1 /**
2   ******************************************************************************
3   * @file    stm32c0xx_hal_gpio.h
4   * @author  MCD Application Team
5   * @brief   Header file of GPIO HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2022 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 STM32C0xx_HAL_GPIO_H
21 #define STM32C0xx_HAL_GPIO_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32c0xx_hal_def.h"
29 
30 /** @addtogroup STM32C0xx_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              (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 /*!< Input Floating Mode                                                 */
118 #define  GPIO_MODE_INPUT                        (0x00000000U)
119 /*!< Output Push Pull Mode                                               */
120 #define  GPIO_MODE_OUTPUT_PP                    (0x00000001U)
121 /*!< Output Open Drain Mode                                             */
122 #define  GPIO_MODE_OUTPUT_OD                    (0x00000011U)
123 /*!< Alternate Function Push Pull Mode                                   */
124 #define  GPIO_MODE_AF_PP                        (0x00000002U)
125 /*!< Alternate Function Open Drain Mode                                  */
126 #define  GPIO_MODE_AF_OD                        (0x00000012U)
127 /*!< Analog Mode                                                         */
128 #define  GPIO_MODE_ANALOG                       (0x00000003U)
129 /*!< External Interrupt Mode with Rising edge trigger detection          */
130 #define  GPIO_MODE_IT_RISING                    (0x10110000U)
131 /*!< External Interrupt Mode with Falling edge trigger detection         */
132 #define  GPIO_MODE_IT_FALLING                   (0x10210000U)
133 /*!< External Interrupt Mode with Rising/Falling edge trigger detection  */
134 #define  GPIO_MODE_IT_RISING_FALLING            (0x10310000U)
135 /*!< External Event Mode with Rising edge trigger detection             */
136 #define  GPIO_MODE_EVT_RISING                   (0x10120000U)
137 /*!< External Event Mode with Falling edge trigger detection            */
138 #define  GPIO_MODE_EVT_FALLING                  (0x10220000U)
139 /*!< External Event Mode with Rising/Falling edge trigger detection      */
140 #define  GPIO_MODE_EVT_RISING_FALLING           (0x10320000U)
141 /**
142   * @}
143   */
144 
145 /** @defgroup GPIO_speed GPIO speed
146   * @brief GPIO Output Maximum frequency
147   * @{
148   */
149 #define  GPIO_SPEED_FREQ_LOW        (0x00000000u)  /*!< Low speed       */
150 #define  GPIO_SPEED_FREQ_MEDIUM     (0x00000001u)  /*!< Medium speed    */
151 #define  GPIO_SPEED_FREQ_HIGH       (0x00000002u)  /*!< High speed      */
152 #define  GPIO_SPEED_FREQ_VERY_HIGH  (0x00000003u)  /*!< Very high speed */
153 /**
154   * @}
155   */
156 
157 /** @defgroup GPIO_pull GPIO pull
158   * @brief GPIO Pull-Up or Pull-Down Activation
159   * @{
160   */
161 #define  GPIO_NOPULL        (0x00000000u)   /*!< No Pull-up or Pull-down activation  */
162 #define  GPIO_PULLUP        (0x00000001u)   /*!< Pull-up activation                  */
163 #define  GPIO_PULLDOWN      (0x00000002u)   /*!< Pull-down activation                */
164 /**
165   * @}
166   */
167 
168 /**
169   * @}
170   */
171 
172 /* Exported macro ------------------------------------------------------------*/
173 /** @defgroup GPIO_Exported_Macros GPIO Exported Macros
174   * @{
175   */
176 
177 /**
178   * @brief  Check whether the specified EXTI line is rising edge asserted or not.
179   * @param  __EXTI_LINE__ specifies the EXTI line to check.
180   *          This parameter can be GPIO_PIN_x where x can be(0..15)
181   * @retval The new state of __EXTI_LINE__ (SET or RESET).
182   */
183 #define __HAL_GPIO_EXTI_GET_RISING_IT(__EXTI_LINE__)         (EXTI->RPR1 & (__EXTI_LINE__))
184 
185 /**
186   * @brief  Clear the EXTI line rising pending bits.
187   * @param  __EXTI_LINE__ specifies the EXTI lines to clear.
188   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
189   * @retval None
190   */
191 #define __HAL_GPIO_EXTI_CLEAR_RISING_IT(__EXTI_LINE__)       (EXTI->RPR1 = (__EXTI_LINE__))
192 
193 /**
194   * @brief  Check whether the specified EXTI line is falling edge asserted or not.
195   * @param  __EXTI_LINE__ specifies the EXTI line to check.
196   *          This parameter can be GPIO_PIN_x where x can be(0..15)
197   * @retval The new state of __EXTI_LINE__ (SET or RESET).
198   */
199 #define __HAL_GPIO_EXTI_GET_FALLING_IT(__EXTI_LINE__)        (EXTI->FPR1 & (__EXTI_LINE__))
200 
201 /**
202   * @brief  Clear the EXTI line falling pending bits.
203   * @param  __EXTI_LINE__ specifies the EXTI lines to clear.
204   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
205   * @retval None
206   */
207 #define __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__)      (EXTI->FPR1 = (__EXTI_LINE__))
208 
209 /**
210   * @brief  Check whether the specified EXTI line is asserted or not.
211   * @param __EXTI_LINE__ specifies the EXTI line to check.
212   *          This parameter can be GPIO_PIN_x where x can be(0..15)
213   * @retval The new state of __EXTI_LINE__ (SET or RESET).
214   */
215 #define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)         (__HAL_GPIO_EXTI_GET_RISING_IT(__EXTI_LINE__) || \
216                                                        __HAL_GPIO_EXTI_GET_FALLING_IT(__EXTI_LINE__))
217 
218 /**
219   * @brief  Clear the EXTI's line pending bits.
220   * @param  __EXTI_LINE__ specifies the EXTI lines to clear.
221   *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
222   * @retval None
223   */
224 #define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)         \
225   do {                                                  \
226     __HAL_GPIO_EXTI_CLEAR_RISING_IT(__EXTI_LINE__);     \
227     __HAL_GPIO_EXTI_CLEAR_FALLING_IT(__EXTI_LINE__);    \
228   } while(0)
229 
230 
231 /**
232   * @brief  Generate a Software interrupt on selected EXTI line.
233   * @param __EXTI_LINE__ specifies the EXTI line to check.
234   *          This parameter can be GPIO_PIN_x where x can be(0..15)
235   * @retval None
236   */
237 #define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__)  (EXTI->SWIER1 |= (__EXTI_LINE__))
238 
239 /**
240   * @brief  Check whether the specified EXTI line flag is set or not.
241   * @param  __EXTI_LINE__ specifies the EXTI line flag to check.
242   *         This parameter can be GPIO_PIN_x where x can be(0..15)
243   * @retval The new state of __EXTI_LINE__ (SET or RESET).
244   */
245 #define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__)       __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__)
246 
247 /**
248   * @brief  Clear the EXTI line pending flags.
249   * @param  __EXTI_LINE__ specifies the EXTI lines flags to clear.
250   *         This parameter can be any combination of GPIO_PIN_x where x can be (0..15)
251   * @retval None
252   */
253 #define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__)     __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__)
254 
255 /**
256   * @}
257   */
258 
259 /* Private macros ------------------------------------------------------------*/
260 /** @defgroup GPIO_Private_Macros GPIO Private Macros
261   * @{
262   */
263 #define IS_GPIO_PIN_ACTION(ACTION)  (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))
264 
265 #define IS_GPIO_COMMON_PIN(__RESETMASK__, __SETMASK__)  \
266                                     (((uint32_t)(__RESETMASK__) & (uint32_t)(__SETMASK__)) == 0x00u)
267 
268 #define IS_GPIO_PIN(__PIN__)        ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00u) &&\
269                                      (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00u))
270 
271 #define IS_GPIO_MODE(__MODE__)      (((__MODE__) == GPIO_MODE_INPUT)              ||\
272                                      ((__MODE__) == GPIO_MODE_OUTPUT_PP)          ||\
273                                      ((__MODE__) == GPIO_MODE_OUTPUT_OD)          ||\
274                                      ((__MODE__) == GPIO_MODE_AF_PP)              ||\
275                                      ((__MODE__) == GPIO_MODE_AF_OD)              ||\
276                                      ((__MODE__) == GPIO_MODE_IT_RISING)          ||\
277                                      ((__MODE__) == GPIO_MODE_IT_FALLING)         ||\
278                                      ((__MODE__) == GPIO_MODE_IT_RISING_FALLING)  ||\
279                                      ((__MODE__) == GPIO_MODE_EVT_RISING)         ||\
280                                      ((__MODE__) == GPIO_MODE_EVT_FALLING)        ||\
281                                      ((__MODE__) == GPIO_MODE_EVT_RISING_FALLING) ||\
282                                      ((__MODE__) == GPIO_MODE_ANALOG))
283 
284 #define IS_GPIO_SPEED(__SPEED__)    (((__SPEED__) == GPIO_SPEED_FREQ_LOW)    ||\
285                                      ((__SPEED__) == GPIO_SPEED_FREQ_MEDIUM) ||\
286                                      ((__SPEED__) == GPIO_SPEED_FREQ_HIGH)   ||\
287                                      ((__SPEED__) == GPIO_SPEED_FREQ_VERY_HIGH))
288 
289 #define IS_GPIO_PULL(__PULL__)      (((__PULL__) == GPIO_NOPULL)   ||\
290                                      ((__PULL__) == GPIO_PULLUP)   || \
291                                      ((__PULL__) == GPIO_PULLDOWN))
292 /**
293   * @}
294   */
295 
296 /* Include GPIO HAL Extended module */
297 #include "stm32c0xx_hal_gpio_ex.h"
298 
299 /* Exported functions --------------------------------------------------------*/
300 /** @defgroup GPIO_Exported_Functions GPIO Exported Functions
301   *  @brief    GPIO Exported Functions
302   * @{
303   */
304 
305 /** @defgroup GPIO_Exported_Functions_Group1 Initialization/de-initialization functions
306   *  @brief    Initialization and Configuration functions
307   * @{
308   */
309 
310 /* Initialization and de-initialization functions *****************************/
311 void              HAL_GPIO_Init(GPIO_TypeDef  *GPIOx, const GPIO_InitTypeDef *pGPIO_Init);
312 void              HAL_GPIO_DeInit(GPIO_TypeDef  *GPIOx, uint32_t GPIO_Pin);
313 
314 /**
315   * @}
316   */
317 
318 /** @defgroup GPIO_Exported_Functions_Group2 IO operation functions
319   *  @brief    IO operation functions
320   * @{
321   */
322 
323 /* IO operation functions *****************************************************/
324 GPIO_PinState     HAL_GPIO_ReadPin(const GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
325 void              HAL_GPIO_WritePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);
326 void              HAL_GPIO_WriteMultipleStatePin(GPIO_TypeDef *GPIOx, uint16_t PinReset, uint16_t PinSet);
327 void              HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
328 HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
329 void              HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);
330 void              HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin);
331 void              HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin);
332 
333 /**
334   * @}
335   */
336 
337 /**
338   * @}
339   */
340 
341 /**
342   * @}
343   */
344 
345 /**
346   * @}
347   */
348 
349 #ifdef __cplusplus
350 }
351 #endif
352 
353 #endif /* STM32C0xx_HAL_GPIO_H */
354 
355