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mbed library sources. Supersedes mbed-src.

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targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_hal_i2c_ex.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
180:96ed750bd169 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32f0xx_hal_i2c_ex.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @brief I2C Extended HAL module driver.
Anna Bridge 180:96ed750bd169 6 * This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 7 * functionalities of I2C Extended peripheral:
<> 144:ef7eb2e8f9f7 8 * + Extended features functions
<> 156:95d6b41a828b 9 *
<> 144:ef7eb2e8f9f7 10 @verbatim
<> 144:ef7eb2e8f9f7 11 ==============================================================================
<> 144:ef7eb2e8f9f7 12 ##### I2C peripheral Extended features #####
<> 144:ef7eb2e8f9f7 13 ==============================================================================
<> 156:95d6b41a828b 14
<> 144:ef7eb2e8f9f7 15 [..] Comparing to other previous devices, the I2C interface for STM32F0xx
<> 144:ef7eb2e8f9f7 16 devices contains the following additional features
<> 156:95d6b41a828b 17
<> 144:ef7eb2e8f9f7 18 (+) Possibility to disable or enable Analog Noise Filter
<> 144:ef7eb2e8f9f7 19 (+) Use of a configured Digital Noise Filter
<> 144:ef7eb2e8f9f7 20 (+) Disable or enable wakeup from Stop mode
<> 156:95d6b41a828b 21
<> 144:ef7eb2e8f9f7 22 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 23 ==============================================================================
<> 144:ef7eb2e8f9f7 24 [..] This driver provides functions to configure Noise Filter and Wake Up Feature
<> 144:ef7eb2e8f9f7 25 (#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter()
<> 144:ef7eb2e8f9f7 26 (#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter()
<> 144:ef7eb2e8f9f7 27 (#) Configure the enable or disable of I2C Wake Up Mode using the functions :
<> 144:ef7eb2e8f9f7 28 (++) HAL_I2CEx_EnableWakeUp()
<> 144:ef7eb2e8f9f7 29 (++) HAL_I2CEx_DisableWakeUp()
<> 144:ef7eb2e8f9f7 30 (#) Configure the enable or disable of fast mode plus driving capability using the functions :
<> 144:ef7eb2e8f9f7 31 (++) HAL_I2CEx_EnableFastModePlus()
<> 156:95d6b41a828b 32 (++) HAL_I2CEx_DisableFastModePlus()
<> 144:ef7eb2e8f9f7 33 @endverbatim
<> 144:ef7eb2e8f9f7 34 ******************************************************************************
<> 144:ef7eb2e8f9f7 35 * @attention
<> 144:ef7eb2e8f9f7 36 *
<> 144:ef7eb2e8f9f7 37 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 38 *
<> 144:ef7eb2e8f9f7 39 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 40 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 41 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 42 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 43 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 44 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 45 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 46 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 47 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 48 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 49 *
<> 144:ef7eb2e8f9f7 50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 51 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 53 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 56 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 57 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 58 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 60 *
<> 156:95d6b41a828b 61 ******************************************************************************
<> 144:ef7eb2e8f9f7 62 */
<> 144:ef7eb2e8f9f7 63
<> 144:ef7eb2e8f9f7 64 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 65 #include "stm32f0xx_hal.h"
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 /** @addtogroup STM32F0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 68 * @{
<> 144:ef7eb2e8f9f7 69 */
<> 144:ef7eb2e8f9f7 70
<> 144:ef7eb2e8f9f7 71 /** @defgroup I2CEx I2CEx
<> 144:ef7eb2e8f9f7 72 * @brief I2C Extended HAL module driver
<> 144:ef7eb2e8f9f7 73 * @{
<> 144:ef7eb2e8f9f7 74 */
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 #ifdef HAL_I2C_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 77
<> 144:ef7eb2e8f9f7 78 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 79 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 80 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 81 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 82 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 83 /* Private functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 84
<> 144:ef7eb2e8f9f7 85 /** @defgroup I2CEx_Exported_Functions I2C Extended Exported Functions
<> 144:ef7eb2e8f9f7 86 * @{
<> 144:ef7eb2e8f9f7 87 */
<> 144:ef7eb2e8f9f7 88
<> 144:ef7eb2e8f9f7 89 /** @defgroup I2CEx_Exported_Functions_Group1 Extended features functions
<> 144:ef7eb2e8f9f7 90 * @brief Extended features functions
<> 156:95d6b41a828b 91 *
<> 156:95d6b41a828b 92 @verbatim
<> 144:ef7eb2e8f9f7 93 ===============================================================================
<> 144:ef7eb2e8f9f7 94 ##### Extended features functions #####
<> 156:95d6b41a828b 95 ===============================================================================
<> 144:ef7eb2e8f9f7 96 [..] This section provides functions allowing to:
Anna Bridge 180:96ed750bd169 97 (+) Configure Noise Filters
<> 144:ef7eb2e8f9f7 98 (+) Configure Wake Up Feature
<> 144:ef7eb2e8f9f7 99
<> 144:ef7eb2e8f9f7 100 @endverbatim
<> 144:ef7eb2e8f9f7 101 * @{
<> 144:ef7eb2e8f9f7 102 */
<> 156:95d6b41a828b 103
<> 144:ef7eb2e8f9f7 104 /**
<> 156:95d6b41a828b 105 * @brief Configure I2C Analog noise filter.
<> 144:ef7eb2e8f9f7 106 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 107 * the configuration information for the specified I2Cx peripheral.
<> 144:ef7eb2e8f9f7 108 * @param AnalogFilter New state of the Analog filter.
<> 144:ef7eb2e8f9f7 109 * @retval HAL status
<> 144:ef7eb2e8f9f7 110 */
<> 144:ef7eb2e8f9f7 111 HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter)
<> 144:ef7eb2e8f9f7 112 {
<> 144:ef7eb2e8f9f7 113 /* Check the parameters */
<> 144:ef7eb2e8f9f7 114 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
<> 144:ef7eb2e8f9f7 115 assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter));
<> 156:95d6b41a828b 116
Anna Bridge 180:96ed750bd169 117 if (hi2c->State == HAL_I2C_STATE_READY)
<> 156:95d6b41a828b 118 {
<> 144:ef7eb2e8f9f7 119 /* Process Locked */
<> 144:ef7eb2e8f9f7 120 __HAL_LOCK(hi2c);
<> 156:95d6b41a828b 121
<> 144:ef7eb2e8f9f7 122 hi2c->State = HAL_I2C_STATE_BUSY;
<> 156:95d6b41a828b 123
<> 144:ef7eb2e8f9f7 124 /* Disable the selected I2C peripheral */
<> 156:95d6b41a828b 125 __HAL_I2C_DISABLE(hi2c);
<> 156:95d6b41a828b 126
<> 144:ef7eb2e8f9f7 127 /* Reset I2Cx ANOFF bit */
<> 156:95d6b41a828b 128 hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF);
<> 156:95d6b41a828b 129
<> 144:ef7eb2e8f9f7 130 /* Set analog filter bit*/
<> 144:ef7eb2e8f9f7 131 hi2c->Instance->CR1 |= AnalogFilter;
<> 156:95d6b41a828b 132
<> 156:95d6b41a828b 133 __HAL_I2C_ENABLE(hi2c);
<> 156:95d6b41a828b 134
<> 144:ef7eb2e8f9f7 135 hi2c->State = HAL_I2C_STATE_READY;
<> 156:95d6b41a828b 136
<> 144:ef7eb2e8f9f7 137 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 138 __HAL_UNLOCK(hi2c);
<> 156:95d6b41a828b 139
<> 156:95d6b41a828b 140 return HAL_OK;
<> 144:ef7eb2e8f9f7 141 }
<> 144:ef7eb2e8f9f7 142 else
<> 144:ef7eb2e8f9f7 143 {
<> 144:ef7eb2e8f9f7 144 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 145 }
<> 144:ef7eb2e8f9f7 146 }
<> 144:ef7eb2e8f9f7 147
<> 144:ef7eb2e8f9f7 148 /**
<> 156:95d6b41a828b 149 * @brief Configure I2C Digital noise filter.
<> 144:ef7eb2e8f9f7 150 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 151 * the configuration information for the specified I2Cx peripheral.
<> 156:95d6b41a828b 152 * @param DigitalFilter Coefficient of digital noise filter between Min_Data=0x00 and Max_Data=0x0F.
<> 144:ef7eb2e8f9f7 153 * @retval HAL status
<> 144:ef7eb2e8f9f7 154 */
<> 144:ef7eb2e8f9f7 155 HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter)
<> 144:ef7eb2e8f9f7 156 {
<> 144:ef7eb2e8f9f7 157 uint32_t tmpreg = 0U;
<> 156:95d6b41a828b 158
<> 144:ef7eb2e8f9f7 159 /* Check the parameters */
<> 144:ef7eb2e8f9f7 160 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
<> 144:ef7eb2e8f9f7 161 assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter));
<> 156:95d6b41a828b 162
Anna Bridge 180:96ed750bd169 163 if (hi2c->State == HAL_I2C_STATE_READY)
<> 156:95d6b41a828b 164 {
<> 144:ef7eb2e8f9f7 165 /* Process Locked */
<> 144:ef7eb2e8f9f7 166 __HAL_LOCK(hi2c);
<> 156:95d6b41a828b 167
<> 144:ef7eb2e8f9f7 168 hi2c->State = HAL_I2C_STATE_BUSY;
<> 156:95d6b41a828b 169
<> 144:ef7eb2e8f9f7 170 /* Disable the selected I2C peripheral */
<> 156:95d6b41a828b 171 __HAL_I2C_DISABLE(hi2c);
<> 156:95d6b41a828b 172
<> 144:ef7eb2e8f9f7 173 /* Get the old register value */
<> 144:ef7eb2e8f9f7 174 tmpreg = hi2c->Instance->CR1;
<> 156:95d6b41a828b 175
<> 144:ef7eb2e8f9f7 176 /* Reset I2Cx DNF bits [11:8] */
<> 144:ef7eb2e8f9f7 177 tmpreg &= ~(I2C_CR1_DNF);
<> 156:95d6b41a828b 178
<> 144:ef7eb2e8f9f7 179 /* Set I2Cx DNF coefficient */
<> 144:ef7eb2e8f9f7 180 tmpreg |= DigitalFilter << 8U;
<> 156:95d6b41a828b 181
<> 144:ef7eb2e8f9f7 182 /* Store the new register value */
<> 144:ef7eb2e8f9f7 183 hi2c->Instance->CR1 = tmpreg;
<> 156:95d6b41a828b 184
<> 156:95d6b41a828b 185 __HAL_I2C_ENABLE(hi2c);
<> 156:95d6b41a828b 186
<> 144:ef7eb2e8f9f7 187 hi2c->State = HAL_I2C_STATE_READY;
<> 156:95d6b41a828b 188
<> 144:ef7eb2e8f9f7 189 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 190 __HAL_UNLOCK(hi2c);
<> 156:95d6b41a828b 191
<> 144:ef7eb2e8f9f7 192 return HAL_OK;
<> 144:ef7eb2e8f9f7 193 }
<> 144:ef7eb2e8f9f7 194 else
<> 144:ef7eb2e8f9f7 195 {
<> 144:ef7eb2e8f9f7 196 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 197 }
<> 156:95d6b41a828b 198 }
<> 156:95d6b41a828b 199 #if defined(I2C_CR1_WUPEN)
<> 144:ef7eb2e8f9f7 200
<> 144:ef7eb2e8f9f7 201 /**
<> 144:ef7eb2e8f9f7 202 * @brief Enable I2C wakeup from stop mode.
<> 144:ef7eb2e8f9f7 203 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 204 * the configuration information for the specified I2Cx peripheral.
<> 144:ef7eb2e8f9f7 205 * @retval HAL status
<> 144:ef7eb2e8f9f7 206 */
Anna Bridge 180:96ed750bd169 207 HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp(I2C_HandleTypeDef *hi2c)
<> 144:ef7eb2e8f9f7 208 {
<> 144:ef7eb2e8f9f7 209 /* Check the parameters */
<> 144:ef7eb2e8f9f7 210 assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
<> 156:95d6b41a828b 211
Anna Bridge 180:96ed750bd169 212 if (hi2c->State == HAL_I2C_STATE_READY)
<> 156:95d6b41a828b 213 {
<> 144:ef7eb2e8f9f7 214 /* Process Locked */
<> 144:ef7eb2e8f9f7 215 __HAL_LOCK(hi2c);
<> 156:95d6b41a828b 216
<> 144:ef7eb2e8f9f7 217 hi2c->State = HAL_I2C_STATE_BUSY;
<> 156:95d6b41a828b 218
<> 144:ef7eb2e8f9f7 219 /* Disable the selected I2C peripheral */
<> 156:95d6b41a828b 220 __HAL_I2C_DISABLE(hi2c);
<> 156:95d6b41a828b 221
<> 144:ef7eb2e8f9f7 222 /* Enable wakeup from stop mode */
<> 156:95d6b41a828b 223 hi2c->Instance->CR1 |= I2C_CR1_WUPEN;
<> 156:95d6b41a828b 224
<> 156:95d6b41a828b 225 __HAL_I2C_ENABLE(hi2c);
<> 156:95d6b41a828b 226
<> 144:ef7eb2e8f9f7 227 hi2c->State = HAL_I2C_STATE_READY;
<> 156:95d6b41a828b 228
<> 144:ef7eb2e8f9f7 229 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 230 __HAL_UNLOCK(hi2c);
<> 156:95d6b41a828b 231
<> 144:ef7eb2e8f9f7 232 return HAL_OK;
<> 144:ef7eb2e8f9f7 233 }
<> 144:ef7eb2e8f9f7 234 else
<> 144:ef7eb2e8f9f7 235 {
<> 144:ef7eb2e8f9f7 236 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 237 }
<> 156:95d6b41a828b 238 }
<> 144:ef7eb2e8f9f7 239
<> 144:ef7eb2e8f9f7 240 /**
<> 144:ef7eb2e8f9f7 241 * @brief Disable I2C wakeup from stop mode.
<> 144:ef7eb2e8f9f7 242 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 243 * the configuration information for the specified I2Cx peripheral.
<> 144:ef7eb2e8f9f7 244 * @retval HAL status
<> 144:ef7eb2e8f9f7 245 */
Anna Bridge 180:96ed750bd169 246 HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp(I2C_HandleTypeDef *hi2c)
<> 144:ef7eb2e8f9f7 247 {
<> 144:ef7eb2e8f9f7 248 /* Check the parameters */
<> 144:ef7eb2e8f9f7 249 assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
<> 156:95d6b41a828b 250
Anna Bridge 180:96ed750bd169 251 if (hi2c->State == HAL_I2C_STATE_READY)
<> 156:95d6b41a828b 252 {
<> 144:ef7eb2e8f9f7 253 /* Process Locked */
<> 144:ef7eb2e8f9f7 254 __HAL_LOCK(hi2c);
<> 156:95d6b41a828b 255
<> 144:ef7eb2e8f9f7 256 hi2c->State = HAL_I2C_STATE_BUSY;
<> 156:95d6b41a828b 257
<> 144:ef7eb2e8f9f7 258 /* Disable the selected I2C peripheral */
<> 156:95d6b41a828b 259 __HAL_I2C_DISABLE(hi2c);
<> 156:95d6b41a828b 260
<> 144:ef7eb2e8f9f7 261 /* Enable wakeup from stop mode */
<> 156:95d6b41a828b 262 hi2c->Instance->CR1 &= ~(I2C_CR1_WUPEN);
<> 156:95d6b41a828b 263
Anna Bridge 180:96ed750bd169 264 __HAL_I2C_ENABLE(hi2c);
<> 156:95d6b41a828b 265
<> 144:ef7eb2e8f9f7 266 hi2c->State = HAL_I2C_STATE_READY;
<> 156:95d6b41a828b 267
<> 144:ef7eb2e8f9f7 268 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 269 __HAL_UNLOCK(hi2c);
<> 156:95d6b41a828b 270
<> 156:95d6b41a828b 271 return HAL_OK;
<> 144:ef7eb2e8f9f7 272 }
<> 144:ef7eb2e8f9f7 273 else
<> 144:ef7eb2e8f9f7 274 {
<> 144:ef7eb2e8f9f7 275 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 276 }
<> 156:95d6b41a828b 277 }
<> 156:95d6b41a828b 278 #endif
<> 144:ef7eb2e8f9f7 279
<> 144:ef7eb2e8f9f7 280 /**
<> 144:ef7eb2e8f9f7 281 * @brief Enable the I2C fast mode plus driving capability.
<> 144:ef7eb2e8f9f7 282 * @param ConfigFastModePlus Selects the pin.
<> 144:ef7eb2e8f9f7 283 * This parameter can be one of the @ref I2CEx_FastModePlus values
<> 156:95d6b41a828b 284 * @note For I2C1, fast mode plus driving capability can be enabled on all selected
<> 156:95d6b41a828b 285 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
<> 156:95d6b41a828b 286 * on each one of the following pins PB6, PB7, PB8 and PB9.
<> 156:95d6b41a828b 287 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
<> 156:95d6b41a828b 288 * can be enabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
<> 156:95d6b41a828b 289 * @note For all I2C2 pins fast mode plus driving capability can be enabled
<> 156:95d6b41a828b 290 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
<> 144:ef7eb2e8f9f7 291 * @retval None
<> 144:ef7eb2e8f9f7 292 */
<> 144:ef7eb2e8f9f7 293 void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
<> 144:ef7eb2e8f9f7 294 {
<> 144:ef7eb2e8f9f7 295 /* Check the parameter */
<> 144:ef7eb2e8f9f7 296 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
<> 156:95d6b41a828b 297
<> 144:ef7eb2e8f9f7 298 /* Enable SYSCFG clock */
<> 144:ef7eb2e8f9f7 299 __HAL_RCC_SYSCFG_CLK_ENABLE();
<> 156:95d6b41a828b 300
<> 144:ef7eb2e8f9f7 301 /* Enable fast mode plus driving capability for selected pin */
<> 144:ef7eb2e8f9f7 302 SET_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
<> 144:ef7eb2e8f9f7 303 }
<> 144:ef7eb2e8f9f7 304
<> 144:ef7eb2e8f9f7 305 /**
<> 144:ef7eb2e8f9f7 306 * @brief Disable the I2C fast mode plus driving capability.
<> 144:ef7eb2e8f9f7 307 * @param ConfigFastModePlus Selects the pin.
<> 144:ef7eb2e8f9f7 308 * This parameter can be one of the @ref I2CEx_FastModePlus values
<> 156:95d6b41a828b 309 * @note For I2C1, fast mode plus driving capability can be disabled on all selected
<> 156:95d6b41a828b 310 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
<> 156:95d6b41a828b 311 * on each one of the following pins PB6, PB7, PB8 and PB9.
<> 156:95d6b41a828b 312 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
<> 156:95d6b41a828b 313 * can be disabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
<> 156:95d6b41a828b 314 * @note For all I2C2 pins fast mode plus driving capability can be disabled
<> 156:95d6b41a828b 315 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
<> 144:ef7eb2e8f9f7 316 * @retval None
<> 144:ef7eb2e8f9f7 317 */
<> 144:ef7eb2e8f9f7 318 void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
<> 144:ef7eb2e8f9f7 319 {
<> 144:ef7eb2e8f9f7 320 /* Check the parameter */
<> 144:ef7eb2e8f9f7 321 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
<> 156:95d6b41a828b 322
<> 144:ef7eb2e8f9f7 323 /* Enable SYSCFG clock */
<> 144:ef7eb2e8f9f7 324 __HAL_RCC_SYSCFG_CLK_ENABLE();
<> 144:ef7eb2e8f9f7 325
<> 144:ef7eb2e8f9f7 326 /* Disable fast mode plus driving capability for selected pin */
<> 144:ef7eb2e8f9f7 327 CLEAR_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
<> 144:ef7eb2e8f9f7 328 }
<> 144:ef7eb2e8f9f7 329
<> 144:ef7eb2e8f9f7 330 /**
<> 144:ef7eb2e8f9f7 331 * @}
<> 156:95d6b41a828b 332 */
<> 144:ef7eb2e8f9f7 333
<> 144:ef7eb2e8f9f7 334 /**
<> 144:ef7eb2e8f9f7 335 * @}
<> 144:ef7eb2e8f9f7 336 */
<> 144:ef7eb2e8f9f7 337
<> 144:ef7eb2e8f9f7 338 #endif /* HAL_I2C_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 339 /**
<> 144:ef7eb2e8f9f7 340 * @}
<> 144:ef7eb2e8f9f7 341 */
<> 144:ef7eb2e8f9f7 342
<> 144:ef7eb2e8f9f7 343 /**
<> 144:ef7eb2e8f9f7 344 * @}
<> 144:ef7eb2e8f9f7 345 */
<> 144:ef7eb2e8f9f7 346
<> 144:ef7eb2e8f9f7 347 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/