1 /**
2   ******************************************************************************
3   * @file    stm32g4xx_hal_gpio.h
4   * @author  MCD Application Team
5   * @brief   Header file of GPIO HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * <h2><center>&copy; Copyright (c) 2019 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 STM32G4xx_HAL_GPIO_H
22 #define STM32G4xx_HAL_GPIO_H
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 /* Includes ------------------------------------------------------------------*/
29 #include "stm32g4xx_hal_def.h"
30 
31 /** @addtogroup STM32G4xx_HAL_Driver
32   * @{
33   */
34 
35 /** @defgroup GPIO GPIO
36   * @brief GPIO HAL module driver
37   * @{
38   */
39 
40 /* Exported types ------------------------------------------------------------*/
41 
42 /** @defgroup GPIO_Exported_Types GPIO Exported Types
43   * @{
44   */
45 /**
46   * @brief   GPIO Init structure definition
47   */
48 typedef struct
49 {
50   uint32_t Pin;        /*!< Specifies the GPIO pins to be configured.
51                            This parameter can be any value of @ref GPIO_pins */
52 
53   uint32_t Mode;       /*!< Specifies the operating mode for the selected pins.
54                            This parameter can be a value of @ref GPIO_mode */
55 
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 */
58 
59   uint32_t Speed;      /*!< Specifies the speed for the selected pins.
60                            This parameter can be a value of @ref GPIO_speed */
61 
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 */
64 } GPIO_InitTypeDef;
65 
66 /**
67   * @brief  GPIO Bit SET and Bit RESET enumeration
68   */
69 typedef enum
70 {
71   GPIO_PIN_RESET = 0U,
72   GPIO_PIN_SET
73 } GPIO_PinState;
74 /**
75   * @}
76   */
77 
78 /* Exported constants --------------------------------------------------------*/
79 /** @defgroup GPIO_Exported_Constants GPIO Exported Constants
80   * @{
81   */
82 /** @defgroup GPIO_pins GPIO pins
83   * @{
84   */
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 */
102 
103 #define GPIO_PIN_MASK              (0x0000FFFFU) /* PIN mask for assert test */
104 /**
105   * @}
106   */
107 
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)
116   * @{
117   */
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      */
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 120 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 /** @defgroup 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 
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))
236 
237 #define IS_GPIO_PULL(__PULL__)      (((__PULL__) == GPIO_NOPULL)   ||\
238                                      ((__PULL__) == GPIO_PULLUP)   || \
239                                      ((__PULL__) == GPIO_PULLDOWN))
240 /**
241   * @}
242   */
243 
244 /* Include GPIO HAL Extended module */
245 #include "stm32g4xx_hal_gpio_ex.h"
246 
247 /* Exported functions --------------------------------------------------------*/
248 /** @defgroup GPIO_Exported_Functions GPIO Exported Functions
249   *  @brief    GPIO Exported Functions
250   * @{
251   */
252 
253 /** @defgroup 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 /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions
267   *  @brief    IO operation functions
268   * @{
269   */
270 
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);
278 
279 /**
280   * @}
281   */
282 
283 /**
284   * @}
285   */
286 
287 /**
288   * @}
289   */
290 
291 /**
292   * @}
293   */
294 
295 #ifdef __cplusplus
296 }
297 #endif
298 
299 #endif /* STM32G4xx_HAL_GPIO_H */
300 
301 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
302