/
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126 /* NVIC for I2C1 */
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127 HAL_NVIC_SetPriority(I2Cx_ER_IRQn, 1, 2);
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128 HAL_NVIC_EnableIRQ(I2Cx_ER_IRQn);
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129 HAL_NVIC_SetPriority(I2Cx_EV_IRQn, 1, 3);
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130 HAL_NVIC_EnableIRQ(I2Cx_EV_IRQn);
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131 }
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132
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133 /**
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134 * @brief I2C MSP De-Initialization
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135 * This function frees the hardware resources used in this example:
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136 * - Disable the Peripheral's clock
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137 * - Revert GPIO, DMA and NVIC configuration to their default state
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138 * @param hi2c: I2C handle pointer
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139 * @retval None
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140 */
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141 void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c)
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142 {
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143 /*##-1- Reset peripherals ##################################################*/
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144 I2Cx_FORCE_RESET();
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145 I2Cx_RELEASE_RESET();
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146
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147 /*##-2- Disable peripherals and GPIO Clocks ################################*/
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148 /* Configure I2C Tx as alternate function */
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149 HAL_GPIO_DeInit(I2Cx_SCL_GPIO_PORT, I2Cx_SCL_PIN);
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150 /* Configure I2C Rx as alternate function */
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151 HAL_GPIO_DeInit(I2Cx_SDA_GPIO_PORT, I2Cx_SDA_PIN);
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152
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153 /*##-3- Disable the NVIC for I2C ###########################################*/
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154 HAL_NVIC_DisableIRQ(I2Cx_ER_IRQn);
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155 HAL_NVIC_DisableIRQ(I2Cx_EV_IRQn);
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156 }
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157
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158
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159 /**
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160 * @brief RTC MSP Initialization
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161 * This function configures the hardware resources used in this example
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162 * @param hrtc: RTC handle pointer
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163 *
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164 * @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select
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165 * the RTC clock source; in this case the Backup domain will be reset in
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166 * order to modify the RTC Clock source, as consequence RTC registers (including
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167 * the backup registers) and RCC_BDCR register are set to their reset values.
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168 *
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169 * @retval None
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170 */
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171 void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
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172 {
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173
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174 if(hrtc->Instance==RTC)
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175 {
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176 /* USER CODE BEGIN RTC_MspInit 0 */
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177 RCC_OscInitTypeDef RCC_OscInitStruct;
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178 RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
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179
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180 /*##-1- Configue LSI as RTC clock soucre ###################################*/
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181 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
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182 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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183 RCC_OscInitStruct.LSEState = RCC_LSE_ON;
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184 HAL_RCC_OscConfig(&RCC_OscInitStruct);
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185
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186 PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
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187 PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
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188 HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
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189
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190 /* USER CODE END RTC_MspInit 0 */
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191 /* Peripheral clock enable */
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192 __HAL_RCC_RTC_ENABLE();
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193 /* USER CODE BEGIN RTC_MspInit 1 */
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194
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195 /*##-3- Configure the NVIC for RTC WakeUp Timer ############################*/
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196 HAL_NVIC_SetPriority(RTC_WKUP_IRQn, 0x0F, 0);
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197 HAL_NVIC_EnableIRQ(RTC_WKUP_IRQn);
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198
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199 /* USER CODE END RTC_MspInit 1 */
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200 }
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201
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202 }
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203
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204
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205 void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
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206 {
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207
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208 if(hrtc->Instance==RTC)
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209 {
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210 /* USER CODE BEGIN RTC_MspDeInit 0 */
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211
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212 /* USER CODE END RTC_MspDeInit 0 */
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213 /* Peripheral clock disable */
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214 __HAL_RCC_RTC_DISABLE();
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215 /* USER CODE BEGIN RTC_MspDeInit 1 */
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216
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217 /* USER CODE END RTC_MspDeInit 1 */
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218 }
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219
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220 }
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221
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222
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223
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224 void HAL_UART_MspInit(UART_HandleTypeDef* huart)
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225 {
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226
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227 GPIO_InitTypeDef GPIO_InitStruct;
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228 if(huart->Instance==USART2)
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229 {
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230 __USART2_CLK_ENABLE();
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231 GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
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232 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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233 GPIO_InitStruct.Pull = GPIO_PULLUP;
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234 GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
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235 GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
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236 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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237 }
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238 }
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239
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240
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241 void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
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242 {
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243 if(huart->Instance==USART2)
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244 {
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245 __USART2_CLK_DISABLE();
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246 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
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247 }
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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 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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