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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_i2c_ex.h
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4 * @author MCD Application Team
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5 * @version V1.2.0
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6 * @date 26-December-2014
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7 * @brief Header file of I2C HAL Extension module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without specific prior written permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Define to prevent recursive inclusion -------------------------------------*/
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39 #ifndef __STM32F4xx_HAL_I2C_EX_H
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40 #define __STM32F4xx_HAL_I2C_EX_H
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) ||\
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47 defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE)
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48 /* Includes ------------------------------------------------------------------*/
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49 #include "stm32f4xx_hal_def.h"
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50
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51 /** @addtogroup STM32F4xx_HAL_Driver
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52 * @{
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53 */
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54
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55 /** @addtogroup I2CEx
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56 * @{
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57 */
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58
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59 /* Exported types ------------------------------------------------------------*/
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60 /* Exported constants --------------------------------------------------------*/
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61 /** @defgroup I2CEx_Exported_Constants I2C Exported Constants
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62 * @{
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63 */
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64
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65 /** @defgroup I2CEx_Analog_Filter I2C Analog Filter
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66 * @{
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67 */
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68 #define I2C_ANALOGFILTER_ENABLE ((uint32_t)0x00000000)
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69 #define I2C_ANALOGFILTER_DISABLE I2C_FLTR_ANOFF
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70 /**
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71 * @}
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72 */
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73
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74 /**
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75 * @}
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76 */
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77
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78 /* Exported macro ------------------------------------------------------------*/
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79 /* Exported functions --------------------------------------------------------*/
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80 /** @addtogroup I2CEx_Exported_Functions
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81 * @{
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82 */
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83
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84 /** @addtogroup I2CEx_Exported_Functions_Group1
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85 * @{
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86 */
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87 /* Peripheral Control functions ************************************************/
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88 HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter);
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89 HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter);
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90 /**
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91 * @}
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92 */
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93
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94 /**
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95 * @}
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96 */
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97 /* Private types -------------------------------------------------------------*/
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98 /* Private variables ---------------------------------------------------------*/
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99 /* Private constants ---------------------------------------------------------*/
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100 /** @defgroup I2CEx_Private_Constants I2C Private Constants
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101 * @{
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102 */
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103
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104 /**
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105 * @}
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106 */
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107
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108 /* Private macros ------------------------------------------------------------*/
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109 /** @defgroup I2CEx_Private_Macros I2C Private Macros
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110 * @{
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111 */
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112 #define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_ANALOGFILTER_ENABLE) || \
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113 ((FILTER) == I2C_ANALOGFILTER_DISABLE))
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114 #define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000F)
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115 /**
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116 * @}
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117 */
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118
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119 /**
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120 * @}
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121 */
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122
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123 /**
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124 * @}
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125 */
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126
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127 #endif /* STM32F427xx || STM32F429xx || STM32F437xx || STM32F439xx || STM32F401xC || STM32F401xE */
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128
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129 #ifdef __cplusplus
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130 }
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131 #endif
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132
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133 #endif /* __STM32F4xx_HAL_I2C_EX_H */
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134
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135
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136 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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