en 129 / mbed-dev

fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_i2c_ex.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
113:b3775bf36a83
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /**
bogdanm 0:9b334a45a8ff 2 ******************************************************************************
bogdanm 0:9b334a45a8ff 3 * @file stm32l0xx_hal_i2c_ex.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
bogdanm 0:9b334a45a8ff 5 * @version V1.2.0
bogdanm 0:9b334a45a8ff 6 * @date 06-February-2015
bogdanm 0:9b334a45a8ff 7 * @brief I2C Extended HAL module driver.
bogdanm 0:9b334a45a8ff 8 * This file provides firmware functions to manage the following
bogdanm 0:9b334a45a8ff 9 * functionalities of I2C Extended peripheral:
bogdanm 0:9b334a45a8ff 10 * + Extended features functions
bogdanm 0:9b334a45a8ff 11 *
bogdanm 0:9b334a45a8ff 12 @verbatim
bogdanm 0:9b334a45a8ff 13 ==============================================================================
bogdanm 0:9b334a45a8ff 14 ##### I2C peripheral Extended features #####
bogdanm 0:9b334a45a8ff 15 ==============================================================================
bogdanm 0:9b334a45a8ff 16
bogdanm 0:9b334a45a8ff 17 [..] Comparing to other previous devices, the I2C interface for STM32L0XX
bogdanm 0:9b334a45a8ff 18 devices contains the following additional features
bogdanm 0:9b334a45a8ff 19
bogdanm 0:9b334a45a8ff 20 (+) Possibility to disable or enable Analog Noise Filter
bogdanm 0:9b334a45a8ff 21 (+) Use of a configured Digital Noise Filter
bogdanm 0:9b334a45a8ff 22 (+) Disable or enable wakeup from Stop mode
bogdanm 0:9b334a45a8ff 23
bogdanm 0:9b334a45a8ff 24 ##### How to use this driver #####
bogdanm 0:9b334a45a8ff 25 ==============================================================================
bogdanm 0:9b334a45a8ff 26 [..] This driver provides functions to configure Noise Filter
bogdanm 0:9b334a45a8ff 27 (#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter()
bogdanm 0:9b334a45a8ff 28 (#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter()
bogdanm 0:9b334a45a8ff 29 (#) Configure the enable or disable of I2C Wake Up Mode using the functions :
bogdanm 0:9b334a45a8ff 30 + HAL_I2CEx_EnableWakeUp()
bogdanm 0:9b334a45a8ff 31 + HAL_I2CEx_DisableWakeUp()
bogdanm 0:9b334a45a8ff 32 (#) Configure the enable or disable of fast mode plus driving capability using the functions :
bogdanm 0:9b334a45a8ff 33 + HAL_I2CEx_EnableFastModePlus()
bogdanm 0:9b334a45a8ff 34 + HAL_I2CEx_DisbleFastModePlus()
bogdanm 0:9b334a45a8ff 35 @endverbatim
bogdanm 0:9b334a45a8ff 36 ******************************************************************************
bogdanm 0:9b334a45a8ff 37 * @attention
bogdanm 0:9b334a45a8ff 38 *
bogdanm 0:9b334a45a8ff 39 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 40 *
bogdanm 0:9b334a45a8ff 41 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 42 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 43 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 44 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 45 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 46 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 47 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 48 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 49 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 50 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 51 *
bogdanm 0:9b334a45a8ff 52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 53 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 55 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 58 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 59 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 60 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 62 *
bogdanm 0:9b334a45a8ff 63 ******************************************************************************
bogdanm 0:9b334a45a8ff 64 */
bogdanm 0:9b334a45a8ff 65
bogdanm 0:9b334a45a8ff 66 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 67 #include "stm32l0xx_hal.h"
bogdanm 0:9b334a45a8ff 68
bogdanm 0:9b334a45a8ff 69 /** @addtogroup STM32L0xx_HAL_Driver
bogdanm 0:9b334a45a8ff 70 * @{
bogdanm 0:9b334a45a8ff 71 */
bogdanm 0:9b334a45a8ff 72
bogdanm 0:9b334a45a8ff 73 /** @defgroup I2CEx I2C Extended HAL module driver
bogdanm 0:9b334a45a8ff 74 * @brief I2C Extended HAL module driver
bogdanm 0:9b334a45a8ff 75 * @{
bogdanm 0:9b334a45a8ff 76 */
bogdanm 0:9b334a45a8ff 77
bogdanm 0:9b334a45a8ff 78 #ifdef HAL_I2C_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 79
bogdanm 0:9b334a45a8ff 80 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 81 /* Private define ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 82 /* Private macro -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 83 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 84 /* Private function prototypes -----------------------------------------------*/
bogdanm 0:9b334a45a8ff 85 /* Private functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 86
bogdanm 0:9b334a45a8ff 87 /** @defgroup I2CEx_Exported_Functions I2C Extended Exported Functions
bogdanm 0:9b334a45a8ff 88 * @{
bogdanm 0:9b334a45a8ff 89 */
bogdanm 0:9b334a45a8ff 90
bogdanm 0:9b334a45a8ff 91 /** @defgroup I2CEx_Exported_Functions_Group1 Extended features functions
bogdanm 0:9b334a45a8ff 92 * @brief Extended features functions
bogdanm 0:9b334a45a8ff 93 *
bogdanm 0:9b334a45a8ff 94 @verbatim
bogdanm 0:9b334a45a8ff 95 ===============================================================================
bogdanm 0:9b334a45a8ff 96 ##### Extended features functions #####
bogdanm 0:9b334a45a8ff 97 ===============================================================================
bogdanm 0:9b334a45a8ff 98 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 99 (+) Configure Noise Filters
bogdanm 0:9b334a45a8ff 100
bogdanm 0:9b334a45a8ff 101 @endverbatim
bogdanm 0:9b334a45a8ff 102 * @{
bogdanm 0:9b334a45a8ff 103 */
bogdanm 0:9b334a45a8ff 104
bogdanm 0:9b334a45a8ff 105 /**
bogdanm 0:9b334a45a8ff 106 * @brief Configures I2C Analog noise filter.
bogdanm 0:9b334a45a8ff 107 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 108 * the configuration information for the specified I2Cx peripheral.
bogdanm 0:9b334a45a8ff 109 * @param AnalogFilter : new state of the Analog filter.
bogdanm 0:9b334a45a8ff 110 * @retval HAL status
bogdanm 0:9b334a45a8ff 111 */
bogdanm 0:9b334a45a8ff 112 HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter)
bogdanm 0:9b334a45a8ff 113 {
bogdanm 0:9b334a45a8ff 114 /* Check the parameters */
bogdanm 0:9b334a45a8ff 115 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
bogdanm 0:9b334a45a8ff 116 assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter));
bogdanm 0:9b334a45a8ff 117
bogdanm 0:9b334a45a8ff 118 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
bogdanm 0:9b334a45a8ff 119 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
bogdanm 0:9b334a45a8ff 120 {
bogdanm 0:9b334a45a8ff 121 return HAL_BUSY;
bogdanm 0:9b334a45a8ff 122 }
bogdanm 0:9b334a45a8ff 123
bogdanm 0:9b334a45a8ff 124 /* Process Locked */
bogdanm 0:9b334a45a8ff 125 __HAL_LOCK(hi2c);
bogdanm 0:9b334a45a8ff 126
bogdanm 0:9b334a45a8ff 127 hi2c->State = HAL_I2C_STATE_BUSY;
bogdanm 0:9b334a45a8ff 128
bogdanm 0:9b334a45a8ff 129 /* Disable the selected I2C peripheral */
bogdanm 0:9b334a45a8ff 130 __HAL_I2C_DISABLE(hi2c);
bogdanm 0:9b334a45a8ff 131
bogdanm 0:9b334a45a8ff 132 /* Reset I2Cx ANOFF bit */
bogdanm 0:9b334a45a8ff 133 hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF);
bogdanm 0:9b334a45a8ff 134
bogdanm 0:9b334a45a8ff 135 /* Set analog filter bit*/
bogdanm 0:9b334a45a8ff 136 hi2c->Instance->CR1 |= AnalogFilter;
bogdanm 0:9b334a45a8ff 137
bogdanm 0:9b334a45a8ff 138 __HAL_I2C_ENABLE(hi2c);
bogdanm 0:9b334a45a8ff 139
bogdanm 0:9b334a45a8ff 140 hi2c->State = HAL_I2C_STATE_READY;
bogdanm 0:9b334a45a8ff 141
bogdanm 0:9b334a45a8ff 142 /* Process Unlocked */
bogdanm 0:9b334a45a8ff 143 __HAL_UNLOCK(hi2c);
bogdanm 0:9b334a45a8ff 144
bogdanm 0:9b334a45a8ff 145 return HAL_OK;
bogdanm 0:9b334a45a8ff 146 }
bogdanm 0:9b334a45a8ff 147
bogdanm 0:9b334a45a8ff 148 /**
bogdanm 0:9b334a45a8ff 149 * @brief Configures I2C Digital noise filter.
bogdanm 0:9b334a45a8ff 150 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 151 * the configuration information for the specified I2Cx peripheral.
bogdanm 0:9b334a45a8ff 152 * @param DigitalFilter : Coefficient of digital noise filter between 0x00 and 0x0F.
bogdanm 0:9b334a45a8ff 153 * @retval HAL status
bogdanm 0:9b334a45a8ff 154 */
bogdanm 0:9b334a45a8ff 155 HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter)
bogdanm 0:9b334a45a8ff 156 {
bogdanm 0:9b334a45a8ff 157 uint32_t tmpreg = 0;
bogdanm 0:9b334a45a8ff 158
bogdanm 0:9b334a45a8ff 159 /* Check the parameters */
bogdanm 0:9b334a45a8ff 160 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
bogdanm 0:9b334a45a8ff 161 assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter));
bogdanm 0:9b334a45a8ff 162
bogdanm 0:9b334a45a8ff 163 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
bogdanm 0:9b334a45a8ff 164 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
bogdanm 0:9b334a45a8ff 165 {
bogdanm 0:9b334a45a8ff 166 return HAL_BUSY;
bogdanm 0:9b334a45a8ff 167 }
bogdanm 0:9b334a45a8ff 168
bogdanm 0:9b334a45a8ff 169 /* Process Locked */
bogdanm 0:9b334a45a8ff 170 __HAL_LOCK(hi2c);
bogdanm 0:9b334a45a8ff 171
bogdanm 0:9b334a45a8ff 172 hi2c->State = HAL_I2C_STATE_BUSY;
bogdanm 0:9b334a45a8ff 173
bogdanm 0:9b334a45a8ff 174 /* Disable the selected I2C peripheral */
bogdanm 0:9b334a45a8ff 175 __HAL_I2C_DISABLE(hi2c);
bogdanm 0:9b334a45a8ff 176
bogdanm 0:9b334a45a8ff 177 /* Get the old register value */
bogdanm 0:9b334a45a8ff 178 tmpreg = hi2c->Instance->CR1;
bogdanm 0:9b334a45a8ff 179
bogdanm 0:9b334a45a8ff 180 /* Reset I2Cx DNF bits [11:8] */
bogdanm 0:9b334a45a8ff 181 tmpreg &= ~(I2C_CR1_DFN);
bogdanm 0:9b334a45a8ff 182
bogdanm 0:9b334a45a8ff 183 /* Set I2Cx DNF coefficient */
bogdanm 0:9b334a45a8ff 184 tmpreg |= DigitalFilter << 8;
bogdanm 0:9b334a45a8ff 185
bogdanm 0:9b334a45a8ff 186 /* Store the new register value */
bogdanm 0:9b334a45a8ff 187 hi2c->Instance->CR1 = tmpreg;
bogdanm 0:9b334a45a8ff 188
bogdanm 0:9b334a45a8ff 189 __HAL_I2C_ENABLE(hi2c);
bogdanm 0:9b334a45a8ff 190
bogdanm 0:9b334a45a8ff 191 hi2c->State = HAL_I2C_STATE_READY;
bogdanm 0:9b334a45a8ff 192
bogdanm 0:9b334a45a8ff 193 /* Process Unlocked */
bogdanm 0:9b334a45a8ff 194 __HAL_UNLOCK(hi2c);
bogdanm 0:9b334a45a8ff 195
bogdanm 0:9b334a45a8ff 196 return HAL_OK;
bogdanm 0:9b334a45a8ff 197 }
bogdanm 0:9b334a45a8ff 198
bogdanm 0:9b334a45a8ff 199 /**
bogdanm 0:9b334a45a8ff 200 * @brief Enables I2C wakeup from stop mode.
bogdanm 0:9b334a45a8ff 201 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 202 * the configuration information for the specified I2Cx peripheral.
bogdanm 0:9b334a45a8ff 203 * @retval HAL status
bogdanm 0:9b334a45a8ff 204 */
bogdanm 0:9b334a45a8ff 205 HAL_StatusTypeDef HAL_I2CEx_EnableWakeUp (I2C_HandleTypeDef *hi2c)
bogdanm 0:9b334a45a8ff 206 {
bogdanm 0:9b334a45a8ff 207 /* Check the parameters */
bogdanm 0:9b334a45a8ff 208 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
bogdanm 0:9b334a45a8ff 209
bogdanm 0:9b334a45a8ff 210 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
bogdanm 0:9b334a45a8ff 211 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
bogdanm 0:9b334a45a8ff 212 {
bogdanm 0:9b334a45a8ff 213 return HAL_BUSY;
bogdanm 0:9b334a45a8ff 214 }
bogdanm 0:9b334a45a8ff 215
bogdanm 0:9b334a45a8ff 216 /* Process Locked */
bogdanm 0:9b334a45a8ff 217 __HAL_LOCK(hi2c);
bogdanm 0:9b334a45a8ff 218
bogdanm 0:9b334a45a8ff 219 hi2c->State = HAL_I2C_STATE_BUSY;
bogdanm 0:9b334a45a8ff 220
bogdanm 0:9b334a45a8ff 221 /* Disable the selected I2C peripheral */
bogdanm 0:9b334a45a8ff 222 __HAL_I2C_DISABLE(hi2c);
bogdanm 0:9b334a45a8ff 223
bogdanm 0:9b334a45a8ff 224 /* Enable wakeup from stop mode */
bogdanm 0:9b334a45a8ff 225 hi2c->Instance->CR1 |= I2C_CR1_WUPEN;
bogdanm 0:9b334a45a8ff 226
bogdanm 0:9b334a45a8ff 227 __HAL_I2C_ENABLE(hi2c);
bogdanm 0:9b334a45a8ff 228
bogdanm 0:9b334a45a8ff 229 hi2c->State = HAL_I2C_STATE_READY;
bogdanm 0:9b334a45a8ff 230
bogdanm 0:9b334a45a8ff 231 /* Process Unlocked */
bogdanm 0:9b334a45a8ff 232 __HAL_UNLOCK(hi2c);
bogdanm 0:9b334a45a8ff 233
bogdanm 0:9b334a45a8ff 234 return HAL_OK;
bogdanm 0:9b334a45a8ff 235 }
bogdanm 0:9b334a45a8ff 236
bogdanm 0:9b334a45a8ff 237
bogdanm 0:9b334a45a8ff 238 /**
bogdanm 0:9b334a45a8ff 239 * @brief Disables I2C wakeup from stop mode.
bogdanm 0:9b334a45a8ff 240 * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 241 * the configuration information for the specified I2Cx peripheral.
bogdanm 0:9b334a45a8ff 242 * @retval HAL status
bogdanm 0:9b334a45a8ff 243 */
bogdanm 0:9b334a45a8ff 244 HAL_StatusTypeDef HAL_I2CEx_DisableWakeUp (I2C_HandleTypeDef *hi2c)
bogdanm 0:9b334a45a8ff 245 {
bogdanm 0:9b334a45a8ff 246 /* Check the parameters */
bogdanm 0:9b334a45a8ff 247 assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance));
bogdanm 0:9b334a45a8ff 248
bogdanm 0:9b334a45a8ff 249 if((hi2c->State == HAL_I2C_STATE_BUSY) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX)
bogdanm 0:9b334a45a8ff 250 || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX))
bogdanm 0:9b334a45a8ff 251 {
bogdanm 0:9b334a45a8ff 252 return HAL_BUSY;
bogdanm 0:9b334a45a8ff 253 }
bogdanm 0:9b334a45a8ff 254
bogdanm 0:9b334a45a8ff 255 /* Process Locked */
bogdanm 0:9b334a45a8ff 256 __HAL_LOCK(hi2c);
bogdanm 0:9b334a45a8ff 257
bogdanm 0:9b334a45a8ff 258 hi2c->State = HAL_I2C_STATE_BUSY;
bogdanm 0:9b334a45a8ff 259
bogdanm 0:9b334a45a8ff 260 /* Disable the selected I2C peripheral */
bogdanm 0:9b334a45a8ff 261 __HAL_I2C_DISABLE(hi2c);
bogdanm 0:9b334a45a8ff 262
bogdanm 0:9b334a45a8ff 263 /* Enable wakeup from stop mode */
bogdanm 0:9b334a45a8ff 264 hi2c->Instance->CR1 &= ~(I2C_CR1_WUPEN);
bogdanm 0:9b334a45a8ff 265
bogdanm 0:9b334a45a8ff 266 __HAL_I2C_ENABLE(hi2c);
bogdanm 0:9b334a45a8ff 267
bogdanm 0:9b334a45a8ff 268 hi2c->State = HAL_I2C_STATE_READY;
bogdanm 0:9b334a45a8ff 269
bogdanm 0:9b334a45a8ff 270 /* Process Unlocked */
bogdanm 0:9b334a45a8ff 271 __HAL_UNLOCK(hi2c);
bogdanm 0:9b334a45a8ff 272
bogdanm 0:9b334a45a8ff 273 return HAL_OK;
bogdanm 0:9b334a45a8ff 274 }
bogdanm 0:9b334a45a8ff 275
bogdanm 0:9b334a45a8ff 276 /**
bogdanm 0:9b334a45a8ff 277 * @brief Enable the I2C fast mode plus driving capability.
bogdanm 0:9b334a45a8ff 278 * @param ConfigFastModePlus: selects the pin.
bogdanm 0:9b334a45a8ff 279 * This parameter can be one of the @ref I2CEx_FastModePlus values
bogdanm 0:9b334a45a8ff 280 * @note For I2C1, fast mode plus driving capability can be enabled on all selected
bogdanm 0:9b334a45a8ff 281 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
bogdanm 0:9b334a45a8ff 282 * on each one of the following pins PB6, PB7, PB8 and PB9.
bogdanm 0:9b334a45a8ff 283 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
bogdanm 0:9b334a45a8ff 284 * can be enabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
bogdanm 0:9b334a45a8ff 285 * @note For all I2C2 pins fast mode plus driving capability can be enabled
bogdanm 0:9b334a45a8ff 286 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
bogdanm 0:9b334a45a8ff 287 * @note For all I2C3 pins fast mode plus driving capability can be enabled
bogdanm 0:9b334a45a8ff 288 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
bogdanm 0:9b334a45a8ff 289 * @retval None
bogdanm 0:9b334a45a8ff 290 */
bogdanm 0:9b334a45a8ff 291 void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
bogdanm 0:9b334a45a8ff 292 {
bogdanm 0:9b334a45a8ff 293 /* Check the parameter */
bogdanm 0:9b334a45a8ff 294 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
bogdanm 0:9b334a45a8ff 295
bogdanm 0:9b334a45a8ff 296 /* Enable SYSCFG clock */
bogdanm 0:9b334a45a8ff 297 __HAL_RCC_SYSCFG_CLK_ENABLE();
bogdanm 0:9b334a45a8ff 298
bogdanm 0:9b334a45a8ff 299 /* Enable fast mode plus driving capability for selected pin */
bogdanm 0:9b334a45a8ff 300 SET_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
bogdanm 0:9b334a45a8ff 301 }
bogdanm 0:9b334a45a8ff 302
bogdanm 0:9b334a45a8ff 303 /**
bogdanm 0:9b334a45a8ff 304 * @brief Disable the I2C fast mode plus driving capability.
bogdanm 0:9b334a45a8ff 305 * @param ConfigFastModePlus: selects the pin.
bogdanm 0:9b334a45a8ff 306 * This parameter can be one of the @ref I2CEx_FastModePlus values
bogdanm 0:9b334a45a8ff 307 * @note For I2C1, fast mode plus driving capability can be disabled on all selected
bogdanm 0:9b334a45a8ff 308 * I2C1 pins using I2C_FASTMODEPLUS_I2C1 parameter or independently
bogdanm 0:9b334a45a8ff 309 * on each one of the following pins PB6, PB7, PB8 and PB9.
bogdanm 0:9b334a45a8ff 310 * @note For remaining I2C1 pins (PA14, PA15...) fast mode plus driving capability
bogdanm 0:9b334a45a8ff 311 * can be disabled only by using I2C_FASTMODEPLUS_I2C1 parameter.
bogdanm 0:9b334a45a8ff 312 * @note For all I2C2 pins fast mode plus driving capability can be disabled
bogdanm 0:9b334a45a8ff 313 * only by using I2C_FASTMODEPLUS_I2C2 parameter.
bogdanm 0:9b334a45a8ff 314 * @note For all I2C3 pins fast mode plus driving capability can be disabled
bogdanm 0:9b334a45a8ff 315 * only by using I2C_FASTMODEPLUS_I2C3 parameter.
bogdanm 0:9b334a45a8ff 316 * @retval None
bogdanm 0:9b334a45a8ff 317 */
bogdanm 0:9b334a45a8ff 318 void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
bogdanm 0:9b334a45a8ff 319 {
bogdanm 0:9b334a45a8ff 320 /* Check the parameter */
bogdanm 0:9b334a45a8ff 321 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
bogdanm 0:9b334a45a8ff 322
bogdanm 0:9b334a45a8ff 323 /* Enable SYSCFG clock */
bogdanm 0:9b334a45a8ff 324 __HAL_RCC_SYSCFG_CLK_ENABLE();
bogdanm 0:9b334a45a8ff 325
bogdanm 0:9b334a45a8ff 326 /* Disable fast mode plus driving capability for selected pin */
bogdanm 0:9b334a45a8ff 327 CLEAR_BIT(SYSCFG->CFGR1, (uint32_t)ConfigFastModePlus);
bogdanm 0:9b334a45a8ff 328 }
bogdanm 0:9b334a45a8ff 329
bogdanm 0:9b334a45a8ff 330 /**
bogdanm 0:9b334a45a8ff 331 * @}
bogdanm 0:9b334a45a8ff 332 */
bogdanm 0:9b334a45a8ff 333
bogdanm 0:9b334a45a8ff 334 /**
bogdanm 0:9b334a45a8ff 335 * @}
bogdanm 0:9b334a45a8ff 336 */
bogdanm 0:9b334a45a8ff 337
bogdanm 0:9b334a45a8ff 338 #endif /* HAL_I2C_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 339 /**
bogdanm 0:9b334a45a8ff 340 * @}
bogdanm 0:9b334a45a8ff 341 */
bogdanm 0:9b334a45a8ff 342
bogdanm 0:9b334a45a8ff 343 /**
bogdanm 0:9b334a45a8ff 344 * @}
bogdanm 0:9b334a45a8ff 345 */
bogdanm 0:9b334a45a8ff 346
bogdanm 0:9b334a45a8ff 347 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
bogdanm 0:9b334a45a8ff 348