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| Rev | Author | Line No. | Line |
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| 30 | 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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| 50 | mjames | 9 | * <h2><center>© Copyright (c) 2017 STMicroelectronics. |
| 10 | * All rights reserved.</center></h2> |
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| 30 | mjames | 11 | * |
| 50 | mjames | 12 | * This software component is licensed by ST under BSD 3-Clause license, |
| 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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| 30 | mjames | 16 | * |
| 17 | ****************************************************************************** |
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| 50 | mjames | 18 | */ |
| 30 | mjames | 19 | |
| 20 | /* Define to prevent recursive inclusion -------------------------------------*/ |
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| 21 | #ifndef __STM32L1xx_HAL_GPIO_H |
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| 22 | #define __STM32L1xx_HAL_GPIO_H |
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| 23 | |||
| 24 | #ifdef __cplusplus |
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| 50 | mjames | 25 | extern "C" { |
| 30 | mjames | 26 | #endif |
| 27 | |||
| 28 | /* Includes ------------------------------------------------------------------*/ |
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| 29 | #include "stm32l1xx_hal_def.h" |
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| 30 | |||
| 31 | /** @addtogroup STM32L1xx_HAL_Driver |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | |||
| 35 | /** @defgroup GPIO GPIO |
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| 36 | * @brief GPIO HAL module driver |
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| 37 | * @{ |
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| 50 | mjames | 38 | */ |
| 30 | mjames | 39 | |
| 50 | mjames | 40 | /* Exported types ------------------------------------------------------------*/ |
| 30 | mjames | 41 | |
| 42 | /** @defgroup GPIO_Exported_Types GPIO Exported Types |
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| 43 | * @{ |
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| 44 | */ |
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| 50 | mjames | 45 | /** |
| 46 | * @brief GPIO Init structure definition |
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| 30 | mjames | 47 | */ |
| 48 | typedef struct |
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| 49 | { |
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| 50 | uint32_t Pin; /*!< Specifies the GPIO pins to be configured. |
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| 51 | This parameter can be any value of @ref GPIO_pins */ |
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| 52 | |||
| 53 | uint32_t Mode; /*!< Specifies the operating mode for the selected pins. |
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| 54 | This parameter can be a value of @ref GPIO_mode */ |
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| 55 | |||
| 56 | uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins. |
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| 57 | This parameter can be a value of @ref GPIO_pull */ |
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| 58 | |||
| 59 | uint32_t Speed; /*!< Specifies the speed for the selected pins. |
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| 60 | This parameter can be a value of @ref GPIO_speed */ |
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| 61 | |||
| 50 | mjames | 62 | uint32_t Alternate; /*!< Peripheral to be connected to the selected pins |
| 30 | mjames | 63 | This parameter can be a value of @ref GPIOEx_Alternate_function_selection */ |
| 50 | mjames | 64 | } GPIO_InitTypeDef; |
| 30 | mjames | 65 | |
| 50 | mjames | 66 | /** |
| 67 | * @brief GPIO Bit SET and Bit RESET enumeration |
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| 30 | mjames | 68 | */ |
| 69 | typedef enum |
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| 70 | { |
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| 71 | GPIO_PIN_RESET = 0, |
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| 72 | GPIO_PIN_SET |
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| 50 | mjames | 73 | } GPIO_PinState; |
| 30 | mjames | 74 | /** |
| 75 | * @} |
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| 76 | */ |
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| 50 | mjames | 77 | |
| 30 | mjames | 78 | /* Exported constants --------------------------------------------------------*/ |
| 79 | |||
| 80 | /** @defgroup GPIO_Exported_Constants GPIO Exported Constants |
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| 81 | * @{ |
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| 82 | */ |
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| 83 | |||
| 84 | |||
| 85 | /** @defgroup GPIO_pins GPIO pins |
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| 86 | * @{ |
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| 87 | */ |
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| 50 | mjames | 88 | #define GPIO_PIN_0 ((uint16_t)0x0001U) /* Pin 0 selected */ |
| 89 | #define GPIO_PIN_1 ((uint16_t)0x0002U) /* Pin 1 selected */ |
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| 90 | #define GPIO_PIN_2 ((uint16_t)0x0004U) /* Pin 2 selected */ |
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| 91 | #define GPIO_PIN_3 ((uint16_t)0x0008U) /* Pin 3 selected */ |
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| 92 | #define GPIO_PIN_4 ((uint16_t)0x0010U) /* Pin 4 selected */ |
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| 93 | #define GPIO_PIN_5 ((uint16_t)0x0020U) /* Pin 5 selected */ |
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| 94 | #define GPIO_PIN_6 ((uint16_t)0x0040U) /* Pin 6 selected */ |
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| 95 | #define GPIO_PIN_7 ((uint16_t)0x0080U) /* Pin 7 selected */ |
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| 96 | #define GPIO_PIN_8 ((uint16_t)0x0100U) /* Pin 8 selected */ |
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| 97 | #define GPIO_PIN_9 ((uint16_t)0x0200U) /* Pin 9 selected */ |
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| 98 | #define GPIO_PIN_10 ((uint16_t)0x0400U) /* Pin 10 selected */ |
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| 99 | #define GPIO_PIN_11 ((uint16_t)0x0800U) /* Pin 11 selected */ |
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| 100 | #define GPIO_PIN_12 ((uint16_t)0x1000U) /* Pin 12 selected */ |
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| 101 | #define GPIO_PIN_13 ((uint16_t)0x2000U) /* Pin 13 selected */ |
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| 102 | #define GPIO_PIN_14 ((uint16_t)0x4000U) /* Pin 14 selected */ |
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| 103 | #define GPIO_PIN_15 ((uint16_t)0x8000U) /* Pin 15 selected */ |
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| 104 | #define GPIO_PIN_All ((uint16_t)0xFFFFU) /* All pins selected */ |
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| 30 | mjames | 105 | |
| 50 | mjames | 106 | #define GPIO_PIN_MASK (0x0000FFFFU) /* PIN mask for assert test */ |
| 30 | mjames | 107 | /** |
| 108 | * @} |
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| 109 | */ |
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| 110 | |||
| 111 | /** @defgroup GPIO_mode GPIO mode |
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| 50 | mjames | 112 | * @brief GPIO Configuration Mode |
| 61 | mjames | 113 | * Elements values convention: 0x00WX00YZ |
| 114 | * - W : EXTI trigger detection on 3 bits |
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| 115 | * - X : EXTI mode (IT or Event) on 2 bits |
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| 116 | * - Y : Output type (Push Pull or Open Drain) on 1 bit |
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| 117 | * - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits |
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| 30 | mjames | 118 | * @{ |
| 61 | mjames | 119 | */ |
| 120 | #define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */ |
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| 121 | #define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */ |
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| 122 | #define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */ |
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| 123 | #define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */ |
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| 124 | #define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */ |
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| 30 | mjames | 125 | |
| 61 | mjames | 126 | #define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */ |
| 127 | |||
| 128 | #define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */ |
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| 129 | #define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */ |
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| 130 | #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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| 131 | |||
| 132 | #define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */ |
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| 133 | #define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */ |
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| 134 | #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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| 30 | mjames | 135 | |
| 136 | /** |
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| 137 | * @} |
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| 138 | */ |
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| 50 | mjames | 139 | |
| 30 | mjames | 140 | /** @defgroup GPIO_speed GPIO speed |
| 141 | * @brief GPIO Output Maximum frequency |
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| 142 | * @{ |
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| 50 | mjames | 143 | */ |
| 144 | #define GPIO_SPEED_FREQ_LOW (0x00000000U) /*!< max: 400 KHz, please refer to the product datasheet */ |
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| 145 | #define GPIO_SPEED_FREQ_MEDIUM (0x00000001U) /*!< max: 1 MHz to 2 MHz, please refer to the product datasheet */ |
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| 146 | #define GPIO_SPEED_FREQ_HIGH (0x00000002U) /*!< max: 2 MHz to 10 MHz, please refer to the product datasheet */ |
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| 147 | #define GPIO_SPEED_FREQ_VERY_HIGH (0x00000003U) /*!< max: 8 MHz to 50 MHz, please refer to the product datasheet */ |
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| 30 | mjames | 148 | |
| 149 | /** |
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| 150 | * @} |
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| 151 | */ |
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| 152 | |||
| 50 | mjames | 153 | /** @defgroup GPIO_pull GPIO pull |
| 154 | * @brief GPIO Pull-Up or Pull-Down Activation |
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| 155 | * @{ |
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| 156 | */ |
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| 157 | #define GPIO_NOPULL (0x00000000U) /*!< No Pull-up or Pull-down activation */ |
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| 158 | #define GPIO_PULLUP (0x00000001U) /*!< Pull-up activation */ |
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| 159 | #define GPIO_PULLDOWN (0x00000002U) /*!< Pull-down activation */ |
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| 30 | mjames | 160 | |
| 161 | /** |
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| 162 | * @} |
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| 163 | */ |
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| 164 | |||
| 165 | /** |
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| 166 | * @} |
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| 167 | */ |
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| 168 | |||
| 169 | /* Private constants ---------------------------------------------------------*/ |
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| 170 | /** @defgroup GPIO_Private_Constants GPIO Private Constants |
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| 171 | * @{ |
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| 172 | */ |
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| 61 | mjames | 173 | #define GPIO_MODE_Pos 0U |
| 174 | #define GPIO_MODE (0x3UL << GPIO_MODE_Pos) |
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| 175 | #define MODE_INPUT (0x0UL << GPIO_MODE_Pos) |
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| 176 | #define MODE_OUTPUT (0x1UL << GPIO_MODE_Pos) |
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| 177 | #define MODE_AF (0x2UL << GPIO_MODE_Pos) |
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| 178 | #define MODE_ANALOG (0x3UL << GPIO_MODE_Pos) |
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| 179 | #define OUTPUT_TYPE_Pos 4U |
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| 180 | #define OUTPUT_TYPE (0x1UL << OUTPUT_TYPE_Pos) |
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| 181 | #define OUTPUT_PP (0x0UL << OUTPUT_TYPE_Pos) |
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| 182 | #define OUTPUT_OD (0x1UL << OUTPUT_TYPE_Pos) |
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| 183 | #define EXTI_MODE_Pos 16U |
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| 184 | #define EXTI_MODE (0x3UL << EXTI_MODE_Pos) |
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| 185 | #define EXTI_IT (0x1UL << EXTI_MODE_Pos) |
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| 186 | #define EXTI_EVT (0x2UL << EXTI_MODE_Pos) |
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| 187 | #define TRIGGER_MODE_Pos 20U |
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| 188 | #define TRIGGER_MODE (0x7UL << TRIGGER_MODE_Pos) |
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| 189 | #define TRIGGER_RISING (0x1UL << TRIGGER_MODE_Pos) |
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| 190 | #define TRIGGER_FALLING (0x2UL << TRIGGER_MODE_Pos) |
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| 30 | mjames | 191 | /** |
| 192 | * @} |
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| 50 | mjames | 193 | */ |
| 30 | mjames | 194 | |
| 195 | /* Private macros --------------------------------------------------------*/ |
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| 196 | /** @defgroup GPIO_Private_Macros GPIO Private Macros |
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| 197 | * @{ |
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| 198 | */ |
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| 199 | |||
| 200 | #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET)) |
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| 201 | |||
| 50 | mjames | 202 | #define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\ |
| 203 | (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U)) |
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| 30 | mjames | 204 | |
| 205 | #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \ |
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| 206 | ((PULL) == GPIO_PULLDOWN)) |
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| 50 | mjames | 207 | |
| 30 | mjames | 208 | #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || \ |
| 209 | ((SPEED) == GPIO_SPEED_FREQ_HIGH) || ((SPEED) == GPIO_SPEED_FREQ_VERY_HIGH)) |
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| 210 | |||
| 211 | #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\ |
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| 212 | ((MODE) == GPIO_MODE_OUTPUT_PP) ||\ |
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| 213 | ((MODE) == GPIO_MODE_OUTPUT_OD) ||\ |
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| 214 | ((MODE) == GPIO_MODE_AF_PP) ||\ |
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| 215 | ((MODE) == GPIO_MODE_AF_OD) ||\ |
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| 216 | ((MODE) == GPIO_MODE_IT_RISING) ||\ |
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| 217 | ((MODE) == GPIO_MODE_IT_FALLING) ||\ |
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| 218 | ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\ |
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| 219 | ((MODE) == GPIO_MODE_EVT_RISING) ||\ |
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| 220 | ((MODE) == GPIO_MODE_EVT_FALLING) ||\ |
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| 221 | ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\ |
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| 222 | ((MODE) == GPIO_MODE_ANALOG)) |
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| 223 | |||
| 224 | /** |
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| 225 | * @} |
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| 226 | */ |
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| 227 | |||
| 228 | /* Exported macro ------------------------------------------------------------*/ |
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| 229 | |||
| 230 | /** @defgroup GPIO_Exported_Macros GPIO Exported Macros |
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| 231 | * @{ |
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| 232 | */ |
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| 50 | mjames | 233 | |
| 30 | mjames | 234 | /** |
| 235 | * @brief Checks whether the specified EXTI line flag is set or not. |
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| 50 | mjames | 236 | * @param __EXTI_LINE__ specifies the EXTI line flag to check. |
| 30 | mjames | 237 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
| 238 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 239 | */ |
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| 240 | #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 241 | |||
| 242 | /** |
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| 243 | * @brief Clears the EXTI's line pending flags. |
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| 50 | mjames | 244 | * @param __EXTI_LINE__ specifies the EXTI lines flags to clear. |
| 30 | mjames | 245 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
| 246 | * @retval None |
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| 247 | */ |
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| 248 | #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 249 | |||
| 250 | /** |
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| 251 | * @brief Checks whether the specified EXTI line is asserted or not. |
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| 50 | mjames | 252 | * @param __EXTI_LINE__ specifies the EXTI line to check. |
| 30 | mjames | 253 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
| 254 | * @retval The new state of __EXTI_LINE__ (SET or RESET). |
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| 255 | */ |
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| 256 | #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__)) |
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| 257 | |||
| 258 | /** |
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| 259 | * @brief Clears the EXTI's line pending bits. |
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| 50 | mjames | 260 | * @param __EXTI_LINE__ specifies the EXTI lines to clear. |
| 30 | mjames | 261 | * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) |
| 262 | * @retval None |
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| 263 | */ |
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| 264 | #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__)) |
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| 265 | |||
| 266 | /** |
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| 267 | * @brief Generates a Software interrupt on selected EXTI line. |
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| 50 | mjames | 268 | * @param __EXTI_LINE__ specifies the EXTI line to check. |
| 30 | mjames | 269 | * This parameter can be GPIO_PIN_x where x can be(0..15) |
| 270 | * @retval None |
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| 271 | */ |
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| 272 | #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__)) |
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| 273 | |||
| 274 | /** |
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| 275 | * @} |
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| 276 | */ |
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| 277 | |||
| 278 | /* Include GPIO HAL Extension module */ |
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| 279 | #include "stm32l1xx_hal_gpio_ex.h" |
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| 280 | |||
| 50 | mjames | 281 | /* Exported functions --------------------------------------------------------*/ |
| 30 | mjames | 282 | /** @defgroup GPIO_Exported_Functions GPIO Exported Functions |
| 50 | mjames | 283 | * @brief GPIO Exported Functions |
| 30 | mjames | 284 | * @{ |
| 285 | */ |
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| 286 | |||
| 287 | /** @defgroup GPIO_Exported_Functions_Group1 Initialization and Configuration functions |
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| 288 | * @brief Initialization and Configuration functions |
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| 289 | * @{ |
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| 290 | */ |
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| 50 | mjames | 291 | |
| 30 | mjames | 292 | /* Initialization and de-initialization functions *****************************/ |
| 293 | void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init); |
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| 294 | void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin); |
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| 295 | |||
| 296 | /** |
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| 297 | * @} |
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| 298 | */ |
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| 299 | |||
| 50 | mjames | 300 | /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions |
| 301 | * @brief IO operation functions |
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| 302 | * @{ |
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| 303 | */ |
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| 304 | |||
| 30 | mjames | 305 | /* IO operation functions *****************************************************/ |
| 50 | mjames | 306 | GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
| 307 | void HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState); |
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| 308 | void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 309 | HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin); |
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| 30 | mjames | 310 | void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin); |
| 311 | void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin); |
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| 312 | |||
| 313 | /** |
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| 314 | * @} |
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| 50 | mjames | 315 | */ |
| 30 | mjames | 316 | |
| 317 | /** |
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| 318 | * @} |
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| 50 | mjames | 319 | */ |
| 30 | mjames | 320 | |
| 321 | /** |
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| 322 | * @} |
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| 50 | mjames | 323 | */ |
| 30 | mjames | 324 | |
| 325 | /** |
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| 326 | * @} |
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| 50 | mjames | 327 | */ |
| 328 | |||
| 30 | mjames | 329 | #ifdef __cplusplus |
| 330 | } |
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| 331 | #endif |
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| 332 | |||
| 333 | #endif /* __STM32L1xx_HAL_GPIO_H */ |
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| 334 | |||
| 335 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
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| 336 |