Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_i2c_ex.c@144:ef7eb2e8f9f7, 2016-09-02 (annotated)

Committer:
<>
Date:
Fri Sep 02 15:07:44 2016 +0100
Revision:
144:ef7eb2e8f9f7
Parent:
83:a036322b8637 
This updates the lib to the mbed lib v125

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32f7xx_hal_i2c_ex.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @version V1.1.0
<> 144:ef7eb2e8f9f7 6 * @date 22-April-2016
<> 144:ef7eb2e8f9f7 7 * @brief I2C Extended HAL module driver.
<> 144:ef7eb2e8f9f7 8 * This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 9 * functionalities of I2C Extended peripheral:
<> 144:ef7eb2e8f9f7 10 * + Extended features functions
<> 144:ef7eb2e8f9f7 11 *
<> 144:ef7eb2e8f9f7 12 @verbatim
<> 144:ef7eb2e8f9f7 13 ==============================================================================
<> 144:ef7eb2e8f9f7 14 ##### I2C peripheral Extended features #####
<> 144:ef7eb2e8f9f7 15 ==============================================================================
<> 144:ef7eb2e8f9f7 16
<> 144:ef7eb2e8f9f7 17 [..] Comparing to other previous devices, the I2C interface for STM32F7XX
<> 144:ef7eb2e8f9f7 18 devices contains the following additional features
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20 (+) Possibility to disable or enable Analog Noise Filter
<> 144:ef7eb2e8f9f7 21 (+) Use of a configured Digital Noise Filter
<> 144:ef7eb2e8f9f7 22 (+) Disable or enable Fast Mode Plus (available only for STM32F76xxx/STM32F77xxx
<> 144:ef7eb2e8f9f7 23 devices)
<> 144:ef7eb2e8f9f7 24
<> 144:ef7eb2e8f9f7 25 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 26 ==============================================================================
<> 144:ef7eb2e8f9f7 27 [..] This driver provides functions to:
<> 144:ef7eb2e8f9f7 28 (#) Configure I2C Analog noise filter using the function HAL_I2CEx_ConfigAnalogFilter()
<> 144:ef7eb2e8f9f7 29 (#) Configure I2C Digital noise filter using the function HAL_I2CEx_ConfigDigitalFilter()
<> 144:ef7eb2e8f9f7 30 (#) Configure the enable or disable of fast mode plus driving capability using the functions :
<> 144:ef7eb2e8f9f7 31 (++) HAL_I2CEx_EnableFastModePlus()
<> 144:ef7eb2e8f9f7 32 (++) HAL_I2CEx_DisbleFastModePlus()
<> 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 *
<> 144:ef7eb2e8f9f7 61 ******************************************************************************
<> 144:ef7eb2e8f9f7 62 */
<> 144:ef7eb2e8f9f7 63
<> 144:ef7eb2e8f9f7 64 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 65 #include "stm32f7xx_hal.h"
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 /** @addtogroup STM32F7xx_HAL_Driver
<> 144:ef7eb2e8f9f7 68 * @{
<> 144:ef7eb2e8f9f7 69 */
<> 144:ef7eb2e8f9f7 70
<> 144:ef7eb2e8f9f7 71 /** @defgroup I2CEx I2C Extended HAL module driver
<> 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
<> 144:ef7eb2e8f9f7 91 *
<> 144:ef7eb2e8f9f7 92 @verbatim
<> 144:ef7eb2e8f9f7 93 ===============================================================================
<> 144:ef7eb2e8f9f7 94 ##### Extended features functions #####
<> 144:ef7eb2e8f9f7 95 ===============================================================================
<> 144:ef7eb2e8f9f7 96 [..] This section provides functions allowing to:
<> 144:ef7eb2e8f9f7 97 (+) Configure Noise Filters
<> 144:ef7eb2e8f9f7 98 (+) Configure Fast Mode Plus
<> 144:ef7eb2e8f9f7 99
<> 144:ef7eb2e8f9f7 100 @endverbatim
<> 144:ef7eb2e8f9f7 101 * @{
<> 144:ef7eb2e8f9f7 102 */
<> 144:ef7eb2e8f9f7 103
<> 144:ef7eb2e8f9f7 104 /**
<> 144:ef7eb2e8f9f7 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));
<> 144:ef7eb2e8f9f7 116
<> 144:ef7eb2e8f9f7 117 if(hi2c->State == HAL_I2C_STATE_READY)
<> 144:ef7eb2e8f9f7 118 {
<> 144:ef7eb2e8f9f7 119 /* Process Locked */
<> 144:ef7eb2e8f9f7 120 __HAL_LOCK(hi2c);
<> 144:ef7eb2e8f9f7 121
<> 144:ef7eb2e8f9f7 122 hi2c->State = HAL_I2C_STATE_BUSY;
<> 144:ef7eb2e8f9f7 123
<> 144:ef7eb2e8f9f7 124 /* Disable the selected I2C peripheral */
<> 144:ef7eb2e8f9f7 125 __HAL_I2C_DISABLE(hi2c);
<> 144:ef7eb2e8f9f7 126
<> 144:ef7eb2e8f9f7 127 /* Reset I2Cx ANOFF bit */
<> 144:ef7eb2e8f9f7 128 hi2c->Instance->CR1 &= ~(I2C_CR1_ANFOFF);
<> 144:ef7eb2e8f9f7 129
<> 144:ef7eb2e8f9f7 130 /* Set analog filter bit*/
<> 144:ef7eb2e8f9f7 131 hi2c->Instance->CR1 |= AnalogFilter;
<> 144:ef7eb2e8f9f7 132
<> 144:ef7eb2e8f9f7 133 __HAL_I2C_ENABLE(hi2c);
<> 144:ef7eb2e8f9f7 134
<> 144:ef7eb2e8f9f7 135 hi2c->State = HAL_I2C_STATE_READY;
<> 144:ef7eb2e8f9f7 136
<> 144:ef7eb2e8f9f7 137 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 138 __HAL_UNLOCK(hi2c);
<> 144:ef7eb2e8f9f7 139
<> 144:ef7eb2e8f9f7 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 /**
<> 144:ef7eb2e8f9f7 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.
<> 144:ef7eb2e8f9f7 152 * @param DigitalFilter: Coefficient of digital noise filter between 0x00 and 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 = 0;
<> 144:ef7eb2e8f9f7 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));
<> 144:ef7eb2e8f9f7 162
<> 144:ef7eb2e8f9f7 163 if(hi2c->State == HAL_I2C_STATE_READY)
<> 144:ef7eb2e8f9f7 164 {
<> 144:ef7eb2e8f9f7 165 /* Process Locked */
<> 144:ef7eb2e8f9f7 166 __HAL_LOCK(hi2c);
<> 144:ef7eb2e8f9f7 167
<> 144:ef7eb2e8f9f7 168 hi2c->State = HAL_I2C_STATE_BUSY;
<> 144:ef7eb2e8f9f7 169
<> 144:ef7eb2e8f9f7 170 /* Disable the selected I2C peripheral */
<> 144:ef7eb2e8f9f7 171 __HAL_I2C_DISABLE(hi2c);
<> 144:ef7eb2e8f9f7 172
<> 144:ef7eb2e8f9f7 173 /* Get the old register value */
<> 144:ef7eb2e8f9f7 174 tmpreg = hi2c->Instance->CR1;
<> 144:ef7eb2e8f9f7 175
<> 144:ef7eb2e8f9f7 176 /* Reset I2Cx DNF bits [11:8] */
<> 144:ef7eb2e8f9f7 177 tmpreg &= ~(I2C_CR1_DNF);
<> 144:ef7eb2e8f9f7 178
<> 144:ef7eb2e8f9f7 179 /* Set I2Cx DNF coefficient */
<> 144:ef7eb2e8f9f7 180 tmpreg |= DigitalFilter << 8;
<> 144:ef7eb2e8f9f7 181
<> 144:ef7eb2e8f9f7 182 /* Store the new register value */
<> 144:ef7eb2e8f9f7 183 hi2c->Instance->CR1 = tmpreg;
<> 144:ef7eb2e8f9f7 184
<> 144:ef7eb2e8f9f7 185 __HAL_I2C_ENABLE(hi2c);
<> 144:ef7eb2e8f9f7 186
<> 144:ef7eb2e8f9f7 187 hi2c->State = HAL_I2C_STATE_READY;
<> 144:ef7eb2e8f9f7 188
<> 144:ef7eb2e8f9f7 189 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 190 __HAL_UNLOCK(hi2c);
<> 144:ef7eb2e8f9f7 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 }
<> 144:ef7eb2e8f9f7 198 }
<> 144:ef7eb2e8f9f7 199
<> 144:ef7eb2e8f9f7 200 #if defined (STM32F765xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx)
<> 144:ef7eb2e8f9f7 201 /**
<> 144:ef7eb2e8f9f7 202 * @brief Enable the I2C fast mode plus driving capability.
<> 144:ef7eb2e8f9f7 203 * @param ConfigFastModePlus: Selects the pin.
<> 144:ef7eb2e8f9f7 204 * This parameter can be one of the @ref I2CEx_FastModePlus values
<> 144:ef7eb2e8f9f7 205 * @retval None
<> 144:ef7eb2e8f9f7 206 */
<> 144:ef7eb2e8f9f7 207 void HAL_I2CEx_EnableFastModePlus(uint32_t ConfigFastModePlus)
<> 144:ef7eb2e8f9f7 208 {
<> 144:ef7eb2e8f9f7 209 /* Check the parameter */
<> 144:ef7eb2e8f9f7 210 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
<> 144:ef7eb2e8f9f7 211
<> 144:ef7eb2e8f9f7 212 /* Enable SYSCFG clock */
<> 144:ef7eb2e8f9f7 213 __HAL_RCC_SYSCFG_CLK_ENABLE();
<> 144:ef7eb2e8f9f7 214
<> 144:ef7eb2e8f9f7 215 /* Enable fast mode plus driving capability for selected pin */
<> 144:ef7eb2e8f9f7 216 SET_BIT(SYSCFG->PMC, (uint32_t)ConfigFastModePlus);
<> 144:ef7eb2e8f9f7 217 }
<> 144:ef7eb2e8f9f7 218
<> 144:ef7eb2e8f9f7 219 /**
<> 144:ef7eb2e8f9f7 220 * @brief Disable the I2C fast mode plus driving capability.
<> 144:ef7eb2e8f9f7 221 * @param ConfigFastModePlus: Selects the pin.
<> 144:ef7eb2e8f9f7 222 * This parameter can be one of the @ref I2CEx_FastModePlus values
<> 144:ef7eb2e8f9f7 223 * @retval None
<> 144:ef7eb2e8f9f7 224 */
<> 144:ef7eb2e8f9f7 225 void HAL_I2CEx_DisableFastModePlus(uint32_t ConfigFastModePlus)
<> 144:ef7eb2e8f9f7 226 {
<> 144:ef7eb2e8f9f7 227 /* Check the parameter */
<> 144:ef7eb2e8f9f7 228 assert_param(IS_I2C_FASTMODEPLUS(ConfigFastModePlus));
<> 144:ef7eb2e8f9f7 229
<> 144:ef7eb2e8f9f7 230 /* Enable SYSCFG clock */
<> 144:ef7eb2e8f9f7 231 __HAL_RCC_SYSCFG_CLK_ENABLE();
<> 144:ef7eb2e8f9f7 232
<> 144:ef7eb2e8f9f7 233 /* Disable fast mode plus driving capability for selected pin */
<> 144:ef7eb2e8f9f7 234 CLEAR_BIT(SYSCFG->PMC, (uint32_t)ConfigFastModePlus);
<> 144:ef7eb2e8f9f7 235 }
<> 144:ef7eb2e8f9f7 236 #endif /* STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */
<> 144:ef7eb2e8f9f7 237
<> 144:ef7eb2e8f9f7 238 /**
<> 144:ef7eb2e8f9f7 239 * @}
<> 144:ef7eb2e8f9f7 240 */
<> 144:ef7eb2e8f9f7 241
<> 144:ef7eb2e8f9f7 242 /**
<> 144:ef7eb2e8f9f7 243 * @}
<> 144:ef7eb2e8f9f7 244 */
<> 144:ef7eb2e8f9f7 245
<> 144:ef7eb2e8f9f7 246 #endif /* HAL_I2C_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 247 /**
<> 144:ef7eb2e8f9f7 248 * @}
<> 144:ef7eb2e8f9f7 249 */
<> 144:ef7eb2e8f9f7 250
<> 144:ef7eb2e8f9f7 251 /**
<> 144:ef7eb2e8f9f7 252 * @}
<> 144:ef7eb2e8f9f7 253 */
<> 144:ef7eb2e8f9f7 254
<> 144:ef7eb2e8f9f7 255 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/