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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32f1xx_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 | * Copyright (c) 2016 STMicroelectronics. |
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| 10 | * All rights reserved. |
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| 11 | * |
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| 12 | * This software is licensed under terms that can be found in the LICENSE file |
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| 13 | * in the root directory of this software component. |
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| 14 | * If no LICENSE file comes with this software, it is provided AS-IS. |
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| 15 | * |
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| 16 | ****************************************************************************** |
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| 17 | */ |
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| 18 | |||
| 19 | /* Define to prevent recursive inclusion -------------------------------------*/ |
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| 20 | #ifndef STM32F1xx_HAL_GPIO_H |
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| 21 | #define STM32F1xx_HAL_GPIO_H |
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| 22 | |||
| 23 | #ifdef __cplusplus |
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| 24 | extern "C" { |
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| 25 | #endif |
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| 26 | |||
| 27 | /* Includes ------------------------------------------------------------------*/ |
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| 28 | #include "stm32f1xx_hal_def.h" |
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| 29 | |||
| 30 | /** @addtogroup STM32F1xx_HAL_Driver |
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| 31 | * @{ |
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| 32 | */ |
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| 33 | |||
| 34 | /** @addtogroup GPIO |
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| 35 | * @{ |
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| 36 | */ |
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| 37 | |||
| 38 | /* Exported types ------------------------------------------------------------*/ |
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| 39 | /** @defgroup GPIO_Exported_Types GPIO Exported Types |
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| 40 | * @{ |
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| 41 | */ |
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| 42 | |||
| 43 | /** |
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| 44 | * @brief GPIO Init structure definition |
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| 45 | */ |
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| 46 | typedef struct |
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| 47 | { |
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| 48 | uint32_t Pin; /*!< Specifies the GPIO pins to be configured. |
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| 49 | This parameter can be any value of @ref GPIO_pins_define */ |
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| 50 | |||
| 51 | uint32_t Mode; /*!< Specifies the operating mode for the selected pins. |
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| 52 | This parameter can be a value of @ref GPIO_mode_define */ |
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| 53 | |||
| 54 | uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins. |
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| 55 | This parameter can be a value of @ref GPIO_pull_define */ |
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| 56 | |||
| 57 | uint32_t Speed; /*!< Specifies the speed for the selected pins. |
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| 58 | This parameter can be a value of @ref GPIO_speed_define */ |
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| 59 | } GPIO_InitTypeDef; |
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| 60 | |||
| 61 | /** |
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| 62 | * @brief GPIO Bit SET and Bit RESET enumeration |
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| 63 | */ |
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| 64 | typedef enum |
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| 65 | { |
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| 66 | GPIO_PIN_RESET = 0u, |
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| 67 | GPIO_PIN_SET |
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| 68 | } GPIO_PinState; |
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| 69 | /** |
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| 70 | * @} |
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| 71 | */ |
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| 72 | |||
| 73 | /* Exported constants --------------------------------------------------------*/ |
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| 74 | |||
| 75 | /** @defgroup GPIO_Exported_Constants GPIO Exported Constants |
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| 76 | * @{ |
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| 77 | */ |
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| 78 | |||
| 79 | /** @defgroup GPIO_pins_define GPIO pins define |
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| 80 | * @{ |
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| 81 | */ |
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| 82 | #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */ |
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| 83 | #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */ |
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| 84 | #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */ |
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| 85 | #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */ |
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| 86 | #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */ |
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| 87 | #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */ |
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| 88 | #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */ |
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| 89 | #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */ |
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| 90 | #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */ |
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| 91 | #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */ |
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| 92 | #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */ |
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| 93 | #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */ |
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| 94 | #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */ |
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| 95 | #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */ |
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| 96 | #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */ |
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| 97 | #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */ |
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| 98 | #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */ |
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| 99 | |||
| 100 | #define GPIO_PIN_MASK 0x0000FFFFu /* PIN mask for assert test */ |
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| 101 | /** |
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| 102 | * @} |
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| 103 | */ |
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| 104 | |||
| 105 | /** @defgroup GPIO_mode_define GPIO mode define |
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| 106 | * @brief GPIO Configuration Mode |
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| 107 | * Elements values convention: 0xX0yz00YZ |
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| 108 | * - X : GPIO mode or EXTI Mode |
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| 109 | * - y : External IT or Event trigger detection |
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| 110 | * - z : IO configuration on External IT or Event |
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| 111 | * - Y : Output type (Push Pull or Open Drain) |
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| 112 | * - Z : IO Direction mode (Input, Output, Alternate or Analog) |
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| 113 | * @{ |
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| 114 | */ |
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| 115 | #define GPIO_MODE_INPUT 0x00000000u /*!< Input Floating Mode */ |
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| 116 | #define GPIO_MODE_OUTPUT_PP 0x00000001u /*!< Output Push Pull Mode */ |
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| 117 | #define GPIO_MODE_OUTPUT_OD 0x00000011u /*!< Output Open Drain Mode */ |
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| 118 | #define GPIO_MODE_AF_PP 0x00000002u /*!< Alternate Function Push Pull Mode */ |
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| 119 | #define GPIO_MODE_AF_OD 0x00000012u /*!< Alternate Function Open Drain Mode */ |
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| 120 | #define GPIO_MODE_AF_INPUT GPIO_MODE_INPUT /*!< Alternate Function Input Mode */ |
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| 121 | |||
| 122 | #define GPIO_MODE_ANALOG 0x00000003u /*!< Analog Mode */ |
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| 123 | |||
| 124 | #define GPIO_MODE_IT_RISING 0x10110000u /*!< External Interrupt Mode with Rising edge trigger detection */ |
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| 125 | #define GPIO_MODE_IT_FALLING 0x10210000u /*!< External Interrupt Mode with Falling edge trigger detection */ |
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| 126 | #define GPIO_MODE_IT_RISING_FALLING 0x10310000u /*!< External Interrupt Mode with Rising/Falling edge trigger detection */ |
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| 127 | |||
| 128 | #define GPIO_MODE_EVT_RISING 0x10120000u /*!< External Event Mode with Rising edge trigger detection */ |
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| 129 | #define GPIO_MODE_EVT_FALLING 0x10220000u /*!< External Event Mode with Falling edge trigger detection */ |
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| 130 | #define GPIO_MODE_EVT_RISING_FALLING 0x10320000u /*!< External Event Mode with Rising/Falling edge trigger detection */ |
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| 131 | |||
| 132 | /** |
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| 133 | * @} |
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| 134 | */ |
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| 135 | |||
| 136 | /** @defgroup GPIO_speed_define GPIO speed define |
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| 137 | * @brief GPIO Output Maximum frequency |
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| 138 | * @{ |
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| 139 | */ |
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| 140 | #define GPIO_SPEED_FREQ_LOW (GPIO_CRL_MODE0_1) /*!< Low speed */ |
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| 141 | #define GPIO_SPEED_FREQ_MEDIUM (GPIO_CRL_MODE0_0) /*!< Medium speed */ |
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| 142 | #define GPIO_SPEED_FREQ_HIGH (GPIO_CRL_MODE0) /*!< High speed */ |
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| 143 | |||
| 144 | /** |
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| 145 | * @} |
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| 146 | */ |
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| 147 | |||
| 148 | /** @defgroup GPIO_pull_define GPIO pull define |
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| 149 | * @brief GPIO Pull-Up or Pull-Down Activation |
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| 150 | * @{ |
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| 151 | */ |
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| 152 | #define GPIO_NOPULL 0x00000000u /*!< No Pull-up or Pull-down activation */ |
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| 153 | #define GPIO_PULLUP 0x00000001u /*!< Pull-up activation */ |
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| 154 | #define GPIO_PULLDOWN 0x00000002u /*!< Pull-down activation */ |
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| 155 | /** |
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| 156 | * @} |
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| 157 | */ |
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| 158 | |||
| 159 | /** |
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| 160 | * @} |
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| 161 | */ |
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| 162 | |||
| 163 | /* Exported macro ------------------------------------------------------------*/ |
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| 164 | /** @defgroup GPIO_Exported_Macros GPIO Exported Macros |
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| 165 | * @{ |
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| 166 | */ |
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| 167 | |||
| 168 | /** |
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| 169 | * @brief Checks whether the specified EXTI line flag is set or not. |
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| 170 | * @param __EXTI_LINE__: specifies the EXTI line flag to check. |
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| 171 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 172 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 173 | */ |
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| 174 | #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 175 | |||
| 176 | /** |
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| 177 | * @brief Clears the EXTI's line pending flags. |
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| 178 | * @param __EXTI_LINE__: specifies the EXTI lines flags to clear. |
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| 179 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
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| 180 | * @retval None |
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| 181 | */ |
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| 182 | #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 183 | |||
| 184 | /** |
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| 185 | * @brief Checks whether the specified EXTI line is asserted or not. |
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| 186 | * @param __EXTI_LINE__: specifies the EXTI line to check. |
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| 187 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 188 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 189 | */ |
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| 190 | #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 191 | |||
| 192 | /** |
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| 193 | * @brief Clears the EXTI's line pending bits. |
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| 194 | * @param __EXTI_LINE__: specifies the EXTI lines to clear. |
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| 195 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
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| 196 | * @retval None |
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| 197 | */ |
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| 198 | #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 199 | |||
| 200 | /** |
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| 201 | * @brief Generates a Software interrupt on selected EXTI line. |
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| 202 | * @param __EXTI_LINE__: specifies the EXTI line to check. |
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| 203 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 204 | * @retval None |
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| 205 | */ |
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| 206 | #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__)) |
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| 207 | /** |
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| 208 | * @} |
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| 209 | */ |
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| 210 | |||
| 211 | /* Include GPIO HAL Extension module */ |
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| 212 | #include "stm32f1xx_hal_gpio_ex.h" |
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| 213 | |||
| 214 | /* Exported functions --------------------------------------------------------*/ |
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| 215 | /** @addtogroup GPIO_Exported_Functions |
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| 216 | * @{ |
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| 217 | */ |
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| 218 | |||
| 219 | /** @addtogroup GPIO_Exported_Functions_Group1 |
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| 220 | * @{ |
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| 221 | */ |
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| 222 | /* Initialization and de-initialization functions *****************************/ |
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| 223 | void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init); |
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| 224 | void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin); |
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| 225 | /** |
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| 226 | * @} |
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| 227 | */ |
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| 228 | |||
| 229 | /** @addtogroup GPIO_Exported_Functions_Group2 |
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| 230 | * @{ |
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| 231 | */ |
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| 232 | /* IO operation functions *****************************************************/ |
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| 233 | GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 234 | void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState); |
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| 235 | void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 236 | HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 237 | void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin); |
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| 238 | void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin); |
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| 239 | |||
| 240 | /** |
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| 241 | * @} |
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| 242 | */ |
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| 243 | |||
| 244 | /** |
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| 245 | * @} |
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| 246 | */ |
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| 247 | /* Private types -------------------------------------------------------------*/ |
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| 248 | /* Private variables ---------------------------------------------------------*/ |
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| 249 | /* Private constants ---------------------------------------------------------*/ |
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| 250 | /** @defgroup GPIO_Private_Constants GPIO Private Constants |
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| 251 | * @{ |
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| 252 | */ |
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| 253 | |||
| 254 | /** |
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| 255 | * @} |
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| 256 | */ |
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| 257 | |||
| 258 | /* Private macros ------------------------------------------------------------*/ |
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| 259 | /** @defgroup GPIO_Private_Macros GPIO Private Macros |
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| 260 | * @{ |
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| 261 | */ |
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| 262 | #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET)) |
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| 263 | #define IS_GPIO_PIN(PIN) (((((uint32_t)PIN) & GPIO_PIN_MASK ) != 0x00u) && ((((uint32_t)PIN) & ~GPIO_PIN_MASK) == 0x00u)) |
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| 264 | #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\ |
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| 265 | ((MODE) == GPIO_MODE_OUTPUT_PP) ||\ |
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| 266 | ((MODE) == GPIO_MODE_OUTPUT_OD) ||\ |
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| 267 | ((MODE) == GPIO_MODE_AF_PP) ||\ |
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| 268 | ((MODE) == GPIO_MODE_AF_OD) ||\ |
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| 269 | ((MODE) == GPIO_MODE_IT_RISING) ||\ |
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| 270 | ((MODE) == GPIO_MODE_IT_FALLING) ||\ |
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| 271 | ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\ |
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| 272 | ((MODE) == GPIO_MODE_EVT_RISING) ||\ |
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| 273 | ((MODE) == GPIO_MODE_EVT_FALLING) ||\ |
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| 274 | ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\ |
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| 275 | ((MODE) == GPIO_MODE_ANALOG)) |
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| 276 | #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || \ |
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| 277 | ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || ((SPEED) == GPIO_SPEED_FREQ_HIGH)) |
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| 278 | #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \ |
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| 279 | ((PULL) == GPIO_PULLDOWN)) |
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| 280 | /** |
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| 281 | * @} |
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| 282 | */ |
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| 283 | |||
| 284 | /* Private functions ---------------------------------------------------------*/ |
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| 285 | /** @defgroup GPIO_Private_Functions GPIO Private Functions |
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| 286 | * @{ |
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| 287 | */ |
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| 288 | |||
| 289 | /** |
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| 290 | * @} |
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| 291 | */ |
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| 292 | |||
| 293 | /** |
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| 294 | * @} |
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| 295 | */ |
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| 296 | |||
| 297 | /** |
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| 298 | * @} |
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| 299 | */ |
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| 300 | |||
| 301 | #ifdef __cplusplus |
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| 302 | } |
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| 303 | #endif |
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| 304 | |||
| 305 | #endif /* STM32F1xx_HAL_GPIO_H */ |
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| 306 |