1 /** 2 ****************************************************************************** 3 * @file stm32l4xx_hal_gpio.h 4 * @author MCD Application Team 5 * @brief Header file of GPIO HAL module. 6 ****************************************************************************** 7 * @attention 8 * 9 * <h2><center>© Copyright (c) 2017 STMicroelectronics. 10 * All rights reserved.</center></h2> 11 * 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 14 * License. You may obtain a copy of the License at: 15 * opensource.org/licenses/BSD-3-Clause 16 * 17 ****************************************************************************** 18 */ 19 20 /* Define to prevent recursive inclusion -------------------------------------*/ 21 #ifndef STM32L4xx_HAL_GPIO_H 22 #define STM32L4xx_HAL_GPIO_H 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /* Includes ------------------------------------------------------------------*/ 29 #include "stm32l4xx_hal_def.h" 30 31 /** @addtogroup STM32L4xx_HAL_Driver 32 * @{ 33 */ 34 35 /** @addtogroup GPIO 36 * @{ 37 */ 38 39 /* Exported types ------------------------------------------------------------*/ 40 41 /** @defgroup GPIO_Exported_Types GPIO Exported Types 42 * @{ 43 */ 44 /** 45 * @brief GPIO Init structure definition 46 */ 47 typedef struct 48 { 49 uint32_t Pin; /*!< Specifies the GPIO pins to be configured. 50 This parameter can be any value of @ref GPIO_pins */ 51 52 uint32_t Mode; /*!< Specifies the operating mode for the selected pins. 53 This parameter can be a value of @ref GPIO_mode */ 54 55 uint32_t Pull; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins. 56 This parameter can be a value of @ref GPIO_pull */ 57 58 uint32_t Speed; /*!< Specifies the speed for the selected pins. 59 This parameter can be a value of @ref GPIO_speed */ 60 61 uint32_t Alternate; /*!< Peripheral to be connected to the selected pins 62 This parameter can be a value of @ref GPIOEx_Alternate_function_selection */ 63 }GPIO_InitTypeDef; 64 65 /** 66 * @brief GPIO Bit SET and Bit RESET enumeration 67 */ 68 typedef enum 69 { 70 GPIO_PIN_RESET = 0U, 71 GPIO_PIN_SET 72 }GPIO_PinState; 73 /** 74 * @} 75 */ 76 77 /* Exported constants --------------------------------------------------------*/ 78 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants 79 * @{ 80 */ 81 /** @defgroup GPIO_pins GPIO pins 82 * @{ 83 */ 84 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */ 85 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */ 86 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */ 87 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */ 88 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */ 89 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */ 90 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */ 91 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */ 92 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */ 93 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */ 94 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */ 95 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */ 96 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */ 97 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */ 98 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */ 99 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */ 100 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */ 101 102 #define GPIO_PIN_MASK (0x0000FFFFu) /* PIN mask for assert test */ 103 /** 104 * @} 105 */ 106 107 /** @defgroup GPIO_mode GPIO mode 108 * @brief GPIO Configuration Mode 109 * Elements values convention: 0xX0yz00YZ 110 * - X : GPIO mode or EXTI Mode 111 * - y : External IT or Event trigger detection 112 * - z : IO configuration on External IT or Event 113 * - Y : Output type (Push Pull or Open Drain) 114 * - Z : IO Direction mode (Input, Output, Alternate or Analog) 115 * @{ 116 */ 117 #define GPIO_MODE_INPUT (0x00000000u) /*!< Input Floating Mode */ 118 #define GPIO_MODE_OUTPUT_PP (0x00000001u) /*!< Output Push Pull Mode */ 119 #define GPIO_MODE_OUTPUT_OD (0x00000011u) /*!< Output Open Drain Mode */ 120 #define GPIO_MODE_AF_PP (0x00000002u) /*!< Alternate Function Push Pull Mode */ 121 #define GPIO_MODE_AF_OD (0x00000012u) /*!< Alternate Function Open Drain Mode */ 122 #define GPIO_MODE_ANALOG (0x00000003u) /*!< Analog Mode */ 123 #define GPIO_MODE_ANALOG_ADC_CONTROL (0x0000000Bu) /*!< Analog Mode for ADC conversion */ 124 #define GPIO_MODE_IT_RISING (0x10110000u) /*!< External Interrupt Mode with Rising edge trigger detection */ 125 #define GPIO_MODE_IT_FALLING (0x10210000u) /*!< External Interrupt Mode with Falling edge trigger detection */ 126 #define GPIO_MODE_IT_RISING_FALLING (0x10310000u) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */ 127 #define GPIO_MODE_EVT_RISING (0x10120000u) /*!< External Event Mode with Rising edge trigger detection */ 128 #define GPIO_MODE_EVT_FALLING (0x10220000u) /*!< External Event Mode with Falling edge trigger detection */ 129 #define GPIO_MODE_EVT_RISING_FALLING (0x10320000u) /*!< External Event Mode with Rising/Falling edge trigger detection */ 130 /** 131 * @} 132 */ 133 134 /** @defgroup GPIO_speed GPIO speed 135 * @brief GPIO Output Maximum frequency 136 * @{ 137 */ 138 #define GPIO_SPEED_FREQ_LOW (0x00000000u) /*!< range up to 5 MHz, please refer to the product datasheet */ 139 #define GPIO_SPEED_FREQ_MEDIUM (0x00000001u) /*!< range 5 MHz to 25 MHz, please refer to the product datasheet */ 140 #define GPIO_SPEED_FREQ_HIGH (0x00000002u) /*!< range 25 MHz to 50 MHz, please refer to the product datasheet */ 141 #define GPIO_SPEED_FREQ_VERY_HIGH (0x00000003u) /*!< range 50 MHz to 80 MHz, please refer to the product datasheet */ 142 /** 143 * @} 144 */ 145 146 /** @defgroup GPIO_pull GPIO pull 147 * @brief GPIO Pull-Up or Pull-Down Activation 148 * @{ 149 */ 150 #define GPIO_NOPULL (0x00000000u) /*!< No Pull-up or Pull-down activation */ 151 #define GPIO_PULLUP (0x00000001u) /*!< Pull-up activation */ 152 #define GPIO_PULLDOWN (0x00000002u) /*!< Pull-down activation */ 153 /** 154 * @} 155 */ 156 157 /** 158 * @} 159 */ 160 161 /* Exported macro ------------------------------------------------------------*/ 162 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros 163 * @{ 164 */ 165 166 /** 167 * @brief Check whether the specified EXTI line flag is set or not. 168 * @param __EXTI_LINE__ specifies the EXTI line flag to check. 169 * This parameter can be GPIO_PIN_x where x can be(0..15) 170 * @retval The new state of __EXTI_LINE__ (SET or RESET). 171 */ 172 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__)) 173 174 /** 175 * @brief Clear the EXTI's line pending flags. 176 * @param __EXTI_LINE__ specifies the EXTI lines flags to clear. 177 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 178 * @retval None 179 */ 180 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__)) 181 182 /** 183 * @brief Check whether the specified EXTI line is asserted or not. 184 * @param __EXTI_LINE__ specifies the EXTI line to check. 185 * This parameter can be GPIO_PIN_x where x can be(0..15) 186 * @retval The new state of __EXTI_LINE__ (SET or RESET). 187 */ 188 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__)) 189 190 /** 191 * @brief Clear the EXTI's line pending bits. 192 * @param __EXTI_LINE__ specifies the EXTI lines to clear. 193 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15) 194 * @retval None 195 */ 196 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__)) 197 198 /** 199 * @brief Generate a Software interrupt on selected EXTI line. 200 * @param __EXTI_LINE__ specifies the EXTI line to check. 201 * This parameter can be GPIO_PIN_x where x can be(0..15) 202 * @retval None 203 */ 204 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER1 |= (__EXTI_LINE__)) 205 206 /** 207 * @} 208 */ 209 210 /* Private macros ------------------------------------------------------------*/ 211 /** @addtogroup GPIO_Private_Macros GPIO Private Macros 212 * @{ 213 */ 214 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET)) 215 216 #define IS_GPIO_PIN(__PIN__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\ 217 (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U)) 218 219 #define IS_GPIO_MODE(__MODE__) (((__MODE__) == GPIO_MODE_INPUT) ||\ 220 ((__MODE__) == GPIO_MODE_OUTPUT_PP) ||\ 221 ((__MODE__) == GPIO_MODE_OUTPUT_OD) ||\ 222 ((__MODE__) == GPIO_MODE_AF_PP) ||\ 223 ((__MODE__) == GPIO_MODE_AF_OD) ||\ 224 ((__MODE__) == GPIO_MODE_IT_RISING) ||\ 225 ((__MODE__) == GPIO_MODE_IT_FALLING) ||\ 226 ((__MODE__) == GPIO_MODE_IT_RISING_FALLING) ||\ 227 ((__MODE__) == GPIO_MODE_EVT_RISING) ||\ 228 ((__MODE__) == GPIO_MODE_EVT_FALLING) ||\ 229 ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\ 230 ((__MODE__) == GPIO_MODE_ANALOG) ||\ 231 ((__MODE__) == GPIO_MODE_ANALOG_ADC_CONTROL)) 232 233 #define IS_GPIO_SPEED(__SPEED__) (((__SPEED__) == GPIO_SPEED_FREQ_LOW) ||\ 234 ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\ 235 ((__SPEED__) == GPIO_SPEED_FREQ_HIGH) ||\ 236 ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH)) 237 238 #define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) ||\ 239 ((__PULL__) == GPIO_PULLUP) || \ 240 ((__PULL__) == GPIO_PULLDOWN)) 241 /** 242 * @} 243 */ 244 245 /* Include GPIO HAL Extended module */ 246 #include "stm32l4xx_hal_gpio_ex.h" 247 248 /* Exported functions --------------------------------------------------------*/ 249 /** @addtogroup GPIO_Exported_Functions GPIO Exported Functions 250 * @{ 251 */ 252 253 /** @addtogroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions 254 * @brief Initialization and Configuration functions 255 * @{ 256 */ 257 258 /* Initialization and de-initialization functions *****************************/ 259 void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init); 260 void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin); 261 262 /** 263 * @} 264 */ 265 266 /** @addtogroup GPIO_Exported_Functions_Group2 IO operation functions 267 * @{ 268 */ 269 270 /* IO operation functions *****************************************************/ 271 GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); 272 void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState); 273 void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); 274 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin); 275 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin); 276 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin); 277 278 /** 279 * @} 280 */ 281 282 /** 283 * @} 284 */ 285 286 /** 287 * @} 288 */ 289 290 /** 291 * @} 292 */ 293 294 #ifdef __cplusplus 295 } 296 #endif 297 298 #endif /* STM32L4xx_HAL_GPIO_H */ 299 300 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 301