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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h @ 538:b1eee27cd02b

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BugFix firmware downgrade to version with less settings: If a downgrade to a firmware version using less setting parameter were done then the settings had been reset to the default values. Root cause was that only increased number of settings was accepted by the read function. Because the layout of the setting structure is fixed (only bytes attached, no change in the order of data values) a downgrade just discarding the no longer used settings is possible => Updated read function to handle reduction of setting parameters.
author Ideenmodellierer
date Sat, 10 Oct 2020 13:51:44 +0200
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_gpio.h
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4 * @author MCD Application Team
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5 * @brief Header file of GPIO 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>&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_GPIO_H
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38 #define __STM32F4xx_HAL_GPIO_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 GPIO
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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 GPIO_Exported_Types GPIO 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 GPIO Init 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 Pin; /*!< Specifies the GPIO pins to be configured.
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66 This parameter can be any value of @ref GPIO_pins_define */
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67
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68 uint32_t Mode; /*!< Specifies the operating mode for the selected pins.
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69 This parameter can be a value of @ref GPIO_mode_define */
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70
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71 uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
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72 This parameter can be a value of @ref GPIO_pull_define */
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73
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74 uint32_t Speed; /*!< Specifies the speed for the selected pins.
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75 This parameter can be a value of @ref GPIO_speed_define */
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76
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77 uint32_t Alternate; /*!< Peripheral to be connected to the selected pins.
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78 This parameter can be a value of @ref GPIO_Alternate_function_selection */
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79 }GPIO_InitTypeDef;
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80
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81 /**
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82 * @brief GPIO Bit SET and Bit RESET enumeration
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83 */
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84 typedef enum
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85 {
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86 GPIO_PIN_RESET = 0,
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87 GPIO_PIN_SET
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88 }GPIO_PinState;
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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 /* Exported constants --------------------------------------------------------*/
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94
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95 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
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96 * @{
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97 */
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98
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99 /** @defgroup GPIO_pins_define GPIO pins define
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100 * @{
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101 */
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102 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
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103 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
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104 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
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105 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
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106 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
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107 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
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108 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
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109 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
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110 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
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111 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
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112 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
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113 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
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114 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
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115 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
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116 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
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117 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
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118 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
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119
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120 #define GPIO_PIN_MASK 0x0000FFFFU /* PIN mask for assert test */
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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 /** @defgroup GPIO_mode_define GPIO mode define
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126 * @brief GPIO Configuration Mode
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127 * Elements values convention: 0xX0yz00YZ
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128 * - X : GPIO mode or EXTI Mode
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129 * - y : External IT or Event trigger detection
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130 * - z : IO configuration on External IT or Event
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131 * - Y : Output type (Push Pull or Open Drain)
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132 * - Z : IO Direction mode (Input, Output, Alternate or Analog)
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133 * @{
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134 */
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135 #define GPIO_MODE_INPUT 0x00000000U /*!< Input Floating Mode */
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136 #define GPIO_MODE_OUTPUT_PP 0x00000001U /*!< Output Push Pull Mode */
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137 #define GPIO_MODE_OUTPUT_OD 0x00000011U /*!< Output Open Drain Mode */
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138 #define GPIO_MODE_AF_PP 0x00000002U /*!< Alternate Function Push Pull Mode */
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139 #define GPIO_MODE_AF_OD 0x00000012U /*!< Alternate Function Open Drain Mode */
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140
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141 #define GPIO_MODE_ANALOG 0x00000003U /*!< Analog Mode */
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142
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143 #define GPIO_MODE_IT_RISING 0x10110000U /*!< External Interrupt Mode with Rising edge trigger detection */
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144 #define GPIO_MODE_IT_FALLING 0x10210000U /*!< External Interrupt Mode with Falling edge trigger detection */
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145 #define GPIO_MODE_IT_RISING_FALLING 0x10310000U /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
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146
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147 #define GPIO_MODE_EVT_RISING 0x10120000U /*!< External Event Mode with Rising edge trigger detection */
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148 #define GPIO_MODE_EVT_FALLING 0x10220000U /*!< External Event Mode with Falling edge trigger detection */
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149 #define GPIO_MODE_EVT_RISING_FALLING 0x10320000U /*!< External Event Mode with Rising/Falling edge trigger detection */
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150 /**
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151 * @}
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152 */
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153
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154 /** @defgroup GPIO_speed_define GPIO speed define
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155 * @brief GPIO Output Maximum frequency
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156 * @{
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157 */
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158 #define GPIO_SPEED_FREQ_LOW 0x00000000U /*!< IO works at 2 MHz, please refer to the product datasheet */
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159 #define GPIO_SPEED_FREQ_MEDIUM 0x00000001U /*!< range 12,5 MHz to 50 MHz, please refer to the product datasheet */
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160 #define GPIO_SPEED_FREQ_HIGH 0x00000002U /*!< range 25 MHz to 100 MHz, please refer to the product datasheet */
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161 #define GPIO_SPEED_FREQ_VERY_HIGH 0x00000003U /*!< range 50 MHz to 200 MHz, please refer to the product datasheet */
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162 /**
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163 * @}
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164 */
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165
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166 /** @defgroup GPIO_pull_define GPIO pull define
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167 * @brief GPIO Pull-Up or Pull-Down Activation
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168 * @{
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169 */
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170 #define GPIO_NOPULL 0x00000000U /*!< No Pull-up or Pull-down activation */
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171 #define GPIO_PULLUP 0x00000001U /*!< Pull-up activation */
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172 #define GPIO_PULLDOWN 0x00000002U /*!< Pull-down activation */
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173 /**
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174 * @}
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175 */
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176
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177 /**
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178 * @}
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179 */
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180
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181 /* Exported macro ------------------------------------------------------------*/
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182 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
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183 * @{
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184 */
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185
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186 /**
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187 * @brief Checks whether the specified EXTI line flag is set or not.
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188 * @param __EXTI_LINE__ specifies the EXTI line flag to check.
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189 * This parameter can be GPIO_PIN_x where x can be(0..15)
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190 * @retval The new state of __EXTI_LINE__ (SET or RESET).
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191 */
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192 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
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193
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194 /**
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195 * @brief Clears the EXTI's line pending flags.
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196 * @param __EXTI_LINE__ specifies the EXTI lines flags to clear.
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197 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
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198 * @retval None
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199 */
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200 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
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201
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202 /**
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203 * @brief Checks whether the specified EXTI line is asserted or not.
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204 * @param __EXTI_LINE__ specifies the EXTI line to check.
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205 * This parameter can be GPIO_PIN_x where x can be(0..15)
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206 * @retval The new state of __EXTI_LINE__ (SET or RESET).
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207 */
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208 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
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209
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210 /**
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211 * @brief Clears the EXTI's line pending bits.
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212 * @param __EXTI_LINE__ specifies the EXTI lines to clear.
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213 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
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214 * @retval None
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215 */
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216 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
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217
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218 /**
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219 * @brief Generates a Software interrupt on selected EXTI line.
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220 * @param __EXTI_LINE__ specifies the EXTI line to check.
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221 * This parameter can be GPIO_PIN_x where x can be(0..15)
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222 * @retval None
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223 */
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224 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__))
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225 /**
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226 * @}
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227 */
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228
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229 /* Include GPIO HAL Extension module */
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230 #include "stm32f4xx_hal_gpio_ex.h"
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231
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232 /* Exported functions --------------------------------------------------------*/
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233 /** @addtogroup GPIO_Exported_Functions
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234 * @{
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235 */
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236
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237 /** @addtogroup GPIO_Exported_Functions_Group1
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238 * @{
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239 */
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240 /* Initialization and de-initialization functions *****************************/
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241 void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init);
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242 void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin);
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243 /**
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244 * @}
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245 */
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246
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247 /** @addtogroup GPIO_Exported_Functions_Group2
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248 * @{
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249 */
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250 /* IO operation functions *****************************************************/
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251 GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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252 void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
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253 void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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254 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
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255 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
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256 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
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257
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258 /**
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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 * @}
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264 */
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265 /* Private types -------------------------------------------------------------*/
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266 /* Private variables ---------------------------------------------------------*/
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267 /* Private constants ---------------------------------------------------------*/
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268 /** @defgroup GPIO_Private_Constants GPIO Private Constants
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269 * @{
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270 */
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271
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272 /**
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273 * @}
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274 */
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275
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276 /* Private macros ------------------------------------------------------------*/
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277 /** @defgroup GPIO_Private_Macros GPIO Private Macros
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278 * @{
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279 */
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280 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
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281 #define IS_GPIO_PIN(PIN) ((((PIN) & GPIO_PIN_MASK ) != 0x00U) && (((PIN) & ~GPIO_PIN_MASK) == 0x00U))
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282 #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\
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283 ((MODE) == GPIO_MODE_OUTPUT_PP) ||\
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284 ((MODE) == GPIO_MODE_OUTPUT_OD) ||\
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285 ((MODE) == GPIO_MODE_AF_PP) ||\
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286 ((MODE) == GPIO_MODE_AF_OD) ||\
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287 ((MODE) == GPIO_MODE_IT_RISING) ||\
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288 ((MODE) == GPIO_MODE_IT_FALLING) ||\
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289 ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\
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290 ((MODE) == GPIO_MODE_EVT_RISING) ||\
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291 ((MODE) == GPIO_MODE_EVT_FALLING) ||\
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292 ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\
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293 ((MODE) == GPIO_MODE_ANALOG))
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294 #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || \
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295 ((SPEED) == GPIO_SPEED_FREQ_HIGH) || ((SPEED) == GPIO_SPEED_FREQ_VERY_HIGH))
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296 #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \
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297 ((PULL) == GPIO_PULLDOWN))
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298 /**
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299 * @}
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300 */
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301
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302 /* Private functions ---------------------------------------------------------*/
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303 /** @defgroup GPIO_Private_Functions GPIO Private Functions
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304 * @{
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305 */
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306
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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 /**
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312 * @}
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313 */
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314
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315 /**
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316 * @}
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317 */
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318
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319 #ifdef __cplusplus
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320 }
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321 #endif
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322
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323 #endif /* __STM32F4xx_HAL_GPIO_H */
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324
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325 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/