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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32f0xx_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>© Copyright (c) 2016 STMicroelectronics. |
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| 10 | * All rights reserved.</center></h2> |
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| 11 | * |
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| 12 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 13 | * the "License"; You may not use this file except in compliance with the |
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| 14 | * License. You may obtain a copy of the License at: |
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| 15 | * opensource.org/licenses/BSD-3-Clause |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 19 | |||
| 20 | /* Define to prevent recursive inclusion -------------------------------------*/ |
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| 21 | #ifndef __STM32F0xx_HAL_GPIO_H |
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| 22 | #define __STM32F0xx_HAL_GPIO_H |
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| 23 | |||
| 24 | #ifdef __cplusplus |
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| 25 | extern "C" { |
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| 26 | #endif |
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| 27 | |||
| 28 | /* Includes ------------------------------------------------------------------*/ |
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| 29 | #include "stm32f0xx_hal_def.h" |
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| 30 | |||
| 31 | /** @addtogroup STM32F0xx_HAL_Driver |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | |||
| 35 | /** @addtogroup GPIO |
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| 36 | * @{ |
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| 37 | */ |
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| 38 | |||
| 39 | /* Exported types ------------------------------------------------------------*/ |
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| 40 | |||
| 41 | /** @defgroup GPIO_Exported_Types GPIO Exported Types |
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| 42 | * @{ |
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| 43 | */ |
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| 44 | /** |
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| 45 | * @brief GPIO Init structure definition |
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| 46 | */ |
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| 47 | typedef struct |
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| 48 | { |
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| 49 | uint32_t Pin; /*!< Specifies the GPIO pins to be configured. |
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| 50 | This parameter can be any value of @ref GPIO_pins */ |
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| 51 | |||
| 52 | uint32_t Mode; /*!< Specifies the operating mode for the selected pins. |
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| 53 | This parameter can be a value of @ref GPIO_mode */ |
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| 54 | |||
| 55 | uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins. |
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| 56 | This parameter can be a value of @ref GPIO_pull */ |
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| 57 | |||
| 58 | uint32_t Speed; /*!< Specifies the speed for the selected pins. |
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| 59 | This parameter can be a value of @ref GPIO_speed */ |
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| 60 | |||
| 61 | uint32_t Alternate; /*!< Peripheral to be connected to the selected pins |
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| 62 | This parameter can be a value of @ref GPIOEx_Alternate_function_selection */ |
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| 63 | }GPIO_InitTypeDef; |
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| 64 | |||
| 65 | /** |
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| 66 | * @brief GPIO Bit SET and Bit RESET enumeration |
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| 67 | */ |
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| 68 | typedef enum |
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| 69 | { |
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| 70 | GPIO_PIN_RESET = 0U, |
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| 71 | GPIO_PIN_SET |
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| 72 | }GPIO_PinState; |
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| 73 | /** |
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| 74 | * @} |
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| 75 | */ |
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| 76 | |||
| 77 | /* Exported constants --------------------------------------------------------*/ |
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| 78 | /** @defgroup GPIO_Exported_Constants GPIO Exported Constants |
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| 79 | * @{ |
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| 80 | */ |
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| 81 | /** @defgroup GPIO_pins GPIO pins |
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| 82 | * @{ |
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| 83 | */ |
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| 84 | #define GPIO_PIN_0 ((uint16_t)0x0001U) /* Pin 0 selected */ |
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| 85 | #define GPIO_PIN_1 ((uint16_t)0x0002U) /* Pin 1 selected */ |
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| 86 | #define GPIO_PIN_2 ((uint16_t)0x0004U) /* Pin 2 selected */ |
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| 87 | #define GPIO_PIN_3 ((uint16_t)0x0008U) /* Pin 3 selected */ |
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| 88 | #define GPIO_PIN_4 ((uint16_t)0x0010U) /* Pin 4 selected */ |
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| 89 | #define GPIO_PIN_5 ((uint16_t)0x0020U) /* Pin 5 selected */ |
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| 90 | #define GPIO_PIN_6 ((uint16_t)0x0040U) /* Pin 6 selected */ |
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| 91 | #define GPIO_PIN_7 ((uint16_t)0x0080U) /* Pin 7 selected */ |
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| 92 | #define GPIO_PIN_8 ((uint16_t)0x0100U) /* Pin 8 selected */ |
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| 93 | #define GPIO_PIN_9 ((uint16_t)0x0200U) /* Pin 9 selected */ |
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| 94 | #define GPIO_PIN_10 ((uint16_t)0x0400U) /* Pin 10 selected */ |
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| 95 | #define GPIO_PIN_11 ((uint16_t)0x0800U) /* Pin 11 selected */ |
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| 96 | #define GPIO_PIN_12 ((uint16_t)0x1000U) /* Pin 12 selected */ |
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| 97 | #define GPIO_PIN_13 ((uint16_t)0x2000U) /* Pin 13 selected */ |
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| 98 | #define GPIO_PIN_14 ((uint16_t)0x4000U) /* Pin 14 selected */ |
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| 99 | #define GPIO_PIN_15 ((uint16_t)0x8000U) /* Pin 15 selected */ |
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| 100 | #define GPIO_PIN_All ((uint16_t)0xFFFFU) /* All pins selected */ |
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| 101 | |||
| 102 | #define GPIO_PIN_MASK (0x0000FFFFU) /* PIN mask for assert test */ |
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| 103 | /** |
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| 104 | * @} |
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| 105 | */ |
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| 106 | |||
| 107 | /** @defgroup GPIO_mode GPIO mode |
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| 6 | mjames | 108 | * @brief GPIO Configuration Mode |
| 109 | * Elements values convention: 0x00WX00YZ |
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| 110 | * - W : EXTI trigger detection on 3 bits |
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| 111 | * - X : EXTI mode (IT or Event) on 2 bits |
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| 112 | * - Y : Output type (Push Pull or Open Drain) on 1 bit |
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| 113 | * - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits |
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| 2 | mjames | 114 | * @{ |
| 115 | */ |
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| 6 | mjames | 116 | #define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */ |
| 117 | #define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */ |
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| 118 | #define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */ |
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| 119 | #define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */ |
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| 120 | #define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */ |
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| 121 | |||
| 122 | #define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */ |
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| 123 | |||
| 124 | #define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */ |
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| 125 | #define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */ |
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| 126 | #define GPIO_MODE_IT_RISING_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */ |
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| 127 | |||
| 128 | #define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */ |
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| 129 | #define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */ |
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| 130 | #define GPIO_MODE_EVT_RISING_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Event Mode with Rising/Falling edge trigger detection *//** |
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| 2 | mjames | 131 | * @} |
| 132 | */ |
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| 133 | |||
| 134 | /** @defgroup GPIO_speed GPIO speed |
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| 135 | * @brief GPIO Output Maximum frequency |
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| 136 | * @{ |
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| 137 | */ |
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| 138 | #define GPIO_SPEED_FREQ_LOW (0x00000000U) /*!< range up to 2 MHz, please refer to the product datasheet */ |
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| 139 | #define GPIO_SPEED_FREQ_MEDIUM (0x00000001U) /*!< range 4 MHz to 10 MHz, please refer to the product datasheet */ |
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| 140 | #define GPIO_SPEED_FREQ_HIGH (0x00000003U) /*!< range 10 MHz to 50 MHz, please refer to the product datasheet */ |
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| 141 | /** |
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| 142 | * @} |
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| 143 | */ |
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| 144 | |||
| 145 | /** @defgroup GPIO_pull GPIO pull |
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| 146 | * @brief GPIO Pull-Up or Pull-Down Activation |
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| 147 | * @{ |
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| 148 | */ |
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| 149 | #define GPIO_NOPULL (0x00000000U) /*!< No Pull-up or Pull-down activation */ |
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| 150 | #define GPIO_PULLUP (0x00000001U) /*!< Pull-up activation */ |
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| 151 | #define GPIO_PULLDOWN (0x00000002U) /*!< Pull-down activation */ |
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| 152 | /** |
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| 153 | * @} |
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| 154 | */ |
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| 155 | |||
| 156 | /** |
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| 157 | * @} |
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| 158 | */ |
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| 159 | |||
| 160 | /* Exported macro ------------------------------------------------------------*/ |
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| 161 | /** @defgroup GPIO_Exported_Macros GPIO Exported Macros |
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| 162 | * @{ |
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| 163 | */ |
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| 164 | |||
| 165 | /** |
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| 166 | * @brief Check whether the specified EXTI line flag is set or not. |
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| 167 | * @param __EXTI_LINE__ specifies the EXTI line flag to check. |
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| 168 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 169 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 170 | */ |
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| 171 | #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 172 | |||
| 173 | /** |
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| 174 | * @brief Clear the EXTI's line pending flags. |
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| 175 | * @param __EXTI_LINE__ specifies the EXTI lines flags to clear. |
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| 176 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
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| 177 | * @retval None |
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| 178 | */ |
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| 179 | #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 180 | |||
| 181 | /** |
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| 182 | * @brief Check whether the specified EXTI line is asserted or not. |
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| 183 | * @param __EXTI_LINE__ specifies the EXTI line to check. |
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| 184 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 185 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 186 | */ |
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| 187 | #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 188 | |||
| 189 | /** |
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| 190 | * @brief Clear the EXTI's line pending bits. |
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| 191 | * @param __EXTI_LINE__ specifies the EXTI lines to clear. |
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| 192 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
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| 193 | * @retval None |
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| 194 | */ |
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| 195 | #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 196 | |||
| 197 | /** |
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| 198 | * @brief Generate a Software interrupt on selected EXTI line. |
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| 199 | * @param __EXTI_LINE__ specifies the EXTI line to check. |
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| 200 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 201 | * @retval None |
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| 202 | */ |
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| 203 | #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__)) |
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| 204 | |||
| 205 | /** |
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| 206 | * @} |
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| 207 | */ |
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| 208 | |||
| 209 | /* Private macros ------------------------------------------------------------*/ |
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| 6 | mjames | 210 | /** @defgroup GPIO_Private_Constants GPIO Private Constants |
| 211 | * @{ |
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| 212 | */ |
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| 213 | #define GPIO_MODE_Pos 0U |
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| 214 | #define GPIO_MODE (0x3UL << GPIO_MODE_Pos) |
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| 215 | #define MODE_INPUT (0x0UL << GPIO_MODE_Pos) |
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| 216 | #define MODE_OUTPUT (0x1UL << GPIO_MODE_Pos) |
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| 217 | #define MODE_AF (0x2UL << GPIO_MODE_Pos) |
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| 218 | #define MODE_ANALOG (0x3UL << GPIO_MODE_Pos) |
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| 219 | #define OUTPUT_TYPE_Pos 4U |
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| 220 | #define OUTPUT_TYPE (0x1UL << OUTPUT_TYPE_Pos) |
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| 221 | #define OUTPUT_PP (0x0UL << OUTPUT_TYPE_Pos) |
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| 222 | #define OUTPUT_OD (0x1UL << OUTPUT_TYPE_Pos) |
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| 223 | #define EXTI_MODE_Pos 16U |
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| 224 | #define EXTI_MODE (0x3UL << EXTI_MODE_Pos) |
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| 225 | #define EXTI_IT (0x1UL << EXTI_MODE_Pos) |
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| 226 | #define EXTI_EVT (0x2UL << EXTI_MODE_Pos) |
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| 227 | #define TRIGGER_MODE_Pos 20U |
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| 228 | #define TRIGGER_MODE (0x7UL << TRIGGER_MODE_Pos) |
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| 229 | #define TRIGGER_RISING (0x1UL << TRIGGER_MODE_Pos) |
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| 230 | #define TRIGGER_FALLING (0x2UL << TRIGGER_MODE_Pos) |
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| 231 | /** |
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| 232 | * @} |
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| 233 | */ |
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| 234 | |||
| 2 | mjames | 235 | /** @addtogroup GPIO_Private_Macros GPIO Private Macros |
| 236 | * @{ |
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| 237 | */ |
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| 238 | #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET)) |
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| 239 | |||
| 240 | #define IS_GPIO_PIN(__PIN__) (((((uint32_t)__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\ |
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| 241 | ((((uint32_t)__PIN__) & ~GPIO_PIN_MASK) == 0x00U)) |
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| 242 | |||
| 243 | #define IS_GPIO_MODE(__MODE__) (((__MODE__) == GPIO_MODE_INPUT) ||\ |
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| 244 | ((__MODE__) == GPIO_MODE_OUTPUT_PP) ||\ |
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| 245 | ((__MODE__) == GPIO_MODE_OUTPUT_OD) ||\ |
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| 246 | ((__MODE__) == GPIO_MODE_AF_PP) ||\ |
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| 247 | ((__MODE__) == GPIO_MODE_AF_OD) ||\ |
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| 248 | ((__MODE__) == GPIO_MODE_IT_RISING) ||\ |
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| 249 | ((__MODE__) == GPIO_MODE_IT_FALLING) ||\ |
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| 250 | ((__MODE__) == GPIO_MODE_IT_RISING_FALLING) ||\ |
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| 251 | ((__MODE__) == GPIO_MODE_EVT_RISING) ||\ |
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| 252 | ((__MODE__) == GPIO_MODE_EVT_FALLING) ||\ |
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| 253 | ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\ |
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| 254 | ((__MODE__) == GPIO_MODE_ANALOG)) |
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| 255 | |||
| 256 | #define IS_GPIO_SPEED(__SPEED__) (((__SPEED__) == GPIO_SPEED_FREQ_LOW) ||\ |
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| 257 | ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\ |
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| 258 | ((__SPEED__) == GPIO_SPEED_FREQ_HIGH)) |
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| 259 | |||
| 260 | #define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) ||\ |
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| 261 | ((__PULL__) == GPIO_PULLUP) || \ |
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| 262 | ((__PULL__) == GPIO_PULLDOWN)) |
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| 263 | /** |
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| 264 | * @} |
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| 265 | */ |
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| 266 | |||
| 267 | /* Include GPIO HAL Extended module */ |
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| 268 | #include "stm32f0xx_hal_gpio_ex.h" |
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| 269 | |||
| 270 | /* Exported functions --------------------------------------------------------*/ |
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| 271 | /** @addtogroup GPIO_Exported_Functions GPIO Exported Functions |
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| 272 | * @{ |
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| 273 | */ |
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| 274 | |||
| 275 | /** @addtogroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions |
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| 276 | * @brief Initialization and Configuration functions |
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| 277 | * @{ |
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| 278 | */ |
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| 279 | |||
| 280 | /* Initialization and de-initialization functions *****************************/ |
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| 281 | void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init); |
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| 282 | void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin); |
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| 283 | |||
| 284 | /** |
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| 285 | * @} |
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| 286 | */ |
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| 287 | |||
| 288 | /** @addtogroup GPIO_Exported_Functions_Group2 IO operation functions |
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| 289 | * @{ |
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| 290 | */ |
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| 291 | |||
| 292 | /* IO operation functions *****************************************************/ |
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| 293 | GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); |
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| 294 | void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState); |
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| 295 | void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); |
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| 296 | HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); |
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| 297 | void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin); |
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| 298 | void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin); |
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| 299 | |||
| 300 | /** |
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| 301 | * @} |
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| 302 | */ |
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| 303 | |||
| 304 | /** |
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| 305 | * @} |
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| 306 | */ |
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| 307 | |||
| 308 | /** |
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| 309 | * @} |
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| 310 | */ |
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| 311 | |||
| 312 | /** |
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| 313 | * @} |
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| 314 | */ |
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| 315 | |||
| 316 | #ifdef __cplusplus |
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| 317 | } |
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| 318 | #endif |
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| 319 | |||
| 320 | #endif /* __STM32F0xx_HAL_GPIO_H */ |
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| 321 | |||
| 322 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |