ev3_button.h

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#ifdef __cplusplus
extern "C" {
#endif

#ifndef ev3_button_h
#define ev3_button_h

#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <sys/mman.h>
#include <stdbool.h>
#include <limits.h>

#include "ev3_constants.h"

float HardwareVersion();

const char* HardwareVersionString();

#define LED_BLACK        0  
#define LED_GREEN        1  
#define LED_RED          2  
#define LED_ORANGE       3  
#define LED_GREEN_FLASH  4  
#define LED_RED_FLASH    5  
#define LED_ORANGE_FLASH 6  
#define LED_GREEN_PULSE  7  
#define LED_RED_PULSE    8  
#define LED_ORANGE_PULSE 9  
#define NUM_LED_PATTERNS 10 

void SetLedWarning(bool Value);

bool IsLedWarning();

void SetLedPattern(uint8_t Pattern);

uint8_t GetLedPattern();

uint16_t ButtonWaitForAnyEvent(unsigned int timeout);

uint16_t ButtonWaitForAnyPress(unsigned int timeout);

bool ButtonIsUp(uint8_t Button);

bool ButtonIsDown(uint8_t Button);

void ButtonWaitForPress(uint8_t Button);

void ButtonWaitForPressAndRelease(uint8_t Button);

// NXC-style API functions (no support for short press, long press,
// short release, long release, or press counts
bool ButtonPressedEx(uint8_t btn, bool resetCount);

static inline bool ButtonPressed(uint8_t btn) {
    return ButtonPressedEx(btn, false);
}

char ReadButtonEx(uint8_t btn, bool reset, bool* pressed, uint16_t* count);

uint8_t ButtonState(uint8_t btn);

#endif // ev3_button_h

#ifdef __cplusplus
}
#endif