annotate l476rg/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c @ 6:ca42336826bd default tip

working on clock sources
author cin
date Mon, 23 Jan 2017 02:40:17 +0300
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1 /**
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2 ******************************************************************************
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3 * @file stm32l4xx_hal_i2c_ex.c
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4 * @author MCD Application Team
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5 * @version V1.6.0
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6 * @date 28-October-2016
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7 * @brief I2C Extended HAL module driver.
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8 * This file provides firmware functions to manage the following
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9 * functionalities of I2C Extended peripheral:
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10 * + Extended features functions
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11 *
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12 @verbatim
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13 ==============================================================================
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14 ##### I2C peripheral Extended features #####
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15 ==============================================================================
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16
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17 [..] Comparing to other previous devices, the I2C interface for STM32L4xx
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18 devices contains the following additional features
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19
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20 (+) Possibility to disable or enable Analog Noise Filter
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21 (+) Use of a configured Digital Noise Filter
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22 (+) Disable or enable wakeup from Stop modes
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23
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24 ##### How to use this driver #####
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25 ==============================================================================
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26 [..] This driver provides functions to configure Noise Filter and Wake Up Feature
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27 (#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter()
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28 (#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter()
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29 (#) Configure the enable or disable of I2C Wake Up Mode using the functions :
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30 (++) HAL_I2CEx_EnableWakeUp()
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31 (++) HAL_I2CEx_DisableWakeUp()
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32 (#) Configure the enable or disable of fast mode plus driving capability using the functions :
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33 (++) HAL_I2CEx_EnableFastModePlus()
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34 (++) HAL_I2CEx_DisableFastModePlus()
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35 @endverbatim
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36 ******************************************************************************
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37 * @attention
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38 *
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39 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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40 *
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41 * Redistribution and use in source and binary forms, with or without modification,
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42 * are permitted provided that the following conditions are met:
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43 * 1. Redistributions of source code must retain the above copyright notice,
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44 * this list of conditions and the following disclaimer.
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45 * 2. Redistributions in binary form must reproduce the above copyright notice,
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46 * this list of conditions and the following disclaimer in the documentation
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47 * and/or other materials provided with the distribution.
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48 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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49 * may be used to endorse or promote products derived from this software
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50 * without specific prior written permission.
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51 *
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52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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53 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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55 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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58 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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59 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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60 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 /* Includes ------------------------------------------------------------------*/
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67 #include "stm32l4xx_hal.h"
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68
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69 /** @addtogroup STM32L4xx_HAL_Driver
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70 * @{
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71 */
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72
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73 /** @defgroup I2CEx I2CEx
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74 * @brief I2C Extended HAL module driver
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75 * @{
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76 */
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77
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78 #ifdef HAL_I2C_MODULE_ENABLED
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79
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80 /* Private typedef -----------------------------------------------------------*/
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81 /* Private define ------------------------------------------------------------*/
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82 /* Private macro -------------------------------------------------------------*/
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83 /* Private variables ---------------------------------------------------------*/
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84 /* Private function prototypes -----------------------------------------------*/
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85 /* Private functions ---------------------------------------------------------*/
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86
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87 /** @defgroup I2CEx_Exported_Functions I2C Extended Exported Functions
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88 * @{
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89 */
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90
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91 /** @defgroup I2CEx_Exported_Functions_Group1 Extended features functions
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92 * @brief Extended features functions
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93 *
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94 @verbatim
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95 ===============================================================================
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96 ##### Extended features functions #####
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97 ===============================================================================
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98 [..] This section provides functions allowing to:
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99 (+) Configure Noise Filters
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100 (+) Configure Wake Up Feature
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101
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102 @endverbatim
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103 * @{
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104 */
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105
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106 /**
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107 * @brief Configure I2C Analog noise filter.
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108 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
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109 * the configuration information for the specified I2Cx peripheral.
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110 * @param AnalogFilter New state of the Analog filter.
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111 * @retval HAL status
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112 */
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113 HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter)
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114 {
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115 /* Check the parameters */
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116 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
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117 assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter));
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118
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119 if(hi2c->State == HAL_I2C_STATE_READY)
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120 {
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121 /* Process Locked */
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122 __HAL_LOCK(hi2c);
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123
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124 hi2c->State = HAL_I2C_STATE_BUSY;
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125
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126 /* Disable the selected I2C peripheral */
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127 __HAL_I2C_DISABLE(hi2c);
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128
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129 /* Reset I2Cx ANOFF bit */
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130 hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF);
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131
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132 /* Set analog filter bit*/
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133 hi2c->Instance->CR1 |= AnalogFilter;
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134
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135 __HAL_I2C_ENABLE(hi2c);
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136
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137 hi2c->State = HAL_I2C_STATE_READY;
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138
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139 /* Process Unlocked */
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140 __HAL_UNLOCK(hi2c);
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141
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142 return HAL_OK;
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143 }
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144 else
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145 {
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146 return HAL_BUSY;
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147 }
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148 }
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149
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150 /**
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151 * @brief Configure I2C Digital noise filter.
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152 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
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153 * the configuration information for the specified I2Cx peripheral.
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154 * @param DigitalFilter Coefficient of digital noise filter between Min_Data=0x00 and Max_Data=0x0F.
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155 * @retval HAL status
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156 */
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157 HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter)
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158 {
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159 uint32_t tmpreg = 0U;
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160
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161 /* Check the parameters */
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162 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
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163 assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter));
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164
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165 if(hi2c->State == HAL_I2C_STATE_READY)
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166 {
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167 /* Process Locked */
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168 __HAL_LOCK(hi2c);
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169
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170 hi2c->State = HAL_I2C_STATE_BUSY;
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171
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172 /* Disable the selected I2C peripheral */
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173 __HAL_I2C_DISABLE(hi2c);
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174
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175 /* Get the old register value */
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176 tmpreg = hi2c->Instance->CR1;
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177
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178 /* Reset I2Cx DNF bits [11:8] */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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179 tmpreg &= ~(I2C_CR1_DNF);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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180
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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181 /* Set I2Cx DNF coefficient */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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182 tmpreg |= DigitalFilter << 8U;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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183
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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184 /* Store the new register value */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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185 hi2c->Instance->CR1 = tmpreg;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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186
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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187 __HAL_I2C_ENABLE(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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188
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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189 hi2c->State = HAL_I2C_STATE_READY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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190
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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191 /* Process Unlocked */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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192 __HAL_UNLOCK(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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193
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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194 return HAL_OK;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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195 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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196 else
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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197 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
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198 return HAL_BUSY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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199 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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200 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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201
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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202 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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203 * @brief Enable I2C wakeup from stop mode.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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204 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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205 * the configuration information for the specified I2Cx peripheral.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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206 * @retval HAL status
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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207 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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208 HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp (I2C_HandleTypeDef *hi2c)
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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209 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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210 /* Check the parameters */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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211 assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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212
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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213 if(hi2c->State == HAL_I2C_STATE_READY)
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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214 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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215 /* Process Locked */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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216 __HAL_LOCK(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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217
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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218 hi2c->State = HAL_I2C_STATE_BUSY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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219
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
220 /* Disable the selected I2C peripheral */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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221 __HAL_I2C_DISABLE(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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222
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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223 /* Enable wakeup from stop mode */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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224 hi2c->Instance->CR1 |= I2C_CR1_WUPEN;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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225
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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226 __HAL_I2C_ENABLE(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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227
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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228 hi2c->State = HAL_I2C_STATE_READY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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229
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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230 /* Process Unlocked */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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231 __HAL_UNLOCK(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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232
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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233 return HAL_OK;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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234 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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235 else
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
236 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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237 return HAL_BUSY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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238 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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239 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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240
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
241 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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242 * @brief Disable I2C wakeup from stop mode.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
243 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
244 * the configuration information for the specified I2Cx peripheral.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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245 * @retval HAL status
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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246 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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247 HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp (I2C_HandleTypeDef *hi2c)
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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248 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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249 /* Check the parameters */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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250 assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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251
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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252 if(hi2c->State == HAL_I2C_STATE_READY)
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
253 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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254 /* Process Locked */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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255 __HAL_LOCK(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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256
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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257 hi2c->State = HAL_I2C_STATE_BUSY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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258
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
259 /* Disable the selected I2C peripheral */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
260 __HAL_I2C_DISABLE(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
261
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
262 /* Enable wakeup from stop mode */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
263 hi2c->Instance->CR1 &= ~(I2C_CR1_WUPEN);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
264
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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265 __HAL_I2C_ENABLE(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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266
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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267 hi2c->State = HAL_I2C_STATE_READY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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268
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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269 /* Process Unlocked */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
270 __HAL_UNLOCK(hi2c);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
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diff changeset
271
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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272 return HAL_OK;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
273 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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274 else
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
275 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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276 return HAL_BUSY;
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
277 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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278 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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279
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
280 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
281 * @brief Enable the I2C fast mode plus driving capability.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
282 * @param ConfigFastModePlus Selects the pin.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
283 * This parameter can be one of the @ref I2CEx_FastModePlus values
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
284 * @note For I2C1, fast mode plus driving capability can be enabled on all selected
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
285 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
286 * on each one of the following pins PB6, PB7, PB8 and PB9.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
287 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
288 * can be enabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
289 * @note For all I2C2 pins fast mode plus driving capability can be enabled
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
290 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
291 * @note For all I2C3 pins fast mode plus driving capability can be enabled
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
292 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
293 * @note For all I2C4 pins fast mode plus driving capability can be enabled
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
294 * only by using I2C_FASTMODEPLUS_I2C4 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
295 * @retval None
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
296 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
297 void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
298 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
299 /* Check the parameter */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
300 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
301
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
302 /* Enable SYSCFG clock */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
303 __HAL_RCC_SYSCFG_CLK_ENABLE();
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
304
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
305 /* Enable fast mode plus driving capability for selected pin */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
306 SET_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
307 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
308
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
309 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
310 * @brief Disable the I2C fast mode plus driving capability.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
311 * @param ConfigFastModePlus Selects the pin.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
312 * This parameter can be one of the @ref I2CEx_FastModePlus values
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
313 * @note For I2C1, fast mode plus driving capability can be disabled on all selected
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
314 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
315 * on each one of the following pins PB6, PB7, PB8 and PB9.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
316 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
317 * can be disabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
318 * @note For all I2C2 pins fast mode plus driving capability can be disabled
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
319 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
320 * @note For all I2C3 pins fast mode plus driving capability can be disabled
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
321 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
322 * @note For all I2C4 pins fast mode plus driving capability can be disabled
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
323 * only by using I2C_FASTMODEPLUS_I2C4 parameter.
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
324 * @retval None
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
325 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
326 void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
327 {
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
328 /* Check the parameter */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
329 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
330
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
331 /* Enable SYSCFG clock */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
332 __HAL_RCC_SYSCFG_CLK_ENABLE();
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
333
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
334 /* Disable fast mode plus driving capability for selected pin */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
335 CLEAR_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
336 }
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
337
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
338 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
339 * @}
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
340 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
341
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
342 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
343 * @}
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
344 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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345
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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346 #endif /* HAL_I2C_MODULE_ENABLED */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
347 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
348 * @}
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
349 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
350
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
351 /**
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
352 * @}
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
diff changeset
353 */
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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354
32a3b1785697 a rough draft of Hardware Abstraction Layer for C++
cin
parents:
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355 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/