mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_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:
186:707f6e361f3e 
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 stm32l0xx_hal_i2c_ex.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @brief I2C Extended HAL module driver.
Anna Bridge 186:707f6e361f3e 6 * This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 7 * functionalities of I2C Extended peripheral:
<> 144:ef7eb2e8f9f7 8 * + Extended features functions
<> 153:fa9ff456f731 9 *
<> 144:ef7eb2e8f9f7 10 @verbatim
<> 144:ef7eb2e8f9f7 11 ==============================================================================
<> 144:ef7eb2e8f9f7 12 ##### I2C peripheral Extended features #####
<> 144:ef7eb2e8f9f7 13 ==============================================================================
<> 153:fa9ff456f731 14
<> 153:fa9ff456f731 15 [..] Comparing to other previous devices, the I2C interface for STM32L0xx
<> 144:ef7eb2e8f9f7 16 devices contains the following additional features
<> 153:fa9ff456f731 17
<> 144:ef7eb2e8f9f7 18 (+) Possibility to disable or enable Analog Noise Filter
<> 144:ef7eb2e8f9f7 19 (+) Use of a configured Digital Noise Filter
Anna Bridge 186:707f6e361f3e 20 (+) Disable or enable wakeup from Stop mode(s)
Anna Bridge 186:707f6e361f3e 21 (+) Disable or enable Fast Mode Plus
<> 153:fa9ff456f731 22
<> 144:ef7eb2e8f9f7 23 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 24 ==============================================================================
<> 153:fa9ff456f731 25 [..] This driver provides functions to configure Noise Filter and Wake Up Feature
<> 144:ef7eb2e8f9f7 26 (#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter()
<> 144:ef7eb2e8f9f7 27 (#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter()
<> 144:ef7eb2e8f9f7 28 (#) Configure the enable or disable of I2C Wake Up Mode using the functions :
<> 153:fa9ff456f731 29 (++) HAL_I2CEx_EnableWakeUp()
<> 153:fa9ff456f731 30 (++) HAL_I2CEx_DisableWakeUp()
<> 144:ef7eb2e8f9f7 31 (#) Configure the enable or disable of fast mode plus driving capability using the functions :
<> 153:fa9ff456f731 32 (++) HAL_I2CEx_EnableFastModePlus()
<> 153:fa9ff456f731 33 (++) HAL_I2CEx_DisableFastModePlus()
<> 144:ef7eb2e8f9f7 34 @endverbatim
<> 144:ef7eb2e8f9f7 35 ******************************************************************************
<> 144:ef7eb2e8f9f7 36 * @attention
<> 144:ef7eb2e8f9f7 37 *
<> 144:ef7eb2e8f9f7 38 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 39 *
<> 144:ef7eb2e8f9f7 40 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 41 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 42 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 43 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 44 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 45 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 46 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 47 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 48 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 49 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 50 *
<> 144:ef7eb2e8f9f7 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 52 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 54 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 57 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 58 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 59 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 61 *
<> 153:fa9ff456f731 62 ******************************************************************************
<> 153:fa9ff456f731 63 */
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 66 #include "stm32l0xx_hal.h"
<> 144:ef7eb2e8f9f7 67
<> 144:ef7eb2e8f9f7 68 /** @addtogroup STM32L0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 69 * @{
<> 144:ef7eb2e8f9f7 70 */
<> 144:ef7eb2e8f9f7 71
<> 153:fa9ff456f731 72 /** @defgroup I2CEx I2CEx
<> 144:ef7eb2e8f9f7 73 * @brief I2C Extended HAL module driver
<> 144:ef7eb2e8f9f7 74 * @{
<> 144:ef7eb2e8f9f7 75 */
<> 144:ef7eb2e8f9f7 76
<> 153:fa9ff456f731 77 #ifdef HAL_I2C_MODULE_ENABLED
<> 153:fa9ff456f731 78
<> 144:ef7eb2e8f9f7 79 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 80 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 81 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 82 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 83 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 84 /* Private functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 85
<> 153:fa9ff456f731 86 /** @defgroup I2CEx_Exported_Functions I2C Extended Exported Functions
<> 144:ef7eb2e8f9f7 87 * @{
<> 144:ef7eb2e8f9f7 88 */
<> 144:ef7eb2e8f9f7 89
<> 153:fa9ff456f731 90 /** @defgroup I2CEx_Exported_Functions_Group1 Extended features functions
<> 144:ef7eb2e8f9f7 91 * @brief Extended features functions
<> 144:ef7eb2e8f9f7 92 *
<> 153:fa9ff456f731 93 @verbatim
<> 144:ef7eb2e8f9f7 94 ===============================================================================
<> 144:ef7eb2e8f9f7 95 ##### Extended features functions #####
<> 153:fa9ff456f731 96 ===============================================================================
<> 144:ef7eb2e8f9f7 97 [..] This section provides functions allowing to:
Anna Bridge 186:707f6e361f3e 98 (+) Configure Noise Filters
<> 153:fa9ff456f731 99 (+) Configure Wake Up Feature
Anna Bridge 186:707f6e361f3e 100 (+) Configure Fast Mode Plus
<> 144:ef7eb2e8f9f7 101
<> 144:ef7eb2e8f9f7 102 @endverbatim
<> 144:ef7eb2e8f9f7 103 * @{
<> 144:ef7eb2e8f9f7 104 */
<> 153:fa9ff456f731 105
<> 144:ef7eb2e8f9f7 106 /**
<> 153:fa9ff456f731 107 * @brief Configure I2C Analog noise filter.
<> 153:fa9ff456f731 108 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 109 * the configuration information for the specified I2Cx peripheral.
<> 153:fa9ff456f731 110 * @param AnalogFilter New state of the Analog filter.
<> 144:ef7eb2e8f9f7 111 * @retval HAL status
<> 144:ef7eb2e8f9f7 112 */
<> 144:ef7eb2e8f9f7 113 HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter)
<> 144:ef7eb2e8f9f7 114 {
<> 144:ef7eb2e8f9f7 115 /* Check the parameters */
<> 144:ef7eb2e8f9f7 116 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
<> 144:ef7eb2e8f9f7 117 assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter));
<> 153:fa9ff456f731 118
Anna Bridge 186:707f6e361f3e 119 if (hi2c->State == HAL_I2C_STATE_READY)
<> 153:fa9ff456f731 120 {
<> 153:fa9ff456f731 121 /* Process Locked */
<> 153:fa9ff456f731 122 __HAL_LOCK(hi2c);
<> 153:fa9ff456f731 123
<> 153:fa9ff456f731 124 hi2c->State = HAL_I2C_STATE_BUSY;
<> 153:fa9ff456f731 125
<> 153:fa9ff456f731 126 /* Disable the selected I2C peripheral */
<> 153:fa9ff456f731 127 __HAL_I2C_DISABLE(hi2c);
<> 153:fa9ff456f731 128
<> 153:fa9ff456f731 129 /* Reset I2Cx ANOFF bit */
<> 153:fa9ff456f731 130 hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF);
<> 153:fa9ff456f731 131
<> 153:fa9ff456f731 132 /* Set analog filter bit*/
<> 153:fa9ff456f731 133 hi2c->Instance->CR1 |= AnalogFilter;
<> 153:fa9ff456f731 134
<> 153:fa9ff456f731 135 __HAL_I2C_ENABLE(hi2c);
<> 153:fa9ff456f731 136
<> 153:fa9ff456f731 137 hi2c->State = HAL_I2C_STATE_READY;
<> 153:fa9ff456f731 138
<> 153:fa9ff456f731 139 /* Process Unlocked */
<> 153:fa9ff456f731 140 __HAL_UNLOCK(hi2c);
<> 153:fa9ff456f731 141
<> 153:fa9ff456f731 142 return HAL_OK;
<> 153:fa9ff456f731 143 }
<> 153:fa9ff456f731 144 else
<> 144:ef7eb2e8f9f7 145 {
<> 144:ef7eb2e8f9f7 146 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 147 }
<> 144:ef7eb2e8f9f7 148 }
<> 144:ef7eb2e8f9f7 149
<> 144:ef7eb2e8f9f7 150 /**
<> 153:fa9ff456f731 151 * @brief Configure I2C Digital noise filter.
<> 153:fa9ff456f731 152 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 153 * the configuration information for the specified I2Cx peripheral.
<> 153:fa9ff456f731 154 * @param DigitalFilter Coefficient of digital noise filter between Min_Data=0x00 and Max_Data=0x0F.
<> 144:ef7eb2e8f9f7 155 * @retval HAL status
<> 144:ef7eb2e8f9f7 156 */
<> 144:ef7eb2e8f9f7 157 HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter)
<> 144:ef7eb2e8f9f7 158 {
<> 151:5eaa88a5bcc7 159 uint32_t tmpreg = 0U;
<> 153:fa9ff456f731 160
<> 144:ef7eb2e8f9f7 161 /* Check the parameters */
<> 144:ef7eb2e8f9f7 162 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
<> 144:ef7eb2e8f9f7 163 assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter));
<> 153:fa9ff456f731 164
Anna Bridge 186:707f6e361f3e 165 if (hi2c->State == HAL_I2C_STATE_READY)
<> 153:fa9ff456f731 166 {
<> 153:fa9ff456f731 167 /* Process Locked */
<> 153:fa9ff456f731 168 __HAL_LOCK(hi2c);
<> 153:fa9ff456f731 169
<> 153:fa9ff456f731 170 hi2c->State = HAL_I2C_STATE_BUSY;
<> 153:fa9ff456f731 171
<> 153:fa9ff456f731 172 /* Disable the selected I2C peripheral */
<> 153:fa9ff456f731 173 __HAL_I2C_DISABLE(hi2c);
<> 153:fa9ff456f731 174
<> 153:fa9ff456f731 175 /* Get the old register value */
<> 153:fa9ff456f731 176 tmpreg = hi2c->Instance->CR1;
<> 153:fa9ff456f731 177
<> 153:fa9ff456f731 178 /* Reset I2Cx DNF bits [11:8] */
<> 153:fa9ff456f731 179 tmpreg &= ~(I2C_CR1_DNF);
<> 153:fa9ff456f731 180
<> 153:fa9ff456f731 181 /* Set I2Cx DNF coefficient */
<> 153:fa9ff456f731 182 tmpreg |= DigitalFilter << 8U;
<> 153:fa9ff456f731 183
<> 153:fa9ff456f731 184 /* Store the new register value */
<> 153:fa9ff456f731 185 hi2c->Instance->CR1 = tmpreg;
<> 153:fa9ff456f731 186
<> 153:fa9ff456f731 187 __HAL_I2C_ENABLE(hi2c);
<> 153:fa9ff456f731 188
<> 153:fa9ff456f731 189 hi2c->State = HAL_I2C_STATE_READY;
<> 153:fa9ff456f731 190
<> 153:fa9ff456f731 191 /* Process Unlocked */
<> 153:fa9ff456f731 192 __HAL_UNLOCK(hi2c);
<> 153:fa9ff456f731 193
<> 153:fa9ff456f731 194 return HAL_OK;
<> 153:fa9ff456f731 195 }
<> 153:fa9ff456f731 196 else
<> 144:ef7eb2e8f9f7 197 {
<> 144:ef7eb2e8f9f7 198 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 199 }
<> 153:fa9ff456f731 200 }
<> 144:ef7eb2e8f9f7 201
<> 144:ef7eb2e8f9f7 202 /**
Anna Bridge 186:707f6e361f3e 203 * @brief Enable I2C wakeup from Stop mode(s).
<> 153:fa9ff456f731 204 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 205 * the configuration information for the specified I2Cx peripheral.
<> 144:ef7eb2e8f9f7 206 * @retval HAL status
<> 144:ef7eb2e8f9f7 207 */
Anna Bridge 186:707f6e361f3e 208 HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp(I2C_HandleTypeDef *hi2c)
<> 144:ef7eb2e8f9f7 209 {
<> 144:ef7eb2e8f9f7 210 /* Check the parameters */
<> 151:5eaa88a5bcc7 211 assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
<> 153:fa9ff456f731 212
Anna Bridge 186:707f6e361f3e 213 if (hi2c->State == HAL_I2C_STATE_READY)
<> 153:fa9ff456f731 214 {
<> 153:fa9ff456f731 215 /* Process Locked */
<> 153:fa9ff456f731 216 __HAL_LOCK(hi2c);
<> 153:fa9ff456f731 217
<> 153:fa9ff456f731 218 hi2c->State = HAL_I2C_STATE_BUSY;
<> 153:fa9ff456f731 219
<> 153:fa9ff456f731 220 /* Disable the selected I2C peripheral */
<> 153:fa9ff456f731 221 __HAL_I2C_DISABLE(hi2c);
<> 153:fa9ff456f731 222
<> 153:fa9ff456f731 223 /* Enable wakeup from stop mode */
<> 153:fa9ff456f731 224 hi2c->Instance->CR1 |= I2C_CR1_WUPEN;
<> 153:fa9ff456f731 225
<> 153:fa9ff456f731 226 __HAL_I2C_ENABLE(hi2c);
<> 153:fa9ff456f731 227
<> 153:fa9ff456f731 228 hi2c->State = HAL_I2C_STATE_READY;
<> 153:fa9ff456f731 229
<> 153:fa9ff456f731 230 /* Process Unlocked */
<> 153:fa9ff456f731 231 __HAL_UNLOCK(hi2c);
<> 153:fa9ff456f731 232
<> 153:fa9ff456f731 233 return HAL_OK;
<> 153:fa9ff456f731 234 }
<> 153:fa9ff456f731 235 else
<> 144:ef7eb2e8f9f7 236 {
<> 144:ef7eb2e8f9f7 237 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 238 }
<> 153:fa9ff456f731 239 }
<> 144:ef7eb2e8f9f7 240
<> 144:ef7eb2e8f9f7 241 /**
Anna Bridge 186:707f6e361f3e 242 * @brief Disable I2C wakeup from Stop mode(s).
<> 153:fa9ff456f731 243 * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 244 * the configuration information for the specified I2Cx peripheral.
<> 144:ef7eb2e8f9f7 245 * @retval HAL status
<> 144:ef7eb2e8f9f7 246 */
Anna Bridge 186:707f6e361f3e 247 HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp(I2C_HandleTypeDef *hi2c)
<> 144:ef7eb2e8f9f7 248 {
<> 144:ef7eb2e8f9f7 249 /* Check the parameters */
<> 151:5eaa88a5bcc7 250 assert_param(IS_I2C_WAKEUP_FROMSTOP_INSTANCE(hi2c->Instance));
<> 153:fa9ff456f731 251
Anna Bridge 186:707f6e361f3e 252 if (hi2c->State == HAL_I2C_STATE_READY)
<> 153:fa9ff456f731 253 {
<> 153:fa9ff456f731 254 /* Process Locked */
<> 153:fa9ff456f731 255 __HAL_LOCK(hi2c);
<> 153:fa9ff456f731 256
<> 153:fa9ff456f731 257 hi2c->State = HAL_I2C_STATE_BUSY;
<> 153:fa9ff456f731 258
<> 153:fa9ff456f731 259 /* Disable the selected I2C peripheral */
<> 153:fa9ff456f731 260 __HAL_I2C_DISABLE(hi2c);
<> 153:fa9ff456f731 261
<> 153:fa9ff456f731 262 /* Enable wakeup from stop mode */
<> 153:fa9ff456f731 263 hi2c->Instance->CR1 &= ~(I2C_CR1_WUPEN);
<> 153:fa9ff456f731 264
Anna Bridge 186:707f6e361f3e 265 __HAL_I2C_ENABLE(hi2c);
<> 153:fa9ff456f731 266
<> 153:fa9ff456f731 267 hi2c->State = HAL_I2C_STATE_READY;
<> 153:fa9ff456f731 268
<> 153:fa9ff456f731 269 /* Process Unlocked */
<> 153:fa9ff456f731 270 __HAL_UNLOCK(hi2c);
<> 153:fa9ff456f731 271
<> 153:fa9ff456f731 272 return HAL_OK;
<> 153:fa9ff456f731 273 }
<> 153:fa9ff456f731 274 else
<> 144:ef7eb2e8f9f7 275 {
<> 144:ef7eb2e8f9f7 276 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 277 }
<> 153:fa9ff456f731 278 }
<> 144:ef7eb2e8f9f7 279
<> 144:ef7eb2e8f9f7 280 /**
<> 144:ef7eb2e8f9f7 281 * @brief Enable the I2C fast mode plus driving capability.
<> 153:fa9ff456f731 282 * @param ConfigFastModePlus Selects the pin.
<> 144:ef7eb2e8f9f7 283 * This parameter can be one of the @ref I2CEx_FastModePlus values
<> 144:ef7eb2e8f9f7 284 * @note For I2C1, fast mode plus driving capability can be enabled on all selected
<> 144:ef7eb2e8f9f7 285 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
<> 144:ef7eb2e8f9f7 286 * on each one of the following pins PB6, PB7, PB8 and PB9.
<> 144:ef7eb2e8f9f7 287 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
<> 144:ef7eb2e8f9f7 288 * can be enabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
<> 144:ef7eb2e8f9f7 289 * @note For all I2C2 pins fast mode plus driving capability can be enabled
<> 144:ef7eb2e8f9f7 290 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
<> 144:ef7eb2e8f9f7 291 * @note For all I2C3 pins fast mode plus driving capability can be enabled
<> 144:ef7eb2e8f9f7 292 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
<> 144:ef7eb2e8f9f7 293 * @retval None
<> 144:ef7eb2e8f9f7 294 */
<> 144:ef7eb2e8f9f7 295 void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
<> 144:ef7eb2e8f9f7 296 {
<> 144:ef7eb2e8f9f7 297 /* Check the parameter */
<> 144:ef7eb2e8f9f7 298 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
<> 153:fa9ff456f731 299
<> 144:ef7eb2e8f9f7 300 /* Enable SYSCFG clock */
<> 144:ef7eb2e8f9f7 301 __HAL_RCC_SYSCFG_CLK_ENABLE();
<> 153:fa9ff456f731 302
<> 144:ef7eb2e8f9f7 303 /* Enable fast mode plus driving capability for selected pin */
<> 153:fa9ff456f731 304 SET_BIT(SYSCFG->CFGR2, (uint32_t)ConfigFastModePlus);
<> 144:ef7eb2e8f9f7 305 }
<> 144:ef7eb2e8f9f7 306
<> 144:ef7eb2e8f9f7 307 /**
<> 144:ef7eb2e8f9f7 308 * @brief Disable the I2C fast mode plus driving capability.
<> 153:fa9ff456f731 309 * @param ConfigFastModePlus Selects the pin.
<> 144:ef7eb2e8f9f7 310 * This parameter can be one of the @ref I2CEx_FastModePlus values
<> 144:ef7eb2e8f9f7 311 * @note For I2C1, fast mode plus driving capability can be disabled on all selected
<> 144:ef7eb2e8f9f7 312 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
<> 144:ef7eb2e8f9f7 313 * on each one of the following pins PB6, PB7, PB8 and PB9.
<> 144:ef7eb2e8f9f7 314 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
<> 144:ef7eb2e8f9f7 315 * can be disabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
<> 144:ef7eb2e8f9f7 316 * @note For all I2C2 pins fast mode plus driving capability can be disabled
<> 144:ef7eb2e8f9f7 317 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
<> 144:ef7eb2e8f9f7 318 * @note For all I2C3 pins fast mode plus driving capability can be disabled
<> 144:ef7eb2e8f9f7 319 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
<> 144:ef7eb2e8f9f7 320 * @retval None
<> 144:ef7eb2e8f9f7 321 */
<> 144:ef7eb2e8f9f7 322 void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
<> 144:ef7eb2e8f9f7 323 {
<> 144:ef7eb2e8f9f7 324 /* Check the parameter */
<> 144:ef7eb2e8f9f7 325 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
<> 153:fa9ff456f731 326
<> 144:ef7eb2e8f9f7 327 /* Enable SYSCFG clock */
<> 144:ef7eb2e8f9f7 328 __HAL_RCC_SYSCFG_CLK_ENABLE();
<> 144:ef7eb2e8f9f7 329
<> 144:ef7eb2e8f9f7 330 /* Disable fast mode plus driving capability for selected pin */
<> 153:fa9ff456f731 331 CLEAR_BIT(SYSCFG->CFGR2, (uint32_t)ConfigFastModePlus);
<> 144:ef7eb2e8f9f7 332 }
<> 144:ef7eb2e8f9f7 333
<> 144:ef7eb2e8f9f7 334 /**
<> 144:ef7eb2e8f9f7 335 * @}
<> 153:fa9ff456f731 336 */
<> 144:ef7eb2e8f9f7 337
<> 144:ef7eb2e8f9f7 338 /**
<> 144:ef7eb2e8f9f7 339 * @}
<> 144:ef7eb2e8f9f7 340 */
<> 144:ef7eb2e8f9f7 341
<> 144:ef7eb2e8f9f7 342 #endif /* HAL_I2C_MODULE_ENABLED */
<> 153:fa9ff456f731 343 /**
<> 153:fa9ff456f731 344 * @}
<> 153:fa9ff456f731 345 */
<> 144:ef7eb2e8f9f7 346
<> 144:ef7eb2e8f9f7 347 /**
<> 144:ef7eb2e8f9f7 348 * @}
<> 144:ef7eb2e8f9f7 349 */
<> 144:ef7eb2e8f9f7 350
<> 144:ef7eb2e8f9f7 351 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/