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STM32F3-Discovery
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stm32f30x_exti.h
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00001 /** 00002 ****************************************************************************** 00003 * @file stm32f30x_exti.h 00004 * @author MCD Application Team 00005 * @version V1.2.3 00006 * @date 10-July-2015 00007 * @brief This file contains all the functions prototypes for the EXTI 00008 * firmware library. 00009 ****************************************************************************** 00010 * @attention 00011 * 00012 * <h2><center>© COPYRIGHT 2015 STMicroelectronics</center></h2> 00013 * 00014 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); 00015 * You may not use this file except in compliance with the License. 00016 * You may obtain a copy of the License at: 00017 * 00018 * http://www.st.com/software_license_agreement_liberty_v2 00019 * 00020 * Unless required by applicable law or agreed to in writing, software 00021 * distributed under the License is distributed on an "AS IS" BASIS, 00022 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00023 * See the License for the specific language governing permissions and 00024 * limitations under the License. 00025 * 00026 ****************************************************************************** 00027 */ 00028 00029 /* Define to prevent recursive inclusion -------------------------------------*/ 00030 #ifndef __STM32F30x_EXTI_H 00031 #define __STM32F30x_EXTI_H 00032 00033 #ifdef __cplusplus 00034 extern "C" { 00035 #endif 00036 00037 /* Includes ------------------------------------------------------------------*/ 00038 #include "stm32f30x.h" 00039 00040 /** @addtogroup STM32F30x_StdPeriph_Driver 00041 * @{ 00042 */ 00043 00044 /** @addtogroup EXTI 00045 * @{ 00046 */ 00047 00048 /* Exported types ------------------------------------------------------------*/ 00049 00050 /** 00051 * @brief EXTI mode enumeration 00052 */ 00053 00054 typedef enum 00055 { 00056 EXTI_Mode_Interrupt = 0x00, 00057 EXTI_Mode_Event = 0x04 00058 }EXTIMode_TypeDef; 00059 00060 #define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event)) 00061 00062 /** 00063 * @brief EXTI Trigger enumeration 00064 */ 00065 00066 typedef enum 00067 { 00068 EXTI_Trigger_Rising = 0x08, 00069 EXTI_Trigger_Falling = 0x0C, 00070 EXTI_Trigger_Rising_Falling = 0x10 00071 }EXTITrigger_TypeDef; 00072 00073 #define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \ 00074 ((TRIGGER) == EXTI_Trigger_Falling) || \ 00075 ((TRIGGER) == EXTI_Trigger_Rising_Falling)) 00076 /** 00077 * @brief EXTI Init Structure definition 00078 */ 00079 00080 typedef struct 00081 { 00082 uint32_t EXTI_Line; /*!< Specifies the EXTI lines to be enabled or disabled. 00083 This parameter can be any combination of @ref EXTI_Lines */ 00084 00085 EXTIMode_TypeDef EXTI_Mode; /*!< Specifies the mode for the EXTI lines. 00086 This parameter can be a value of @ref EXTIMode_TypeDef */ 00087 00088 EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines. 00089 This parameter can be a value of @ref EXTITrigger_TypeDef */ 00090 00091 FunctionalState EXTI_LineCmd; /*!< Specifies the new state of the selected EXTI lines. 00092 This parameter can be set either to ENABLE or DISABLE */ 00093 }EXTI_InitTypeDef; 00094 00095 /* Exported constants --------------------------------------------------------*/ 00096 00097 /** @defgroup EXTI_Exported_Constants 00098 * @{ 00099 */ 00100 /** @defgroup EXTI_Lines 00101 * @{ 00102 */ 00103 00104 #define EXTI_Line0 ((uint32_t)0x00) /*!< External interrupt line 0 */ 00105 #define EXTI_Line1 ((uint32_t)0x01) /*!< External interrupt line 1 */ 00106 #define EXTI_Line2 ((uint32_t)0x02) /*!< External interrupt line 2 */ 00107 #define EXTI_Line3 ((uint32_t)0x03) /*!< External interrupt line 3 */ 00108 #define EXTI_Line4 ((uint32_t)0x04) /*!< External interrupt line 4 */ 00109 #define EXTI_Line5 ((uint32_t)0x05) /*!< External interrupt line 5 */ 00110 #define EXTI_Line6 ((uint32_t)0x06) /*!< External interrupt line 6 */ 00111 #define EXTI_Line7 ((uint32_t)0x07) /*!< External interrupt line 7 */ 00112 #define EXTI_Line8 ((uint32_t)0x08) /*!< External interrupt line 8 */ 00113 #define EXTI_Line9 ((uint32_t)0x09) /*!< External interrupt line 9 */ 00114 #define EXTI_Line10 ((uint32_t)0x0A) /*!< External interrupt line 10 */ 00115 #define EXTI_Line11 ((uint32_t)0x0B) /*!< External interrupt line 11 */ 00116 #define EXTI_Line12 ((uint32_t)0x0C) /*!< External interrupt line 12 */ 00117 #define EXTI_Line13 ((uint32_t)0x0D) /*!< External interrupt line 13 */ 00118 #define EXTI_Line14 ((uint32_t)0x0E) /*!< External interrupt line 14 */ 00119 #define EXTI_Line15 ((uint32_t)0x0F) /*!< External interrupt line 15 */ 00120 #define EXTI_Line16 ((uint32_t)0x10) /*!< External interrupt line 16 00121 Connected to the PVD Output */ 00122 #define EXTI_Line17 ((uint32_t)0x11) /*!< Internal interrupt line 17 00123 Connected to the RTC Alarm 00124 event */ 00125 #define EXTI_Line18 ((uint32_t)0x12) /*!< Internal interrupt line 18 00126 Connected to the USB Device 00127 Wakeup from suspend event */ 00128 #define EXTI_Line19 ((uint32_t)0x13) /*!< Internal interrupt line 19 00129 Connected to the RTC Tamper 00130 and Time Stamp events */ 00131 #define EXTI_Line20 ((uint32_t)0x14) /*!< Internal interrupt line 20 00132 Connected to the RTC wakeup 00133 event */ 00134 #define EXTI_Line21 ((uint32_t)0x15) /*!< Internal interrupt line 21 00135 Connected to the Comparator 1 00136 event */ 00137 #define EXTI_Line22 ((uint32_t)0x16) /*!< Internal interrupt line 22 00138 Connected to the Comparator 2 00139 event */ 00140 #define EXTI_Line23 ((uint32_t)0x17) /*!< Internal interrupt line 23 00141 Connected to the I2C1 wakeup 00142 event */ 00143 #define EXTI_Line24 ((uint32_t)0x18) /*!< Internal interrupt line 24 00144 Connected to the I2C2 wakeup 00145 event */ 00146 #define EXTI_Line25 ((uint32_t)0x19) /*!< Internal interrupt line 25 00147 Connected to the USART1 wakeup 00148 event */ 00149 #define EXTI_Line26 ((uint32_t)0x1A) /*!< Internal interrupt line 26 00150 Connected to the USART2 wakeup 00151 event */ 00152 #define EXTI_Line27 ((uint32_t)0x1B) /*!< Internal interrupt line 27 00153 reserved */ 00154 #define EXTI_Line28 ((uint32_t)0x1C) /*!< Internal interrupt line 28 00155 Connected to the USART3 wakeup 00156 event */ 00157 #define EXTI_Line29 ((uint32_t)0x1D) /*!< Internal interrupt line 29 00158 Connected to the Comparator 3 00159 event */ 00160 #define EXTI_Line30 ((uint32_t)0x1E) /*!< Internal interrupt line 30 00161 Connected to the Comparator 4 00162 event */ 00163 #define EXTI_Line31 ((uint32_t)0x1F) /*!< Internal interrupt line 31 00164 Connected to the Comparator 5 00165 event */ 00166 #define EXTI_Line32 ((uint32_t)0x20) /*!< Internal interrupt line 32 00167 Connected to the Comparator 6 00168 event */ 00169 #define EXTI_Line33 ((uint32_t)0x21) /*!< Internal interrupt line 33 00170 Connected to the Comparator 7 00171 event */ 00172 #define EXTI_Line34 ((uint32_t)0x22) /*!< Internal interrupt line 34 00173 Connected to the USART4 wakeup 00174 event */ 00175 #define EXTI_Line35 ((uint32_t)0x23) /*!< Internal interrupt line 35 00176 Connected to the USART5 wakeup 00177 event */ 00178 00179 #define IS_EXTI_LINE_ALL(LINE) ((LINE) <= 0x23) 00180 #define IS_EXTI_LINE_EXT(LINE) (((LINE) <= 0x16) || (((LINE) == EXTI_Line29) || ((LINE) == EXTI_Line30) || \ 00181 ((LINE) == EXTI_Line31) || ((LINE) == EXTI_Line32) || ((LINE) == EXTI_Line33))) 00182 00183 #define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \ 00184 ((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \ 00185 ((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \ 00186 ((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \ 00187 ((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \ 00188 ((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \ 00189 ((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \ 00190 ((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \ 00191 ((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \ 00192 ((LINE) == EXTI_Line18) || ((LINE) == EXTI_Line19) || \ 00193 ((LINE) == EXTI_Line20) || ((LINE) == EXTI_Line21) || \ 00194 ((LINE) == EXTI_Line22) || ((LINE) == EXTI_Line29) || \ 00195 ((LINE) == EXTI_Line30) || ((LINE) == EXTI_Line31) || \ 00196 ((LINE) == EXTI_Line32) || ((LINE) == EXTI_Line33)) 00197 /** 00198 * @} 00199 */ 00200 00201 /** 00202 * @} 00203 */ 00204 00205 /* Exported macro ------------------------------------------------------------*/ 00206 /* Exported functions ------------------------------------------------------- */ 00207 /* Function used to set the EXTI configuration to the default reset state *****/ 00208 void EXTI_DeInit(void); 00209 00210 /* Initialization and Configuration functions *********************************/ 00211 void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct); 00212 void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct); 00213 void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line); 00214 00215 /* Interrupts and flags management functions **********************************/ 00216 FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line); 00217 void EXTI_ClearFlag(uint32_t EXTI_Line); 00218 ITStatus EXTI_GetITStatus(uint32_t EXTI_Line); 00219 void EXTI_ClearITPendingBit(uint32_t EXTI_Line); 00220 00221 #ifdef __cplusplus 00222 } 00223 #endif 00224 00225 #endif /* __STM32F30x_EXTI_H */ 00226 /** 00227 * @} 00228 */ 00229 00230 /** 00231 * @} 00232 */ 00233 00234 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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