1 /**
2   ******************************************************************************
3   * @file    stm32wbxx_hal_gpio.h
4   * @author  MCD Application Team
5   * @brief   Header file of GPIO HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32WBxx_HAL_GPIO_H
21 #define STM32WBxx_HAL_GPIO_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32wbxx_hal_def.h"
29 
30 /** @addtogroup STM32WBxx_HAL_Driver
31   * @{
32   */
33 
34 /** @defgroup GPIO GPIO
35   * @brief GPIO HAL module driver
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              ((uint32_t)0x0000FFFF) /* PIN mask for assert test */
103 /**
104   * @}
105   */
106 
107 /** @defgroup GPIO_mode GPIO mode
108   * @brief GPIO Configuration Mode
109   *        Elements values convention: 0x00WX00YZ
110   *           - W  : EXTI trigger detection on 3 bits
111   *           - X  : EXTI mode (IT or Event) on 2 bits
112   *           - Y  : Output type (Push Pull or Open Drain) on 1 bit
113   *           - Z  : GPIO mode (Input, Output, Alternate or Analog) on 2 bits
114   * @{
115   */
116 #define GPIO_MODE_INPUT                 MODE_INPUT                                                  /*!< Input Floating Mode                                                */
117 #define GPIO_MODE_OUTPUT_PP             (MODE_OUTPUT | OUTPUT_PP)                                   /*!< Output Push Pull Mode                                              */
118 #define GPIO_MODE_OUTPUT_OD             (MODE_OUTPUT | OUTPUT_OD)                                   /*!< Output Open Drain Mode                                             */
119 #define GPIO_MODE_AF_PP                 (MODE_AF | OUTPUT_PP)                                       /*!< Alternate Function Push Pull Mode                                  */
120 #define GPIO_MODE_AF_OD                 (MODE_AF | OUTPUT_OD)                                       /*!< Alternate Function Open Drain Mode                                 */
121 #define GPIO_MODE_ANALOG                MODE_ANALOG                                                 /*!< Analog Mode                                                        */
122 #define GPIO_MODE_IT_RISING             (MODE_INPUT | EXTI_IT | TRIGGER_RISING)                     /*!< External Interrupt Mode with Rising edge trigger detection         */
123 #define GPIO_MODE_IT_FALLING            (MODE_INPUT | EXTI_IT | TRIGGER_FALLING)                    /*!< External Interrupt Mode with Falling edge trigger detection        */
124 #define GPIO_MODE_IT_RISING_FALLING     (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING)   /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
125 #define GPIO_MODE_EVT_RISING            (MODE_INPUT | EXTI_EVT | TRIGGER_RISING)                    /*!< External Event Mode with Rising edge trigger detection             */
126 #define GPIO_MODE_EVT_FALLING           (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING)                   /*!< External Event Mode with Falling edge trigger detection            */
127 #define GPIO_MODE_EVT_RISING_FALLING    (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING)  /*!< External Event Mode with Rising/Falling edge trigger detection     */
128 
129 /**
130   * @}
131   */
132 
133 /** @defgroup GPIO_speed GPIO speed
134   * @brief GPIO Output Maximum frequency
135   * @{
136   */
137 #define GPIO_SPEED_FREQ_LOW             0x00000000u  /*!< Low speed       */
138 #define GPIO_SPEED_FREQ_MEDIUM          0x00000001u  /*!< Medium speed    */
139 #define GPIO_SPEED_FREQ_HIGH            0x00000002u  /*!< High speed      */
140 #define GPIO_SPEED_FREQ_VERY_HIGH       0x00000003u  /*!< Very high speed */
141 /**
142   * @}
143   */
144 
145 /** @defgroup GPIO_pull GPIO pull
146   * @brief GPIO Pull-Up or Pull-Down Activation
147   * @{
148   */
149 #define GPIO_NOPULL                     0x00000000u   /*!< No Pull-up or Pull-down activation  */
150 #define GPIO_PULLUP                     0x00000001u   /*!< Pull-up activation                  */
151 #define GPIO_PULLDOWN                   0x00000002u   /*!< Pull-down activation                */
152 /**
153   * @}
154   */
155 
156 /**
157   * @}
158   */
159 
160 /* Exported macro ------------------------------------------------------------*/
161 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
162   * @{
163   */
164 
165 /**
166   * @brief  Check whether the specified EXTI line flag is set or not.
167   * @param __EXTI_LINE__ specifies the EXTI line flag to check.
168   *         This parameter can be GPIO_PIN_x where x can be(0..15)
169   * @retval The new state of __EXTI_LINE__ (SET or RESET).
170   */
171 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__)       (EXTI->PR1 & (__EXTI_LINE__))
172 
173 /**
174   * @brief  Clear the EXTI's line pending flags.
175   * @param __EXTI_LINE__ specifies the EXTI lines flags to clear.
176   *         This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
177   * @retval None
178   */
179 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__)     (EXTI->PR1 = (__EXTI_LINE__))
180 
181 /**
182   * @brief  Check whether the specified EXTI line is asserted or not.
183   * @param __EXTI_LINE__ specifies the EXTI line to check.
184   *          This parameter can be GPIO_PIN_x where x can be(0..15)
185   * @retval The new state of __EXTI_LINE__ (SET or RESET).
186   */
187 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)         (EXTI->PR1 & (__EXTI_LINE__))
188 
189 /**
190   * @brief  Clear the EXTI's line pending bits.
191   * @param __EXTI_LINE__ specifies the EXTI lines to clear.
192   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
193   * @retval None
194   */
195 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)       (EXTI->PR1 = (__EXTI_LINE__))
196 
197 /**
198   * @brief  Generate a Software interrupt on selected EXTI line.
199   * @param __EXTI_LINE__ specifies the EXTI line to check.
200   *          This parameter can be GPIO_PIN_x where x can be(0..15)
201   * @retval None
202   */
203 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__)  (EXTI->SWIER1 |= (__EXTI_LINE__))
204 
205 /**
206   * @}
207   */
208 
209 /* Private macros ------------------------------------------------------------*/
210 /** @defgroup GPIO_Private_Constants GPIO Private Constants
211   * @{
212   */
213 #define GPIO_MODE_Pos                           0u
214 #define GPIO_MODE                               (0x3uL << GPIO_MODE_Pos)
215 #define MODE_INPUT                              (0x0uL << GPIO_MODE_Pos)
216 #define MODE_OUTPUT                             (0x1uL << GPIO_MODE_Pos)
217 #define MODE_AF                                 (0x2uL << GPIO_MODE_Pos)
218 #define MODE_ANALOG                             (0x3uL << GPIO_MODE_Pos)
219 #define OUTPUT_TYPE_Pos                         4u
220 #define OUTPUT_TYPE                             (0x1uL << OUTPUT_TYPE_Pos)
221 #define OUTPUT_PP                               (0x0uL << OUTPUT_TYPE_Pos)
222 #define OUTPUT_OD                               (0x1uL << OUTPUT_TYPE_Pos)
223 #define EXTI_MODE_Pos                           16u
224 #define EXTI_MODE                               (0x3uL << EXTI_MODE_Pos)
225 #define EXTI_IT                                 (0x1uL << EXTI_MODE_Pos)
226 #define EXTI_EVT                                (0x2uL << EXTI_MODE_Pos)
227 #define TRIGGER_MODE_Pos                         20u
228 #define TRIGGER_MODE                            (0x7uL << TRIGGER_MODE_Pos)
229 #define TRIGGER_RISING                          (0x1uL << TRIGGER_MODE_Pos)
230 #define TRIGGER_FALLING                         (0x2uL << TRIGGER_MODE_Pos)
231 
232 /**
233   * @}
234   */
235 
236 /** @defgroup GPIO_Private_Macros GPIO Private Macros
237   * @{
238   */
239 #define IS_GPIO_PIN_ACTION(ACTION)  (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
240 
241 #define IS_GPIO_PIN(__PIN__)        ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00u) &&\
242                                      (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00u))
243 
244 #define IS_GPIO_COMMON_PIN(__RESETMASK__, __SETMASK__)  \
245   (((uint32_t)(__RESETMASK__) & (uint32_t)(__SETMASK__)) == 0x00u)
246 
247 
248 #define IS_GPIO_MODE(__MODE__)      (((__MODE__) == GPIO_MODE_INPUT)              ||\
249                                      ((__MODE__) == GPIO_MODE_OUTPUT_PP)          ||\
250                                      ((__MODE__) == GPIO_MODE_OUTPUT_OD)          ||\
251                                      ((__MODE__) == GPIO_MODE_AF_PP)              ||\
252                                      ((__MODE__) == GPIO_MODE_AF_OD)              ||\
253                                      ((__MODE__) == GPIO_MODE_IT_RISING)          ||\
254                                      ((__MODE__) == GPIO_MODE_IT_FALLING)         ||\
255                                      ((__MODE__) == GPIO_MODE_IT_RISING_FALLING)  ||\
256                                      ((__MODE__) == GPIO_MODE_EVT_RISING)         ||\
257                                      ((__MODE__) == GPIO_MODE_EVT_FALLING)        ||\
258                                      ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\
259                                      ((__MODE__) == GPIO_MODE_ANALOG))
260 
261 #define IS_GPIO_SPEED(__SPEED__)    (((__SPEED__) == GPIO_SPEED_FREQ_LOW)       ||\
262                                      ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM)    ||\
263                                      ((__SPEED__) == GPIO_SPEED_FREQ_HIGH)      ||\
264                                      ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH))
265 
266 #define IS_GPIO_PULL(__PULL__)      (((__PULL__) == GPIO_NOPULL)   ||\
267                                      ((__PULL__) == GPIO_PULLUP)   || \
268                                      ((__PULL__) == GPIO_PULLDOWN))
269 /**
270   * @}
271   */
272 
273 /* Include GPIO HAL Extended module */
274 #include "stm32wbxx_hal_gpio_ex.h"
275 
276 /* Exported functions --------------------------------------------------------*/
277 /** @defgroup GPIO_Exported_Functions GPIO Exported Functions
278   *  @brief    GPIO Exported Functions
279   * @{
280   */
281 
282 /** @defgroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
283   *  @brief    Initialization and Configuration functions
284   * @{
285   */
286 
287 /* Initialization and de-initialization functions *****************************/
288 void              HAL_GPIO_Init(GPIO_TypeDef  *GPIOx, GPIO_InitTypeDef *GPIO_Init);
289 void              HAL_GPIO_DeInit(GPIO_TypeDef  *GPIOx, uint32_t GPIO_Pin);
290 
291 /**
292   * @}
293   */
294 
295 /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions
296   *  @brief    IO operation functions
297   * @{
298   */
299 
300 /* IO operation functions *****************************************************/
301 GPIO_PinState     HAL_GPIO_ReadPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
302 void              HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
303 void              HAL_GPIO_WriteMultipleStatePin(GPIO_TypeDef *GPIOx, uint16_t PinReset, uint16_t PinSet);
304 void              HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
305 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
306 void              HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
307 void              HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);
308 
309 /**
310   * @}
311   */
312 
313 /**
314   * @}
315   */
316 
317 /**
318   * @}
319   */
320 
321 /**
322   * @}
323   */
324 
325 #ifdef __cplusplus
326 }
327 #endif
328 
329 #endif /* STM32WBxx_HAL_GPIO_H */
330