2 ******************************************************************************
3 * @file stm32g4xx_hal_gpio.h
4 * @author MCD Application Team
5 * @brief Header file of GPIO HAL module.
6 ******************************************************************************
9 * <h2><center>© Copyright (c) 2017 STMicroelectronics.
10 * All rights reserved.</center></h2>
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
17 ******************************************************************************
20 /* Define to prevent recursive inclusion -------------------------------------*/
21 #ifndef STM32G4xx_HAL_GPIO_H
22 #define STM32G4xx_HAL_GPIO_H
28 /* Includes ------------------------------------------------------------------*/
29 #include "stm32g4xx_hal_def.h"
31 /** @addtogroup STM32G4xx_HAL_Driver
35 /** @defgroup GPIO GPIO
36 * @brief GPIO HAL module driver
40 /* Exported types ------------------------------------------------------------*/
42 /** @defgroup GPIO_Exported_Types GPIO Exported Types
46 * @brief GPIO Init structure definition
50 uint32_t Pin
; /*!< Specifies the GPIO pins to be configured.
51 This parameter can be any value of @ref GPIO_pins */
53 uint32_t Mode
; /*!< Specifies the operating mode for the selected pins.
54 This parameter can be a value of @ref GPIO_mode */
56 uint32_t Pull
; /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.
57 This parameter can be a value of @ref GPIO_pull */
59 uint32_t Speed
; /*!< Specifies the speed for the selected pins.
60 This parameter can be a value of @ref GPIO_speed */
62 uint32_t Alternate
; /*!< Peripheral to be connected to the selected pins
63 This parameter can be a value of @ref GPIOEx_Alternate_function_selection */
67 * @brief GPIO Bit SET and Bit RESET enumeration
78 /* Exported constants --------------------------------------------------------*/
79 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
82 /** @defgroup GPIO_pins GPIO pins
85 #define GPIO_PIN_0 ((uint16_t)0x0001) /* Pin 0 selected */
86 #define GPIO_PIN_1 ((uint16_t)0x0002) /* Pin 1 selected */
87 #define GPIO_PIN_2 ((uint16_t)0x0004) /* Pin 2 selected */
88 #define GPIO_PIN_3 ((uint16_t)0x0008) /* Pin 3 selected */
89 #define GPIO_PIN_4 ((uint16_t)0x0010) /* Pin 4 selected */
90 #define GPIO_PIN_5 ((uint16_t)0x0020) /* Pin 5 selected */
91 #define GPIO_PIN_6 ((uint16_t)0x0040) /* Pin 6 selected */
92 #define GPIO_PIN_7 ((uint16_t)0x0080) /* Pin 7 selected */
93 #define GPIO_PIN_8 ((uint16_t)0x0100) /* Pin 8 selected */
94 #define GPIO_PIN_9 ((uint16_t)0x0200) /* Pin 9 selected */
95 #define GPIO_PIN_10 ((uint16_t)0x0400) /* Pin 10 selected */
96 #define GPIO_PIN_11 ((uint16_t)0x0800) /* Pin 11 selected */
97 #define GPIO_PIN_12 ((uint16_t)0x1000) /* Pin 12 selected */
98 #define GPIO_PIN_13 ((uint16_t)0x2000) /* Pin 13 selected */
99 #define GPIO_PIN_14 ((uint16_t)0x4000) /* Pin 14 selected */
100 #define GPIO_PIN_15 ((uint16_t)0x8000) /* Pin 15 selected */
101 #define GPIO_PIN_All ((uint16_t)0xFFFF) /* All pins selected */
103 #define GPIO_PIN_MASK (0x0000FFFFU) /* PIN mask for assert test */
108 /** @defgroup GPIO_mode GPIO mode
109 * @brief GPIO Configuration Mode
110 * Elements values convention: 0xX0yz00YZ
111 * - X : GPIO mode or EXTI Mode
112 * - y : External IT or Event trigger detection
113 * - z : IO configuration on External IT or Event
114 * - Y : Output type (Push Pull or Open Drain)
115 * - Z : IO Direction mode (Input, Output, Alternate or Analog)
118 #define GPIO_MODE_INPUT (0x00000000U) /*!< Input Floating Mode */
119 #define GPIO_MODE_OUTPUT_PP (0x00000001U) /*!< Output Push Pull Mode */
120 #define GPIO_MODE_OUTPUT_OD (0x00000011U) /*!< Output Open Drain Mode */
121 #define GPIO_MODE_AF_PP (0x00000002U) /*!< Alternate Function Push Pull Mode */
122 #define GPIO_MODE_AF_OD (0x00000012U) /*!< Alternate Function Open Drain Mode */
123 #define GPIO_MODE_ANALOG (0x00000003U) /*!< Analog Mode */
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 */
134 /** @defgroup GPIO_speed GPIO speed
135 * @brief GPIO Output Maximum frequency
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 120 MHz, please refer to the product datasheet */
146 /** @defgroup GPIO_pull GPIO pull
147 * @brief GPIO Pull-Up or Pull-Down Activation
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 */
161 /* Exported macro ------------------------------------------------------------*/
162 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
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).
172 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__))
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)
180 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__))
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).
188 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR1 & (__EXTI_LINE__))
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)
196 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR1 = (__EXTI_LINE__))
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)
204 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER1 |= (__EXTI_LINE__))
210 /* Private macros ------------------------------------------------------------*/
211 /** @defgroup GPIO_Private_Macros GPIO Private Macros
214 #define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
216 #define IS_GPIO_PIN(__PIN__) ((((__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\
217 (((__PIN__) & ~GPIO_PIN_MASK) == 0x00U))
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))
232 #define IS_GPIO_SPEED(__SPEED__) (((__SPEED__) == GPIO_SPEED_FREQ_LOW) ||\
233 ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\
234 ((__SPEED__) == GPIO_SPEED_FREQ_HIGH) ||\
235 ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH))
237 #define IS_GPIO_PULL(__PULL__) (((__PULL__) == GPIO_NOPULL) ||\
238 ((__PULL__) == GPIO_PULLUP) || \
239 ((__PULL__) == GPIO_PULLDOWN))
244 /* Include GPIO HAL Extended module */
245 #include "stm32g4xx_hal_gpio_ex.h"
247 /* Exported functions --------------------------------------------------------*/
248 /** @defgroup GPIO_Exported_Functions GPIO Exported Functions
249 * @brief GPIO Exported Functions
253 /** @defgroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
254 * @brief Initialization and Configuration functions
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
);
266 /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions
267 * @brief IO operation functions
271 /* IO operation functions *****************************************************/
272 GPIO_PinState
HAL_GPIO_ReadPin(GPIO_TypeDef
*GPIOx
, uint16_t GPIO_Pin
);
273 void HAL_GPIO_WritePin(GPIO_TypeDef
*GPIOx
, uint16_t GPIO_Pin
, GPIO_PinState PinState
);
274 void HAL_GPIO_TogglePin(GPIO_TypeDef
*GPIOx
, uint16_t GPIO_Pin
);
275 HAL_StatusTypeDef
HAL_GPIO_LockPin(GPIO_TypeDef
*GPIOx
, uint16_t GPIO_Pin
);
276 void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin
);
277 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin
);
299 #endif /* STM32G4xx_HAL_GPIO_H */
301 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/