tm_stm32f4_button.h

#ifndef TM_BUTTON_H
#define TM_BUTTON_H 100

/* C++ detection */
#ifdef __cplusplus
extern C {
#endif

#include "stm32f4xx.h"
#include "defines.h"
#include "tm_stm32f4_gpio.h"
#include "tm_stm32f4_delay.h"
#include "stdlib.h"

/* Number of maximal supported buttons */
#ifndef BUTTON_MAX_BUTTONS
#define BUTTON_MAX_BUTTONS        10
#endif

/* Number of milliseconds for normal press detection */
#ifndef BUTTON_NORMAL_PRESS_TIME
#define BUTTON_NORMAL_PRESS_TIME  100
#endif

/* Number of milliseconds for long press detection */
#ifndef BUTTON_LONG_PRESS_TIME
#define BUTTON_LONG_PRESS_TIME    1500
#endif

typedef enum {
    TM_BUTTON_PressType_OnPressed = 0x00, 
    TM_BUTTON_PressType_Normal,           
    TM_BUTTON_PressType_Long              
} TM_BUTTON_PressType_t;

typedef struct _TM_BUTTON_t {
    GPIO_TypeDef* GPIOx;                          
    uint16_t GPIO_Pin;                            
    uint8_t GPIO_State;                           
    void (*ButtonHandler)(TM_BUTTON_PressType_t); 
    uint32_t StartTime;                           
    uint8_t LastStatus;                           
    uint8_t State;                                
    uint16_t PressNormalTime;                     
    uint16_t PressLongTime;                       
} TM_BUTTON_t;

TM_BUTTON_t* TM_BUTTON_Init(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, uint8_t ButtonState, void (*ButtonHandler)(TM_BUTTON_PressType_t));

TM_BUTTON_t* TM_BUTTON_SetPressTime(TM_BUTTON_t* ButtonStruct, uint16_t Normal, uint16_t Long);

void TM_BUTTON_Update(void);

/* C++ detection */
#ifdef __cplusplus
}
#endif

#endif