Mercurial > public > ostc4
annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h @ 434:f68f2c4d71c7 Improve_BatteryGasGauge
Reduced timeout for common UART communication:
OSTC will slow down significant in case of a problem in Bluetoothconnection => reduces timeout which do not need to last one second
author | ideenmodellierer |
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date | Sun, 23 Feb 2020 21:13:28 +0100 |
parents | c78bcbd5deda |
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rev | line source |
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128
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_i2c.h |
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4 * @author MCD Application Team |
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5 * @brief Header file of I2C HAL module. |
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6 ****************************************************************************** |
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7 * @attention |
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8 * |
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9 * <h2><center>© 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_H |
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38 #define __STM32F4xx_HAL_I2C_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 /* Includes ------------------------------------------------------------------*/ |
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45 #include "stm32f4xx_hal_def.h" |
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46 |
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47 /** @addtogroup STM32F4xx_HAL_Driver |
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48 * @{ |
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49 */ |
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50 |
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51 /** @addtogroup I2C |
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52 * @{ |
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53 */ |
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54 |
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55 /* Exported types ------------------------------------------------------------*/ |
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56 /** @defgroup I2C_Exported_Types I2C Exported Types |
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57 * @{ |
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58 */ |
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59 |
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60 /** |
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61 * @brief I2C Configuration Structure definition |
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62 */ |
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63 typedef struct |
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64 { |
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65 uint32_t ClockSpeed; /*!< Specifies the clock frequency. |
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66 This parameter must be set to a value lower than 400kHz */ |
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67 |
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68 uint32_t DutyCycle; /*!< Specifies the I2C fast mode duty cycle. |
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69 This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */ |
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70 |
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71 uint32_t OwnAddress1; /*!< Specifies the first device own address. |
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72 This parameter can be a 7-bit or 10-bit address. */ |
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73 |
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74 uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected. |
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75 This parameter can be a value of @ref I2C_addressing_mode */ |
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76 |
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77 uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected. |
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78 This parameter can be a value of @ref I2C_dual_addressing_mode */ |
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79 |
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80 uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected |
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81 This parameter can be a 7-bit address. */ |
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82 |
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83 uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected. |
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84 This parameter can be a value of @ref I2C_general_call_addressing_mode */ |
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85 |
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86 uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected. |
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87 This parameter can be a value of @ref I2C_nostretch_mode */ |
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88 |
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89 }I2C_InitTypeDef; |
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90 |
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91 /** |
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92 * @brief HAL State structure definition |
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93 * @note HAL I2C State value coding follow below described bitmap : |
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94 * b7-b6 Error information |
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95 * 00 : No Error |
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96 * 01 : Abort (Abort user request on going) |
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97 * 10 : Timeout |
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98 * 11 : Error |
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99 * b5 IP initilisation status |
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100 * 0 : Reset (IP not initialized) |
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101 * 1 : Init done (IP initialized and ready to use. HAL I2C Init function called) |
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102 * b4 (not used) |
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103 * x : Should be set to 0 |
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104 * b3 |
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105 * 0 : Ready or Busy (No Listen mode ongoing) |
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106 * 1 : Listen (IP in Address Listen Mode) |
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107 * b2 Intrinsic process state |
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108 * 0 : Ready |
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109 * 1 : Busy (IP busy with some configuration or internal operations) |
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110 * b1 Rx state |
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111 * 0 : Ready (no Rx operation ongoing) |
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112 * 1 : Busy (Rx operation ongoing) |
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113 * b0 Tx state |
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114 * 0 : Ready (no Tx operation ongoing) |
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115 * 1 : Busy (Tx operation ongoing) |
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116 */ |
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117 typedef enum |
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118 { |
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119 HAL_I2C_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */ |
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120 HAL_I2C_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use */ |
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121 HAL_I2C_STATE_BUSY = 0x24U, /*!< An internal process is ongoing */ |
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122 HAL_I2C_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing */ |
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123 HAL_I2C_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ |
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124 HAL_I2C_STATE_LISTEN = 0x28U, /*!< Address Listen Mode is ongoing */ |
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125 HAL_I2C_STATE_BUSY_TX_LISTEN = 0x29U, /*!< Address Listen Mode and Data Transmission |
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126 process is ongoing */ |
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127 HAL_I2C_STATE_BUSY_RX_LISTEN = 0x2AU, /*!< Address Listen Mode and Data Reception |
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128 process is ongoing */ |
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129 HAL_I2C_STATE_ABORT = 0x60U, /*!< Abort user request ongoing */ |
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130 HAL_I2C_STATE_TIMEOUT = 0xA0U, /*!< Timeout state */ |
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131 HAL_I2C_STATE_ERROR = 0xE0U /*!< Error */ |
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132 |
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133 }HAL_I2C_StateTypeDef; |
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134 |
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135 /** |
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136 * @brief HAL Mode structure definition |
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137 * @note HAL I2C Mode value coding follow below described bitmap : |
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138 * b7 (not used) |
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139 * x : Should be set to 0 |
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140 * b6 |
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141 * 0 : None |
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142 * 1 : Memory (HAL I2C communication is in Memory Mode) |
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143 * b5 |
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144 * 0 : None |
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145 * 1 : Slave (HAL I2C communication is in Slave Mode) |
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146 * b4 |
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147 * 0 : None |
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148 * 1 : Master (HAL I2C communication is in Master Mode) |
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149 * b3-b2-b1-b0 (not used) |
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150 * xxxx : Should be set to 0000 |
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151 */ |
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152 typedef enum |
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153 { |
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154 HAL_I2C_MODE_NONE = 0x00U, /*!< No I2C communication on going */ |
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155 HAL_I2C_MODE_MASTER = 0x10U, /*!< I2C communication is in Master Mode */ |
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156 HAL_I2C_MODE_SLAVE = 0x20U, /*!< I2C communication is in Slave Mode */ |
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157 HAL_I2C_MODE_MEM = 0x40U /*!< I2C communication is in Memory Mode */ |
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158 |
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159 }HAL_I2C_ModeTypeDef; |
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160 |
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161 /** |
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162 * @brief I2C handle Structure definition |
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163 */ |
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164 typedef struct |
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165 { |
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166 I2C_TypeDef *Instance; /*!< I2C registers base address */ |
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167 |
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168 I2C_InitTypeDef Init; /*!< I2C communication parameters */ |
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169 |
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170 uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */ |
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171 |
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172 uint16_t XferSize; /*!< I2C transfer size */ |
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173 |
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174 __IO uint16_t XferCount; /*!< I2C transfer counter */ |
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175 |
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176 __IO uint32_t XferOptions; /*!< I2C transfer options */ |
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177 |
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178 __IO uint32_t PreviousState; /*!< I2C communication Previous state and mode |
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179 context for internal usage */ |
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180 |
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181 DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */ |
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182 |
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183 DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */ |
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184 |
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185 HAL_LockTypeDef Lock; /*!< I2C locking object */ |
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186 |
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187 __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */ |
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188 |
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189 __IO HAL_I2C_ModeTypeDef Mode; /*!< I2C communication mode */ |
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190 |
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191 __IO uint32_t ErrorCode; /*!< I2C Error code */ |
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192 |
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193 __IO uint32_t Devaddress; /*!< I2C Target device address */ |
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194 |
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195 __IO uint32_t Memaddress; /*!< I2C Target memory address */ |
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196 |
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197 __IO uint32_t MemaddSize; /*!< I2C Target memory address size */ |
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198 |
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199 __IO uint32_t EventCount; /*!< I2C Event counter */ |
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200 |
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201 }I2C_HandleTypeDef; |
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202 |
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203 /** |
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204 * @} |
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205 */ |
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206 |
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207 /* Exported constants --------------------------------------------------------*/ |
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208 /** @defgroup I2C_Exported_Constants I2C Exported Constants |
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209 * @{ |
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210 */ |
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211 |
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212 /** @defgroup I2C_Error_Code I2C Error Code |
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213 * @brief I2C Error Code |
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214 * @{ |
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215 */ |
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216 #define HAL_I2C_ERROR_NONE 0x00000000U /*!< No error */ |
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217 #define HAL_I2C_ERROR_BERR 0x00000001U /*!< BERR error */ |
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218 #define HAL_I2C_ERROR_ARLO 0x00000002U /*!< ARLO error */ |
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219 #define HAL_I2C_ERROR_AF 0x00000004U /*!< AF error */ |
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220 #define HAL_I2C_ERROR_OVR 0x00000008U /*!< OVR error */ |
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221 #define HAL_I2C_ERROR_DMA 0x00000010U /*!< DMA transfer error */ |
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222 #define HAL_I2C_ERROR_TIMEOUT 0x00000020U /*!< Timeout Error */ |
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223 /** |
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224 * @} |
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225 */ |
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226 |
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227 /** @defgroup I2C_duty_cycle_in_fast_mode I2C duty cycle in fast mode |
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228 * @{ |
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229 */ |
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230 #define I2C_DUTYCYCLE_2 0x00000000U |
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231 #define I2C_DUTYCYCLE_16_9 I2C_CCR_DUTY |
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232 /** |
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233 * @} |
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234 */ |
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235 |
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236 /** @defgroup I2C_addressing_mode I2C addressing mode |
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237 * @{ |
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238 */ |
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239 #define I2C_ADDRESSINGMODE_7BIT 0x00004000U |
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240 #define I2C_ADDRESSINGMODE_10BIT (I2C_OAR1_ADDMODE | 0x00004000U) |
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241 /** |
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242 * @} |
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243 */ |
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244 |
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245 /** @defgroup I2C_dual_addressing_mode I2C dual addressing mode |
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246 * @{ |
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247 */ |
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248 #define I2C_DUALADDRESS_DISABLE 0x00000000U |
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249 #define I2C_DUALADDRESS_ENABLE I2C_OAR2_ENDUAL |
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250 /** |
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251 * @} |
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252 */ |
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253 |
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254 /** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode |
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255 * @{ |
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256 */ |
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257 #define I2C_GENERALCALL_DISABLE 0x00000000U |
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258 #define I2C_GENERALCALL_ENABLE I2C_CR1_ENGC |
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259 /** |
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260 * @} |
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261 */ |
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262 |
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263 /** @defgroup I2C_nostretch_mode I2C nostretch mode |
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264 * @{ |
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265 */ |
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266 #define I2C_NOSTRETCH_DISABLE 0x00000000U |
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267 #define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH |
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268 /** |
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269 * @} |
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270 */ |
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271 |
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272 /** @defgroup I2C_Memory_Address_Size I2C Memory Address Size |
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273 * @{ |
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274 */ |
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275 #define I2C_MEMADD_SIZE_8BIT 0x00000001U |
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276 #define I2C_MEMADD_SIZE_16BIT 0x00000010U |
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277 /** |
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278 * @} |
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279 */ |
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280 |
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281 /** @defgroup I2C_XferDirection_definition I2C XferDirection definition |
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282 * @{ |
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283 */ |
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284 #define I2C_DIRECTION_RECEIVE 0x00000000U |
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285 #define I2C_DIRECTION_TRANSMIT 0x00000001U |
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286 /** |
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287 * @} |
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288 */ |
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289 |
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290 /** @defgroup I2C_XferOptions_definition I2C XferOptions definition |
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291 * @{ |
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292 */ |
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293 #define I2C_FIRST_FRAME 0x00000001U |
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294 #define I2C_NEXT_FRAME 0x00000002U |
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295 #define I2C_FIRST_AND_LAST_FRAME 0x00000004U |
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296 #define I2C_LAST_FRAME 0x00000008U |
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297 /** |
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298 * @} |
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299 */ |
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300 |
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301 /** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition |
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302 * @{ |
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303 */ |
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304 #define I2C_IT_BUF I2C_CR2_ITBUFEN |
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305 #define I2C_IT_EVT I2C_CR2_ITEVTEN |
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306 #define I2C_IT_ERR I2C_CR2_ITERREN |
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307 /** |
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308 * @} |
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309 */ |
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310 |
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311 /** @defgroup I2C_Flag_definition I2C Flag definition |
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312 * @{ |
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313 */ |
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314 #define I2C_FLAG_SMBALERT 0x00018000U |
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315 #define I2C_FLAG_TIMEOUT 0x00014000U |
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316 #define I2C_FLAG_PECERR 0x00011000U |
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317 #define I2C_FLAG_OVR 0x00010800U |
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318 #define I2C_FLAG_AF 0x00010400U |
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319 #define I2C_FLAG_ARLO 0x00010200U |
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320 #define I2C_FLAG_BERR 0x00010100U |
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321 #define I2C_FLAG_TXE 0x00010080U |
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322 #define I2C_FLAG_RXNE 0x00010040U |
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323 #define I2C_FLAG_STOPF 0x00010010U |
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324 #define I2C_FLAG_ADD10 0x00010008U |
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325 #define I2C_FLAG_BTF 0x00010004U |
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326 #define I2C_FLAG_ADDR 0x00010002U |
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327 #define I2C_FLAG_SB 0x00010001U |
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328 #define I2C_FLAG_DUALF 0x00100080U |
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329 #define I2C_FLAG_SMBHOST 0x00100040U |
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330 #define I2C_FLAG_SMBDEFAULT 0x00100020U |
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331 #define I2C_FLAG_GENCALL 0x00100010U |
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332 #define I2C_FLAG_TRA 0x00100004U |
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333 #define I2C_FLAG_BUSY 0x00100002U |
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334 #define I2C_FLAG_MSL 0x00100001U |
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335 /** |
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336 * @} |
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337 */ |
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338 |
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339 /** |
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340 * @} |
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341 */ |
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342 |
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343 /* Exported macro ------------------------------------------------------------*/ |
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344 /** @defgroup I2C_Exported_Macros I2C Exported Macros |
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345 * @{ |
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346 */ |
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347 |
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348 /** @brief Reset I2C handle state |
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349 * @param __HANDLE__ specifies the I2C Handle. |
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350 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
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351 * @retval None |
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352 */ |
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353 #define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET) |
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354 |
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355 /** @brief Enable or disable the specified I2C interrupts. |
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356 * @param __HANDLE__ specifies the I2C Handle. |
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357 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
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358 * @param __INTERRUPT__ specifies the interrupt source to enable or disable. |
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359 * This parameter can be one of the following values: |
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360 * @arg I2C_IT_BUF: Buffer interrupt enable |
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361 * @arg I2C_IT_EVT: Event interrupt enable |
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362 * @arg I2C_IT_ERR: Error interrupt enable |
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363 * @retval None |
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364 */ |
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365 #define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 |= (__INTERRUPT__)) |
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366 #define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 &= (~(__INTERRUPT__))) |
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367 |
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368 /** @brief Checks if the specified I2C interrupt source is enabled or disabled. |
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369 * @param __HANDLE__ specifies the I2C Handle. |
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370 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
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371 * @param __INTERRUPT__ specifies the I2C interrupt source to check. |
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372 * This parameter can be one of the following values: |
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373 * @arg I2C_IT_BUF: Buffer interrupt enable |
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374 * @arg I2C_IT_EVT: Event interrupt enable |
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375 * @arg I2C_IT_ERR: Error interrupt enable |
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376 * @retval The new state of __INTERRUPT__ (TRUE or FALSE). |
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377 */ |
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378 #define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET) |
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379 |
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380 /** @brief Checks whether the specified I2C flag is set or not. |
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381 * @param __HANDLE__ specifies the I2C Handle. |
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382 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
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383 * @param __FLAG__ specifies the flag to check. |
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384 * This parameter can be one of the following values: |
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385 * @arg I2C_FLAG_SMBALERT: SMBus Alert flag |
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386 * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag |
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387 * @arg I2C_FLAG_PECERR: PEC error in reception flag |
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388 * @arg I2C_FLAG_OVR: Overrun/Underrun flag |
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389 * @arg I2C_FLAG_AF: Acknowledge failure flag |
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390 * @arg I2C_FLAG_ARLO: Arbitration lost flag |
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391 * @arg I2C_FLAG_BERR: Bus error flag |
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392 * @arg I2C_FLAG_TXE: Data register empty flag |
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393 * @arg I2C_FLAG_RXNE: Data register not empty flag |
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394 * @arg I2C_FLAG_STOPF: Stop detection flag |
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395 * @arg I2C_FLAG_ADD10: 10-bit header sent flag |
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396 * @arg I2C_FLAG_BTF: Byte transfer finished flag |
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397 * @arg I2C_FLAG_ADDR: Address sent flag |
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398 * Address matched flag |
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399 * @arg I2C_FLAG_SB: Start bit flag |
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400 * @arg I2C_FLAG_DUALF: Dual flag |
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401 * @arg I2C_FLAG_SMBHOST: SMBus host header |
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402 * @arg I2C_FLAG_SMBDEFAULT: SMBus default header |
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403 * @arg I2C_FLAG_GENCALL: General call header flag |
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404 * @arg I2C_FLAG_TRA: Transmitter/Receiver flag |
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405 * @arg I2C_FLAG_BUSY: Bus busy flag |
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406 * @arg I2C_FLAG_MSL: Master/Slave flag |
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407 * @retval The new state of __FLAG__ (TRUE or FALSE). |
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408 */ |
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409 #define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) ((((uint8_t)((__FLAG__) >> 16U)) == 0x01U)?((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)): \ |
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410 ((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK))) |
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411 |
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412 /** @brief Clears the I2C pending flags which are cleared by writing 0 in a specific bit. |
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413 * @param __HANDLE__ specifies the I2C Handle. |
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414 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
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415 * @param __FLAG__ specifies the flag to clear. |
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416 * This parameter can be any combination of the following values: |
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417 * @arg I2C_FLAG_SMBALERT: SMBus Alert flag |
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418 * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag |
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419 * @arg I2C_FLAG_PECERR: PEC error in reception flag |
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420 * @arg I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode) |
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421 * @arg I2C_FLAG_AF: Acknowledge failure flag |
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422 * @arg I2C_FLAG_ARLO: Arbitration lost flag (Master mode) |
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423 * @arg I2C_FLAG_BERR: Bus error flag |
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424 * @retval None |
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425 */ |
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426 #define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK)) |
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427 |
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428 /** @brief Clears the I2C ADDR pending flag. |
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429 * @param __HANDLE__ specifies the I2C Handle. |
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430 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
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431 * @retval None |
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432 */ |
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433 #define __HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__) \ |
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434 do{ \ |
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435 __IO uint32_t tmpreg = 0x00U; \ |
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436 tmpreg = (__HANDLE__)->Instance->SR1; \ |
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437 tmpreg = (__HANDLE__)->Instance->SR2; \ |
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438 UNUSED(tmpreg); \ |
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439 } while(0) |
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440 |
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441 /** @brief Clears the I2C STOPF pending flag. |
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442 * @param __HANDLE__ specifies the I2C Handle. |
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443 * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
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444 * @retval None |
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445 */ |
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446 #define __HAL_I2C_CLEAR_STOPFLAG(__HANDLE__) \ |
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447 do{ \ |
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448 __IO uint32_t tmpreg = 0x00U; \ |
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449 tmpreg = (__HANDLE__)->Instance->SR1; \ |
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450 (__HANDLE__)->Instance->CR1 |= I2C_CR1_PE; \ |
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451 UNUSED(tmpreg); \ |
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452 } while(0) |
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453 |
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454 /** @brief Enable the I2C peripheral. |
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455 * @param __HANDLE__ specifies the I2C Handle. |
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456 * This parameter can be I2Cx where x: 1 or 2 to select the I2C peripheral. |
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457 * @retval None |
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458 */ |
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459 #define __HAL_I2C_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= I2C_CR1_PE) |
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460 |
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461 /** @brief Disable the I2C peripheral. |
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462 * @param __HANDLE__ specifies the I2C Handle. |
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463 * This parameter can be I2Cx where x: 1 or 2 to select the I2C peripheral. |
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464 * @retval None |
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465 */ |
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466 #define __HAL_I2C_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~I2C_CR1_PE) |
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467 |
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468 /** |
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469 * @} |
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470 */ |
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471 |
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472 /* Include I2C HAL Extension module */ |
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473 #include "stm32f4xx_hal_i2c_ex.h" |
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474 |
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475 /* Exported functions --------------------------------------------------------*/ |
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476 /** @addtogroup I2C_Exported_Functions |
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477 * @{ |
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478 */ |
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479 |
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480 /** @addtogroup I2C_Exported_Functions_Group1 |
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481 * @{ |
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482 */ |
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483 /* Initialization/de-initialization functions **********************************/ |
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484 HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c); |
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485 HAL_StatusTypeDef HAL_I2C_DeInit (I2C_HandleTypeDef *hi2c); |
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486 void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c); |
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487 void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c); |
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488 /** |
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489 * @} |
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490 */ |
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491 |
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492 /** @addtogroup I2C_Exported_Functions_Group2 |
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493 * @{ |
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494 */ |
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495 /* I/O operation functions *****************************************************/ |
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496 /******* Blocking mode: Polling */ |
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497 HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); |
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498 HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); |
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499 HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout); |
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500 HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout); |
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501 HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout); |
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502 HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout); |
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503 HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout); |
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504 |
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505 /******* Non-Blocking mode: Interrupt */ |
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506 HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); |
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507 HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); |
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508 HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); |
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509 HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); |
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510 HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); |
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511 HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); |
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512 |
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513 HAL_StatusTypeDef HAL_I2C_Master_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
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514 HAL_StatusTypeDef HAL_I2C_Master_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
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515 HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
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516 HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
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517 HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress); |
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518 HAL_StatusTypeDef HAL_I2C_EnableListen_IT(I2C_HandleTypeDef *hi2c); |
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519 HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c); |
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520 |
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521 /******* Non-Blocking mode: DMA */ |
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522 HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); |
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523 HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); |
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524 HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); |
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525 HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); |
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526 HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); |
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527 HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); |
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528 |
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529 /******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */ |
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530 void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c); |
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531 void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c); |
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532 void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c); |
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533 void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c); |
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534 void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c); |
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535 void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c); |
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536 void HAL_I2C_AddrCallback(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode); |
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537 void HAL_I2C_ListenCpltCallback(I2C_HandleTypeDef *hi2c); |
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538 void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c); |
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539 void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c); |
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540 void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c); |
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541 void HAL_I2C_AbortCpltCallback(I2C_HandleTypeDef *hi2c); |
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542 /** |
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543 * @} |
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544 */ |
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545 |
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546 /** @addtogroup I2C_Exported_Functions_Group3 |
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547 * @{ |
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548 */ |
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549 /* Peripheral State, Mode and Errors functions *********************************/ |
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550 HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c); |
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551 HAL_I2C_ModeTypeDef HAL_I2C_GetMode(I2C_HandleTypeDef *hi2c); |
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552 uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c); |
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553 |
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554 /** |
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555 * @} |
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556 */ |
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557 |
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558 /** |
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559 * @} |
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560 */ |
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561 /* Private types -------------------------------------------------------------*/ |
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562 /* Private variables ---------------------------------------------------------*/ |
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563 /* Private constants ---------------------------------------------------------*/ |
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564 /** @defgroup I2C_Private_Constants I2C Private Constants |
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565 * @{ |
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566 */ |
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567 #define I2C_FLAG_MASK 0x0000FFFFU |
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568 /** |
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569 * @} |
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570 */ |
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571 |
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572 /* Private macros ------------------------------------------------------------*/ |
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573 /** @defgroup I2C_Private_Macros I2C Private Macros |
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574 * @{ |
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575 */ |
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576 |
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577 #define I2C_FREQRANGE(__PCLK__) ((__PCLK__)/1000000U) |
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578 #define I2C_RISE_TIME(__FREQRANGE__, __SPEED__) (((__SPEED__) <= 100000U) ? ((__FREQRANGE__) + 1U) : ((((__FREQRANGE__) * 300U) / 1000U) + 1U)) |
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579 #define I2C_SPEED_STANDARD(__PCLK__, __SPEED__) (((((__PCLK__)/((__SPEED__) << 1U)) & I2C_CCR_CCR) < 4U)? 4U:((__PCLK__) / ((__SPEED__) << 1U))) |
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580 #define I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? ((__PCLK__) / ((__SPEED__) * 3U)) : (((__PCLK__) / ((__SPEED__) * 25U)) | I2C_DUTYCYCLE_16_9)) |
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581 #define I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__SPEED__) <= 100000U)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \ |
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582 ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0U)? 1U : \ |
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583 ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS)) |
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584 |
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585 #define I2C_7BIT_ADD_WRITE(__ADDRESS__) ((uint8_t)((__ADDRESS__) & (~I2C_OAR1_ADD0))) |
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586 #define I2C_7BIT_ADD_READ(__ADDRESS__) ((uint8_t)((__ADDRESS__) | I2C_OAR1_ADD0)) |
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587 |
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588 #define I2C_10BIT_ADDRESS(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)0x00FF))) |
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589 #define I2C_10BIT_HEADER_WRITE(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0x0300)) >> 7) | (uint16_t)0x00F0))) |
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590 #define I2C_10BIT_HEADER_READ(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0x0300)) >> 7) | (uint16_t)(0x00F1)))) |
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591 |
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592 #define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0xFF00)) >> 8))) |
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593 #define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)0x00FF))) |
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594 |
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595 /** @defgroup I2C_IS_RTC_Definitions I2C Private macros to check input parameters |
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596 * @{ |
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597 */ |
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598 #define IS_I2C_DUTY_CYCLE(CYCLE) (((CYCLE) == I2C_DUTYCYCLE_2) || \ |
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599 ((CYCLE) == I2C_DUTYCYCLE_16_9)) |
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600 #define IS_I2C_ADDRESSING_MODE(ADDRESS) (((ADDRESS) == I2C_ADDRESSINGMODE_7BIT) || \ |
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601 ((ADDRESS) == I2C_ADDRESSINGMODE_10BIT)) |
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602 #define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \ |
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603 ((ADDRESS) == I2C_DUALADDRESS_ENABLE)) |
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604 #define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \ |
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605 ((CALL) == I2C_GENERALCALL_ENABLE)) |
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606 #define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \ |
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607 ((STRETCH) == I2C_NOSTRETCH_ENABLE)) |
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608 #define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \ |
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609 ((SIZE) == I2C_MEMADD_SIZE_16BIT)) |
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610 #define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) > 0U) && ((SPEED) <= 400000U)) |
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611 #define IS_I2C_OWN_ADDRESS1(ADDRESS1) (((ADDRESS1) & 0xFFFFFC00U) == 0U) |
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612 #define IS_I2C_OWN_ADDRESS2(ADDRESS2) (((ADDRESS2) & 0xFFFFFF01U) == 0U) |
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613 #define IS_I2C_TRANSFER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == I2C_FIRST_FRAME) || \ |
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614 ((REQUEST) == I2C_NEXT_FRAME) || \ |
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615 ((REQUEST) == I2C_FIRST_AND_LAST_FRAME) || \ |
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616 ((REQUEST) == I2C_LAST_FRAME)) |
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617 /** |
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618 * @} |
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619 */ |
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620 |
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621 /** |
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622 * @} |
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623 */ |
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624 |
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625 /* Private functions ---------------------------------------------------------*/ |
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626 /** @defgroup I2C_Private_Functions I2C Private Functions |
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627 * @{ |
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628 */ |
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629 |
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630 /** |
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631 * @} |
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632 */ |
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633 |
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634 /** |
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635 * @} |
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636 */ |
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637 |
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638 /** |
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639 * @} |
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640 */ |
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641 |
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642 #ifdef __cplusplus |
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643 } |
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644 #endif |
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645 |
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646 |
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647 #endif /* __STM32F4xx_HAL_I2C_H */ |
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648 |
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649 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |