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STM32F4 C++ 封装库 之 EXTI

STM32F4 C++ 封装库 之 EXTI-mbed 框架是为物联网设备开发的,工业控制级别的产品可以考虑用 RTE 框架。RTE 框架目前驱动层程序还不太完善

这几天看了下 mbed 的源码,给上层使用调用的接口封装的仍是不错的。代码质量比较高,注释也很具体,文档和例程比较全。可是驱动层的程序满是 C 言语编写的,代码质量就没有那么高了,注释比较少而且不标准,比较置疑 mbed 的稳定性。mbed 的实时内核是用的 RTX5 ,文件体系用的 FatFs ,还有一些开源的协议栈,整套体系比较冗杂。mbed 结构是为物联网设备开发的,工业操控等级的产品能够考虑用 RTE 结构。RTE 结构现在驱动层程序还不太完善,有很多需求自己去完成,可能在过一段时间会好一些吧。总归物联网产品能够用 mbed ,工业操控产品能够用 RTE 。这几天封装了 EXTI ,间隔整套体系能够发生生产力还有很长的间隔要走,我也不知道整个体系会成什么姿态,我能坚持多久,不管了先做再说。在这里共享我的 STM32F4 C++++ 封装之旅。今日共享《STM32F4 C++ 封装库 之 EXTI》,直接上代码了~

stm32f4xx_xexTI.h 文件

/** 

****************************************************************************** 

* \file    stm32f4xx_xexTI.h 

* \author  XinLi 

* \version v1.0 

* \date    20-March-2018 

* \brief   Header file for external interrupt/event controller module. 

****************************************************************************** 

* \attention 

* Copyright © 2018 XinLi 

* This program is free software: you can redistribute it and/or modify 

* it under the terms of the GNU General Public License as published by 

* the Free Software Foundation, either version 3 of the License, or 

* (at your option) any later version. 

* This program is distributed in the hope that it will be useful, 

* but WITHOUT ANY WARRANTY; without even the implied warranty of 

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 

* GNU General Public License for more details. 

* You should have received a copy of the GNU General Public License 

* along with this program.  If not, see . 

****************************************************************************** 

*/  

#ifndef STM32F4XX_XEXTI_H  

#define STM32F4XX_XEXTI_H  

#include “stm32f4xx_ll_exti.h”  

/*! External interrupt/event controller module. */  

class XExti  

{  

public:  

/*! Enumerate of EXTI lines. */  

enum ExtiLine  

{  

Line0  = LL_EXTI_LINE_0,  /*!< EXTI line 0. */  

Line1  = LL_EXTI_LINE_1,  /*!< EXTI line 1. */  

Line2  = LL_EXTI_LINE_2,  /*!< EXTI line 2. */  

Line3  = LL_EXTI_LINE_3,  /*!< EXTI line 3. */  

Line4  = LL_EXTI_LINE_4,  /*!< EXTI line 4. */  

Line5  = LL_EXTI_LINE_5,  /*!< EXTI line 5. */  

Line6  = LL_EXTI_LINE_6,  /*!< EXTI line 6. */  

Line7  = LL_EXTI_LINE_7,  /*!< EXTI line 7. */  

Line8  = LL_EXTI_LINE_8,  /*!< EXTI line 8. */  

Line9  = LL_EXTI_LINE_9,  /*!< EXTI line 9. */  

Line10 = LL_EXTI_LINE_10, /*!< EXTI line 10. */  

Line11 = LL_EXTI_LINE_11, /*!< EXTI line 11. */  

Line12 = LL_EXTI_LINE_12, /*!< EXTI line 12. */  

Line13 = LL_EXTI_LINE_13, /*!< EXTI line 13. */  

Line14 = LL_EXTI_LINE_14, /*!< EXTI line 14. */  

Line15 = LL_EXTI_LINE_15, /*!< EXTI line 15. */  

#ifdef LL_EXTI_LINE_16  

Line16 = LL_EXTI_LINE_16, /*!< EXTI line 16. */  

#endif  

#ifdef LL_EXTI_LINE_17  

Line17 = LL_EXTI_LINE_17, /*!< EXTI line 17. */  

#endif  

#ifdef LL_EXTI_LINE_18  

Line18 = LL_EXTI_LINE_18, /*!< EXTI line 18. */  

#endif  

#ifdef LL_EXTI_LINE_19  

Line19 = LL_EXTI_LINE_19, /*!< EXTI line 19. */  

#endif  

#ifdef LL_EXTI_LINE_20  

Line20 = LL_EXTI_LINE_20, /*!< EXTI line 20. */  

#endif  

#ifdef LL_EXTI_LINE_21  

Line21 = LL_EXTI_LINE_21, /*!< EXTI line 21. */  

#endif  

#ifdef LL_EXTI_LINE_22  

Line22 = LL_EXTI_LINE_22, /*!< EXTI line 22. */  

#endif  

#ifdef LL_EXTI_LINE_23  

Line23 = LL_EXTI_LINE_23, /*!< EXTI line 23. */  

#endif  

#ifdef LL_EXTI_LINE_24  

Line24 = LL_EXTI_LINE_24, /*!< EXTI line 24. */  

#endif  

#ifdef LL_EXTI_LINE_25  

Line25 = LL_EXTI_LINE_25, /*!< EXTI line 25. */  

#endif  

#ifdef LL_EXTI_LINE_26  

Line26 = LL_EXTI_LINE_26, /*!< EXTI line 26. */  

#endif  

#ifdef LL_EXTI_LINE_27  

Line27 = LL_EXTI_LINE_27, /*!< EXTI line 27. */  

#endif  

#ifdef LL_EXTI_LINE_28  

Line28 = LL_EXTI_LINE_28, /*!< EXTI line 28. */  

#endif  

#ifdef LL_EXTI_LINE_29  

Line29 = LL_EXTI_LINE_29, /*!< EXTI line 29. */  

#endif  

#ifdef LL_EXTI_LINE_30  

Line30 = LL_EXTI_LINE_30, /*!< EXTI line 30. */  

#endif  

#ifdef LL_EXTI_LINE_31  

Line31 = LL_EXTI_LINE_31, /*!< EXTI line 31. */  

#endif  

};  

/*! Enumerate of EXTI modes. */  

enum ExtiMode  

{  

ModeInterrupt      = LL_EXTI_MODE_IT,       /*!< EXTI interrupt mode. */  

ModeEvent          = LL_EXTI_MODE_EVENT,    /*!< EXTI event mode. */  

ModeInterruptEvent = LL_EXTI_MODE_IT_EVENT, /*!< EXTI interrupt and event mode. */  

};  

/*! Enumerate of EXTI triggers. */  

enum ExtiTrigger  

{  

TriggerNone          = LL_EXTI_TRIGGER_NONE,           /*!< EXTI none trigger. */  

TriggerRising        = LL_EXTI_TRIGGER_RISING,         /*!< EXTI rising trigger. */  

TriggerFalling       = LL_EXTI_TRIGGER_FALLING,        /*!< EXTI falling trigger. */  

TriggerRisingFalling = LL_EXTI_TRIGGER_RISING_FALLING, /*!< EXTI rising and falling trigger. */  

};  

XExti(ExtiLine line, ExtiMode mode, ExtiTrigger trigger = TriggerNone);  

virtual ~XExti();  

void setLine(ExtiLine line);  

ExtiLine getLine() const;  

void setMode(ExtiMode mode);  

ExtiMode getMode() const;  

void setTrigger(ExtiTrigger trigger);  

ExtiTrigger getTrigger() const;  

void setFlag();  

void clearFlag();  

bool isFlagSet() const;  

bool open();  

void close();  

bool isOpen() const;  

private:  

ExtiLine    line;  

ExtiMode    mode;  

ExtiTrigger trigger;  

bool        openFlag;  

XExti(const XExti &) = delete;  

XExti & operator = (const XExti &) = delete;  

};  

#endif // STM32F4XX_XEXTI_H 

stm32f4xx_xexti.cpp 文件

/** 

****************************************************************************** 

* \file    stm32f4xx_xexti.cpp 

* \author  XinLi 

* \version v1.0 

* \date    20-March-2018 

* \brief   External interrupt/event controller module driver. 

****************************************************************************** 

* \attention 

* Copyright © 2018 XinLi 

* This program is free software: you can redistribute it and/or modify 

* it under the terms of the GNU General Public License as published by 

* the Free Software Foundation, either version 3 of the License, or 

* (at your option) any later version. 

* This program is distributed in the hope that it will be useful, 

* but WITHOUT ANY WARRANTY; without even the implied warranty of 

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 

* GNU General Public License for more details. 

* You should have received a copy of the GNU General Public License 

* along with this program.  If not, see . 

****************************************************************************** 

*/ 

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