File content as of revision 13:096e5dc3ac23:

#include "mbed.h"
//#include "mbed_rtc_time.h"

//Eigene Header einbinden
#include "realtimer.h"



using namespace std::chrono;

InterruptIn user_button(USER_BUTTON);
DigitalOut  led(LED1);


bool  executeMainTask = false;
Timer user_button_timer, loop_timer;


/* declaration of custom button functions */
void button_fall();
void button_rise();


int main()
{
    set_time(1618332129);  //Zeit setzen
    user_button.fall(&button_fall);
    user_button.rise(&button_rise);
    loop_timer.start();

    while (true) {

        loop_timer.reset();
        
        

 

        if (executeMainTask) {
        
        //Zeitfunktion
        uhrzeit(time(NULL));
        ThisThread::sleep_for(5s); //Wartet 5s.

        led = !led;

        } else {

            
            led = 0;
        }

    
    }
}

void button_fall()
{
    user_button_timer.reset();
    user_button_timer.start();
}

void button_rise()
{
    int t_button_ms = duration_cast<milliseconds>(user_button_timer.elapsed_time()).count();
    user_button_timer.stop();
    if (t_button_ms > 200) {
        executeMainTask = !executeMainTask;
    }
}