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| Rev | Author | Line No. | Line |
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| 77 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32l1xx_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) 2017 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 __STM32L1xx_HAL_GPIO_H |
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| 21 | #define __STM32L1xx_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 "stm32l1xx_hal_def.h" |
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| 29 | |||
| 30 | /** @addtogroup STM32L1xx_HAL_Driver |
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| 31 | * @{ |
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| 32 | */ |
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| 33 | |||
| 34 | /** @defgroup GPIO GPIO |
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| 35 | * @brief GPIO HAL module driver |
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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 = 0, |
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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 | |||
| 79 | /** @defgroup GPIO_Exported_Constants GPIO Exported Constants |
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| 80 | * @{ |
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| 81 | */ |
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| 82 | |||
| 83 | |||
| 84 | /** @defgroup GPIO_pins GPIO pins |
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| 85 | * @{ |
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| 86 | */ |
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| 87 | #define GPIO_PIN_0 ((uint16_t)0x0001U) /* Pin 0 selected */ |
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| 88 | #define GPIO_PIN_1 ((uint16_t)0x0002U) /* Pin 1 selected */ |
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| 89 | #define GPIO_PIN_2 ((uint16_t)0x0004U) /* Pin 2 selected */ |
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| 90 | #define GPIO_PIN_3 ((uint16_t)0x0008U) /* Pin 3 selected */ |
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| 91 | #define GPIO_PIN_4 ((uint16_t)0x0010U) /* Pin 4 selected */ |
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| 92 | #define GPIO_PIN_5 ((uint16_t)0x0020U) /* Pin 5 selected */ |
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| 93 | #define GPIO_PIN_6 ((uint16_t)0x0040U) /* Pin 6 selected */ |
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| 94 | #define GPIO_PIN_7 ((uint16_t)0x0080U) /* Pin 7 selected */ |
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| 95 | #define GPIO_PIN_8 ((uint16_t)0x0100U) /* Pin 8 selected */ |
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| 96 | #define GPIO_PIN_9 ((uint16_t)0x0200U) /* Pin 9 selected */ |
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| 97 | #define GPIO_PIN_10 ((uint16_t)0x0400U) /* Pin 10 selected */ |
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| 98 | #define GPIO_PIN_11 ((uint16_t)0x0800U) /* Pin 11 selected */ |
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| 99 | #define GPIO_PIN_12 ((uint16_t)0x1000U) /* Pin 12 selected */ |
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| 100 | #define GPIO_PIN_13 ((uint16_t)0x2000U) /* Pin 13 selected */ |
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| 101 | #define GPIO_PIN_14 ((uint16_t)0x4000U) /* Pin 14 selected */ |
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| 102 | #define GPIO_PIN_15 ((uint16_t)0x8000U) /* Pin 15 selected */ |
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| 103 | #define GPIO_PIN_All ((uint16_t)0xFFFFU) /* All pins selected */ |
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| 104 | |||
| 105 | #define GPIO_PIN_MASK (0x0000FFFFU) /* PIN mask for assert test */ |
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| 106 | /** |
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| 107 | * @} |
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| 108 | */ |
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| 109 | |||
| 110 | /** @defgroup GPIO_mode GPIO mode |
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| 111 | * @brief GPIO Configuration Mode |
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| 112 | * Elements values convention: 0x00WX00YZ |
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| 113 | * - W : EXTI trigger detection on 3 bits |
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| 114 | * - X : EXTI mode (IT or Event) on 2 bits |
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| 115 | * - Y : Output type (Push Pull or Open Drain) on 1 bit |
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| 116 | * - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits |
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| 117 | * @{ |
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| 118 | */ |
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| 119 | #define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */ |
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| 120 | #define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */ |
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| 121 | #define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */ |
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| 122 | #define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */ |
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| 123 | #define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */ |
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| 124 | |||
| 125 | #define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */ |
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| 126 | |||
| 127 | #define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */ |
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| 128 | #define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */ |
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| 129 | #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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| 130 | |||
| 131 | #define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */ |
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| 132 | #define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */ |
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| 133 | #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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| 134 | |||
| 135 | /** |
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| 136 | * @} |
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| 137 | */ |
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| 138 | |||
| 139 | /** @defgroup GPIO_speed GPIO speed |
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| 140 | * @brief GPIO Output Maximum frequency |
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| 141 | * @{ |
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| 142 | */ |
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| 143 | #define GPIO_SPEED_FREQ_LOW (0x00000000U) /*!< max: 400 KHz, please refer to the product datasheet */ |
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| 144 | #define GPIO_SPEED_FREQ_MEDIUM (0x00000001U) /*!< max: 1 MHz to 2 MHz, please refer to the product datasheet */ |
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| 145 | #define GPIO_SPEED_FREQ_HIGH (0x00000002U) /*!< max: 2 MHz to 10 MHz, please refer to the product datasheet */ |
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| 146 | #define GPIO_SPEED_FREQ_VERY_HIGH (0x00000003U) /*!< max: 8 MHz to 50 MHz, please refer to the product datasheet */ |
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| 147 | |||
| 148 | /** |
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| 149 | * @} |
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| 150 | */ |
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| 151 | |||
| 152 | /** @defgroup GPIO_pull GPIO pull |
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| 153 | * @brief GPIO Pull-Up or Pull-Down Activation |
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| 154 | * @{ |
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| 155 | */ |
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| 156 | #define GPIO_NOPULL (0x00000000U) /*!< No Pull-up or Pull-down activation */ |
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| 157 | #define GPIO_PULLUP (0x00000001U) /*!< Pull-up activation */ |
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| 158 | #define GPIO_PULLDOWN (0x00000002U) /*!< Pull-down activation */ |
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| 159 | |||
| 160 | /** |
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| 161 | * @} |
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| 162 | */ |
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| 163 | |||
| 164 | /** |
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| 165 | * @} |
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| 166 | */ |
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| 167 | |||
| 168 | /* Private constants ---------------------------------------------------------*/ |
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| 169 | /** @defgroup GPIO_Private_Constants GPIO Private Constants |
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| 170 | * @{ |
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| 171 | */ |
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| 172 | #define GPIO_MODE_Pos 0U |
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| 173 | #define GPIO_MODE (0x3UL << GPIO_MODE_Pos) |
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| 174 | #define MODE_INPUT (0x0UL << GPIO_MODE_Pos) |
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| 175 | #define MODE_OUTPUT (0x1UL << GPIO_MODE_Pos) |
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| 176 | #define MODE_AF (0x2UL << GPIO_MODE_Pos) |
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| 177 | #define MODE_ANALOG (0x3UL << GPIO_MODE_Pos) |
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| 178 | #define OUTPUT_TYPE_Pos 4U |
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| 179 | #define OUTPUT_TYPE (0x1UL << OUTPUT_TYPE_Pos) |
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| 180 | #define OUTPUT_PP (0x0UL << OUTPUT_TYPE_Pos) |
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| 181 | #define OUTPUT_OD (0x1UL << OUTPUT_TYPE_Pos) |
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| 182 | #define EXTI_MODE_Pos 16U |
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| 183 | #define EXTI_MODE (0x3UL << EXTI_MODE_Pos) |
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| 184 | #define EXTI_IT (0x1UL << EXTI_MODE_Pos) |
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| 185 | #define EXTI_EVT (0x2UL << EXTI_MODE_Pos) |
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| 186 | #define TRIGGER_MODE_Pos 20U |
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| 187 | #define TRIGGER_MODE (0x7UL << TRIGGER_MODE_Pos) |
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| 188 | #define TRIGGER_RISING (0x1UL << TRIGGER_MODE_Pos) |
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| 189 | #define TRIGGER_FALLING (0x2UL << TRIGGER_MODE_Pos) |
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| 190 | /** |
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| 191 | * @} |
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| 192 | */ |
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| 193 | |||
| 194 | /* Private macros --------------------------------------------------------*/ |
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| 195 | /** @defgroup GPIO_Private_Macros GPIO Private Macros |
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| 196 | * @{ |
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| 197 | */ |
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| 198 | |||
| 199 | #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET)) |
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| 200 | |||
| 201 | #define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\ |
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| 202 | (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U)) |
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| 203 | |||
| 204 | #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \ |
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| 205 | ((PULL) == GPIO_PULLDOWN)) |
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| 206 | |||
| 207 | #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || \ |
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| 208 | ((SPEED) == GPIO_SPEED_FREQ_HIGH) || ((SPEED) == GPIO_SPEED_FREQ_VERY_HIGH)) |
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| 209 | |||
| 210 | #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\ |
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| 211 | ((MODE) == GPIO_MODE_OUTPUT_PP) ||\ |
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| 212 | ((MODE) == GPIO_MODE_OUTPUT_OD) ||\ |
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| 213 | ((MODE) == GPIO_MODE_AF_PP) ||\ |
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| 214 | ((MODE) == GPIO_MODE_AF_OD) ||\ |
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| 215 | ((MODE) == GPIO_MODE_IT_RISING) ||\ |
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| 216 | ((MODE) == GPIO_MODE_IT_FALLING) ||\ |
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| 217 | ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\ |
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| 218 | ((MODE) == GPIO_MODE_EVT_RISING) ||\ |
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| 219 | ((MODE) == GPIO_MODE_EVT_FALLING) ||\ |
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| 220 | ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\ |
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| 221 | ((MODE) == GPIO_MODE_ANALOG)) |
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| 222 | |||
| 223 | /** |
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| 224 | * @} |
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| 225 | */ |
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| 226 | |||
| 227 | /* Exported macro ------------------------------------------------------------*/ |
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| 228 | |||
| 229 | /** @defgroup GPIO_Exported_Macros GPIO Exported Macros |
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| 230 | * @{ |
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| 231 | */ |
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| 232 | |||
| 233 | /** |
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| 234 | * @brief Checks whether the specified EXTI line flag is set or not. |
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| 235 | * @param __EXTI_LINE__ specifies the EXTI line flag to check. |
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| 236 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 237 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 238 | */ |
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| 239 | #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 240 | |||
| 241 | /** |
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| 242 | * @brief Clears the EXTI's line pending flags. |
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| 243 | * @param __EXTI_LINE__ specifies the EXTI lines flags to clear. |
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| 244 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
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| 245 | * @retval None |
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| 246 | */ |
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| 247 | #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 248 | |||
| 249 | /** |
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| 250 | * @brief Checks whether the specified EXTI line is asserted or not. |
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| 251 | * @param __EXTI_LINE__ specifies the EXTI line to check. |
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| 252 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 253 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 254 | */ |
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| 255 | #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 256 | |||
| 257 | /** |
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| 258 | * @brief Clears the EXTI's line pending bits. |
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| 259 | * @param __EXTI_LINE__ specifies the EXTI lines to clear. |
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| 260 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
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| 261 | * @retval None |
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| 262 | */ |
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| 263 | #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 264 | |||
| 265 | /** |
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| 266 | * @brief Generates a Software interrupt on selected EXTI line. |
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| 267 | * @param __EXTI_LINE__ specifies the EXTI line to check. |
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| 268 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
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| 269 | * @retval None |
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| 270 | */ |
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| 271 | #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__)) |
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| 272 | |||
| 273 | /** |
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| 274 | * @} |
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| 275 | */ |
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| 276 | |||
| 277 | /* Include GPIO HAL Extension module */ |
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| 278 | #include "stm32l1xx_hal_gpio_ex.h" |
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| 279 | |||
| 280 | /* Exported functions --------------------------------------------------------*/ |
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| 281 | /** @defgroup GPIO_Exported_Functions GPIO Exported Functions |
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| 282 | * @brief GPIO Exported Functions |
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| 283 | * @{ |
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| 284 | */ |
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| 285 | |||
| 286 | /** @defgroup GPIO_Exported_Functions_Group1 Initialization and Configuration functions |
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| 287 | * @brief Initialization and Configuration functions |
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| 288 | * @{ |
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| 289 | */ |
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| 290 | |||
| 291 | /* Initialization and de-initialization functions *****************************/ |
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| 292 | void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init); |
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| 293 | void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin); |
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| 294 | |||
| 295 | /** |
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| 296 | * @} |
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| 297 | */ |
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| 298 | |||
| 299 | /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions |
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| 300 | * @brief IO operation functions |
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| 301 | * @{ |
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| 302 | */ |
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| 303 | |||
| 304 | /* IO operation functions *****************************************************/ |
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| 305 | GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 306 | void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState); |
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| 307 | void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 308 | HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 309 | void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin); |
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| 310 | void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin); |
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| 311 | |||
| 312 | /** |
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| 313 | * @} |
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| 314 | */ |
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| 315 | |||
| 316 | /** |
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| 317 | * @} |
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| 318 | */ |
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| 319 | |||
| 320 | /** |
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| 321 | * @} |
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| 322 | */ |
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| 323 | |||
| 324 | /** |
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| 325 | * @} |
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| 326 | */ |
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| 327 | |||
| 328 | #ifdef __cplusplus |
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| 329 | } |
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| 330 | #endif |
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| 331 | |||
| 332 | #endif /* __STM32L1xx_HAL_GPIO_H */ |
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| 333 |