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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h @ 918:f72613a152dd Evo_2_23

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Switch external interface tx communication to DMA: In the previous version the transmitting of data was done in polling mode. With the introduction of new sensors the length of commands send to the sensor may increase and have a impact to the runtim behavior of the SW. To avoid this the DMA transfers for TX has been activated.
author Ideenmodellierer
date Sun, 03 Nov 2024 15:40:55 +0100
parents c78bcbd5deda
children
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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 * @brief Header file of I2C HAL Extension module.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35
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36 /* Define to prevent recursive inclusion -------------------------------------*/
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37 #ifndef __STM32F4xx_HAL_I2C_EX_H
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38 #define __STM32F4xx_HAL_I2C_EX_H
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39
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40 #ifdef __cplusplus
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41 extern "C" {
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42 #endif
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43
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44 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
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45 defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE) || defined(STM32F446xx) ||\
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46 defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F413xx) || defined(STM32F423xx)
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47 /* Includes ------------------------------------------------------------------*/
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48 #include "stm32f4xx_hal_def.h"
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49
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50 /** @addtogroup STM32F4xx_HAL_Driver
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51 * @{
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52 */
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53
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54 /** @addtogroup I2CEx
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55 * @{
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56 */
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57
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58 /* Exported types ------------------------------------------------------------*/
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59 /* Exported constants --------------------------------------------------------*/
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60 /** @defgroup I2CEx_Exported_Constants I2C Exported Constants
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61 * @{
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62 */
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63
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64 /** @defgroup I2CEx_Analog_Filter I2C Analog Filter
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65 * @{
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66 */
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67 #define I2C_ANALOGFILTER_ENABLE 0x00000000U
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68 #define I2C_ANALOGFILTER_DISABLE I2C_FLTR_ANOFF
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69 /**
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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 /* Exported macro ------------------------------------------------------------*/
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78 /* Exported functions --------------------------------------------------------*/
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79 /** @addtogroup I2CEx_Exported_Functions
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80 * @{
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81 */
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82
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83 /** @addtogroup I2CEx_Exported_Functions_Group1
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84 * @{
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85 */
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86 /* Peripheral Control functions ************************************************/
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87 HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter);
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88 HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter);
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89 /**
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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 /* Private types -------------------------------------------------------------*/
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97 /* Private variables ---------------------------------------------------------*/
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98 /* Private constants ---------------------------------------------------------*/
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99 /** @defgroup I2CEx_Private_Constants I2C Private Constants
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100 * @{
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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 /* Private macros ------------------------------------------------------------*/
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108 /** @defgroup I2CEx_Private_Macros I2C Private Macros
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109 * @{
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110 */
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111 #define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_ANALOGFILTER_ENABLE) || \
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112 ((FILTER) == I2C_ANALOGFILTER_DISABLE))
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113 #define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000FU)
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114 /**
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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 #endif /* STM32F427xx || STM32F429xx || STM32F437xx || STM32F439xx || STM32F401xC ||\
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127 STM32F401xE || STM32F411xE || STM32F446xx || STM32F469xx || STM32F479xx ||\
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128 STM32F413xx || STM32F423xx */
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129
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130 #ifdef __cplusplus
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131 }
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132 #endif
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133
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134 #endif /* __STM32F4xx_HAL_I2C_EX_H */
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135
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136
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137 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/