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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c_ex.c @ 367:e309f78f89a5 MotionDetection
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author | Ideenmodellierer |
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date | Sat, 20 Jul 2019 21:42:45 +0200 |
parents | c78bcbd5deda |
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rev | line source |
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_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>© 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****/ |