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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c_ex.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_hal_fmpi2c_ex.c
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4 * @author MCD Application Team
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5 * @brief FMPI2C Extended HAL module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of FMPI2C Extended peripheral:
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8 * + Extended features functions
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9 *
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10 @verbatim
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11 ==============================================================================
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12 ##### FMPI2C peripheral Extended features #####
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13 ==============================================================================
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14
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15 [..] Comparing to other previous devices, the FMPI2C interface for STM32F4xx
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16 devices contains the following additional features
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17
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18 (+) Possibility to disable or enable Analog Noise Filter
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19 (+) Use of a configured Digital Noise Filter
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20 (+) Disable or enable Fast Mode Plus
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21
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22 ##### How to use this driver #####
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23 ==============================================================================
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24 [..] This driver provides functions to configure Noise Filter and Wake Up Feature
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25 (#) Configure FMPI2C Analog noise filter using the function HAL_FMPI2CEx_ConfigAnalogFilter()
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26 (#) Configure FMPI2C Digital noise filter using the function HAL_FMPI2CEx_ConfigDigitalFilter()
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27 (#) Configure the enable or disable of fast mode plus driving capability using the functions :
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28 (++) HAL_FMPI2CEx_EnableFastModePlus()
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29 (++) HAL_FMPI2CEx_DisableFastModePlus()
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30 @endverbatim
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31 ******************************************************************************
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32 * @attention
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33 *
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34 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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35 *
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36 * Redistribution and use in source and binary forms, with or without modification,
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37 * are permitted provided that the following conditions are met:
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38 * 1. Redistributions of source code must retain the above copyright notice,
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39 * this list of conditions and the following disclaimer.
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40 * 2. Redistributions in binary form must reproduce the above copyright notice,
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41 * this list of conditions and the following disclaimer in the documentation
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42 * and/or other materials provided with the distribution.
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43 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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44 * may be used to endorse or promote products derived from this software
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45 * without specific prior written permission.
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46 *
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47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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50 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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53 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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54 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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55 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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56 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 /* Includes ------------------------------------------------------------------*/
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62 #include "stm32f4xx_hal.h"
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63
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64 /** @addtogroup STM32F4xx_HAL_Driver
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65 * @{
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66 */
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67
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68 /** @defgroup FMPI2CEx FMPI2CEx
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69 * @brief FMPI2C Extended HAL module driver
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70 * @{
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71 */
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72
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73 #ifdef HAL_FMPI2C_MODULE_ENABLED
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74
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75 #if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) || defined(STM32F412Zx) || defined(STM32F412Vx) || \
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76 defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
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77
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78 /* Private typedef -----------------------------------------------------------*/
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79 /* Private define ------------------------------------------------------------*/
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80 /* Private macro -------------------------------------------------------------*/
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81 /* Private variables ---------------------------------------------------------*/
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82 /* Private function prototypes -----------------------------------------------*/
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83 /* Private functions ---------------------------------------------------------*/
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84
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85 /** @defgroup FMPI2CEx_Exported_Functions FMPI2C Extended Exported Functions
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86 * @{
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87 */
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88
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89 /** @defgroup FMPI2CEx_Exported_Functions_Group1 Extended features functions
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90 * @brief Extended features functions
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91 *
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92 @verbatim
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93 ===============================================================================
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94 ##### Extended features functions #####
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95 ===============================================================================
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96 [..] This section provides functions allowing to:
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97 (+) Configure Noise Filters
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98 (+) Configure Fast Mode Plus
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99
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100 @endverbatim
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101 * @{
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102 */
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103
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104 /**
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105 * @brief Configure FMPI2C Analog noise filter.
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106 * @param hfmpi2c Pointer to a FMPI2C_HandleTypeDef structure that contains
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107 * the configuration information for the specified FMPI2Cx peripheral.
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108 * @param AnalogFilter New state of the Analog filter.
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109 * @retval HAL status
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110 */
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111 HAL_StatusTypeDef HAL_FMPI2CEx_ConfigAnalogFilter(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t AnalogFilter)
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112 {
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113 /* Check the parameters */
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114 assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance));
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115 assert_param(IS_FMPI2C_ANALOG_FILTER(AnalogFilter));
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116
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117 if (hfmpi2c->State == HAL_FMPI2C_STATE_READY)
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118 {
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119 /* Process Locked */
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120 __HAL_LOCK(hfmpi2c);
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121
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122 hfmpi2c->State = HAL_FMPI2C_STATE_BUSY;
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123
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124 /* Disable the selected FMPI2C peripheral */
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125 __HAL_FMPI2C_DISABLE(hfmpi2c);
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126
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127 /* Reset FMPI2Cx ANOFF bit */
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128 hfmpi2c->Instance->CR1 &= ~(FMPI2C_CR1_ANFOFF);
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129
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130 /* Set analog filter bit*/
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131 hfmpi2c->Instance->CR1 |= AnalogFilter;
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132
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133 __HAL_FMPI2C_ENABLE(hfmpi2c);
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134
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135 hfmpi2c->State = HAL_FMPI2C_STATE_READY;
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136
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137 /* Process Unlocked */
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138 __HAL_UNLOCK(hfmpi2c);
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139
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140 return HAL_OK;
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141 }
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142 else
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143 {
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144 return HAL_BUSY;
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145 }
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146 }
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147
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148 /**
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149 * @brief Configure FMPI2C Digital noise filter.
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150 * @param hfmpi2c Pointer to a FMPI2C_HandleTypeDef structure that contains
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151 * the configuration information for the specified FMPI2Cx peripheral.
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152 * @param DigitalFilter Coefficient of digital noise filter between Min_Data=0x00 and Max_Data=0x0F.
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153 * @retval HAL status
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154 */
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155 HAL_StatusTypeDef HAL_FMPI2CEx_ConfigDigitalFilter(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t DigitalFilter)
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156 {
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157 uint32_t tmpreg = 0U;
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158
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159 /* Check the parameters */
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160 assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance));
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161 assert_param(IS_FMPI2C_DIGITAL_FILTER(DigitalFilter));
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162
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163 if (hfmpi2c->State == HAL_FMPI2C_STATE_READY)
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164 {
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165 /* Process Locked */
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166 __HAL_LOCK(hfmpi2c);
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167
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168 hfmpi2c->State = HAL_FMPI2C_STATE_BUSY;
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169
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170 /* Disable the selected FMPI2C peripheral */
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171 __HAL_FMPI2C_DISABLE(hfmpi2c);
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172
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173 /* Get the old register value */
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174 tmpreg = hfmpi2c->Instance->CR1;
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175
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176 /* Reset FMPI2Cx DNF bits [11:8] */
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177 tmpreg &= ~(FMPI2C_CR1_DFN);
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178
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179 /* Set FMPI2Cx DNF coefficient */
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180 tmpreg |= DigitalFilter << 8U;
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181
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182 /* Store the new register value */
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183 hfmpi2c->Instance->CR1 = tmpreg;
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184
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185 __HAL_FMPI2C_ENABLE(hfmpi2c);
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186
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187 hfmpi2c->State = HAL_FMPI2C_STATE_READY;
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188
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189 /* Process Unlocked */
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190 __HAL_UNLOCK(hfmpi2c);
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191
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192 return HAL_OK;
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193 }
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194 else
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195 {
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196 return HAL_BUSY;
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197 }
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198 }
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199
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200 /**
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201 * @brief Enable the FMPI2C fast mode plus driving capability.
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202 * @param ConfigFastModePlus Selects the pin.
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203 * This parameter can be one of the @ref FMPI2CEx_FastModePlus values
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204 * @retval None
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205 */
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206 void HAL_FMPI2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
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207 {
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208 /* Check the parameter */
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209 assert_param(IS_FMPI2C_FASTMODEPLUS(ConfigFastModePlus));
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210
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211 /* Enable SYSCFG clock */
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212 __HAL_RCC_SYSCFG_CLK_ENABLE();
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213
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214 /* Enable fast mode plus driving capability for selected pin */
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215 SET_BIT(SYSCFG->CFGR, (uint32_t)ConfigFastModePlus);
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216 }
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217
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218 /**
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219 * @brief Disable the FMPI2C fast mode plus driving capability.
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220 * @param ConfigFastModePlus Selects the pin.
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221 * This parameter can be one of the @ref FMPI2CEx_FastModePlus values
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222 * @retval None
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223 */
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224 void HAL_FMPI2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
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225 {
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226 /* Check the parameter */
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227 assert_param(IS_FMPI2C_FASTMODEPLUS(ConfigFastModePlus));
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228
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229 /* Enable SYSCFG clock */
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230 __HAL_RCC_SYSCFG_CLK_ENABLE();
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231
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232 /* Disable fast mode plus driving capability for selected pin */
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233 CLEAR_BIT(SYSCFG->CFGR, (uint32_t)ConfigFastModePlus);
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234 }
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235
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236 /**
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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 * @}
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242 */
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243 #endif /* STM32F410xx || STM32F446xx || STM32F412Zx || STM32F412Vx || STM32F412Rx || STM32F412Cx ||\
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244 STM32F413xx || STM32F423xx */
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245 #endif /* HAL_FMPI2C_MODULE_ENABLED */
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246 /**
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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 */
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253
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254 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/