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Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_i2c_ex.c@579:53297373a894, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 09:45:11 2015 +0100
Revision:
579:53297373a894
Parent:
489:119543c9f674 
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081



Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/



Initial version of drivers for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 376:cb4d9db17537 1 /**
mbed_official 376:cb4d9db17537 2 ******************************************************************************
mbed_official 376:cb4d9db17537 3 * @file stm32l0xx_hal_i2c_ex.c
mbed_official 376:cb4d9db17537 4 * @author MCD Application Team
mbed_official 489:119543c9f674 5 * @version V1.2.0
mbed_official 489:119543c9f674 6 * @date 06-February-2015
mbed_official 489:119543c9f674 7 * @brief I2C Extended HAL module driver.
mbed_official 376:cb4d9db17537 8 * This file provides firmware functions to manage the following
mbed_official 489:119543c9f674 9 * functionalities of I2C Extended peripheral:
mbed_official 489:119543c9f674 10 * + Extended features functions
mbed_official 376:cb4d9db17537 11 *
mbed_official 376:cb4d9db17537 12 @verbatim
mbed_official 376:cb4d9db17537 13 ==============================================================================
mbed_official 489:119543c9f674 14 ##### I2C peripheral Extended features #####
mbed_official 376:cb4d9db17537 15 ==============================================================================
mbed_official 376:cb4d9db17537 16
mbed_official 376:cb4d9db17537 17 [..] Comparing to other previous devices, the I2C interface for STM32L0XX
mbed_official 376:cb4d9db17537 18 devices contains the following additional features
mbed_official 376:cb4d9db17537 19
mbed_official 376:cb4d9db17537 20 (+) Possibility to disable or enable Analog Noise Filter
mbed_official 376:cb4d9db17537 21 (+) Use of a configured Digital Noise Filter
mbed_official 376:cb4d9db17537 22 (+) Disable or enable wakeup from Stop mode
mbed_official 376:cb4d9db17537 23
mbed_official 376:cb4d9db17537 24 ##### How to use this driver #####
mbed_official 376:cb4d9db17537 25 ==============================================================================
mbed_official 376:cb4d9db17537 26 [..] This driver provides functions to configure Noise Filter
mbed_official 489:119543c9f674 27 (#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter()
mbed_official 489:119543c9f674 28 (#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter()
mbed_official 489:119543c9f674 29 (#) Configure the enable or disable of I2C Wake Up Mode using the functions :
mbed_official 489:119543c9f674 30 + HAL_I2CEx_EnableWakeUp()
mbed_official 489:119543c9f674 31 + HAL_I2CEx_DisableWakeUp()
mbed_official 489:119543c9f674 32 (#) Configure the enable or disable of fast mode plus driving capability using the functions :
mbed_official 489:119543c9f674 33 + HAL_I2CEx_EnableFastModePlus()
mbed_official 489:119543c9f674 34 + HAL_I2CEx_DisbleFastModePlus()
mbed_official 376:cb4d9db17537 35 @endverbatim
mbed_official 376:cb4d9db17537 36 ******************************************************************************
mbed_official 376:cb4d9db17537 37 * @attention
mbed_official 376:cb4d9db17537 38 *
mbed_official 489:119543c9f674 39 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
mbed_official 376:cb4d9db17537 40 *
mbed_official 376:cb4d9db17537 41 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 376:cb4d9db17537 42 * are permitted provided that the following conditions are met:
mbed_official 376:cb4d9db17537 43 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 376:cb4d9db17537 44 * this list of conditions and the following disclaimer.
mbed_official 376:cb4d9db17537 45 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 376:cb4d9db17537 46 * this list of conditions and the following disclaimer in the documentation
mbed_official 376:cb4d9db17537 47 * and/or other materials provided with the distribution.
mbed_official 376:cb4d9db17537 48 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 376:cb4d9db17537 49 * may be used to endorse or promote products derived from this software
mbed_official 376:cb4d9db17537 50 * without specific prior written permission.
mbed_official 376:cb4d9db17537 51 *
mbed_official 376:cb4d9db17537 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 376:cb4d9db17537 53 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 376:cb4d9db17537 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 376:cb4d9db17537 55 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 376:cb4d9db17537 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 376:cb4d9db17537 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 376:cb4d9db17537 58 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 376:cb4d9db17537 59 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 376:cb4d9db17537 60 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 376:cb4d9db17537 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 376:cb4d9db17537 62 *
mbed_official 376:cb4d9db17537 63 ******************************************************************************
mbed_official 376:cb4d9db17537 64 */
mbed_official 376:cb4d9db17537 65
mbed_official 376:cb4d9db17537 66 /* Includes ------------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 67 #include "stm32l0xx_hal.h"
mbed_official 376:cb4d9db17537 68
mbed_official 376:cb4d9db17537 69 /** @addtogroup STM32L0xx_HAL_Driver
mbed_official 376:cb4d9db17537 70 * @{
mbed_official 376:cb4d9db17537 71 */
mbed_official 376:cb4d9db17537 72
mbed_official 489:119543c9f674 73 /** @defgroup I2CEx I2C Extended HAL module driver
mbed_official 489:119543c9f674 74 * @brief I2C Extended HAL module driver
mbed_official 376:cb4d9db17537 75 * @{
mbed_official 376:cb4d9db17537 76 */
mbed_official 376:cb4d9db17537 77
mbed_official 376:cb4d9db17537 78 #ifdef HAL_I2C_MODULE_ENABLED
mbed_official 376:cb4d9db17537 79
mbed_official 376:cb4d9db17537 80 /* Private typedef -----------------------------------------------------------*/
mbed_official 376:cb4d9db17537 81 /* Private define ------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 82 /* Private macro -------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 83 /* Private variables ---------------------------------------------------------*/
mbed_official 376:cb4d9db17537 84 /* Private function prototypes -----------------------------------------------*/
mbed_official 376:cb4d9db17537 85 /* Private functions ---------------------------------------------------------*/
mbed_official 376:cb4d9db17537 86
mbed_official 489:119543c9f674 87 /** @defgroup I2CEx_Exported_Functions I2C Extended Exported Functions
mbed_official 376:cb4d9db17537 88 * @{
mbed_official 376:cb4d9db17537 89 */
mbed_official 376:cb4d9db17537 90
mbed_official 489:119543c9f674 91 /** @defgroup I2CEx_Exported_Functions_Group1 Extended features functions
mbed_official 489:119543c9f674 92 * @brief Extended features functions
mbed_official 376:cb4d9db17537 93 *
mbed_official 376:cb4d9db17537 94 @verbatim
mbed_official 376:cb4d9db17537 95 ===============================================================================
mbed_official 489:119543c9f674 96 ##### Extended features functions #####
mbed_official 376:cb4d9db17537 97 ===============================================================================
mbed_official 376:cb4d9db17537 98 [..] This section provides functions allowing to:
mbed_official 376:cb4d9db17537 99 (+) Configure Noise Filters
mbed_official 376:cb4d9db17537 100
mbed_official 376:cb4d9db17537 101 @endverbatim
mbed_official 376:cb4d9db17537 102 * @{
mbed_official 376:cb4d9db17537 103 */
mbed_official 376:cb4d9db17537 104
mbed_official 376:cb4d9db17537 105 /**
mbed_official 376:cb4d9db17537 106 * @brief Configures I2C Analog noise filter.
mbed_official 376:cb4d9db17537 107 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
mbed_official 376:cb4d9db17537 108 * the configuration information for the specified I2Cx peripheral.
mbed_official 376:cb4d9db17537 109 * @param AnalogFilter : new state of the Analog filter.
mbed_official 376:cb4d9db17537 110 * @retval HAL status
mbed_official 376:cb4d9db17537 111 */
mbed_official 489:119543c9f674 112 HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter)
mbed_official 376:cb4d9db17537 113 {
mbed_official 376:cb4d9db17537 114 /* Check the parameters */
mbed_official 376:cb4d9db17537 115 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
mbed_official 376:cb4d9db17537 116 assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter));
mbed_official 376:cb4d9db17537 117
mbed_official 376:cb4d9db17537 118 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
mbed_official 376:cb4d9db17537 119 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
mbed_official 376:cb4d9db17537 120 {
mbed_official 376:cb4d9db17537 121 return HAL_BUSY;
mbed_official 376:cb4d9db17537 122 }
mbed_official 376:cb4d9db17537 123
mbed_official 376:cb4d9db17537 124 /* Process Locked */
mbed_official 376:cb4d9db17537 125 __HAL_LOCK(hi2c);
mbed_official 376:cb4d9db17537 126
mbed_official 376:cb4d9db17537 127 hi2c->State = HAL_I2C_STATE_BUSY;
mbed_official 376:cb4d9db17537 128
mbed_official 376:cb4d9db17537 129 /* Disable the selected I2C peripheral */
mbed_official 376:cb4d9db17537 130 __HAL_I2C_DISABLE(hi2c);
mbed_official 376:cb4d9db17537 131
mbed_official 376:cb4d9db17537 132 /* Reset I2Cx ANOFF bit */
mbed_official 376:cb4d9db17537 133 hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF);
mbed_official 376:cb4d9db17537 134
mbed_official 376:cb4d9db17537 135 /* Set analog filter bit*/
mbed_official 376:cb4d9db17537 136 hi2c->Instance->CR1 |= AnalogFilter;
mbed_official 376:cb4d9db17537 137
mbed_official 376:cb4d9db17537 138 __HAL_I2C_ENABLE(hi2c);
mbed_official 376:cb4d9db17537 139
mbed_official 376:cb4d9db17537 140 hi2c->State = HAL_I2C_STATE_READY;
mbed_official 376:cb4d9db17537 141
mbed_official 376:cb4d9db17537 142 /* Process Unlocked */
mbed_official 376:cb4d9db17537 143 __HAL_UNLOCK(hi2c);
mbed_official 376:cb4d9db17537 144
mbed_official 376:cb4d9db17537 145 return HAL_OK;
mbed_official 376:cb4d9db17537 146 }
mbed_official 376:cb4d9db17537 147
mbed_official 376:cb4d9db17537 148 /**
mbed_official 376:cb4d9db17537 149 * @brief Configures I2C Digital noise filter.
mbed_official 376:cb4d9db17537 150 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
mbed_official 376:cb4d9db17537 151 * the configuration information for the specified I2Cx peripheral.
mbed_official 376:cb4d9db17537 152 * @param DigitalFilter : Coefficient of digital noise filter between 0x00 and 0x0F.
mbed_official 376:cb4d9db17537 153 * @retval HAL status
mbed_official 376:cb4d9db17537 154 */
mbed_official 489:119543c9f674 155 HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter)
mbed_official 376:cb4d9db17537 156 {
mbed_official 376:cb4d9db17537 157 uint32_t tmpreg = 0;
mbed_official 376:cb4d9db17537 158
mbed_official 376:cb4d9db17537 159 /* Check the parameters */
mbed_official 376:cb4d9db17537 160 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
mbed_official 376:cb4d9db17537 161 assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter));
mbed_official 376:cb4d9db17537 162
mbed_official 376:cb4d9db17537 163 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
mbed_official 376:cb4d9db17537 164 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
mbed_official 376:cb4d9db17537 165 {
mbed_official 376:cb4d9db17537 166 return HAL_BUSY;
mbed_official 376:cb4d9db17537 167 }
mbed_official 376:cb4d9db17537 168
mbed_official 376:cb4d9db17537 169 /* Process Locked */
mbed_official 376:cb4d9db17537 170 __HAL_LOCK(hi2c);
mbed_official 376:cb4d9db17537 171
mbed_official 376:cb4d9db17537 172 hi2c->State = HAL_I2C_STATE_BUSY;
mbed_official 376:cb4d9db17537 173
mbed_official 376:cb4d9db17537 174 /* Disable the selected I2C peripheral */
mbed_official 376:cb4d9db17537 175 __HAL_I2C_DISABLE(hi2c);
mbed_official 376:cb4d9db17537 176
mbed_official 376:cb4d9db17537 177 /* Get the old register value */
mbed_official 376:cb4d9db17537 178 tmpreg = hi2c->Instance->CR1;
mbed_official 376:cb4d9db17537 179
mbed_official 376:cb4d9db17537 180 /* Reset I2Cx DNF bits [11:8] */
mbed_official 376:cb4d9db17537 181 tmpreg &= ~(I2C_CR1_DFN);
mbed_official 376:cb4d9db17537 182
mbed_official 376:cb4d9db17537 183 /* Set I2Cx DNF coefficient */
mbed_official 376:cb4d9db17537 184 tmpreg |= DigitalFilter << 8;
mbed_official 376:cb4d9db17537 185
mbed_official 376:cb4d9db17537 186 /* Store the new register value */
mbed_official 376:cb4d9db17537 187 hi2c->Instance->CR1 = tmpreg;
mbed_official 376:cb4d9db17537 188
mbed_official 376:cb4d9db17537 189 __HAL_I2C_ENABLE(hi2c);
mbed_official 376:cb4d9db17537 190
mbed_official 376:cb4d9db17537 191 hi2c->State = HAL_I2C_STATE_READY;
mbed_official 376:cb4d9db17537 192
mbed_official 376:cb4d9db17537 193 /* Process Unlocked */
mbed_official 376:cb4d9db17537 194 __HAL_UNLOCK(hi2c);
mbed_official 376:cb4d9db17537 195
mbed_official 376:cb4d9db17537 196 return HAL_OK;
mbed_official 376:cb4d9db17537 197 }
mbed_official 376:cb4d9db17537 198
mbed_official 376:cb4d9db17537 199 /**
mbed_official 376:cb4d9db17537 200 * @brief Enables I2C wakeup from stop mode.
mbed_official 376:cb4d9db17537 201 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
mbed_official 376:cb4d9db17537 202 * the configuration information for the specified I2Cx peripheral.
mbed_official 376:cb4d9db17537 203 * @retval HAL status
mbed_official 376:cb4d9db17537 204 */
mbed_official 376:cb4d9db17537 205 HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp (I2C_HandleTypeDef *hi2c)
mbed_official 376:cb4d9db17537 206 {
mbed_official 376:cb4d9db17537 207 /* Check the parameters */
mbed_official 376:cb4d9db17537 208 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
mbed_official 376:cb4d9db17537 209
mbed_official 376:cb4d9db17537 210 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
mbed_official 376:cb4d9db17537 211 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
mbed_official 376:cb4d9db17537 212 {
mbed_official 376:cb4d9db17537 213 return HAL_BUSY;
mbed_official 376:cb4d9db17537 214 }
mbed_official 376:cb4d9db17537 215
mbed_official 376:cb4d9db17537 216 /* Process Locked */
mbed_official 376:cb4d9db17537 217 __HAL_LOCK(hi2c);
mbed_official 376:cb4d9db17537 218
mbed_official 376:cb4d9db17537 219 hi2c->State = HAL_I2C_STATE_BUSY;
mbed_official 376:cb4d9db17537 220
mbed_official 376:cb4d9db17537 221 /* Disable the selected I2C peripheral */
mbed_official 376:cb4d9db17537 222 __HAL_I2C_DISABLE(hi2c);
mbed_official 376:cb4d9db17537 223
mbed_official 376:cb4d9db17537 224 /* Enable wakeup from stop mode */
mbed_official 376:cb4d9db17537 225 hi2c->Instance->CR1 |= I2C_CR1_WUPEN;
mbed_official 376:cb4d9db17537 226
mbed_official 376:cb4d9db17537 227 __HAL_I2C_ENABLE(hi2c);
mbed_official 376:cb4d9db17537 228
mbed_official 376:cb4d9db17537 229 hi2c->State = HAL_I2C_STATE_READY;
mbed_official 376:cb4d9db17537 230
mbed_official 376:cb4d9db17537 231 /* Process Unlocked */
mbed_official 376:cb4d9db17537 232 __HAL_UNLOCK(hi2c);
mbed_official 376:cb4d9db17537 233
mbed_official 376:cb4d9db17537 234 return HAL_OK;
mbed_official 376:cb4d9db17537 235 }
mbed_official 376:cb4d9db17537 236
mbed_official 376:cb4d9db17537 237
mbed_official 376:cb4d9db17537 238 /**
mbed_official 376:cb4d9db17537 239 * @brief Disables I2C wakeup from stop mode.
mbed_official 376:cb4d9db17537 240 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
mbed_official 376:cb4d9db17537 241 * the configuration information for the specified I2Cx peripheral.
mbed_official 376:cb4d9db17537 242 * @retval HAL status
mbed_official 376:cb4d9db17537 243 */
mbed_official 376:cb4d9db17537 244 HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp (I2C_HandleTypeDef *hi2c)
mbed_official 376:cb4d9db17537 245 {
mbed_official 376:cb4d9db17537 246 /* Check the parameters */
mbed_official 376:cb4d9db17537 247 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
mbed_official 376:cb4d9db17537 248
mbed_official 376:cb4d9db17537 249 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
mbed_official 376:cb4d9db17537 250 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
mbed_official 376:cb4d9db17537 251 {
mbed_official 376:cb4d9db17537 252 return HAL_BUSY;
mbed_official 376:cb4d9db17537 253 }
mbed_official 376:cb4d9db17537 254
mbed_official 376:cb4d9db17537 255 /* Process Locked */
mbed_official 376:cb4d9db17537 256 __HAL_LOCK(hi2c);
mbed_official 376:cb4d9db17537 257
mbed_official 376:cb4d9db17537 258 hi2c->State = HAL_I2C_STATE_BUSY;
mbed_official 376:cb4d9db17537 259
mbed_official 376:cb4d9db17537 260 /* Disable the selected I2C peripheral */
mbed_official 376:cb4d9db17537 261 __HAL_I2C_DISABLE(hi2c);
mbed_official 376:cb4d9db17537 262
mbed_official 376:cb4d9db17537 263 /* Enable wakeup from stop mode */
mbed_official 376:cb4d9db17537 264 hi2c->Instance->CR1 &= ~(I2C_CR1_WUPEN);
mbed_official 376:cb4d9db17537 265
mbed_official 376:cb4d9db17537 266 __HAL_I2C_ENABLE(hi2c);
mbed_official 376:cb4d9db17537 267
mbed_official 376:cb4d9db17537 268 hi2c->State = HAL_I2C_STATE_READY;
mbed_official 376:cb4d9db17537 269
mbed_official 376:cb4d9db17537 270 /* Process Unlocked */
mbed_official 376:cb4d9db17537 271 __HAL_UNLOCK(hi2c);
mbed_official 376:cb4d9db17537 272
mbed_official 376:cb4d9db17537 273 return HAL_OK;
mbed_official 376:cb4d9db17537 274 }
mbed_official 376:cb4d9db17537 275
mbed_official 376:cb4d9db17537 276 /**
mbed_official 489:119543c9f674 277 * @brief Enable the I2C fast mode plus driving capability.
mbed_official 489:119543c9f674 278 * @param ConfigFastModePlus: selects the pin.
mbed_official 489:119543c9f674 279 * This parameter can be one of the @ref I2CEx_FastModePlus values
mbed_official 489:119543c9f674 280 * @note For I2C1, fast mode plus driving capability can be enabled on all selected
mbed_official 489:119543c9f674 281 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
mbed_official 489:119543c9f674 282 * on each one of the following pins PB6, PB7, PB8 and PB9.
mbed_official 489:119543c9f674 283 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
mbed_official 489:119543c9f674 284 * can be enabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
mbed_official 489:119543c9f674 285 * @note For all I2C2 pins fast mode plus driving capability can be enabled
mbed_official 489:119543c9f674 286 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
mbed_official 489:119543c9f674 287 * @note For all I2C3 pins fast mode plus driving capability can be enabled
mbed_official 489:119543c9f674 288 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
mbed_official 489:119543c9f674 289 * @retval None
mbed_official 489:119543c9f674 290 */
mbed_official 489:119543c9f674 291 void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
mbed_official 489:119543c9f674 292 {
mbed_official 489:119543c9f674 293 /* Check the parameter */
mbed_official 489:119543c9f674 294 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
mbed_official 489:119543c9f674 295
mbed_official 489:119543c9f674 296 /* Enable SYSCFG clock */
mbed_official 489:119543c9f674 297 __HAL_RCC_SYSCFG_CLK_ENABLE();
mbed_official 489:119543c9f674 298
mbed_official 489:119543c9f674 299 /* Enable fast mode plus driving capability for selected pin */
mbed_official 489:119543c9f674 300 SET_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
mbed_official 489:119543c9f674 301 }
mbed_official 489:119543c9f674 302
mbed_official 489:119543c9f674 303 /**
mbed_official 489:119543c9f674 304 * @brief Disable the I2C fast mode plus driving capability.
mbed_official 489:119543c9f674 305 * @param ConfigFastModePlus: selects the pin.
mbed_official 489:119543c9f674 306 * This parameter can be one of the @ref I2CEx_FastModePlus values
mbed_official 489:119543c9f674 307 * @note For I2C1, fast mode plus driving capability can be disabled on all selected
mbed_official 489:119543c9f674 308 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
mbed_official 489:119543c9f674 309 * on each one of the following pins PB6, PB7, PB8 and PB9.
mbed_official 489:119543c9f674 310 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
mbed_official 489:119543c9f674 311 * can be disabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
mbed_official 489:119543c9f674 312 * @note For all I2C2 pins fast mode plus driving capability can be disabled
mbed_official 489:119543c9f674 313 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
mbed_official 489:119543c9f674 314 * @note For all I2C3 pins fast mode plus driving capability can be disabled
mbed_official 489:119543c9f674 315 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
mbed_official 489:119543c9f674 316 * @retval None
mbed_official 489:119543c9f674 317 */
mbed_official 489:119543c9f674 318 void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
mbed_official 489:119543c9f674 319 {
mbed_official 489:119543c9f674 320 /* Check the parameter */
mbed_official 489:119543c9f674 321 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
mbed_official 489:119543c9f674 322
mbed_official 489:119543c9f674 323 /* Enable SYSCFG clock */
mbed_official 489:119543c9f674 324 __HAL_RCC_SYSCFG_CLK_ENABLE();
mbed_official 489:119543c9f674 325
mbed_official 489:119543c9f674 326 /* Disable fast mode plus driving capability for selected pin */
mbed_official 489:119543c9f674 327 CLEAR_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
mbed_official 489:119543c9f674 328 }
mbed_official 489:119543c9f674 329
mbed_official 489:119543c9f674 330 /**
mbed_official 376:cb4d9db17537 331 * @}
mbed_official 376:cb4d9db17537 332 */
mbed_official 376:cb4d9db17537 333
mbed_official 376:cb4d9db17537 334 /**
mbed_official 376:cb4d9db17537 335 * @}
mbed_official 376:cb4d9db17537 336 */
mbed_official 376:cb4d9db17537 337
mbed_official 376:cb4d9db17537 338 #endif /* HAL_I2C_MODULE_ENABLED */
mbed_official 376:cb4d9db17537 339 /**
mbed_official 376:cb4d9db17537 340 * @}
mbed_official 376:cb4d9db17537 341 */
mbed_official 376:cb4d9db17537 342
mbed_official 376:cb4d9db17537 343 /**
mbed_official 376:cb4d9db17537 344 * @}
mbed_official 376:cb4d9db17537 345 */
mbed_official 376:cb4d9db17537 346
mbed_official 376:cb4d9db17537 347 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
mbed_official 489:119543c9f674 348