main.cpp

#include <mbed.h>


DigitalOut led1(LED1);
DigitalOut led2(LED2);

//Create an empty thread object ready to attach a function
Thread thread;

//Function to deal with blinking the second LED
void led2_thread() {
	//Loop forever
	while (true) {
		led2 = !led2;
		thread_sleep_for(1000);
	}
}

//Main Program
int main() {
	//Attach the function to the Thread then Start it
	thread.start(led2_thread);
	while (true) {
	led1 = !led1;
	thread_sleep_for(500);
	}
}