2 ******************************************************************************
3 * @file stm32f4xx_hal_gpio.h
4 * @author MCD Application Team
7 * @brief Header file of GPIO HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
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18 * this list of conditions and the following disclaimer in the documentation
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F4xx_HAL_GPIO_H
40 #define __STM32F4xx_HAL_GPIO_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f4xx_hal_def.h"
49 /** @addtogroup STM32F4xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
58 /** @defgroup GPIO_Exported_Types GPIO Exported Types
63 * @brief GPIO Init structure definition
67 uint32_t Pin
; /*!< Specifies the GPIO pins to be configured.
68 This parameter can be any value of @ref GPIO_pins_define */
70 uint32_t Mode
; /*!< Specifies the operating mode for the selected pins.
71 This parameter can be a value of @ref GPIO_mode_define */
73 uint32_t Pull
; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
74 This parameter can be a value of @ref GPIO_pull_define */
76 uint32_t Speed
; /*!< Specifies the speed for the selected pins.
77 This parameter can be a value of @ref GPIO_speed_define */
79 uint32_t Alternate
; /*!< Peripheral to be connected to the selected pins.
80 This parameter can be a value of @ref GPIO_Alternate_function_selection */
84 * @brief GPIO Bit SET and Bit RESET enumeration
95 /* Exported constants --------------------------------------------------------*/
97 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
101 /** @defgroup GPIO_pins_define GPIO pins define
104 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
105 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
106 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
107 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
108 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
109 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
110 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
111 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
112 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
113 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
114 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
115 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
116 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
117 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
118 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
119 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
120 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
122 #define GPIO_PIN_MASK 0x0000FFFFU /* PIN mask for assert test */
127 /** @defgroup GPIO_mode_define GPIO mode define
128 * @brief GPIO Configuration Mode
129 * Elements values convention: 0xX0yz00YZ
130 * - X : GPIO mode or EXTI Mode
131 * - y : External IT or Event trigger detection
132 * - z : IO configuration on External IT or Event
133 * - Y : Output type (Push Pull or Open Drain)
134 * - Z : IO Direction mode (Input, Output, Alternate or Analog)
137 #define GPIO_MODE_INPUT 0x00000000U /*!< Input Floating Mode */
138 #define GPIO_MODE_OUTPUT_PP 0x00000001U /*!< Output Push Pull Mode */
139 #define GPIO_MODE_OUTPUT_OD 0x00000011U /*!< Output Open Drain Mode */
140 #define GPIO_MODE_AF_PP 0x00000002U /*!< Alternate Function Push Pull Mode */
141 #define GPIO_MODE_AF_OD 0x00000012U /*!< Alternate Function Open Drain Mode */
143 #define GPIO_MODE_ANALOG 0x00000003U /*!< Analog Mode */
145 #define GPIO_MODE_IT_RISING 0x10110000U /*!< External Interrupt Mode with Rising edge trigger detection */
146 #define GPIO_MODE_IT_FALLING 0x10210000U /*!< External Interrupt Mode with Falling edge trigger detection */
147 #define GPIO_MODE_IT_RISING_FALLING 0x10310000U /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
149 #define GPIO_MODE_EVT_RISING 0x10120000U /*!< External Event Mode with Rising edge trigger detection */
150 #define GPIO_MODE_EVT_FALLING 0x10220000U /*!< External Event Mode with Falling edge trigger detection */
151 #define GPIO_MODE_EVT_RISING_FALLING 0x10320000U /*!< External Event Mode with Rising/Falling edge trigger detection */
156 /** @defgroup GPIO_speed_define GPIO speed define
157 * @brief GPIO Output Maximum frequency
160 #define GPIO_SPEED_FREQ_LOW 0x00000000U /*!< IO works at 2 MHz, please refer to the product datasheet */
161 #define GPIO_SPEED_FREQ_MEDIUM 0x00000001U /*!< range 12,5 MHz to 50 MHz, please refer to the product datasheet */
162 #define GPIO_SPEED_FREQ_HIGH 0x00000002U /*!< range 25 MHz to 100 MHz, please refer to the product datasheet */
163 #define GPIO_SPEED_FREQ_VERY_HIGH 0x00000003U /*!< range 50 MHz to 200 MHz, please refer to the product datasheet */
168 /** @defgroup GPIO_pull_define GPIO pull define
169 * @brief GPIO Pull-Up or Pull-Down Activation
172 #define GPIO_NOPULL 0x00000000U /*!< No Pull-up or Pull-down activation */
173 #define GPIO_PULLUP 0x00000001U /*!< Pull-up activation */
174 #define GPIO_PULLDOWN 0x00000002U /*!< Pull-down activation */
183 /* Exported macro ------------------------------------------------------------*/
184 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
189 * @brief Checks whether the specified EXTI line flag is set or not.
190 * @param __EXTI_LINE__: specifies the EXTI line flag to check.
191 * This parameter can be GPIO_PIN_x where x can be(0..15)
192 * @retval The new state of __EXTI_LINE__ (SET or RESET).
194 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
197 * @brief Clears the EXTI's line pending flags.
198 * @param __EXTI_LINE__: specifies the EXTI lines flags to clear.
199 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
202 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
205 * @brief Checks whether the specified EXTI line is asserted or not.
206 * @param __EXTI_LINE__: specifies the EXTI line to check.
207 * This parameter can be GPIO_PIN_x where x can be(0..15)
208 * @retval The new state of __EXTI_LINE__ (SET or RESET).
210 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))
213 * @brief Clears the EXTI's line pending bits.
214 * @param __EXTI_LINE__: specifies the EXTI lines to clear.
215 * This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
218 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))
221 * @brief Generates a Software interrupt on selected EXTI line.
222 * @param __EXTI_LINE__: specifies the EXTI line to check.
223 * This parameter can be GPIO_PIN_x where x can be(0..15)
226 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__))
231 /* Include GPIO HAL Extension module */
232 #include "stm32f4xx_hal_gpio_ex.h"
234 /* Exported functions --------------------------------------------------------*/
235 /** @addtogroup GPIO_Exported_Functions
239 /** @addtogroup GPIO_Exported_Functions_Group1
242 /* Initialization and de-initialization functions *****************************/
243 void HAL_GPIO_Init(GPIO_TypeDef
*GPIOx
, GPIO_InitTypeDef
*GPIO_Init
);
244 void HAL_GPIO_DeInit(GPIO_TypeDef
*GPIOx
, uint32_t GPIO_Pin
);
249 /** @addtogroup GPIO_Exported_Functions_Group2
252 /* IO operation functions *****************************************************/
253 GPIO_PinState
HAL_GPIO_ReadPin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
);
254 void HAL_GPIO_WritePin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
, GPIO_PinState PinState
);
255 void HAL_GPIO_TogglePin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
);
256 HAL_StatusTypeDef
HAL_GPIO_LockPin(GPIO_TypeDef
* GPIOx
, uint16_t GPIO_Pin
);
257 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin
);
258 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin
);
267 /* Private types -------------------------------------------------------------*/
268 /* Private variables ---------------------------------------------------------*/
269 /* Private constants ---------------------------------------------------------*/
270 /** @defgroup GPIO_Private_Constants GPIO Private Constants
278 /* Private macros ------------------------------------------------------------*/
279 /** @defgroup GPIO_Private_Macros GPIO Private Macros
282 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
283 #define IS_GPIO_PIN(PIN) ((((PIN) & GPIO_PIN_MASK ) != 0x00U) && (((PIN) & ~GPIO_PIN_MASK) == 0x00U))
284 #define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\
285 ((MODE) == GPIO_MODE_OUTPUT_PP) ||\
286 ((MODE) == GPIO_MODE_OUTPUT_OD) ||\
287 ((MODE) == GPIO_MODE_AF_PP) ||\
288 ((MODE) == GPIO_MODE_AF_OD) ||\
289 ((MODE) == GPIO_MODE_IT_RISING) ||\
290 ((MODE) == GPIO_MODE_IT_FALLING) ||\
291 ((MODE) == GPIO_MODE_IT_RISING_FALLING) ||\
292 ((MODE) == GPIO_MODE_EVT_RISING) ||\
293 ((MODE) == GPIO_MODE_EVT_FALLING) ||\
294 ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\
295 ((MODE) == GPIO_MODE_ANALOG))
296 #define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW) || ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || \
297 ((SPEED) == GPIO_SPEED_FREQ_HIGH) || ((SPEED) == GPIO_SPEED_FREQ_VERY_HIGH))
298 #define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \
299 ((PULL) == GPIO_PULLDOWN))
304 /* Private functions ---------------------------------------------------------*/
305 /** @defgroup GPIO_Private_Functions GPIO Private Functions
325 #endif /* __STM32F4xx_HAL_GPIO_H */
327 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/